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Helix User Manual 87406-11 - National Optronics resources center

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1. Every Every Every Every Every Every Maintenance Item 250 750 5 000 10 000 30 000 60 000 Description cycles cycles cycles cycles cycles cycles Tool Life x Check Tool Life on Maintenance Screen Change and Calibrate as necessary Probe Tip Spacing x Ensure probe tips are touching Adjust or Replace and Calibrate as necessary Vacuum Ba x Empty vacuum bag Vacuum inside of bag chamber as necessary Polish Fluid x Check reservoir fluid level Refill as necessary with proper Tricool mixture Mister Flow x Check for proper air fluid mixture Adjust as necessary Mister Direction x Check for proper direction of mister spray Adjust as necessary Clamp Pad x Check clamp pad for wear and or debris Replace as necessary Lens Clamp x Check for free movement of lens clamp Replace as necessary Turn on internal Vacuum Raise Hood and wipe Clean Interior X interior vvith soft brush Use external vacuum crevice tool to clean top of Clean Accordion Shield X b accordion dust shield Clean Probe Assembly x Use external vacuum crevice tool to clean inside of probe assembly Clean Vacuum Interior x Open vacuum bag chamber and clean with external vacuum crevice tool Clean Vacuum Filter x Remove vacuum filter grid and filters Clean filters and filter chamber Clean Rear Air Filters x Remove two filters and clean in warm soapy water Clean Air Filter x incoming air
2. Mill 7 8 9 Exit 1 4 2 Flute Field WwW 4 5 6 Clear 1 2 3 l Help 0 y Enter v0 00 Press CLEAR to edit material name 0 Figure 2 12 Material Screen 14 Mill Tool 2 Helix 5 Axis Ophthalmic Lens Edger User Manual 35 Part No 87406 11 Rev 1 01 November 5 2010 Name The material name as displayed on the Job Screen Roughing Depth Determines the tool depth for each roughing pass measured in millimeters per lens revolution Feed Rate The speed at vvhich the tool moves through the lens during the roughing eycle measured in meters per minute Motor RPM The speed of the spindle motor during the roughing cycle measured in thousands of revolutions per minute Finishing Feed The speed at which the tool moves into the lens during finishing measured in millimeters per lens revolution Feed Rate The speed at which the tool moves through the lens during the finishing cycle measured in meters per minute Motor RPM The speed of the spindle motor during the finishing cycle measured in thousands of revolutions per minute Shelving Feed The speed at which the tool moves into the lens during the shelving cycle measured in millimeters per lens revolution Feed Rate The speed at which the tool moves through the lens during the shelving cycle measured in meters per minute Motor RPM The speed of the spindle motor during the shelving cycle measured in thousands of
3. An existing feature can be edited by touching the drill feature on the drawing thus highlighting it After highlighting the feature it can be edited by entering new data or removed by pressing Remove Feature Subsequent features can be selected by pressing Next Feature or Prev Feature Bevel Groove A picture of the lens is drawn to illustrate the position of bevel The picture on the left shows the thickness of the lens and position of bevel around the lens The picture on the right shows the cross section of the lens that coincides with the arrow on the left The pictures are based on generator data acquired before the cycle and on probe data acquired during the cycle The bevel position may be altered during the cycle if the Pause button is pressed before probing Bevel 221 1c Pivot Bevel Shelf CCVV cw 90 deg Figure 2 5 Bevel Parameters CCW Rotates arrow counter clockwise CW Rotates arrow clockwise 90 deg Rotates arrow 90 degrees CCW 1 pt F Shifts the bevel at the selected point forward 0 1 mm 1 pt B Shifts the bevel at the selected point back 0 1 mm Full F Shifts the entire bevel forward 0 1 mm Full B Shifts the entire bevel backward 0 1 mm Pivot Allows the bevel to be pivoted about a single anchor point If this is pressed the opposite end of the arrow becomes the anchor point Once both points are positioned according to operator preference the bevel po
4. Default Bevel Probe Type Language 5 Automatic Standard English Launch Remote Access Reset Show Incicam Software Versions V0 00 Ul V1 01 98 Frame Editor V1 00 02 27 Incicam 0 PLC Tf checked edger will automatically switch to left eye after edging right eye Preferences Settings Save Restore Upd SW Jobs or Frames Backup System Save CNC Status View Comm Log Restore System 7 s Exit 4 5 Clear Laz 1 v o Figure 2 7 Setup Screen Eye Toggle If this box is checked then it will automatically toggle to the left eye after the right has been cut Strip Leading Zeros If checked leading zeros will be stripped from entered job numbers Automation If checked then the automation cycle will be initiated when START is pressed Clean Groove If checked the clean groove routine will be used The clean groove cycle may increase the cycle time but may result in improved groove finish Thin Groove Edge Specifies the lens thickness at which a warning is issued when grooving a thin lens Fixed Bevel Dist Specifies the default distance from the bevel apex to the lens front mm Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 27 Bevel Percent Specifies the default percentage from the bevel apex to the lens front Front Base Limit Specifies the minimum distance betw
5. position type style and the detailed dimensional data match exactly the actual tools in the tools store Any change of tools should prompt a rechecking of the entered data plus a calibration of the new or changed tool lt a Calibration tool length and tool size is required whenever a tool is replaced The operation only requires a fevv minutes and is completely automatic Helix 5 Axis Ophthalmic Lens Edger User Manual 32 Part No 87406 11 Rev 1 01 November 5 2010 Material Screen The Helix can machine all resin materials used for ophthalmic lenses Hovvever each combination of tool and material may require different operating parameters for optimum performance The Material Screen permits operating parameters for each combination of tool and material to be entered and edited When you specify the material on the Job Screen the Helix edges according to the speeds and other data listed on the Material Screen These screens consist of the following eight sections or tabs There is a General tab plus a tab for each of the seven tool positions The General tab provides data which is not associated with any specific tool P Material Screen General 11 12 13 Tool4 15 16 Tool7 General Back Front Rough Finish Safety Safety Polish Chuck Chuck Polish Bevel Bevel Method LMATID sup RETO fF Pr or r Me 1 Poly r DryWet 2 Tool Hi
6. Rate Motor RPM Finishing Shelving Feed must match the value sent by the host software if the LMATID is used to communicate material Feed Rate 6 0 20 1 0 2 0 Poly 5 0 20 Tool Hi ldx 5 0 20 5 5 0 20 5 Trivex Material Thk Poly 5 0 3 0 20 20 AR Hi ldx Frame AR Poly Pattern AR CR 39 Maint 75 THHI Cutter 20mm Bevel SB F Name The material name as displayed on the Job Screen Roughing 5 0 5 0 2 0 5 0 20 20 20 20 15 15 2 0 15 15 15 1 5 15 Restore Defaults Exit Clear Figure 2 11 Material Screen 20mm Cutter Tool 1 Feed The speed at which the tool moves into the lens material removal during roughing measured in millimeters per lens revolution Feed Rate The relative speed of the lens edge and the tool at their point of contact during roughing measured in meters per minute Motor RPM The speed of the spindle motor during roughing measured in thousands Helix 5 Axis Ophthalmic Lens Edger User Manual of revolutions per minute Part No 87406 11 Rev 1 01 November 5 2010 34 Finishing Feed The speed at vvhich the tool moves into the lens material removal during finishing measured in millimeters per lens revolution Feed Rate The relative speed of the lens edge and the tool at their point of contact during finishi
7. Rate The speed at which the tool moves through the lens during the dry polishing cycle measured in meters per minute Motor RPM The speed of the spindle motor during the dry polishing cycle measured in thousands of revolutions per minute Wet Polishing Take Off Specifies amount of material to remove during wet polishing measured in millimeters on the diameter Bev Edge Pres The amount of edge pressure applied when polishing a beveled lens wet measured in millimeters Rmis Edge Pres The amount of edge pressure applied when polishing a rimless lens wet measured in millimeters Revs Specifies the number of lens revolutions during the dry polishing process Helix 5 Axis Ophthalmic Lens Edger User Manual 37 Part No 87406 11 Rev 1 01 November 5 2010 Feed Rate The speed at which the tool moves through the lens during the wet polishing eycle measured in meters per minute Motor RPM The speed of the spindle motor during the wet polishing cycle measured in thousands of revolutions per minute Safety Bevel Feed Rate The speed at which the tool moves through the lens during the safety beveling cycle measured in meters per minute Motor RPM The speed of the spindle motor during the safety beveling cycle measured in thousands of revolutions per minute Front Depth Specifies amount of material to remove for front safety bevel measured in millimeters Back Depth Specifies amount of material to remove for back safety be
8. Size Specifies a sizing offset for this eye in mm Frame Specifies the frame type for this job Material Specifies the lens material for this eye Selected from Material Screen Bevel Specifies the bevel placement for this eye Edge Angle Specifies the tool angle relative to lens edge If Fixed then angle is specified in degrees If Dynamic then tool angle depends on lens curve and size Polish If checked then lens will be polished Safety Bevel If checked then F front or B back of lens will be safety beveled Helix 5 Axis Ophthalmic Lens Edger User Manual 23 Part No 87406 11 Rev 1 01 November 5 2010 Roughing Tool Specifies the tool to use for the roughing cycle Finishing Tool Specifies the tool or bevel style for the finishing cycle Shelving Tool Specifies the tool to use for the shelving cycle Load Frame Retrieve a stored frame from the frame database Edit Frame Edit the current frame on the Job Screen Save Frame Save the current frame to the frame database Keypad 0 9 Numeric entry Exit Abort current data entry operation Clear Clear entry of a highlighted field Help Display help for current field Enter Accept current value of field Change sign of current numeric field or toggle value of non numeric fields Field Highlight field above existing field Field v Highlight field below existing field a Increment value of existing field v Decrement value of existing fiel
9. familiar with the machine s operation However a high level of professional knowledge of opticianry is not required Any routine and periodic maintenance should be performed by specialized staff that fully understand the problems of safety highlighted in this manual The staff engaged for extraordinary maintenance e g refurbishment or repair must be highly professional and have sufficient experience regarding the management of machines with significant content of electronics ATTENTION It is recommended that the After Sales Service be contacted before performing extraordinary maintenance in the case of breakdown Manual Hand Wheel Functioning Mode The Helix edger can be controlled manually using the hand wheel decoupling the axes from the embedded processor Some typical operations that can only be performed using this instrument are Tool exchange Opening of the tool store Calibration of the edger Emergency stop Controlling feed rates Helix 5 Axis Ophthalmic Lens Edger User Manual 19 Part No 87406 11 Rev 1 01 November 5 2010 Figure 2 1 belovv describes the functions available on the hand vvheel controller Feedrate Adjustment of Working Speed By rotating in a clockvvise direction it is possible to increase the automatic speed of the axes set via software up to 100 By rotating in a counter clockwise direction it is possible to decrease the machining speed to 0 axes stopped Overrange Adjus
10. filter regulator Flush and clean Replace Probe Tips x Replace Probe Tips Calibrate Probe Replace vacuum filter bag to ensure good dust Replace Vacuum Bag collection and filtration Clean Rear Cabinet x Remove rear covers and clean any debris Clean Chiller Coils Remove Chiller and clean bottom coils Coils are fragile do not damage Chiller Fluids Levels Check Chiller liquid level Top off as necessary Replace Rear Filters x Replace rear filters to ensure good air flow Replace Clamp Pad x Replace lens clamp pad Replace Lens Clamp X Replace lens clamp Replace Vacuum Filters Replace vacuum filters under vacuum grid Replace Chiller Fluids x Bleed and Replace with proper mixture of water and Ethylene Glycol Check Belt Tensions x Check ball screw belt tensions Tighten as necessary Grease ball slide guides x Grease the X Y Z ball slide guides Clean ball screws x Clean using a cloth dampened with solvent Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 52 Appendix A General Specifications Machine Identification Helix Ophthalmic Lens Edger Type 35 20 NOP Name and Address of Manufacturer Cielle SRL via Toniolo 6 31030 Pero di Breda di Piave Treviso ITALY Name and Address of Manufacturer s Representative for Service National Optronics 100 Avon Street Charlottesville VA 22902 USA 434 295 9126 External Connections Electric power supply Pneum
11. lenses to be dynamically beveled or grooved and complex shelf cuts to be made The Helix is contained within a single floor standing cabinet mounted on casters so that it may be easily repositioned for access to all points within the cabinet The top front of the cabinet swings up to open for maintenance access to the machining area A smaller door in the center front of the unit opens closes vertically to allow insertion or retrieval of the lens or access to the tool store The touch screen display is above the door The back of the Helix cabinet has two removable panels and an access door on the lower panel permitting user access to fluid reservoirs filters and other components All doors and access panels must be closed in order for any motion in the machining area to occur Installation Installation of the Helix is normally included in the sales conditions and is therefore performed by personnel authorized by the machine supplier Transport and Handling The machine weighs about 360kg The machine may be moved in the following cases e Loading or unloading from the means of transport e Movement inside a lab or production facility In the loading and unloading operations the machine must be lifted using a fork lift truck The fork must be adjusted in a way to be inserted into the designated lift points The machine is mounted on casters allowing movement on flat smooth surfaces The rear wheels are fixed and the front ones swive
12. maintenance operations must be performed with the machine disconnected from sources of energy GENERAL WARNING The manufacturer and seller disclaim all responsibility for damage caused by tampering with safety interlocks or from maintenance operations performed by unauthorized staff or for malfunctioning due to the use of non original spare parts Maintenance of the Helix is of three categories e Cleaning Can be performed directly by the operator it requires no special expertise beyond familiarity with the machine s operation e Routine maintenance Is scheduled according to a maintenance plan and can be carried out by the end user provided they have been properly trained e Extraordinary maintenance May be scheduled or performed as needed i e in the case of machine failure In either case extraordinary maintenance should only be performed by the manufacturer s technical staff Maintenance Screen Most expendable maintenance items used by the Helix require cleaning or replacement based on the number of edging cycles since the last maintenance This information is visible on the Maintenance Screen P Maintenance Screen Maintenance Cycles Material Position of CR 39 i 1 1 k Total Cycles of Polv 4 4 1 L r 894 of Hi ldx of Trivex of Thk Polv of AR Hi ldx of AR Polv of AR CR 39 of THHI of Pattern of Cvcles Material _ Tool C
13. primarily used by service personnel Show Incicam Displays other screens not normally used by the operator This feature is primarily used by service personnel Helix 5 Axis Ophthalmic Lens Edger User Manual 29 Part No 87406 11 Rev 1 01 November 5 2010 Tool Screen Note The description of the Tool Screen assumes tools are loaded into the tool store in the same order as they are supplied by the factory The position of tools may be changed by the user The Tool Screen is used every time a new or refurbished tool is introduced into the tool store It is essential that the operator specify the features of the new tool such as type dimensions and maximum speed in order to prevent problems in the machining phase P Tool Screen Tool Selection Position 1 3 4 b 6 Type Cutter 20mm Mill Polish 20mm Polish 20mm Groove Drill Mill Finish Mill Style Bevel 114 2 Flute Bevel SB M Bevel SB F 12 6 mm 1 0 mm 2 4mm Details Details Details Details Details Details Details Calibrate Calibrate Calibrate Calibrate Calibrate Calibrate Calibrate Tool Size Tool Size Tool Size Tool Size Tool Size Tool Size Tool Size Calibrate All Calibrate Calibrate Calibrate Calibrate Calibrate Calibrate Calibrate Material Tool Length Tool Length ToolLength ToolLength Tool Length Tool Length Tool Length Tool Length Set Active Set Active Set Active Set Active Set Active Set Active Se
14. revolutions per minute Shelving Mist If this box is checked the water mist will be activated during the shelving cycle Polish 20mm Bevel SB F Polish 20mm Bevel SB M Note The SB F tool polishes with a fine abrasive while the SB M polishes with a medium abrasive Helix 5 Axis Ophthalmic Lens Edger User Manual 36 Part No 87406 11 Rev 1 01 November 5 2010 P Material Screen General Tool 1 12 13 Tool4 Tool5 16 Tool7 Hi ldx pos 10 00 Dry Polishing Wet Polishing Bev Rmis Take Feed Motor Take Edge Edge Feed Motor Off Revs Rate RPM Off Pres Pres Revs Rate RPM 0 02 1002 1002 Maint Polish 20mm Bevel SB M Trivex E 0 02 Material Thk Poly 0 02 Frame AR Hi ldx 1 08 10 00 AR Poly 002 0 02 AR CR 39 THHI 1 08 1003 Pattern Safety Bevel Feed Rate Restore Defaults Motor RPM Front Depth Back Depth Press CLEAR to edit material name Figure 2 13 Material Screen Polish 20mm Bevel SB F and Polish 20mm Bevel SB M Tools 3 and 4 Name The material name as displayed on the Job Screen Use If this box is checked this tool will be used for specified material Dry Polishing Take Off Specifies amount of material to remove during dry polishing measured in millimeters on the diameter Revs Specifies the number of lens revolutions during the dry polishing process Feed
15. tapping the Calibrate Tool Size button For cutters mills and polishing tools this calibration affects the diameter of the edged lens The following screen instructions appear P Calibrate Tool Size Load 6 base 3mm Polycarbonate Lens Enter box size and press START to begin cycle When cycle is complete enter the measured lens size Box Size 58 00 Measured Size i The Tool Size Offset value is automatically calculated AOA a 5 6 Clear Field ake 3 Hew vf ol Al ene Figure 3 2 Instructions for Tool Size Calibration Lens Diameter For grooving tools the calibration affects the groove depth and for drill tools the calibration affects the drilled hole diameter The following screen instructions appear P Calibrate Tool Size Load 6 base 3mm Polycarbonate Lens Enter box size and press START to begin cycle When cycle is complete enter the measured lens size Calibrate Groove Depth Box Size 58 00 Groove Depth The Tool Size Offset value is automatically calculated 6 Clear Enter Figure 3 3 Instructions for Tool Size Calibration Groove Depth left and Hole Size right P Calibrate Tool Size Load 6 base 3mm Polycarbonate Lens Enter hole size and press START to begin cycle When cycle is complete enter the measured hole size Calibrate iasa Hole Size 1 40 om Measured Size i The Tool Size Offset value is automatically calcul
16. the machining area for cleaning 1 Turn on the vacuum system from the Maintenance Screen 2 With the access door to the machining compartment raised grasp the upper front cover on each side of the door opening Lift the cover which should swing upwards 3 Using a soft brush such as provided in the accessory kit sweep chips from edges and surfaces of the machining compartment to the collection basin To access and clean the built in vacuum system 1 Grasp the recess on the right side of the lower panel and pull to swing open 2 Unlatch the tvvo clasps on top of the vacuum unit to access the vacuum chamber Detach the cloth bag from the throat of the tube at the top of the vacuum chamber and dispose of chips and debris in the bag 3 Use an industrial vacuum cleaner to remove chips and debris in the vacuum chamber 4 Re attach the cloth bag to the tube Latch the vacuum chamber shut Close the panel Compressed air must not be used for cleaning as there is the risk of distributing the debris o instead of removing it Use cloths soaked in a mild detergent to remove stubborn dirt Use protective gloves Helix 5 Axis Ophthalmic Lens Edger User Manual 50 Part No 87406 11 Rev 1 01 November 5 2010 Routine Maintenance Routine maintenance comprises periodic operations that can be performed by the operator or by a specialized technician of the user s company For routine maintenance observe the followi
17. the right of the lens chuck 4 Set the pitch to fine and select the Z axis 5 Using the Hand Wheel slowly lower the tool until its tip makes contact with the probe pad There should be a slight resistance when trying to turn the tool manually 6 As noted in the on screen instructions press OK to complete the calibration MS Calibrate Radius 1 Load a pattern blank as instructed by the on screen instruction and press OK The top edge of the pattern will be milled so as to include a flat segment with a rectangular depression in the center 2 Carefully measure the depth of this depression 3 Enter the measured value where indicated 4 Press OK to complete the calibration Calibrate Tilt Note The value displayed in the tilt origin field following calibration should be zero f it is not correction must be performed by factory service personnel 1 Clean the probe pad as instructed and press OK 2 The probe will be caused to traverse the pad registering any tilt angle It should be 0 00 3 Press OK to complete the calibration Calibrate Axis Note This calibration requires the Weco Vario Axis Gauge shown below on the right Note This calibration requires that the user estimate an angle thus it may need to be performed several times to zero in on the correct angle Helix 5 Axis Ophthalmic Lens Edger User Manual 46 Part No 87406 11 Rev 1 01 November 5 2010 1 Block a pattern into the lens chuck and pres
18. the safety devices Assure safety devices are working correctly before starting work Electrical shock warning V4 Dangerous or prohibited area Hand crush hazard Maintenance alert or instruction Helix 5 Axis Ophthalmic Lens Edger User Manual 5 Part No 87406 11 Rev 1 01 November 5 2010 This document is based on information available at the time of its publication While efforts have been made to be accurate the information contained herein does not purport to cover all details or variations in hardware or software nor to provide for every possible contingency in connection with installation operation or maintenance The manufacturer assumes no obligation of notice to holders of this document with respect to changes subsequently made Safety First Observe the following precautions to minimize the risk of accidents or injury Other important safety information appears elsewhere in this manual Item 1 below is important 1 Read and understand this manual before operating the equipment If you do not understand the instructions consult your supervisor or a service representative 2 Assure that the installation instructions have been followed and that the electrical and pneumatic connections have been made as required 3 Before turning on the equipment visually verify that there are no foreign objects in the cutting area that may impede the machine motion 4 Assure that all coolant and lubricati
19. this frame type by default Helix 5 Axis Ophthalmic Lens Edger User Manual 41 Part No 87406 11 Rev 1 01 November 5 2010 This page intentionally left blank for duplexing purposes Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 42 Chapter 3 Calibration Overview The Helix edger and its tools are manufactured to strict tolerances however there are minute dimension variations among machines and over time The process of calibration measures these variations so that the software can compensate for them resulting in accurate size of the edged lens In general the calibration process is to edge a lens measure the edged lens compare the measured value to the desired value and use the difference to compute a calibration offset The Helix performs all required computations In some calibrations the tool tip is brought into contact with a fixed location within the machining area This allows the tool length to be automatically computed Calibrating safety bevels does not involve computation rather the user inspects a safety beveled lens and adjusts the depth of the bevel as required Calibrations which require that a lens be edged use internal Job Number 002 This is a58 mm diameter circle Use a caliper to measure the diameter of the edged lens Tool Calibration Two aspects of the tool are calibrated Tool Size Affects diameter of the edged lens groove depth and the diamet
20. Helix 5 Axis Ophthalmic Lens Edger User Manual November 5 2010 Part No 87406 11 Rev 1 01 Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 Table of Contents Page No Preface Chapter 1 The Edger 9 Chapter 2 Operation 19 Chapter 3 Calibration 43 Chapter 4 Maintenance 49 Appendix A General Specifications 33 Appendix B Certification amp Standards 55 Appendix C Electrical Diagram 59 Appendix D Certificate of Compliance l Helix 5 Axis Ophthalmic Lens Edger User Manual 3 Part No 87406 11 Rev 1 01 November 5 2010 Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 Preface Cautionary Warning Symbols Instructions and Messages The following graphic symbols are used in this manual to alert users to situations that may impair optimum operation of the machine damage the machine or workpiece or cause injury to the operator Many of the symbols shown are also affixed to the edger itself Important safety related information or instructions related to optimum machine operation o Wear protective gloves Wear protective goggles S Indicated operation is prohibited Mechanical hazard or advisory See examples below x 59 KY s 4 4 x X 5 eS ee RSS SQ It is prohibited to remove or alter
21. affect the angle at which the tool engages the work piece Motion Control This subsystem consists of the stepper motors that activate each of the axes via toothed belts position detectors and electronic elements which allow the position velocity and acceleration of each axis to be precisely controlled The motion control system is largely inside the cabinet and not generally accessed directly by the user Programmable Logic Control PLC A specialized processor called the PLC sequences the various steps in the edging process Like motion control it is not generally accessed directly by the user Computer and Graphic User Interface GUD The computer subsystem provides communication with an external host computer to download job information and computes all of the parameters of the edging cycle axis positions speeds feed rates It directs the other subsystems accordingly to assure that the desired edging cycle is achieved It interfaces with a touch screen display to provide a graphics user interface GUI with the user This may be used to enter job data and cycle parameters to report and display cycle status and to perform maintenance and diagnostics The computer has access to a large fixed disk storage device as well as to a USB key which may be used to update the Helix software Miscellaneous Included within this category are the safety devices status sensors pneumatics filters lubricant reservoirs and the like Many of the
22. alibrated Note Z axis calibration utilizes the hand wheel control to affect axis movement Calibration of the Z vertical axis affects bevel and groove placement safety bevel placement and drilled hole depth This calibration uses the hand wheel controller The controller elements used are Pitch Selection Axis Selection and Positioner as shown in the following figure Helix 5 Axis Ophthalmic Lens Edger User Manual 45 Part No 87406 11 Rev 1 01 November 5 2010 Pitch Selection By acting on these buttons it is possible to select the pitch which can be small medium or large Axis Selection These buttons allovv one to choose the axis on vvhich to act manually using the hand wheel Hand VVheel Positioner By rotating in a clockvvise direction vve obtain the movement of the selected axis tovvards the positive direction By rotating in a counter clockvvise direction vve obtain the movement tovvards the negative direction The disc rotates with small jerks The amount of movement at every jerk is determined by the selection of the small medium or large pitch Figure 3 5 Hand Wheel Controller Elements Used in Z Axis Calibration Upon tapping the Calibrate Z button the 20 mm cutter is automatically mounted in the spindle Set the Pitch to medium or coarse 3 Using the Axis Selection keys and the Hand Wheel move the tool so that its longest point is directly over the probe pad immediately to
23. ated a uf 8 9 Exit kn 4 5 e clear s st yx Enter Tool Length Calibrating tool length requires only tapping the Calibrate Tool Length button The tool is fetched from the tool store and brought into contact with a precisely located stage at the far right of the tool store which senses contact with the tool tip To calibrate the length of all tools tap the Calibrate All Tool Length button Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 44 Motion Axis Calibration Calibration of the Helix axes of motion is initiated by buttons in the lower portion of the Tool Screen shown below Origins Tab 2 Probe Speed 55 0 jus 41 ae a 7 8 9 Exit Field R 4 5 6 Clear add Calibrate Calibrate Calibrate Calibrate 2 Radius Probe 1 2 3 m Help waooo vl ol al erer Select the type of tool installed in this position 0 Offsets Tab Probe Speed Size 0 00 3 0 p a 2 Bevel 0 20 A 8 9 Exit seki m is l 2 Axs 2z0 S 6s ere a4 zi ield Calibrate Calibrate Axis Probe 1 2 3 l Help 1 1 v 0 M Enter Select the type of tool installed in this position 0 Figure 3 4 Tool Screen Lower Portion for Calibration Motion Axes Calibrate Z Note Z axis calibration requires that the tool length of the 20 mm cutter has been c
24. atic air supply USB data connectors 2 Hand Wheel controller connector 9 pin subminiature D connector DCS serial communications 15 pin subminiature D connector Automation barcode reader RJ 45 Ethernet connector DCS Ethernet communications Manufacturer s Serial Number Plate Information Note Some of the following information will vary depending on the serial number and year of manufacture Type 35 20 NOP Year 09 S N 12 09 Wt 369 kg Volts 230 Power 2000 W Helix 5 Axis Ophthalmic Lens Edger User Manual 53 Part No 87406 11 Rev 1 01 November 5 2010 General Specifications Note In the following table if no value is shown for an item in the Automatic column the item assumes the same value as in the Manual case GENERAL DATA Manual Automatic Clearance dimensions X Y Z 710 1150 1780 mm 28 46 70 inches 1250 1420 1780 mm 49 56 70 inches Ek 2290 mm Minimum ceiling height 91 in 360 kg 400 kg devel 760 Ibs 880 Ibs Control unit power supply voltage 230 V T Electric connection 2P T cable Maximum diameter of the piece being machined 100 mm T D Smooth edge 18 mm Minimum diameter of the finished piece Mitered 20mm Airborne noise emissions Section 1 Movements Lateral run X axis 350 mm Longitudinal run Y axis 200 mm Vertical run Z axis 100 mm x n 90 anti clockwise Os
25. atic motions rely on a compact control unit positioned inside the same compartment that contains the tool cooling liquid tank Helix 5 Axis Ophthalmic Lens Edger User Manual 13 Part No 87406 11 Rev 1 01 November 5 2010 Programming Unit The Helix is supplied vvith an integrated industrial PC located in the upper back of the machine in a position protected by fixed shields Tvvo external USB ports are made available for exchange of data or attachment of a barcode unit Identification of Components and Subsystems The following figures show the key Helix components and subsystems for ease of identification by the user 1 Touch screen 2 Machining chamber access door 3 Emergency stop E stop button 4 Vacuum access door 5 Insertion lift points for transport 6 Fixed guards protective panels Figure 1 1 Front view of Helix Helix 5 Axis Ophthalmic Lens Edger User Manual 14 Part No 87406 11 Rev 1 01 November 5 2010 Tool store door swung to the down open position 2 Tool store cone support holds tools Figure 1 2 Tool Store X axis Y axis Z axis A axis inclination C axis rotation Electro spindle Lens probe Block chuck O CO NID MN BR ol Clamp arm Tool store Figure 1 3 Layout of machining elements Helix 5 Axis Ophthalmic Lens Edger User Manual Pa
26. caused by a lack of maintenance or disabling removal of the protective interlocks D is ee AZ Optimum operation of the Helix requires that fluid reservoirs be maintained at appropriate levels and filters be cleaned periodically Emergency stop buttons should be released prior to startup Requirements for fluid levels and filters are discussed in detail in the chapter on maintenance but summarized here Helix 5 Axis Ophthalmic Lens Edger User Manual 21 Part No 87406 11 Rev 1 01 November 5 2010 Spindle Cooling System As the spindle operates at high speed it must be cooled The cooling system consists of a tank containing water with the addition of Ethylene Glycol A pump guarantees the continuous flow of the coolant Before startup check that the level of cooling liquid is within the established limits As the system is closed circuit the level should not change appreciably A continuing decrease in fluid level indicates there is a leak in the circuit Call maintenance staff in order to block the leak Before restarting the machine top off the coolant until it reaches the desired level The coolant must also be changed periodically Premixed coolant is available from the supplier of the machine Cooling System for the Tool and Lens Being Machined A reduction of the level of tool cooling liquid prevents the processing of some jobs The tool lens cooling liquid is not re
27. check the cutting chamber to be sure that there are no obstructions to machine movement The blocked lens is placed block down on the chuck and the clamp is engaged to secure the lens with pressure from above Some Helix edgers are equipped with robotic automated lens mounting The operation of the automated subsystem is described elsewhere Edge The access door closes the required tool is fetched from the tool store and the machining begins The actual edging process may occur in multiple phases depending on the specific job Rough cutting beveling safety beveling drilling shelving polishing etc The Helix selects the appropriate tool s for each phase tools are automatically fetched and mounted as required The display provides an indication of progress through the cycle Remove workpiece When the edging cycle is complete the door opens and the workpiece may be removed A recut cycle is available which allows small changes to be made to the shape to improve sizing finish or fit If the removed lens is the first of two for a job the data for the second eye may be accessed System Startup Checks 5 A K x R KAZ X 22 The Helix can only function vvith the cabinet closed t is essential that the door and cabinet interlocks be checked periodically as described in the chapter on maintenance The manufacturer disclaims any responsibility for any injury to persons
28. cillation tilting A axis 50 clockwise Rotation C axis 360 Section 2 Spindle Spindle power 460 W Spindle speed 0 30 000 RPM Type of tool holder taper ISO 10 Tool Store Tool storage capacity 7 Presetting Number of presetting positions 1 Maximum Speeds X axis 12 m min Y axis 12 m min Z axis 12 m min A axis 30 s C axis 100 s Pneumatic Povver Supply Machining unit pneumatic circuit pressure and capacity Pneumatic supply fitting Air consumption 80 PSI 11 CFM 6 BAR 300 Itr min QUICK FIT 10 8 100 litres min Central Vacuum System if applicable 80 PSI 14 CFM 6 BAR 400 Itr min Air flow 100 CFM 2800 l min Lift 80 inches vvater 200 cm vvater PC Connection Type of connection vvith remote PC File transfer USB 1 0 2 0 DCS communications Ethernet DCS communications RS 232 Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 54 Appendix B Certifications amp Standards Laws and Directives The Helix edger has been designed and built in compliance with the provisions of Presidential Decree D P R 459 96 Regulation of Implementation of the Directive 89 392 CE successively integrated by the Directive 98 37 CE then replaced by Directive 06 42 CE on May 17 2006 As it is a machine whose control and command components assume relevant importance regarding quality and precision of the machining and also
29. cycled thus its level should be checked and topped off before each startup or shift Vacuum Cleanliness of the operational area is provided by a vacuum located under the operational area Filters in the vacuum must be checked and changed periodically for optimum cleaning action Compressed Air Supply The compressed air filter can clog due to the accumulation of dirt in the operating environment Before startup always check and flush the compressed air filter The filter must be replaced periodically depending on the operating environment Graphic User Interface GUI This section describes the screens used to configure and operate the Helix edger Each screen is shown in a figure and the use and significance of fields on the screen are described thereafter Many screens include a keypad that is used to enter commands and numeric values Tap the keys lightly with the fingertip or a stylus designed for touch screen use Do not use sharp objects such as pencil pen points paper clips etc on the touch screen To enter a number first tap the field that is to receive the input value it will be shown in yellow Press the CLEAR control to erase any existing entry A newly entered value may made effective by tapping ENTER or by selecting a different field or by tapping START Some screen controls act as toggles repeatedly tapping a toggle control causes it to cycle through its allowed values Tapping a check box enables or disables the associa
30. d Pause If pressed after Start cycle will pause after probing to allow operator to adjust bevel see the following bevel section Start This will start cycle Once cycle has started this button will turn red and become a stop button NOTE In the lower left of the Job Screen are four navigation buttons Drill Bevel Shelf and Gen Tapping any of these will change the lower half of the Job Screen to allow parameters for the selected machining to be entered as described below Generator These are standard lens parameters that describe the lens blank to be edged Knowing the Front Curve before edging will allow pre probing of the lens to be skipped thus shortening the cycle Generator Base Curve Layout Axis Cross Curve Prism Center Thickess Prism Axis Diameter 0 Front Curve Figure 2 3 Lens Blank Specification Parameters Helix 5 Axis Ophthalmic Lens Edger User Manual 24 Part No 87406 11 Rev 1 01 November 5 2010 Drill These are standard DCS parameters that describe drill features If Lateral Angle is a then drill angle will follow the front curvature of the lens Drill Click on a feature on the screen to edit drill data Type Depth Start X Lateral Angle Start Y Both Eyes Diameter Next End X rs Feature Add Remove End Y Prev Feature Feature Reatune Figure 2 4 Drill Specification Parameters Drill features can be created manually by entering the parameters and then pressing Add Feature
31. ectric parts First remove the general electric power supply Residual Risks The Helix edger has been designed and constructed to provide safe and dependable service thanks to the constant study and application of the applicable standards However some residual risks must be highlighted that depend upon the installation environment training of the staff in charge and the materials to be machined Use of the machine will produce dust and residue The user must keep the machine suitably clean in order to prevent the accumulation of chips and debris causing for example a greater effort in machining or difficult mechanical movement Excessive effort of the tool due to the particular hardness of the material or incorrect programming of the work parameters axes speed rotation speed of the milling cutter etc can cause the tool to break possibly causing fragments of the tool or work piece to be ejected at high speed The case surrounding the machining area is designed to resist the projection of chips Any fluid spills or leaks should be cleaned promptly to prevent slippery conditions around the machine The machine has been designed to work resin materials only Other material could cause excessive effort quick wear of the tool or tool breakage with expulsion of tool and work piece fragments Do not remove protections It is prohibited to test tools with the cabinet open For any other tests that can be performed with the gua
32. ed through a small ejector nozzle The software selects the cooling mode necessary in each individual phase of machining Cooling of the tool when necessary uses air or an aerosol with a coolant mixture made up from water and lubricant oil which is loaded into the relevant tray The coolant tank has a volume of 2 2 liters and has an alarm and level interlock to prevent the tool from rotating without suitable cooling The consumption of liquid lubricant is estimated at about one liter every 200 pieces Significantly higher consumption requires adjustment of the machine by authorized service personnel Vacuum The Helix has an integrated vacuum system mounted in the lower front part of the machine It can be easily accessed by opening the door under the machining area The vacuum is controlled directly by software and failure causes the machine to stop The vacuum requires periodic maintenance in order to free filters which through time tend to become blocked Electric Control Board The electric control board is integrated with the machine It is been housed in a removable module and is completely isolated from dirt dust and moving parts To work on the electric control board disconnect all electric power and remove the dowel pins using an Allen key Maintenance of the electric control board is generally performed by trained service personnel Pneumatic System The air intake includes a pressure adjuster air filter and oil filter Pneum
33. een the apex of the bevel and the front of the lens when bevel placement is set to base curve Back Base Limit Specifies the minimum distance between the apex of the bevel and the back of the lens when bevel placement is set to base curve Right Recut Cursor Specifies the field to which the cursor goes when doing recuts on the right eye lens Value toggles between job and size Left Recut Cursor Specifies the field to which the cursor goes when doing recuts on the left eye lens Value toggles between job and size Default Edge Angle Specifies whether the edge angle will be fixed or dynamic if this property is not included in data downloaded from the host If Fixed is selected the value of the angle in degrees may be specified in the adjacent field Thick Poly Enter the maximum lens thickness at which thick poly is activated When a poly lens with generator information is edged that has a maximum lens thickness greater than the values specified here the Thick Poly settings will be used instead This feature can be disabled by entering 0 0 Size Dimension Specifies whether size adjustment on the Job Screen will be applied to box size or circumference size Value toggles between box and circumference Trace Size Adj Amount by which the box size of downloaded shapes should be adjusted mm Adjust this parameter for frame fit after size verification of the internal 58mm circle Job No 002 If the lens for frame fits large decrease this n
34. er of drilled holes Tool Length Affects depth of drilled holes and bevel placement The tool size and length calibrations are initiated from the Tool Screen the upper half of which is shown in the following figure F Tool Screen Tool Selection Position 1 2 3 4 5 6 Type Cutter 20mm Mill Polish 20mm Polish 20mm Groove Drill Mill Finish Mill Style Bevel 1 4 2 Flute Bevel SB M Bevel SB F 12 6 mm 1 0 mm 2 4mm Details Details Details Details Details Details Details Calibrate Calibrate Calibrate Calibrate Calibrate Calibrate Calibrate Tool Size Tool Size Tool Size Tool Size Tool Size Tool Size Tool Size Calibrate All Calibrate Calibrate Calibrate Calibrate Calibrate Calibrate Calibrate Material Tool Length Tool Length Tool Length Tool Length Tool Length Tool Length Tool Length Tool Length Set Active Set Active Set Active Set Active Set Active Set Active Set Active Open i Tool 1 Store Open Spindle Chuck Probe Speed Size 3 0 a Bevel Field Axis b 4 Field Calibrate Calibrate Axis Probe 1 E Help Enter Origins Offsets Current Tool 1 v0 00 Select the type of tool installed in this position Figure 3 1 Tool Screen Helix 5 Axis Ophthalmic Lens Edger User Manual 43 Part No 87406 11 Rev 1 01 November 5 2010 Tool Size The tool size for each tool is calibrated by
35. essed the following is displayed P Select Frame Adidas MARC Native Nike Oakley a Flak Jacket 56 Eye 60 Eye Gascan Half jacket Nanowire Delete Cancel Keep Existing Job Data Helix 5 Axis Ophthalmic Lens Edger User Manual 26 Part No 87406 11 Rev 1 01 November 5 2010 The Select Frame dialog vvill allovv a frame to be selected from the internal database Once a frame is selected press OK to use that frame as the current job If a frame contains more than one eyesize select the desired eyesize for the job Press delete to remove the frame from the database A checkbox is used to override other job data Setup Screen The Setup Screen is accessed from the Job Screen Setup allows the operator to modify preferences and the cycle parameters depending on the lens to be machined Properties of tools and materials may be entered or edited The Setup Screen is often the starting point to perform calibrations change default material or frame settings or clean the machine Setup Screen Preferences Settings Comm Password Job Eye Toggle F Strip Leading Zeros VV Setup Automation Clean Groove V Material Thin Groove Edge Fixed Bevel Dist Bevel Percent Front Base Limit Back Base Limit Right Recut Cursor Left Recut Cursor Default Edge Angle Thick Poly Size Dimension Trace Size Adj Tilt Reduction Max Tilt Bevel Max Tilt Rimless Min Feed Rate Max Feed Rate Initial Chuck
36. fies the highest trace format requested by the Helix A value of 1 is used to represent an ASCII packet Values of 2 through 4 are used for increasingly compact binary encodings with a value of 4 being the most efficient packed binary Init Level Set this value to AUTO to automatically initialize with the host computer Set to NONE to suppress initialization Helix 5 Axis Ophthalmic Lens Edger User Manual 28 Part No 87406 11 Rev 1 01 November 5 2010 Password If checked the selected screen will require password entry to modify Follow on screen instructions to create a custom password Save Restore Upd S W Jobs or Frames Update Helix operational software and internally stored frames data by placing appropriate USB key in USB port Backup System Back up your system by placing blank USB key in USB port The system is backed up to both the USB key and to the Helix s internal hard disk drive Save CNC Status Hardware configurant backup used for diagnostic purposes View Comm Log View the previous communication session with the host computer Restore System Restore software and setup values from the Helix s hard disk drive Software Versions These items are for display only Launch Remote Access Causes a program to execute which allows the Helix to communicate with a remote computer over the internet This feature is primarily used by service personnel Reset This causes a hardware reset of the machine This feature is
37. ine Control Activates and deactivates the manual mode LED On Automatic mode LED Off Manual mode Figure 2 1 Hand Wheel Helix 5 Axis Ophthalmic Lens Edger User Manual 20 Part No 87406 11 Rev 1 01 November 5 2010 Edging Scenario The term edging is used in a general sense to refer to any or all of the machining operations provided by the Helix except in cases where a specific operation needs to be identified i e drilling shelving etc The edging process may consist of the following steps Specific actions mentioned here are described in detail later in this chapter Enter job information Job data includes for example data describing the shape of the edged lens the specific operations to be performed properties of the lens blank shape and location of special features holes slots shelves etc and machining parameters tools feeds and speeds In most laboratories this data is downloaded electronically from a lab host computer The user should check the data to assure that all needed data is present and accurate Manual data entry is available to supply missing values or to override downloaded values Downloading requires only that the user enter a job or tray number the job data and a drawing of the edged lens appear on the display Alternatively the Helix allows frequently run jobs to be stored internally and retrieved from memory when desired Mount workpiece When the access door opens
38. items discussed above as well as other items of interest are illustrated in the figures found at the end of this chapter Axes of Motion The Helix edger implements five axes of motion as follows X axis Transverse motion left right of the cutting tool Y axis Orthogonal motion front back of the cutting tool Z axis Vertical motion up down of the cutting tool C axis Work piece rotation A axis Inclination tilt of the C axis up to 90 degrees from vertical Helix 5 Axis Ophthalmic Lens Edger User Manual 11 Part No 87406 11 Rev 1 01 November 5 2010 Electro Spindle The electro spindle provides high speed tool rotation The speed of the electro spindle is selected by the operator via the user interface This can be adjusted electronically up to a maximum of 30 000 RPM however larger diameter tools should not be operated at more than 20 000 RPM Optimum speed depends on many factors Target cycle time desired finish type of tool etc The electro spindle incorporates pneumatic cleaning systems for improved operation A constant flow of air at 1 1 5 bar prevents dust and shavings from entering the spindle and contaminating the high speed bearings The spindle is constantly cooled by circulating a solution of 85 water and 15 Ethylene Glycol The fluid air heat exchanger is found on the back of the machine and can be inspected by opening a rear hatch on which indicators are found that warn of any malfunctioning Cooling
39. l and can be blocked The manufacturer is not responsible for any damage due to incorrect handling Helix 5 Axis Ophthalmic Lens Edger User Manual 9 Part No 87406 11 Rev 1 01 November 5 2010 Positioning The Helix must be installed so that a space is left behind the cabinet to allovv the inspection of the parts located in the rear of the machine These require periodic maintenance to guarantee optimal operation of the machine over time Unpacking The machine should be unpacked as close as possible to its final operating location This reduces the likelihood of damage caused by vibration and jarring while moving the machine Do not use sharp tools to remove packaging materials to avoid marring or damaging the machine Connections to Sources of Energy Do not connect the Helix to external energy sources until it has been correctly positioned The following connections are necessary Electricity e Compressed Air Electrical Connections ATTENTION 1 The customer s source of electric power must have the protections specified by the standards in force in the country of use Moreover the power source must be able to continuously supply the maximum power that the machine may draw The machine is supplied with a power supply cable with two poles and ground The user must connect this cable to the power source and supply it with a plug that is in compliance to those in use in that particular country The connection t
40. ldx m r Wet Trivex Material Thk Poly AR Hi ldx Frame ARPoly Poly AR CR 39 Maint TH Restore Defaults e o 5 6 Clear Fal 2 s te 0 a Enter Press CLEAR to edit material name 096 Figure 2 10 Material Screen General Tab Note Each of the screens described in this section includes a Restore Defaults button which will undo any user changes and reset values for all materials and all tools to their factory defaults General Tab Sections Name The material name as displayed on the Job Screen General Rough Chuck The lens clamp pressure during the roughing portion of the cycle Finish Chuck The lens clamp pressure during the finishing portion of the cycle Helix 5 Axis Ophthalmic Lens Edger User Manual 33 Part No 87406 11 Rev 1 01 November 5 2010 Polish If this box is checked polishing checkbox on the Job Screen will be checked by Back Safety Bevel If this box is checked the back safety bevel check box on the Job Screen will be checked by default Front Safety Bevel If this box is checked the front safety bevel check box on the Job Screen will be checked by default Polish Method This value toggles between Wet Dry or Dry Wet LMATID Enter the desired LMATID value for this material The value in this field 20mm Cutter P Material Screen General Tool 1 Tool2 13 Tool4 15 16 Tool7 Job Name i Setup eR Feed
41. ll load the current physical position of the selected axis into the highlighted field Probe Speed Specifies the speed of lens rotation in meters per minute during probing Calibrate Probe Initiates auto calibration routine to calibrate the probe Follow on screen instructions For standard calibration of Helix follow this order Tool Length Probe Tool Size Axis For full calibration of Helix follow this order Tilt Probe Tool Length all Z depth Tool 2 Size Radius Open Tool Store Open the tool store to allow manual access to the tools When the hatch to the store is open the caption on the button changes to Close Tool Store Open Spindle Chuck Open the spindle to insert tools manually When the spindle chuck is open the caption on the button changes to Close Spindle Chuck Afterwards set tool as active Helix 5 Axis Ophthalmic Lens Edger User Manual 31 Part No 87406 11 Rev 1 01 November 5 2010 The follovving figure is an example of a dialog box used to enter tool data Tap a field vvhose value is to be entered or changed and use the numeric keypad to enter the nevv value VVhen done press ENTER or change to a nevv field Dimensions shovvn are for illustration only Tool Detail Screen Cutter 20mm Bevel 22 a els s Feel Zi af ef 3 oe vw A ee Figure 2 9 Dialog Box for Entering Tool Data It is essential that the tool information entered into the Tool Screen
42. ng measured in meters per minute Motor RPM The speed of the spindle motor during finishing measured in thousands of revolutions per minute Shelving Feed The speed at which the tool moves into the lens material removal during shelving measured in millimeters per lens revolution Feed Rate The relative speed of the lens edge and the tool at their point of contact during a shelving cycle measured in meters per minute Motor RPM The speed of the spindle motor during the shelving cycle measured in thousands of revolutions per minute Mist If this box is checked the water mist will be on during shelving Mill Material Screen 1 General 11 Tool2 13 14 15 16 Tool7 Job Name Roughing Finishing Shelving Feed Motor Feed Motor Feed Motor Depth Rate RPM Feed Rate RPM Feed Rate RPM Mist Setup ER39 2 0 25 2 0 2 0 20 1 0 15 20 Poly 2 0 15 25 1 0 2 0 20 10 15 20 2 Tool 5 0 1 5 25 2 0 2 0 20 1 0 1 5 20 s Trivex 2 0 1 5 25 2 0 2 0 20 1 0 1 5 20 Material Thk Poly 2 0 15 25 20 20 20 10 15 20 AR Hi ldx Bo fs 25 2 0 2 0 20 1 0 15 20 Frame AR Poly 2 0 15 25 2 0 2 0 20 1 0 15 20 AR CR 39 5 0 15 25 2 0 2 0 20 1 0 15 20 Maint THHI 2 0 1 5 25 2 0 2 0 20 10 15 20 Pattern 1 5 25 2 0 2 0 20 1 0 15 20 Restore Defaults
43. ng safety precautions Turn the machine off master switch OFF and power supply unplugged e Disconnect external compressed air and assure the pneumatic system is depressurized pneumatic power disconnected e Disconnect any other power supplies connected with auxiliary equipment Probe Tip Adjustment or Replacement The upper and lower probe tips should touch without any gap between them Each tip is secured by a screw inserted from above the probe arm for the upper tip and from below the arms for the lower tip Loosening these screws allows the tips to be moved vertically Once adjusted they are secured via upper and lower set screws in the probe arms To adjust the probe tips first loosen the set screw to allow the screw holding the tip to turn When the tips touch re tighten the set screw Extraordinary Maintenance Extraordinary maintenance refers to those cases in which parts must be replaced due to breakage or wear or the electronic computer subsystems are not working properly Such maintenance requires specialized training not normally available at the end user s site Consult the factory when extraordinary maintenance appears to be required Helix 5 Axis Ophthalmic Lens Edger User Manual 51 Part No 87406 11 Rev 1 01 November 5 2010 Maintenance Frequency Routine maintenance operations and suggested frequencies are stated in the following table Helix Maintenance Schedule
44. o electricity or connection of the plug must be performed by specialized staff Pneumatic Connection The socket is found in the rear of the machining unit and includes a FR unit for filtering and pressure adjustment preset in the factory Insertion of the connection pipe Type 10 8 in polyurethane or Rilsan polyamide resin Increase pneumatic pressure gradually to avoid whiplash of the supply line in the event that it is not solidly connected WHIPLASH HAZARD Solidly connect the compressed air piping Open the valve slowly Helix 5 Axis Ophthalmic Lens Edger User Manual 10 Part No 87406 11 Rev 1 01 November 5 2010 Major Subsystems Overview Machining The machining system consists of a high speed spindle which rotates the selected cutting tool The spindle traverses left and right front back and up down to engage the tool with the work piece Also included is a lens probing system a tool length calibration pad and the tool store holding up to seven tools Pneumatic jets clear chips from the machining area Cooling is provided both for the spindle and for the tool work piece interface Lens Positioning The lens positioning system secures the blocked lens for machining using a chuck below the lens that engages the block and a clamp arm above the lens which holds the lens in place The positioning system rotates the lens so that the tool engages points around the lens perimeter and tilts the axis of rotation to
45. on reservoirs are filled and all filters are clear of obstruction 5 Do not open any part of the cabinet unless you are certain that no cycle is in progress and all machine motion has completely stopped 6 Do not attempt to bypass any of the safety interlocks for the door or case top 7 Do not attempt to operate the machine unless all cabinet access points are closed 8 Never attempt to machine a glass lens The Helix edger is intended only for machining resin plastic ophthalmic lenses 9 Perform maintenance as indicated in this manual Clean the cutting area regularly 10 When performing maintenance or repair operations be sure to follow all safety instructions such as removing electrical power as described in this manual Safety Interlocks The Helix edger has been equipped with a large number of interlocks to block or stop machine operation if some anomalous or unsafe condition is detected These interlocks must be checked as part of the periodic maintenance and must never be defeated except by trained personnel during certain maintenance operations It is prohibited to remove Assure safety devices are working or alter the safety devices correctly before starting work Helix 5 Axis Ophthalmic Lens Edger User Manual 6 Part No 87406 11 Rev 1 01 November 5 2010 The manufacturer and seller hereby disclaim any liability in the follovving cases Improper use of the machine Use of the machine by
46. ount Tool Life 20 10000 Cir Material Stats Clr Count Clr Count Clr Count Cir Count Clean Clean Utilities a Field Vacuum Mister Clamp v On On Close Field Help Enter Enter the desired tool life for this tool Figure 4 1 Maintenance Screen Helix 5 Axis Ophthalmic Lens Edger User Manual 49 Part No 87406 11 Rev 1 01 November 5 2010 Maintenance Cycles The statistics in this area show how many types of cuts have been performed and the material used The Clr Material Stats function zeroes out all the maintenance cycle statistics These cycles are usually used to record statistics for the life cycle of the Helix however a lab manager may use them for other accounting analyses Tool Count Current number of cycles with that tool Tool Life Maximum number of cycles for that tool Adjustable by the user Clr Count Clears the tool count for that tool Utilities Vacuum On Used to turn vacuum on for cleaning Mister On Used to set mister level Clamp Close Used to test clamping Spindle On Used to test spindle The clamp must be closed Clean Used to clean the polishing wheels Follow on screen instructions Cleaning Basic cleaning should be performed every day or more often if the machine becomes clogged with debris Wear a respirator mask when cleaning chips and debris To access
47. oves into the lens during finishing measured in millimeters per lens revolution Feed Rate The speed at vvhich the tool moves through the lens during the finishing eycle measured in meters per minute Motor RPM The speed of the spindle motor during the finishing eycle measured in thousands of revolutions per minute Helix 5 Axis Ophthalmic Lens Edger User Manual 40 Part No 87406 11 Rev 1 01 November 5 2010 Frame Screen Use the Frame Screen to set defaults for size adyustment for each of the frame types listed P Frame Screen Frame Settings Front Back Size Safety Safety Name Adjustment Polish Bevel Bevel 0 10 m r r 0 30 E m mi 0 40 Material 9 Exit 6 Clear 3 l a Enter Enter the desired amount of Frame adjustment Hu 0 Figure 2 17 Frame Screen Frame Settings Size Adjustment Amount in millimeters to increase or decrease based on the selection For example in operations that use Zyl frames set this value for slightly larger For operations that use cold snap frames the tolerance is much tighter therefore this value should be set to zero or a very small value Polish Selecting this checkbox will enable polishing for this frame type by default Front Safety Bevel Selecting this checkbox will enable front safety beveling for this frame type by default Back Safety Bevel Selecting this checkbox will enable back safety beveling for
48. positing inside An automatic system opens the hatch only during the tool change phase There are seven tool positions available inside the tool store When tools are loaded into the tool store or replaced it is essential that the position of the tool in the tool store and the tool s dimensional properties be accurately recorded via the control software ATTENTION The control software identifies tools by their position within the tool store housing There is no additional sensing mechanism When any tool is changed it is essential to insert the new dimensional and performance features into the control software and to insert the tool into the correct housing position Helix 5 Axis Ophthalmic Lens Edger User Manual 12 Part No 87406 11 Rev 1 01 November 5 2010 Tools ATTENTION Only balanced tools with dimensions that are compatible to the machine should be used on the machine Do not exceed the nominal balancing speed stated on the tool When inserting new or re sharpened tools it is absolutely necessary to perform the following before any machining Enter the new dimensional data e Check the length on the tool calibration system presetting Always ensure that the position of the tool corresponds to that specified in the software program Cooling the Tool and the Lens Being Machined The tool cooling system consists of a coolant reservoir tray and a pneumatic pumping system Coolant is dispens
49. rd open e g in the case of maintenance by specialized staff the person in charge must wear protective gloves and goggles Helix 5 Axis Ophthalmic Lens Edger User Manual 57 Part No 87406 11 Rev 1 01 November 5 2010 Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 58 Appendix C Electrical Diagram Helix 5 Axis Ophthalmic Lens Edger User Manual 59 Part No 87406 11 Rev 1 01 November 5 2010 Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 60 Appendix D Certificate of Compliance Helix 5 Axis Ophthalmic Lens Edger User Manual 61 Part No 87406 11 Rev 1 01 November 5 2010
50. regarding operator safety the machine has been designed and built in compliance with the 73 23 CEE Low Voltage directive implemented by Legislative Decree 615 96 Harmonized Standards The risk evaluation carried out according to the provisions of the Essential Safety and Health Requisites of the stated European and national legislative provisions has followed the indications stated in the Harmonized Standards It has produced the design and construction of the safety devices and signage described below Considering the importance of the command and control parts on the machine the IEC EN 60204 1 Harmonized Standards have been followed with particular attention This is also relevant for the aspects regarding electromagnetic compatibility The harmonized standards used for the design and implementation of the machine and indicated in the Declaration of Conformity are set forth in the following table UNI EN ISO 9000 Fundamentals and vocabulary Dec 05 UNI EN ISO 12100 1 Basic concepts general principles for design Apr 05 Part 1 Basic terminology methodology UNI EN ISO 12100 2 Basic concepts general principles for design Apr 05 Part 2 Technical principles UNI EN 1088 Interlock devices associated to the guards Dec 07 Principles for design and selection UNI EN ISO 13849 1 Parts of the control units linked to safety Feb 07 Part 1 General design principles UNI EN 954 1 Parts of the control unit
51. requires only ambient air If the ambient air temperature is too high further machining is disabled to prevent overheating the spindle The coolant should be replaced at least yearly The heat exchange coils should be cleaned at 1 to 3 month intervals This operation can only be carried out with the machine at a standstill and after sources of energy have been disconnected A vacuum should be used to clean the heat exchanger coils Compressed air must not be used Tool Taper Cleaning Jet In the automatic tool loading and unloading phases a jet of compressed air cleans the area of contact between the spindle and tool The jet is intense and has a duration of about one second Tool Calibration Cleaning Jet The tool calibration position tends to get dirty during machining Before checking the length of the tool the calibration area is cleaned using a jet of compressed air Tool changes are under software control Software controls the selection and attachment of the desired tools from the tool store The spindle can only rotate if a tool is properly attached There are electronic sensors that prevent the improper spindle rotation in the following cases e The tool pincer mechanism is open pincer is closed but the tool is not correctly attached tool is not present Tool Store The tools are housed in a fixture called the tool store It incorporates an access hatch which is always closed during machining to prevent dirt de
52. rial name as displayed on the Job Screen Drilling Bite Depth The depth to which the drill bit will pierce the lens before reversing direction measured in millimeters Plunge Feed The speed at which the drill moves forward into the lens during drilling measured in millimeters per second Helix 5 Axis Ophthalmic Lens Edger User Manual 39 Part No 87406 11 Rev 1 01 November 5 2010 Endmill Feed The speed at which the tool enlarges a small hole into a bigger hole measured in millimeters per second Motor RPM The speed of the spindle motor during the drilling cycle measured in thousands of revolutions per minute Finish Mill Material Screen General Tool 1 12 13 14 Tool5 Tool6 Tool7 Job Name Finishing a Feed Motor Feed Rate RPM Setup 0 15 30 Poly 0 5 15 fso Tool Hi ldx 1 0 1 5 30 Trivex 0 5 1 5 30 Thk Poly 0 5 1 5 30 AR Hi ldx 1 0 1 5 30 Frame TAR Poly 15 130 AR CR 39 1 0 1 5 30 THHI 1 0 1 5 Pattern 1 0 15 fso Restore Defaults Finish Mill 7 8 9 Exit a 2 4mm Field 4 5 6 Clear kon 1 2 3 l Help v 0 A Enter v0 00 Press CLEAR to edit material name o Figure 2 16 Material Sereen 2 4 mm Finish Mill Tab Tool 7 Name The material name as displayed on the Job Screen Finishing Feed The speed at which the tool m
53. rt No 87406 11 Rev 1 01 November 5 2010 15 Clamp arm for securing blocked lens in chuck Chuck for retaining block on lens t 1 Figure 1 4 Lens Blocking Area Figure 1 5 Electro Spindle 1 Spindle Cooling Unit 2 Tool Coolant reservoir 3 Electric Control Board 4 Compressed Air Filtering Unit Note These items are accessed from the rear of the Helix cabinet Figure 1 6 Electro Spindle Cooling Unit Compressed Air Treatment Lens Cooling Helix 5 Axis Ophthalmic Lens Edger User Manual 16 Part No 87406 11 Rev 1 01 November 5 2010 1 Cooling Unit Mixer 2 Compressed Air Supply 3 Coolant Mixture Supply 4 Compressed Air Adjustment 5 Tool Cooling Nozzles Figure 1 7 Tool Cooling Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 17 This page intentionally left blank for duplexing purposes Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 18 Chapter 2 Operation This chapter explains how to use the Helix edger in normal operations Maintenance operations are described in a later chapter The primary user interface to the Helix is the touch screen described in detail later in this chapter For certain operations however a hand wheel controller is available for limited manual control Operators The Helix edger should not be operated except by personnel
54. s OK 2 The pattern will be edged to a rectangle 3 Remove the blocked pattern and insert the block into the axis gauge 4 Estimate the angle between the edge of the pattern and the lines scribed on the gauge 5 Enter the angle in the indicated field and press OK If the pattern would need to be rotated CW to align with the gauge the entered number should be positive If the pattern would need to be rotated CCW to align with the gauge the entered number should be negative Calibrate Probe LIH AO SH OSE Note This calibration requires the stainless steel disk with concentric segments and attached PDA 1 Clean the probe pad as instructed and mount the probe calibration disk Press OK The calibration is automatic but involves a large number of measurements and may require several minutes When the calibration is complete press OK Order of Calibration For standard calibration of Helix follow this order Tool Length Probe Tool Size Axis For full calibration of Helix follow this order Tilt Tool Length all Z depth Probe Tool 2 Size Radius Axis Size all Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 47 Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 48 Chapter 4 Maintenance Periodic maintenance as described in this chapter is essential for optimizing productivity and quality All
55. s in the calibrated values These adjustments are specified in the Offsets area of the Tools Screen Size Specifies amount in mm by which the box size is automatically adjusted Bevel Specifies amount in mm by which the bevel is automatically shifted to correct for small bevel placement problems Positive values shift the bevel towards the back of the lens Axis Specifies amount of axis adjustment in degrees Positive values effect a CW axis change patient view Calibrate Axis Initiates routine to calibrate the axis of lens rotation C axis Follow on screen instructions Origins Probe Note Note The origin values are automatically set during calibration and should not be changed manually except under supervision of service personnel X Specifies origin of X axis left right Y Specifies origin of Y axis forward back Z Specifies origin of Z axis up down A Specifies origin of A axis lens tilt C Specifies origin of C axis lens axis Radius Specifies origin of the mechanical radius of rotation Tilt Specifies origin of tilt axis lens tilt Calibrate Z Initiates routine to calibrate the Z axis Follow on screen instructions Calibrate Radius Initiates routine to calibrate the radius of the tilt axis A axis Follow on screen instructions Calibrate Tilt Initiates routine to calibrate lens tilt axis Follow on screen instructions Get Value Pressing this button when X Y A or C is highlighted wi
56. s linked to safety Dec 98 General design principles UNI EN 981 System of auditory and visual danger and information signals Mar 98 UNI EN 349 Minimum spaces to prevent crushing of the body June 94 UNI EN 294 Safety distances to prevent upper limbs reaching dangerous areas July 93 UNI EN 811 Safety distances to prevent lower limbs reaching dangerous areas Dec 98 IEC EN 60204 1 Machine s electrical equipment Sep 06 Part 1 General rules Helix 5 Axis Ophthalmic Lens Edger User Manual 55 Part No 87406 11 Rev 1 01 November 5 2010 FCC Class A Device Compliance NOTE This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment This equipment generates uses and can radiate radio frequency energy and if not installed and used in accordance with the instruction manual may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be required to correct the interference at his own expense Safety Devices Mechanical end runs have been mounted to prevent damage caused by excess movement along the X Y Z axes e In order to prevent accidental contact with moving parts interlocked mobile protec
57. sition can be pivoted forward or back by pressing Pivot Front or Pivot Back Undo Clears changes made by the operator and returns to original state Helix 5 Axis Ophthalmic Lens Edger User Manual 25 Part No 87406 11 Rev 1 01 November 5 2010 Shelf A picture of the lens is drawn to illustrate the position of the shelf The picture on the left shows the thickness of the lens and position of the shelf around the lens The picture on the right shovvs the cross section of the lens that coincides with the arrow on the left Generator data must be entered to correctly draw the lens Note Items displayed on the screen may vary based on shelving parameters selected Roughing Tool Finishing Tool Shelving Tool Cutter Bevel None 0 10 Shelf Position Bevel 0 00 Shelf Height Figure 2 6 Shelving Parameters Shelf Position Specifies the location of the shelf Values are Bevel Fixed Percent Base Center and Back Depending on the selection additional fields for numerical modifier s are displayed For example as shown in the figure above the shelf will follow the contour of the bevel but offset towards the back of the lens by 1 00 mm The hint line at the bottom of the screen contains descriptions of the modifier value Shelf Height Specifies the height in mm of the shelf or how far the shelf extends from the rimless edge of the lens This value may be specified for each quadrant When Load Frame is pr
58. t Active Open Tool i Store Open Spindle Chuck Probe Speed 55 20 A 0 000 Radius 41 05 3 0 110 61 c 0 00 Tilt 0 000 x 2 Field x Z 104 95 Field Origins offsets Calibrate Calibrate Calibrate Set Calibrate Radius Tilt ue Probe Help Current Tool 1 Enter v0 00 Select the type of tool installed in this position Figure 2 8 Tool Screen Tool Selection Note Repeatedly tapping the Type or Style fields will cause them to cycle through their allowed values Position Tool Positions 1 7 as they are positioned in tool store These values are not changeable Type Specifies the type of tool Style Specifies the style of tool of the selected type Details Opens a dialog box to allow entry of tool dimensions as defined by the distributor See Figure 2 9 below Calibrate Tool Size Initiates routine to calibrate tool size Follow on screen instructions Calibrate Tool Length Initiates auto calibration routine to calibrate tool length of specified tool Calibrate All Tool Length Initiates auto calibration routine to calibrate tool length of all tools Set Active Specifies that this tool is currently mounted in the motor spindle Helix 5 Axis Ophthalmic Lens Edger User Manual 30 Part No 87406 11 Rev 1 01 November 5 2010 Offsets Note Even after performing a calibration it may be desirable to make small adjustment
59. ted option Navigation between screens is accomplished via control buttons on the left side of the screen or across the top Helix 5 Axis Ophthalmic Lens Edger User Manual 22 Part No 87406 11 Rev 1 01 November 5 2010 Job Screen The Job Screen is the main screen used by the operator to make the machine work From this screen the operator carries out all routine operations such as loading the program modifying the program starting the program etc Job Screen Job Number setup nnm 0 Lens Shape Right Lens Shape Left Edging Eye Right Box Size 0 00 Frame Metal Material Poly Bevel Automatic Edge Angle Fixed o Polish 7 Safety Bevel FS BI Load Framei Edit Frame Save Frame Roughing Tool Finishing Tool Shelving Tool Cutter Bevel None Drill ununu Click on a feature on the screen to edit drill data Type Depth Start X Lateral Angle Start Y Both Eyes Diameter Next End X m Feature n Add Remove End Y Prev Feature Feature Feature Enter job number via keypad or barcode Figure 2 2 Job Screen Job Number Enter the number for the job data to be retrieved from the Host computer To recall a previously edged job from internal memory press CLEAR and ENTER to switch to internal memory mode This will allow re edging a job in recut mode to avoid probing Press CLEAR and ENTER to exit internal memory mode Edging Eye Specifies the current eye to be edged Box
60. tion has been designed and implemented in transparent shock proof material that also acts as protection against the risk of projection of materials An emergency stop button has been installed on the right of the operator position e Another emergency stop button is present on the control hand wheel The emergency stop buttons intervene by isolating all energy sources vvith immediate shutdovvn of movement Ex BX gt x e See ee t is prohibited to The operator must make sure the safety remove or alter the devices are working correctly before safety devices starting work The removal of safety devices can only be allowed for maintenance operations by staff trained especially regarding maintenance and who have explicit authorization and training Any maintenance or repair which involves removing or disabling safety devices should only be performed after this instruction manual has been read thoroughly Helix 5 Axis Ophthalmic Lens Edger User Manual 56 Part No 87406 11 Rev 1 01 November 5 2010 Signs The Helix edger has the following signs for the operators Danger moving mechanical parts Electric shock hazard Use protective gloves Dangerous area No lifting in this point Danger of crushing the hands Do not remove the guards with the automatic edger functioning No access to live el
61. tment of Spindle Rotation Speed By rotating in a clockwise direction it is possible to increase the rotation speed of the electro spindle set via software up to 150 By rotating in a counter clockwise direction it is possible to decrease the speed of the electro spindle by up to 50 Pitch Selection By acting on these buttons it is possible to select the pitch which can be small medium or large Axis Selection These buttons allow one to choose the axis on which to act manually using the hand wheel Press 4 to select the A axis and 5 to select the C axis Hand Wheel Positioner By rotating in a clockwise direction we obtain the movement of the selected axis towards the positive direction By rotating in a counter clockwise direction we obtain the movement towards the negative direction The disc rotates with small steps The amount of movement at every step is determined by the selection of the small medium or large pitch Emergency Button By pressing this button all movements are stopped immediately This must be used for all emergencies Tool Cooling Opening Control Starts the tool cooling circuit Tool Store Opening Control Controls the manual opening of the tool store Control Spindle Pincer Opening Activates opening of the spindle inside the electro spindle with consequent release of the taper By pressing a second time the pincer closes holding the taper On L
62. umber If the lens is small increase this number Tilt Reduction Amount by which the tilt angle may be reduced without prompting the user Helix computes the maximum tilt angle for a given job and tool set If this angle could cause a collision it is automatically reduced to a safe value If the reduction is greater than Tilt Reduction the user is prompted to accept the change else the reduced tilt angle will be accepted without prompting the user Max Tilt Bevel Specifies the maximum tilt angle for a dynamic beveled lens degrees Max Tilt Rimless Specifies the maximum tilt angle for a dynamic rimless lens degrees Min Feed Rate Specifies minimum rate at which cutter blade will feed into lens This value overrides the value specified on the Material Screen Max Feed Rate Specifies maximum rate at which cutter will feed into lens This value overrides the value specified on the Material Screen Initial Chuck Specifies initial closing pressure setting for pneumatic chuck Default Bevel Specifies method for bevel or groove placement if a value is not downloaded from host Probe Type Select the type of probe installed in the Helix The choices are Standard or Air Bearing Language Select language of your choice Communications Port I O port selection for connection to host computer either Ethernet or Serial RS 232 Baud Rate Select the baud rate for I O port Baud rate should match host computer Max TRCFMT Speci
63. unauthorized staff Incorrect installation unless such installation was performed by the manufacturer or seller Unsuitable energy and fluid supplies Lack of maintenance Unauthorized modifications and installations Use of non original spare parts or parts that do not correspond to the manufacturer s specifications Refer to Chapter 4 for detailed maintenance instructions Refer to Appendix B for descriptions of the standards to which Helix edgers comply applicable agency certifications and listings in effect The user s attention is particularly directed towards the discussion of residual risks from operating the machine Helix 5 Axis Ophthalmic Lens Edger User Manual 7 Part No 87406 11 Rev 1 01 November 5 2010 Helix 5 Axis Ophthalmic Lens Edger User Manual Part No 87406 11 Rev 1 01 November 5 2010 Chapter 1 The Helix Edger General Description The Helix edger is a device comprising mechanical electrical pneumatic and software elements whose function is the precise machining of resin ophthalmic lenses This includes edging with a large variety of contours drilling and milling The Helix is equipped with a tool changing mechanism that permits all such operations to be performed without the user needing to manually change tools or remount the work piece Additional flexibility is achieved via five primary axes of motions including tilting the axis of rotation of the work piece This allows for example very high wrap
64. vel measured in millimeters 12 13 Tool4 15 Tool6 Tool7 Grooving Feed Motor Rate RPM 3 0 30 3 0 30 Hi ldx 3 0 30 Trivex 3 0 30 Thk Poly 3 0 30 AR Hi ldx 10 3 0 30 AR Poly 3 0 30 AR CR 39 b 3 0 30 THHI b 3 0 30 Pattern l 30 30 Restore Defaults 7 8 9 exit 4 5 6 Clear 2 a vi Press CLEAR to edit material name Figure 2 14 Material Screen Groove Tool 5 Helix 5 Axis Ophthalmic Lens Edger User Manual 38 Part No 87406 11 Rev 1 01 November 5 2010 Name The material name as displayed on the Job Screen Grooving Feed The speed at which the tool moves into the lens during the grooving cycle measured in millimeters per lens revolution Feed Rate The speed at which the tool moves through the lens during the grooving cycle measured in meters per minute Motor RPM The speed of the spindle motor during the grooving cycle measured in thousands of revolutions per minute Drill Mill P Material Screen General Tool 1 Drilling Bite Plunge Endmill Motor Feed Feed RPM Poly b 20 30 Tool Hi ldx Hf 20 30 Trivex Material Thk Poly Frame RPoy ARCRIO ra ZIN Restore Defaults EA Field Maint 1 i Press CLEAR to edit material name Figure 2 15 Material Screen Drill Mill Tool 6 Name The mate

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