Hardinge GD16C2 and GD3J2 Indexer User Manual
Contents
1. 10 01 10 01 25 4 lt 254425 gt lt 2544 25 gt 1 89 48 x Dual Unit Fanuc 30 89 785 gt Dual Unit Siemens Heidenhain Okuma 33 44 849 Triple Unit Fanuc 40 89 1039 Triple Unit Siemens Heidenhain Okuma 43 44 1103 Bottom View Eas 31 93 811 Triple 20 98 533 Dual gt lt 33 89 861 Triple 23 77 604 Dual gt Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com 12 THE 16C 3J DUAL AND TRIPLE UNITS CAN BE RUN IN THE HORIZONTAL POSITION ONLY Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F The GD1I6C2 and GD3J2 Rotary Table Indexer systems can be ordered with the motor on either side of the unit If the unit is ordered with the motor in the standard orientation motor on the left looking at the spindle face counter clockwise is the positive direction and the spindle key will be in the 12 o clock position when the rotary is in the zero position If the unit is ordered with the motor on the right hand side of the unit then the spindle will move clockwise when programmed to move in the positive direction and the spindle key will be in the 6 o clock position when the rotary is in the zero position NOTE The Hardinge servo control and most machine control parameters can be changed to make either cloc2. A 12 12 308 6 00 i 152 025 a __ Ba 4 80 122 x 4 0003 9 48 241 gt eal 102 008 lt 15 70 399 9 4 239 Front View Side View ee a U MG A l ms Sie ee ee a aa Oil Drain Plug locating e Bottom View GD16C2 and GD3J2 Rotary Table Single Spindle Units for use as 4th Axis A 12 12 308 i gee as pe tee E 7 6 001 152 025 SS FS y lt 4 80 122 0003 E 9 48 241 102 008 Fanuc 17 50 445 9 4 239 Siemens Heidenhain Okuma 20 05 509 Front View Side View eee eel 5 8 or Oil Drain Plug 18mm locating ing Bottom View Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 RS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F GD I 6C2 02 03 and GD3J2 02 03 Indexer Multiple Spindle Units for use with Hardinge Servo Control Front View A 10 01 10 01 4 i i T i Bottom View i 31 93 811 Triple 20 98 533 Dual gt 33 89 861 Triple 23 77 604 Dual gt GD I 6C2 02 03 and GD3J2 02 03 Rotary Table Multiple Spindle Units for use as 4th Axis Front View
3. 7 18 RS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F HARDINE MADE IN U S A COLLET CLOSER ADAPTER PLATE IF ACCESS TO CLAMP IS NEEDED REMOVE THESE 6 M6 BOLTS AND ADAPTER PLATE Jol X HARDINGE MADE IN U S A Remove 4 M5 Clamp Cover Bolts and Remove Cover CAUTION The Hardinge Collet Closer relies on air pressure to maintain clamping force and is released upon the removal of the air pressure For situations where the air is accidentally removed during operation a check valve will temporarily maintain clamping force so that the system can be brought to a safe STOP condition Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 2 6 Tooling Locations The Rotary Table Indexer system is equipped with tooling points in order to speed setups One of the most time consuming procedures in setup is aligning the head with the table On the mounting surfaces there are two 0 500 12 7mm bored holes on 4 000 101 6mm centers The holes on the bottom surface are parallel to the spindle within 0 001 0 025mm per 6 inches 152 4mm and on the center within 0 001 0 025mm 5 8 or 18mm locating pins By boring machine holes in your tooling plate setups become routine Using the tooling holes will als
4. two MIO bolts that need to be screwed into the face of the spindle Use your hand to put pressure on the wrench or bar to physically move the spindle in one direction Move the spindle in that one direction until you measure approximately 0 001 on your indicator Remove your hand from the wrench or bar so that the spindle can spring back to a nominal position When the indicator shows that the spindle has sprung back some zero out the indicator at this position Put pressure on the wrench or bar to move the spindle in the opposite direction now Again you are going to want to move the spindle at least 0 001 and release the wrench or bar so the spindle can spring back Record the reading on your indicator as this will be used to calculate gear backlash Take the distance recorded by the indicator and divide that number by 2 because your measurement was taken 2 inches from spindle centerline Now take the inverse tangent tan of this calculated number and that will be how many degrees of backlash you have in your gears To figure out how many arcseconds that is simply multiply the degrees you calculated by 3600 If you calculate your backlash to be 40 arcseconds or less then no backlash adjustments are necessary To compensate for the mechanical backlash electronically see the control manual A chart of various angles in arcseconds measured linearly at different radii along with a pictorial description of backlash follows Faas Fate Fate
5. be mounted vertically drill and tap these holes for M5 set screws Seal the holes using M5 set screws and thread sealant Drill and tap a hole for a M5 set screw on the side of the motor cover parallel with the back mounting face of the indexer This will be the new drain hole for the indexer when it is mounted vertically If the indexer orientation is changed to horizontal mounting remove the two set screws and place one in the vertical mounting drain hole If this procedure is not followed the warranty will be void for any contamination in the motor cover Part No BF 0009500 0126 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com 13 RS HARDINgE GDI16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 3 Place the Rotary Table Indexer in an area free from chips and coolant where air can circulate freely Do not let chips pile up over the motor enclosure as this would prevent proper cooling 4 Connect the GDI6C2 or GD3J2 Rotary Table Indexer using one of the techniques as described in the Hardinge servo control or Hardinge 4th axis manual which will be included with the mechanical unit 5 Route the cable over the back of the mill sheet metal if using Hardinge Servo Control 6 If adding an indexer to a Hardinge mill using a remote CNC cable or as a true 4th axis refer to the instructions in the Hardinge 4th axis manual or call the Hardinge service depa
6. directed away from the head Some machining centers provide flood coolant at enormous rates so that the head is practically submerged Try to cut the flow down to match the job e Inspect the cables and gaskets for cuts or swelling Damage must be repaired immediately 4 2 Lubrication To check the lube level of the Hardinge Rotary Table Indexer view the level of lube visible in the lubricant window when the unit is stopped The window is located on the front and side of the unit opposite the motor The lube level should reach the middle of the window If necessary add lubricant until the level reaches the midpoint of the window To add lubricant to the unit locate and remove the pipe plug from the lube fill port This is located behind the eyehook on top of the unit Add MOBILGEAR 600 XP 220 until the proper level is reached Replace the fill port pipe plug and tighten Replace the oil every two years Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F Drain oil using the drain location found on the front or bottom of the rotary table indexer 4 3 Collet Key Replacement Remove the set screw in the collet key access hole and then remove the collet key using a 3mm Allen wrench for both items Screw the new collet key into the spindle until it begins to protrude i
7. ease and safety of operation However some previously accepted shop practices may not reflect current safety regulations and procedures and should be re examined to insure compliance with the current safety and health standards Hardinge Inc recommends that all shop supervisors maintenance personnel and machine tool operators be advised of the importance of safe maintenance setup and operation of Hardinge built equipment Our recommendations are described below READ THESE SAFETY RECOMMENDATIONS BEFORE PROCEEDING ANY FURTHER READ THE APPROPRIATE MANUAL OR INSTRUCTIONS before attempting operation or maintenance of the equipment Make certain that you understand all instructions DO NOT ALLOW the operation or repair of equipment by untrained personnel CONSULT YOUR SUPERVISOR when in doubt as to the correct way to do a job WEAR SAFETY GLASSES AND PROPER FOOT PROTECTION at all times When necessary wear respirator helmet gloves and ear muffs or plugs DON T OPERATE EQUIPMENT unless proper maintenance has been regularly performed and the equipment is known to be in good working order WARNING or INSTRUCTION TAGS are mounted on the unit for your safety and information Do not remove them or damage them DO NOT ALTER THE EQUIPMENT to bypass any interlock overload disconnect or other safety device DO NOT OPERATE EQUIPMENT if unusual or excessive heat noise smoke or vibration occurs Report any excessive or unusual vibration soun
8. fitting or mechanical damage will occur 9 Check the oil level If it is low add oil Use MOBILGEAR 600 XP 220 only 10 Save the packing materials in case you need to ship the unit 1 At the end of the workday or shift it is important to clean the Rotary Table Indexer The Rotary Table Indexer should be free of any chips or grime Clean with a chip brush and apply a coat of rust preventative CAUTION Do not use an air gun around the front or rear seals Chips may damage the seal if blown in with an air gun NOTE Prior to powering on the control read and understand the entire control or 4 axis manual NOTE If using a tailstock always use Live Centers The use of Dead Centers could cause damage to the gear system 2 Turn on the mill and servo control if applicable and home the indexer by pressing the zero return button The Rotary Table Indexer homes in the counter clockwise direction as viewed from the spindle Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com 14 Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 2 2 Use of Collets Sure Grip Expanding Collets Sure Grip 3 Jaw Power Chucks and Face Plates The unit accepts standard Hardinge 16C or 3J collets step chucks ID gripping collets chucks and face plates When inserting the collet align the keyway on the collet with the key inside the s
9. foes Paes oom 0 0000048 0 0000097 0 00001 4 0 000019 0 000024 0 000029 0 000024 0 000048 0 000073 0 000097 0 00012 0 00014 4 4 a _ 1 k A W F 1 k1 k a fi i 1 i ks i fi Y bg r i j ny i f j i 1 l rT wh L _ I i _ SPACE BETWEEN aw 3 GEAR AND WORM WORM teem Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com GEAR Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 3 2 Adjusting Backlash NOTE A small amount of backlash is required for the gear set If it is determined that the backlash needs to be reduced Hardinge highly recommends that the unit be sent back to the factory if still within the warranty period If the customer decides to make the adjustments on their own Hardinge has included the following detailed instructions aa 4 x 1 LONG A special tool is required to move the eccentric to adjust the backlash This tool can be made from either steel or aluminum Failure to make and use this tool may result in damage to the eccentric which will NOT be covered under warranty 2 The eccentric that you will be adjusting is on the side of the indexer opposite of the motor cover Start by removing the 4 four M6 bolts that hold the square black plate to that side of the indexer housin
10. that the electrical cables are not restrained or pinched during full travel movement of the machine Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F Introduction I 1 Description The GD1I6C2 and GD3J2 Rotary Table Indexers are used for accurate and dependable positioning of medium parts in machining operations such as milling drilling tapping contouring and spiral milling The Hardinge GD16C2 and GD3J2 Rotary Table Indexers are a fully integrable programmable rotary positioning device that saves on workspace without sacrificing performance The mechanical indexing head holds the workpiece which is positioned by programming angular movements into the all digital servo control as a slave to a CNC machine or directly into a CNC control in a true 4 axis setup The Hardinge All Digital Servo Control is industry compatible and will drive most brands of brush or brushless motor indexing heads The mechanical indexing head features an A2 5 spindle nose for spindle tooling compatibility with A2 5 spindle CNC lathes The mechanical Indexing head is configured to run in the horizontal position If a vertical running position is required spindle pointing up you must make alterations to the motor cover that are detailed as follows Located on the bottom of the motor cover
11. BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F Ha HARDINgE MADE IN U S A Setup and Operation for the Hardinge GD1I6C2 and GD3J2 Rotary Table Indexers Original U S A Instructions Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F Thank you for purchasing a Hardinge GD16C2 or GD3J2 Rotary Table Indexer This User s Manual is provided to assist you with setup procedures and to familiarize you with the features specifications and maintenance recommendations of your unit The mechanical indexing head can be maintained by the customer with proper cleaning lubrication and maint enance Any necessary repairs required during the warranty period will be made at Hardinge Inc or by a factory authorized representative Hardinge supplies a complete array of 16C and 3J workholding products including collets step chucks expanding collets chucks and fixture plates Custom manufacturing is also available Hardinge Inc One Hardinge Drive Elmira New York 14902 1507 U S A p 800 843 880 p 800 468 5946 Canada f 607 734 3886 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 BS HARDINgE GD16C2 an
12. No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 4 Standard Spindle Clamp The Hardinge GD16C2 and GD3J2 Rotary Table Indexers come with a fail safe spindle clamp that is standard right from the factory This clamp allows the spindle to handle cutting forces equal to 175 ft lb 237 Nm allowing for greater cutting forces in the non contouring mode of operation The unit contains a pressure sensor that will prevent indexing in the event that air pressure drops below 85 psi to the clamp so that damage is prevented Air is supplied to the clamp via a quick disconnect fitting on top of the motor cover When equipped with the Hardinge servo control the clamp can be controlled automatically so that the clamp is engaged when the Rotary Table Indexer arrives at its programmed destination or it can be controlled with G codes For ease of use a C will appear on the display of the control whenever the clamp is engaged There is a potential for a drop in air pressure if the air line supplying the Rotary Table Indexer is also supplying something else with air If you receive a low pressure alarm the first thing you should check is the air pressure supplied to the Rotary Table Indexer Please note that even a momentary drop in air pressure can create an alarm situation CAUTION Never attempt to defeat the clamp protection logic as this may result in an opportunity for the system to rotate when the clamp is engaged Th
13. adjusted to achieve different drawbar forces out of the collet closer as shown in the chart below CAUTION If it is desired to use less than 85 psi of dry filtered air on the collet closer the spindle clamp must be plumbed separately from the collet closer NOTE Do not supply the collet closer with air pressure in excess of 20 psi at any time o a o ee o o 00989 0 887 Part No BF 0009500 0126 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com I5 RS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 2 4 Use of Collets with the Hardinge Collet Closer NOTE All collets must be free from burrs and in good condition To install a collet first make sure that the closer is in the open position Loosen the 4 M6 bolts that hold the drawtube to the closer piston until they are fully disengaged from the piston The bolts will not come all of the way out of the drawtube due to snap rings in the counterbored holes Align the collet keyway with the spindle key and insert the collet and turn the draw tube to engage the collet Turn the drawtube until the collet grips the part and then back off approximately 4 turn This will be a good starting point for fine tuning the grip range Turn the drawtube until the bolts in the drawtube align with the holes in the piston and torque bolts to 10 ft lbs NOTE To prevent excessive wear and collet sti
14. cking make sure collets are in good condition and free from burrs A light coat of Molybdenum grease on the collet wear surfaces will extend the life of the spindle and or collet and help prevent sticking especially when operating dry ao DRAWTUBE LOOSEN 4 M6 BOLTS Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com l6 Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 2 5 Removing the Hardinge Collet Closer Air collet closers fitted at the factory are not intended to be removed However if servicing is required remove air supply and all workholding and then disconnect the air lines from the collet closer Remove the 4 M6 bolts that hold the anti rotation bracket to the housing and remove bracket Remove the 10 M6 bolts near the outer edge of the collet closer body The collet closer should now be free to remove from the rotary table indexer If access to the spindle clamp is required remove the 6 M6 bolts that hold the collet closer adapter plate to the spindle of the indexer followed by the 4 M5 bolts that hold the clamp cover in place You should now be able to see the spindle clamp ANTI FROTATION BRACKET LOOSEN 4 M6 BOLTS REMOVE AIRLINES Part No BF 0009500 0126 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com
15. d GD3 2 Rotary Table Indexers User Manual B 26F Table of Contents Important Safety Recommendations se sssessseessseoseresssreserossereseesseeesseesserossrossereseresseee 4 Introduction ih DESCRIDCIONS sespe a E REO E E ETATE 7 2 High Stiffness Overall Syster 12ticisiei i ciecseanienisthiedocauheehtl E T EEDS 7 k3 Machmable Part olesan eane EE A E N 7 k4 Standard Soindle Clamp rers i EEE EN 7 Boy NRCACURES mosodai rE E A EA E TE 9 1 6 Specifications and General Requirements sssessserssseeseressereseresseesseresseeseresseeo 10 lef DIMENSIONS erene e araa L EEE ei eececanesnss I 2 Set Up 2A Generalo etU deee iana EEE NONE E A ETE 3 2 2 Use of Collets Chucks and Face Plates ccc ccccc cece ence ee eects ennneeeeeeeeeenneeeeeeeens 5 2 3 Use of the GDI6C2 and GD3J2 Collet Closer ccc cece eee e cece eeenneeeeeeeees I5 2 4 Use of Collets with the Hardinge Collet Closer 0c ccc ccc cccc cece ee neeeeeeeeeeeneeeeneeeees l6 2 5 Removing the Hardinge Collet Closer osssnssunsssenssressersserossersseessseessressereserees I7 26 Tooling Locations sereias E A N E AE once ewats 19 3 Backlash Adjustment Sel Measuring Backlash orses aere aa E e E 20 Suze AOUS Backlash morssi ane AT E A A T E OA 21 4 Routine Maintenance 4 Use of Oil and Water Soluble Coolants 0 0 0 0 ccc ccc cece cece cece cece ceececceeceececcencencencens 22 A MAUI IGARIOIN seth oedeyeen de
16. di cieceine tard tr casters aca aoe eee ee caer rahe eke ce een eed eae 22 435 Collet Key Replacement s 2 c2 asseenesecaceventoniencietcereaantstaneusuessesnevaneeesnateorsasesamaceas 23 mae Clea cite eian hee heen IE A cea ei tae eee ih iecea tek ate ath ce 23 ENN Ga eames eRe Oso rer ea rea ee een re nee en or ee er eT 23 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 RS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F Safety Recommendations READ COMPLETE INSTRUCTIONS CAREFULLY BEFORE OPERATING THIS UNIT Note Equipment refers to the rotary table indexer and or machine it is used with When this instruction book was printed the information given was current However since we are constantly improving the design of our products it is possible that the illustrations and descriptions may vary from the system you receive WARNING Occupational Safety and Health Administration OSHA Hazard Communication Standard 19 10 1200 effective May 25 1986 and various state employee right to know laws require that information regarding chemicals used with this equipment be supplied to you Refer to the applicable section of the Material Safety Data Sheets supplied with your unit when handling storing or disposing of chemicals HARDINGE SAFETY RECOMMENDATIONS Your Hardinge machine is designed and built for maximum
17. ds smoke or heat as well as any damaged parts LIFTING AND HANDLING OF THE UNIT should be done with full knowledge of the unit weight and using proper procedures MAKE CERTAIN that the equipment is properly grounded Consult National Electric Code and all local codes REMOVE POWER FROM THE UNIT by unplugging the power cord before attempting repair or maintenance Where Applicable DON T OPEN THE CONTROL BOX without consulting with Hardinge Where Applicable DON T TOUCH ELECTRICAL EQUIPMENT when hands are wet or when standing on a wet surface REPLACE BLOWN FUSES with fuses of the same size and type as originally furnished Where Applicable ASCERTAIN AND CORRECT the cause of a shutdown caused by overload heaters before restarting the machine Where Applicable KEEP THE AREA AROUND THE MACHINE well lit and dry KEEP CHEMICAL AND FLAMMABLE MATERIAL away from electrical or operating equipment Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F Safety Recommendations continued HAVE THE CORRECT TYPE OF FIRE EXTINGUISHER handy when machining combustible material and keep chips clear of the work area DON T USE a toxic or flammable substance as a solvent cleaner or coolant MAKE CERTAIN THAT PROPER GUARDING is in place and that all doors to the primary mac
18. g 3 Remove the 4 four M6 bolts in the eccentric housing 4 Take note of the small dimple in the face of the eccentric The eccentricity of the eccentric goes towards this dimple Use the special tool you made to turn the eccentric to the next available hole in the direction that makes the dimple go towards the top of the indexer housing This may be either a clockwise or counter clockwise rotation 5 Replace the 4 four M6 bolts in the eccentric and measure the backlash again Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 22 BRS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 6 Continue adjusting the eccentric one hole at a time and checking backlash until an acceptable backlash is achieved NOTE Make sure when adjusting backlash that you have at least 10 arcseconds of backlash in the gear set or the gears may prematurely wear 7 Put the black plate back on the indexer once finished adjusting backlash 4 Routine Maintenance 4 1 Use of Oil and Water Soluble Coolants For the use of oil and water soluble coolants the following guidelines should be observed e DO NOT SUBMERGE THE UNIT IN COOLANTS Keep the coolant lines on the workpiece spraying away from the head Tool spraying and splatter usually will not be detrimental to the motor however large amounts of pressurized coolant should be
19. ge Servo Control Allows repeated sequences up to 999 times saving programming time and memory space VARIABLE FEED RATES Variable from 001 deg sec to 300 deg sec ZERO RETURN With Hardinge Servo Control An automatic home position can be programmed to return the spindle to its original starting position from any point ONE YEAR WARRANTY The Hardinge GD16C2 and GD3J2 Rotary Table Indexers are provided with a one year warranty against any defects in material and workmanship Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 RS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 1 6 Specifications Spindle Torque ft lb Nm Runout Maximum TIR Backlash arc sec Speed degrees sec RPM Maximum Load Support Spindle Nose Spindle center to base inch mm Indexing Accuracy arc sec Repeatability arc sec Resolution degree Max Rotation Step degree Gear Diameter inch mm Motor Type hp kW DC servo Clamping Torque Gear Ratio gear set Operating Specifications Duty Cycle Operating Temperature Humidity Power Rating Oil Requirements Air Pressure Range For Clamp psi bar Weight Rotary Table Indexer Ib kg Workholding Collets Round maximum capacity inch mm Collets Hex maximum capacity inch mm Collets Square maximum capacity inch mm Step Chucks Regular Depth max capaci
20. hine are closed and secured DON T OPEN GUARD DOORS of the primary machine while any machine component is in motion MAKE SURE chucks closers fixture plates and all other spindle mounted workholding devices are properly mounted and secured before starting the unit or the machine MAKE CERTAIN all tools are securely clamped in position before starting the unit or the machine REMOVE ANY LOOSE PARTS OR TOOLS left on the unit or the machine or in the work area before operating the equipment Always check the machine and work area for loose tools and parts especially after work has been completed by maintenance personnel REMOVE CHUCK WRENCHES before starting the unit or the machine BEFORE PRESSING THE CYCLE START PUSH BUTTON make certain that proper functions are programmed and that all controls are set in the desired modes KNOW WHERE ALL STOP push buttons are located in case of an emergency CHECK THE LUBRICATION OIL LEVEL before operating the machine MAKE CERTAIN that all guards are in good condition and are functioning properly before operating the equipment INSPECT ALL SAFETY DEVICES AND GUARDS to make certain that they are in good condition and are functioning properly before the cycle is started CHECK THE POSITION of any load unload automation before pressing the CYCLE START push button CHECK SETUP TOOLING AND SECURITY OF THE WORKPIECE if the machine has been OFF for any length of time DRY CYCLE a new setup to check f
21. ich provides a switch closer as a signal between your mill and the control LINEAR amp SPIRAL MILLING With Hardinge Servo Control For semi fourth axis capability MEMORY With Hardinge Servo Control A nonvolatile memory retains your program even when power is turned OFF and remembers the current spindle position and step number PROGRAM STORAGE With Hardinge Servo Control Store and recall up to fifty different programs PROGRAMMABLE PARAMETERS With Hardinge Servo Control You can alter many of the basic features by performing basic programming PROGRAMMING With Hardinge Servo Control Program to rotate the spindle clockwise or counterclockwise with step sizes from 00 to 9999 99 degrees Using G83 amp G84 continuous rotation is allowed Contact Hardinge for maximum speeds based on duty cycle ABSOLUTE OR INCREMENTAL PROGRAMMING With Hardinge Servo Control Up to 1000 different steps can be stored in memory and each step can be repeated looped 999 times RS 232 INTERFACE With Hardinge Servo Control For computer control of sending and receiving programs and controlling indexer via the CNC control of host machine capable of RS 232 communication RESOLUTION Standard resolution of 00I1 degrees SIMPLE EDITING With Hardinge Servo Control Edit a program by simply writing over existing steps or inserting or deleting a line or several lines between steps with automatic program line renumbering SUBROUTINES With Hardin
22. is will cause an overload fault and repeated attempts to operate in this manner may damage the clamp The clamp requires a minimum of 85psi of dry filtered air to fully release the spindle and must be supplied to the unit even if the clamp is not going to be used Quick Disconnect Air Connection for Clamp function Must supply 85 psi of dry filtered air at this location at all times before attempting to rotate unit With Collet Closer Without Collet Closer Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 5 Features RIGID DESIGN Increased distance between large bearings support heavy cutting forces on large or small parts HARDENED AND GROUND SPINDLE For higher accuracy DUAL ANGULAR CONTACT BEARINGS Support heavy cutting forces AUTOMATIC CIRCLE DIVISION With Hardinge Servo Control You can program a step that automatically divides a circle into any number of equal parts between 2 and 999 STOP FEED HOLD With Hardinge Servo Control You can use the STOP to feed hold spindle movement without losing position on restart FAST SETUPS With Hardinge Servo Control All connectors are quick disconnect ensuring fast and easy setups INTERFACING With Hardinge Servo Control Most CNC mills can be interfaced quickly and easily by using a spare M function wh
23. kwise or counter clockwise the positive direction 2 Set Up 2 1 General Setup Fill out the warranty information by visiting www hardinge com rotarywarranty on the internet 2 Place the Rotary Table Indexer on the machine Route the cable from the head so that it avoids tool changers and table edges Cable slack must be provided for your machine s movements If the cable is cut the motor will fail prematurely Replace a damaged cable immediately Secure the Rotary Table Indexer to the machine s T slot table as shown below upright or on its back Mounting unit on its back will require a special mounting plate T nut packages are available for purchase for various I slot tables Kit includes 2 T nuts 2 bolts and 2 flat washers Check to verify that all clearances are satisfied in full machine axis movements and that there is no possibility of a collision sanosBe H P M10 Eyehooks supplied for lifting Reposition eyehooks to the face for lifting and mounting the Rotary Table Indexer on its back Remove eyehooks before operating the unit The mechanical Indexing head is configured to run in the horizontal position If a vertical running position is required spindle pointing up you must make alterations to the motor cover that are detailed as follows Located on the bottom of the motor cover when the indexer is in the horizontal position spindle pointing right or left are two drain holes If the indexer is to
24. nto the inside diameter of the spindle Align the flat on the key to be parallel with the spindle centerline Slide a collet into the spindle to check the key fit Remove collet and adjust key until proper fit is achieved Loctite 242 can be used to secure the key Replace the set screw back into the key access hole using pipe sealant COLLET KEY ACCESS HOLE COLLET KEY WITH FLAT 4 4 Clean Up At the end of the workday or shift it is important to clean the Rotary Table Indexer The head should be free of any chips or grime Clean with a chip brush and apply a coat of rust preventative Do not use an air gun around front or rear seals Chips may damage seal if blown in with an air gun 5 One Year Limited Warranty The Hardinge GDI6C2 and GD3J2 Rotary Table Indexer Systems are provided with a One Year Warranty against any defects in material and workmanship Specific details of the warranty can be found in the Hardinge Terms and Conditions document associated with the purchase agreement Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 23 Hardinge Inc One Hardinge Drive RO Box 1507 Elmira New York 14902 1507 USA USA 800 843 8801 Canada 800 468 5946 Fax 607 734 3886 To Order Online www shophardinge com Corporate Home Page www hardinge com E mail info shophardinge com All specifications subject to change witho
25. nual B 26F Safety Recommendations continued USE CAUTION around exposed mechanisms and tooling especially when setting up Be careful of sharp edges on tools DON T USE worn or defective hand tools Use the proper size and type for the job being performed USE ONLY a soft faced hammer on tooling and fixtures DON T USE worn or broken tooling on machine MAKE CERTAIN that all tool mounting surfaces are clean before mounting tools INSPECT ALL CHUCKING DEVICES daily to make certain that they are in good operating condition Replace any defective chuck before operating the machine USE MAXIMUM ALLOWABLE gripping pressure on the chuck Consider weight shape and balance of the workpiece DON T EXCEED the rated capacity of the equipment DON T LEAVE the equipment unattended while it is operating DON T CLEAN the equipment with an air hose KEEP TOTE PANS a safe distance from the machine Don t overfill the tote pans DON T LET STOCK project past the back end of the collet closer or equipment spindle without being adequately covered and properly supported UNLESS OTHERWISE NOTED all operating and maintenance procedures are to be performed by one person To avoid injury to yourself and others be sure that all personnel are clear of the equipment when opening or closing the coolant guard door and any access covers FOR YOUR PROTECTION WORK SAFELY DON T OPERATE THE EQUIPMENT with damaged or worn electrical cables VERIFY
26. o prevent the head from shifting on the mill table when the part is subjected to heavy cutting forces On CNC mills a machined stepped plug of 0 500 12 7mm diameter on one side and 0 625 15 87mm on the other comes with the Hardinge head The 0 625 15 87mm diameter fits into the T slot of the mill table This will give quick parallel alignment that will be close enough for most jobs NOTE 0 625 15 87mm and 8mm plugs are supplied as standard Plugs can be turned down to another diameter to accommodate tables with different slot dimensions Part No BF 0009500 0126 Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com 19 20 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 3 Backlash Adjustment 3 1 Measuring Backlash Make sure the spindle clamp is released prior to attempting to measure backlash To measure backlash you need the use of a 0001 indicator and a magnetic V block or magnetic block Home the indexer as that is where backlash is checked at the Hardinge Factory Place the magnetic block on the indexer spindle face so that the top of the block is parallel to the machine bed and in line with the spindle centerline as shown in the picture Set up the indicator so that it is measuring the top of the magnetic block 2 inches from the center of the spindle Use a wrench or steel bar to move the spindle by placing it across 2
27. or programming errors MAKE CERTAIN that you are clear of any pinch point created by moving slides before starting the machine DON T OPERATE any equipment while any part of the body is in the proximity of a potentially hazardous area DON T REMOVE CHIPS with hands Use a hook or similar device and make certain that all machine movements have ceased BE CAREFUL of sharp edges when handling a newly machined workpiece DON T REMOVE OR LOAD a workpiece while any part of the equipment is in motion DON T OPERATE ANY EQUIPMENT while wearing rings watches jewelry loose clothing neckties or long hair not contained by a net or shop cap DON T ADJUST tooling or coolant hoses while the equipment is running DON T LEAVE tools workpieces or other loose items where they can come in contact with a moving component of the equipment DON T CHECK finishes or dimensions of workpiece near running spindle or moving slides DON T JOG SPINDLE in either direction when checking threads with a thread gage DON T ATTEMPT to brake or slow the equipment with hands or any makeshift device ANY ATTACHMENT TOOL OR MACHINE MODIFICATION not obtained from Hardinge Inc must be reviewed by a qualified safety engineer before installation Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part No BF 0009500 0126 BRS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Ma
28. pindle Push the collet in and turn the collet closer drawbar clockwise until proper collet tightness is obtained See Section 2 4 Chucks and face plates utilize the A2 5 spindle nose on the indexer Always make sure that the spindle and chuck or face plate are free of dirt and chips Align the chuck draw tube keyway with the spindle collet key and slide the chuck onto the spindle Turn the collet closer drawtube to engage the chuck Push the chuck tight to the spindle and tighten the chuck mounting bolts to the proper torque indicated in your chuck installation manual Use the collet closer drawtube to adjust the chuck for proper stroke required for ID and OD gripping Since the A2 5 spindle nose is such a tight tapered fit a face plate or 3 jaw chuck may be difficult to remove from the spindle even after the bolts are removed If this happens support the face plate or 3 jaw chuck with a hoist and lightly strike the outside diameter of the face plate or 3 jaw chuck with a piece of brass a plastic hammer or a rubber hammer so that nothing is damaged NOTE A hoist may be required to mount a 3 jaw chuck depending on the size of the chuck 2 3 Use of the Collet Closer The collet closer has a 1 634 41 5mm through hole design with pneumatic open and close The through hole can be used for through spindle coolant or for holding long parts The pneumatic closer has 625 15 87mm of stroke which allows the use of power chucks The air pressure can be
29. rtment 7 If using the Hardinge servo control secure it in required placement Do not cover any surface of the control as it will quickly overheat Do not place the unit on top of other hot electronic controls 7a Connect the two cables from the indexer to the controller in the appropriate locations CAUTION Never connect or disconnect these cables with the power on Instant failure will result 7b Connect the AC line cord to a 120V AC grounded receptacle The cord is a three wire ground type and the ground must be connected Power is 20VAC The power service must supply a minimum of 15 amps continuously Conduit wire must be 2 gauge or larger and fused for at least 20 amps If an extension cord is to be used use a three wire ground type and the ground line must be connected Avoid outlets that have large electric motors connected to them Use only heavy duty 2 gauge extension cords capable of 20 amp load Do not exceed a length of 30 feet Permanent installations should be hard wired or installed with locking plugs 7c Semi Fourth Axis Connect the remote interface cable See separate Hardinge Servo Control manual 8 Connect 85 psi of dry filtered air to the quick disconnect fitting on top of the indexer if using a collet closer or on top of the motor cover if not using a collet closer for releasing the spindle clamp Refer to section 1 4 CAUTION Never index the Rotary Table Indexer without 85 psi of dry filtered air connected to the
30. stem The Hardinge GD 16C2 and GD3J2 Rotary Table Indexers uses a high quality hardened gear system with a 60 1 ratio This type of gearing allows for an efficient forward driving capability motor side through the worm while at the same time preventing back driving from occurring by the applied cutting forces at the spindle side This is an important operating characteristic of the high ratio gear system since it adds stiffness into the machining operation This spindle is also equipped with a high torque pneumatic fail safe clamp which prevents chatter and adds a considerable amount of stiffness Stiffness or rigidity is one of the more important features of any system employed in the activity of machining operations and is the driving force for Hardinge engineered rotary systems 1 3 Machinable Part Size The Hardinge GD 16C2 and GD3J2 Rotary Table Indexers have been designed for those parts that can be conveniently clamped to the slotted face plate or that fit into a 16C collet Typical parts are in the range of approximately 5 127mm in diameter and generally not longer than 7 178mm without the use of a tailstock and are figured at a 50 duty cycle A typical cut is figured at 7 5 HP with face or end milling Larger part sizes than those described above can be handled with additional tailstock or trunnion support Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com Part
31. ty Step Chucks Extra Depth max capacity 3 Jaw Chucks diameter Sure Grip Expanding Collets Collet Style Sure Grip Expanding Collets Spindle Style Fixture Plate Spindle Mount diameter Fixture Plate Collet Style diameter Slotted Face Plate diameter Collet Stops part length control Notes maximum torque applied before slipping occurs 70 95 0 0002 40 0 001 to 300 50 Dual Angular Contact Bearings A2 5 6 000 152 4 0 001 025 15 5 0 001 9999 99 6 2 157 0 0 78 0 58 with Hardinge Servo Control 175 ft lb 237Nm 60 90 at full speed without tailstock 41 to 104 F 5 to 40 C 85 Relative Humidity 20Vac 60Hz I5A or 230Vac 50Hz 10A MOBILGEAR 600 XP 220 85 94 5 9 6 5 200 90 7 l6C 3 15 8 41 27 134 44 45 3 32 35 71 7 32 38 89 19 64 28 97 l 4 31 75 up to 6 152 4 up to 6 152 4 up to 6 152 4 5 6 8 and 10 6 8 and 10 2 4 12 70 101 60 1 2 4 12 70 101 60 1 2 4 3 17 101 60 51 2 139 70 87 8 225 42 5 2 139 70 87 8 225 42 63 8 161 92 10 254 00 10 254 00 YES YES Hardinge Inc One Hardinge Drive Elmira New York U S A 14902 1507 800 843 8801 Canada 800 468 5946 www shophardinge com 10 Part No BF 0009500 0126 BS HARDINgE GD16C2 and GD3 2 Rotary Table Indexers User Manual B 26F 7 Dimensions GD16C2 and GD3J2 Indexer Single Spindle Units for use with Hardinge Servo Control
32. ut notice All marks indicated by or are trademarks of Hardinge Inc Instruction Manual B 126F Litho in U S A Hardinge Inc 2013
33. when the indexer is in the horizontal position spindle pointing right or left are two drain holes If the indexer is to be mounted vertically drill and tap these holes for M5 set screws Seal the holes using M5 set screws and thread sealant Drill and tap a hole for a M5 set screw on the side of the motor cover parallel with the back mounting face of the indexer This will be the new drain hole for the indexer when it is mounted vertically If the indexer orientation is changed to horizontal mounting remove the two set screws and place one in the vertical mounting drain hole If this procedure is not followed the warranty will be void for any contamination in the motor cover THE 16C 3 DUAL AND TRIPLE UNITS CAN BE RUN IN THE HORIZONTAL POSITION ONLY The GD1I6C2 and GD3J2 Rotary Table Indexer spindle is based on the industry standard A2 5 spindle design that has been used in Hardinge lathe production for over a century The Hardinge engineered mechanical elements guarantee the spindle will be accurate repeatable reliable and flexible to suit many different machining applications The spindle carries a centerline from the machine bed of 6 00 152 4mm which is compatible with many other indexing products The spindle is hardened and ground for accuracy and has a rigid design with dual angular contact bearings to support heavy cutting forces Positioning of the spindle is accomplished through a self locking gear set 2 High Stiffness Overall Sy
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