MP7 - MP8 - MP9 probe systems - Installation and user's guide
Contents
1. o 32 SCREW TORQUE VALUES 33 FAULT FINDING 9eeme22e22m2uramenereeneee 35 APPENDIX 1 Adaptor and EXTENS ON Sierran ananena 38 APPENDIX 2 power supply Unit PSUS inican 39 APPENDIX 3 optical module machine OMM enciams 39 APPENDIX 4 MI 12 interface unit 40 APPENDIX 5 optical module interface OM minima 41 PARTS LIST siisssssississuessssesussrcunssssoissanassss 43 TYPICAL PROBE SYSTEMS A workpiece set up and inspection probe is in effect another tool see pages 39 and 41 in the system A probe cycle may be included at any stage of the OMM Optical module machine machining process OMP Optical module probe Signals are transmitted between the probe and the machine s OMI Optical machine interface control via the OMP and OMM MI 12 or alternatively the OMP and OMI Machine spindle OMI one only Mounting bracket oono CNC control amp Optional psus power supply unit i Shank size 25 50 CNC MP7 8 9 Battery MI 12 machine ot cover CNC control control robe P MI 12 interface unit SE or MI 12 board Probe head l Optional PSU3 i power supply unit Workpiece Optional psus Typical tool power supply unit setting probe MI 5 MI 8 or MI 8 4 interface unit TWO OMMs and REMOTE INDICATOR OMM TANDEM MOUNTING Installations with exceptionally long spindle travel may requi2. NO IS ERROR CLEAR AND STATUS READY YES OUTPUT ALARM WAIT 7 SECONDS SYSTEM FAULT MINIMUM y NO MP7 9 SPIN ON START y READ ERROR SIGNAL AND STATUS SIGNAL y IS ERROR PRESENT AND STATUS NOT READY YES SPIN PROBE AT 500 rev min FOR 1 SECOND i ORIENTATE PROBE TO FIXED POSITION FOR USE CLEAR AND STATUS LOW BATTERY SIGNAL y IS LOW BATTERY CLEAR YES PROBE READY FOR USE see page 28 OUTPUT ALARM LOW BATTERY y CALL OPERATOR MP8 SHANK SWITCH ON The flow chart is provided only as a guide Gauge moves are dependant on the control system MP8 START y mo INSERT PROBE IN MACHINE SPINDLE A y CALL OPERATOR READ ERROR AND STATUS A SYSTEM FAULT o TRANSMISSION IS ERROR INTERRUPTED CLEAR PROBE NOT READY YES y SYSTEM FAULT lt STYLUS IN CONTACT YES PROBE READY FOR USE see page 28 27 28 GAUGING MOVES FOR PROBE The flovv chart is provided only as a guide Gauge moves are dependant on the control system di p l SONOS ME OR US REGISTERS spin switch off RETUR
3. Shank translation i screw adjusters ge mm ball optional De Battery nana k SA See EE SSF Battery cover seal OMP Optical module probe S Enhanced trigger circuit Battery 7 x transmit LED Tx Stylus spring fe pressure adjustment Align head contacts 8 with OMP contacts 3 COLLISION PROTECTION optional Stylus A weak link is fitted between the probe and stylus to protect the probe in the event of excessive stylus overtravel 10 MP7 9 vvith CENTRE BALL ADJUSTMENT dimensions mm in TO FIT SHANR 1 Remove battery covers and battery 2 Remove adjusting plate 3 Fit shank and centre ball to probe 4 Set stylus on centre position see page 20 5 Replace battery and covers o Lock eee Socket low head screw washer M4 x 12 mm long four with optional ong four 8 mm ball Alternative 062 probe outputs Ed a Pull stud l not supplied by Renishaw ET Taper shank to suit machine a ut mac 8 90 31 Not supplied by Renishaw Centre ball pivot may be used lg A 3 3 0 12 35 OMP 47 5 1 87 58 9 2 32 70 OMP 45 1 1 77 60 8 2 39 Z Overtravel 8 0 31 X Y Overtravel 17 5 MP7 9 with ADJUSTING PLATE dimensions mm in TO FIT SHANK 1 Remove battery covers and battery 2 Fit shank to probe 3 Set stylus on centre position see page
4. 89 26 0 24 Stylus 215 50 1 97 long Other length styl dimensions mm in shank switch Dimension B see table opposite 7 13 0 28 Pull stud 14 25 9 56 Not supplied by Renishaw Typical taper shank may be used Le xa A Dimension A 35 OMP 47 5 1 87 63 0 2 48 see table opposite 70 OMP 45 1 1 77 64 9 2 55 GAUGE LINE Z Overtravel 8 0 31 X Y Overtravel 17 5 To save battery life the shank switch must NOT be depressed during the time the probe is held in the tool store It may be necessary to provide a storage location with a clearance Drive slot Thread for Pull Stud around the switch 14 MP8 PROBE SHANR UNITS dimensions mm in MP8 probe shanks available from Renishaw Please quote the Part No when ordering equipment Part No Description MP8 probe shank with battery Probe Shank Shank ISO Pimengipns and tool kit output specification taper size A 2033 6812 35 BT 40 A 2033 6704 35 BT 50 A 2033 7104 35 ANSI B5 50 1985 CAT 40 A 2033 0802 35 ANSI B5 50 1985 CAT 50 A 2033 6765 35 DIN 69871 40 A 2033 6771 35 DIN 69871 50 A 2033 7191 35 ANSI CAT MODIFIED 40 A 2033 0799 K 35 ANSI CAT MODIFIED 50 A 2033 6815 70 BT 40 A 2033 7192 70 BT 50 A 2033 0806 70 ANSI B5 50 1985 CAT 40 A 2033 0808 ANSI B5 50 1985 CAT 50 A 2033 6773 DIN 69871 40 A 2033 6778 70 DIN 6
5. 9 3 46 MPE1 100 3 94 30 F ith restricted b eatures with restricted access can be 30e OMP 87 4 3 44 MPE2 150 5 90 1 18 probed using an LP2 probe MPE3 200 7 87 The MA6 adaptor allows an LP2 probe to be used in place of the MP7 MP8 or MP9 probe head which is MP7 8 9 probe head replaced with substituted with an MA6 adaptor LPE extension LP2 probe MA6 LP2 Further reach is obtained by OMP MA6 LPE adding an LPE extension between 62 2 44 adaptor extension bar G25 0 98 LP2 proba au the MA6 adaptor and LP2 probe 25 35 OMP 87 9 3 46 98 LPE1 50 1 96 dimensions mm in 70 OMP 87 4 3 44 LPE2 100 3 94 LPE3 150 5 90 APPENDIX 2 PSU3 POWER SUPPLY UNIT The PSU3 is fully described in User s guide H 2000 5057 The PSU3 provides a 24 V supply for Renishaw interface units when a power supply is not available from the CNC machine control Front view TJ RENISHAVV 3 IR POWER SUPPLY UNIT PSU Power LED When the green LED is lit the power supply is on Rear view 85 2B4VAC 47 66Hz 25W P EQUIPMENT MUST BE EARTHED NOJUSER SERVICEABLE PARTS INSIDE Mains switch On Off 39 APPENDIX 3 OMM OPTICAL MODULE MACHINE The OMM is fully described in User s guide H 2000 5044 KEEP WINDOW CLEAN To fully maintain effective signal transmission Red LED Lit when power is on LEDs x 3 Transmit infra red control sig
6. alarm MP7 8 9 STYLUS ON CENTRE ADJUSTMENT USING ADJUSTING PLATE Stylus alignment with the spindle s centre line need only be approximate except in the following circumstances 1 When probe vector software is used 2 When the machine control software cannot compensate for an offset stylus 3 The stylus must be parallel to the spindle axis to prevent stylus stem contact against the side of deep holes see page 20 How to check stylus position Mount the probe in the machine spindle and use one of the following procedures 1 Rotate stylus close to a reference surface check if the gap is constant 2 Rotate stylus against low force dial test indicator which does not unseat the probe 3 Use method advised by machine tool supplier Adjustment 1 If adjustment is required remove the battery covers and battery 2 Slacken the two probe shank clamping screws half of one turn so that the disc washers maintain a slight clamping grip ia 3 There are four adjusting screws A Scraws Each will move the probe relative to the shank in the X or Y direction as pressure I is applied Tighten individually Two clamping screws Back off after each movement 4 When stylus target position is obtained an D mo tighten all screws see page 33 MP7 8 9 5 Replace battery and battery covers 20 MP7 MP9 STYLUS ON CENTRE ADJUSTMENT USING CENTRE BALL OPTIONAL Stylus alignment see page 19 The centre ball i
7. probe systems o eeoea2eooeee 5 Two OMM s and remote indicator 6 System performance cceeeeeeeeees 7 Operating envelope eee 8 Probe features cecseeeseeeeeeeeeeteeeeeaee 9 MP7 9 with centre ball adjustment 10 MP7 9 with adjusting plate 11 MP7 9 with adjusting plate and taper SNANK 0 0 cece eeeeeeeeeeeeeeeeeeeeees 12 MP8 with adjusting plate and taper shank resa atesa sessed 13 MP8 probe shank units 14 MP7 8 9 enhanced trigger circuit 15 MP7 8 9 stylus spring pressure adjustment zenit ntttegiei 16 MP7 8 9 battery covers and battery 17 MP7 8 9 stylus on centre adjustment using adjustment plate 19 MP7 8 9 stylus on centre adjustment USING Centre Ball weiccecccccscsrecseeseeeeteverseieses 20 OPERATION Probe MOVES tes Mies te AL 21 Software requirements e ee 22 Software for machining centres simple to use canned cycles for basic features 23 MP7 8 9 modes of operation 020 MP7 8 9 switch on switch off 25 MP7 9 SPIN ON sses 26 MP8 shank switch On sssssssesseeeeeen 27 Gauging moves for probe 28 MP7 SPiN Oloirien aoai 29 SERVICE and MAINTENANCE 30 Weak link for styli with steel shaft 30 Diaphragm inspection eee 31 Diaphragm replacement
8. 19 4 Replace battery and covers Disc washer Socket head screw M4 x 12 mm long two 70 OMP shown Alternative probe outputs 22 2 as O48 0 87 2 44 Adjusting 51 89 Pull stud not supplied by Renishaw Typical Stylus taper 50 1 97 long aA el shank Other length styli f may be used A Dimensions A and B A see table opposite 35 OMP 47 5 1 87 63 0 2 48 a 70 OMP 45 1 1 77 64 9 2 55 GAUGE LINE Z Overtravel 8 0 31 X Y Overtravel 17 52 12 MP7 9 vvith ADJUSTING PLATE and TAPER SHANR Shank manufacturing details dimensions mm in Shank mounting X For reference only Four holes M4 x 0 7 A see page 19 e qui spaced B Pull Stud not supplied El by Renishaw Sl v i p Eao X Two holes M4 x 0 7 x 10 deep 7 0 27 3 4 12 GAUGE LINE Shanks available from Renishaw Please quote the Part No when ordering equipment DIN 69871 M 2033 6637 M 2033 6636 M 2033 6635 19 1 19 0 0 752 0 748 19 1 19 0 0 752 0 748 ANSI B5 50 1985 CAT M 2033 7031 M 2033 7032 M 2033 7033 19 1 19 0 0 752 0 748 19 1 19 0 0 752 0 748 19 1 19 0 0 752 0 748 19 1 19 0 0 752 0 748 BT M 2033 6445 M 2033 6446 M 2033 6447 27 1 063 33 1 299 38 1 496 MP8 vvith ADJUSTING PLATE and TAPER SHANR 70 OMP shown 48 0 87 21
9. 9871 50 A 2033 0803 70 ANSI CAT MODIFIED 40 A 2033 0805 70 ANSI CAT MODIFIED 50 A These kits are more commonly used These shank specifications are for certain Cincinatti Milacron machines Generally to ANSI B5 50 1985 CAT but with a metric thread for the pull stud MP7 8 9 ENHANCED TRIGGER CIRCUIT Only qualified persons should change settings Probes subjected to high levels of vibration or shock loads may release spurious readings The enhanced trigger circuit improves the probes resistance to these effects To enable or disable the enhanced trigger circuit remove the probe head to gain access to the wire link Then manually transfer the link Grease O ring from SKT 1 2 disabled to before refitting head SKT 3 2 enabled or vice versa When the enhanced trigger circuit is changed from enabled to disabled or vice versa the probe output delay is changed therefore it is essential the probe be recalibrated prior to its first use using the software routines shown on page 23 SOCKET SKT 1 2 OR TAKECARE SOCKET SKT 3 2 KEEP ALL COMPONENTS CLEAN DO NOT ALLOVV COOLANT OR PARTICLES TOENTER THE PROBE DONOT TOUCHELECTRONIC MP7 and MP9 Factory set Disabled SKT 1 2 SETTINGS MP8 Factory set Enabled SKT 3 2 COMPONENTS WHEN CHANGING 16 MP7 8 9 STYLUS SPRING PRESSURE ADJUSTMENT Gauging Force Spring pressure within the probe causes the stylus to si
10. Installation and user s guide H 2000 5085 02 I apply innovation 2003 2004 Renishaw All rights reserved This document may not be copied or reproduced in vvhole or in part or transferred to any other media or language by any means without the prior written permission of Renishaw The publication of material within this document does not imply freedom from the patent rights of Renishaw ple Renishaw part no H 2000 5085 02 I Issued 11 2004 Disclaimer Considerable effort has been made to ensure that the contents of this document are free from inaccuracies and omissions However Renishaw makes no warranties with respect to the contents of this document and specifically disclaims any implied warranties Renishaw reserves the right to make changes to this document and to the product described herein without obligation to notify any person of such changes Trademarks Renishaw and the probe emblem used in the RENISHAW logo are registered trademarks of Renishaw plc in the UK and other countries apply innovation is a trademark of Renishaw ple All brand names and product names used in this document are trade names service marks trademarks or registered trademarks of their respective owners Installation and user s guide MP7 MP8 MP9 probe systems CE FCC DECLARATION USA FCC Section 15 19 This device complies vvith Part 15 of the FCC rules Operation is subject to the following two co
11. N TO gt START POSITION gt MP7 see page 29 for spin off cycle MEASURING cega NE MOVE TO TARGET OPTIONAL RECOVERY MP8 LOOP RETURN TO START POSITION gt To switch probe off YES return probe to tool y magazine NO IS NO IS TARGET STYLUS l REACHED 2 DEFLECTED 2 y MP9 in YES timer switch off y y RETURN TO START POSITION 7 READ AND Atimer switches OUTPUT ALARM STORE gt probe off INTERRUPT Note Stylus trigger NO TRIP OCCURRED POSITION resets OMP timer gt Y gt gt Gauge moves are dependant on the control system OUTPUT ALARM SYSTEM FAULT y CALL OPERATOR END IS ERROR PRESENT AND STATUS NOT READY YES MP7 SPIN OFF The flow chart is provided only as a guide START y READ ERROR SIGNAL AND STATUS SIGNAL WAIT 7 SECONDS MINIMUM NO SPIN PROBE AT 500 rev min FOR 1 SECOND IS ERROR PRESENT AND STATUS NOT READY PROBE OFF 29 30 SERVICE and MAINTENANCE SAFETY SWITCH POWER OFF WHEN WORKING INSIDE ELECTRICAL COMPONENTS THE PROBEIS A PRECISION TOOL HANDLE WITH CARE ENSURE THE PROBE IS FIRMLY SECURED IN ITS MOUNTING Although Renishaw probes require little maintenance the performance of the probe will be adversely affected if dirt chips or liquids are allowed to enter the sealed working parts Therefore keep all components clean and free fr
12. OMI is powered Green Probe is seated Red Probe is triggered or an error has occurred The change of colour of this LED will coincide with the probe status output devices changing state 6 LED red ERROR Lit when an error condition exists i e optical beam obstructed probe out of optical range probe has switched off or battery is exhausted When an error condition exists the probe status output will be held in a triggered state and the probe status LED will be RED The error LED illuminating will coincide with the error output device changing state Type PARTS LIST Part No 43 Please quote the Part No when ordering equipment Description MP7 system MP7 system MP7 system MP7 system MP7 probe MP7 probe MP8 probe MP9 system MP9 system MP9 system MP9 system MP9 probe MP9 probe Software A 2033 6410 A 2033 6411 A 2115 0020 A 2115 0021 A 2033 0700 A 2033 0701 A 2034 6001 A 2034 6002 A 2115 0022 A 2115 0023 A 2034 0035 A 2034 0036 MP7 35 probe battery stylus 6 mm ball x 50 mm long OMM mounting bracket MI 12 interface and tool kit MP7 70 probe battery stylus 6 mm ball x 50 mm long OMM mounting bracket MI 12 interface and tool kit MP7 35 probe battery stylus 6 mm ball x 50 mm long OMI mounting bracket and tool kit MP7 70 probe battery stylus 6 mm ball x 50 mm long OMI mounting bracket and tool kit MP7 35 probe adjust
13. f Dead battery Change battery Battery installed incorrectly Check battery installation Probe not properly aligned with OMM OMI Beam obstructed Check alignment and if OMM OMI fixing is secure Check if OMM OMI window is clean remove obstruction OMM OMI signal too weak See page 8 No OMI start signal See page 41 Check if stable 24 V supply is available Check connections and fuses No power to MI 12 or OMI PROBE STOPS IN MID CYCLE Beam obstructed Remove obstruction Probe collision Find cause and rectify Check cables Damaged cable Power supply lost Check power supply Probe unable to find target surface Part missing or out of position See performance envelope Check OMI MI 12 error LED PROBE CRASHES Inspection probe using toolsetting probe signals When two systems active isolate tool setting probe Workpiece obstructing Review probe software probe path Probe length offset missing Review probe software POOR PROBE REPEATABILITY Debris on part Clean part Tool change repeatability poor Verify probe repeatability using single point move Loose mounting of probe on shank loose stylus Check and tighten as appropriate Probe orientated 180 Verify probe position from calibrated check on centre setting position or due to M19 orientation Calibration and update of offsets not occurring Review probe software Calibrati
14. ing plate battery 8 mm centre ball amp tool kit MP7 70 probe adjusting plate battery 8 mm centre ball amp tool kit See page 14 MP9 35 probe battery stylus 6 mm ball x 50 mm long OMM mounting bracket MI 12 interface and tool kit MP9 70 probe battery stylus 6mm ball x 50 mm long OMM mounting bracket MI 12 interface and tool kit MP9 35 probe battery stylus 6 mm ball x 50 mm long OMI mounting bracket and tool kit MP9 70 probe battery stylus 6 mm ball x 50 mm long OMI mounting bracket and tool kit MP9 35 probe adjusting plate battery 8 mm centre ball amp tool kit MP9 70 probe adjusting plate battery 8 mm centre ball amp tool kit SOFTWARE Probe software for machine tools See Data Sheet H 2000 2289 44 Type PARTS LIST Please quote the Part no vvhen ordering equipment Part no Description Stylus Weak link kit Weak link Spanner Battery TK OMM O M I Mtg brkt MI 12 MI 12 B Panel mtg PSU3 MPE1 MPE2 MPE3 MA6 LPE1 LPE2 LPE3 A 5000 3709 A 2085 0068 M 2085 0069 P TLO9 0003 P BT03 0001 A 2053 7531 A 2033 0576 A 2115 0001 A 2033 0830 A 2075 0142 A 2075 0141 A 2033 0690 A 2019 0018 A 2033 657 1 A 2033 6595 A 2033 6667 A 2063 7774 A 2063 7001 A 2063 7002 A 2063 7003 ACCESSORIES PS3 1C ceramic stylus 6 mm ball x 50 mm long Styli are fully listed in Renishaw styli guide H 1000 3200 Weak link kit comprising two sty
15. lus weak link stems and spanner Stylus weak link stem Spanner for stylus weak link stem 9 V alkaline battery Probe tool kit for MP7 8 9 comprising 1 98 mm stylus tool Hexagon keys 1 5 mm 2 0 mm 2 5 mm 3 0 mm and 4 0 mm AF OMM complete with cable 5 1 mm x 25 m 0 2 in x 82 ft O M I complete with cable 8 m long 26 2 ft OMM O M I mounting bracket with fixing screws washers and nuts MI 12 interface unit MI 12 interface board Panel mounting kit for MI 12 interface unit PSU3 power supply unit 85 264 V input EXTENSIONS and ADAPTOR MPE1 extension housing 62 x 100 mm long with holding screws MPE2 extension housing 62 x 150 mm long with holding screws MPE3 extension housing 62 x 200 mm long with holding screws MA6 Adaptor allows LP2 probe to be used in place of MP7 8 9 probe LPE1 extension bar 25 x 50 mm long LPE2 extension bar 25 x 100 mm long LPE3 extension bar 925 x 150 mm long Renishaw plc T 44 0 1453 524 524 New Mills Wotton under Edge F 44 0 1453 524 901 REN IS H AVV D Gloucestershire GL12 8JR E uk renishaw com United Kingdom www renishaw com apply innovation For worldwide contact details please visit our main website at www renishaw com contact H 2000 5085 02
16. nals to the probe Green LED Lit when signal is received from the probe Yellow LED Lit when the MI 12 sends a start error reset signal to the probe 40 APPENDIX 4 MI 12 INTERFACE UNIT The MI 12 is fully described in User s guide H 2000 5073 SHAW RENI oy MACHINE INTERFACE OOO00 ERROR LOW PROBE POWER START MI 12 Li MI 12 B E 1 Audible indicator bleeper The speaker is behind the front panel 2 LED error Lit when optical beam obstructed probe out of range probe switched off etc 3 LED low battery Replace probe battery as soon as practicable after this LED lights up 4 LED probe status Lit when probe is seated Off when stylus is deflected or an error has occurred 5 LED power Lit when power is on 5 Start button switch SW1 Manual start push button Press button to switch system to operating mode Alternatively a signal from the machine control can be used for the same APPENDIX 5 41 OMI OPTICAL MACHINE INTERFACE The OMI is fully described in User s guide H 2000 5062 1 LED yellow START signal status Lit when a START signal is transmitted to the probe This LED will either flash once when a machine controlled START signal is commanded or flash continuously at one second intervals when the system is set to Auto start mode and is awaiting a probe transmission signal 2 LED red yellow green Infra
17. nditions 1 This device may not cause harmful interference 2 This device must accept any interference received including interference that may cause undesired operation FCC Section 15 105 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 you will be required to correct the interference at your own expense FCC Section 15 21 The user is cautioned that any changes or modifications not expressly approved by Renishaw plc or authorised representative could void the user s authority to operate the equipment FCC Section 15 27 The user is also cautioned that any peripheral device installed with this equipment such as a computer must be connected with a high quality shielded cable to insure compliance with FCC limits Installation and users guide MP 7 8 9 PROBE SYSTEMS The probe touch trigger mechanism and operating envelope are common to all types Hovvever to suit different operational
18. obe signal delay The speeds will be limited by the ability of the machine tool control system to process the probe interface signal and bring the machine to a halt within the probe overtravel limits There is a nominal delay of 140 us with a repeatability of 2 us for each interface from the time the probe actually operates to the MI 12 OMI interface indicating a probe change of state Activating the enhanced trigger circuit will add a further nominal 7 milliseconds SOFTWARE REQUIREMENTS VERIFY YOUR SOFTWARE 1 1 Does your software have calibration routines which compensate for stylus on centre errors If not you must set the probe stylus on centre mechanically Note When using probe styli which are not on spindle centre Spindle orientation positioning repeatability is important to avoid probe measurement errors 1 2 Does your software compensate for probe triggering characteristics in all measuring directions 2 1 JOB SET UP REQUIREMENTS Does the software automatically adjust the program co ordinate system to the relevant set up feature on the component 3 1 INSPECTION REQUIREMENTS Simple to use canned cycles for standard features Bore Boss Web Pocket Single Surface Simple to use canned cycles for optional features Angle Measurement Vector 3 Point Bore Boss Vector Single Surface Good software will allow the following functions Update work co ordinate systems for positioning Report measured
19. om grease and oil Periodically check cables for signs of damage corrosion or loose connections WEAK LINK FOR STYLI WITH STEEL SHAFT Optional In the event of excessive stylus overtravel the weak link stem is designed to break thereby protecting the probe from damage Fitting stylus with weak link onto probe To remove a broken stem Take care to avoid stressing the weak link during assembly see page 33 Weak link stem 8 ee BQ y 4 Note THE WEAK LINK IS NOT USED WITH CERAMIC SHAFT STYLI DIAPHRAGM INSPECTION PROBE DIAPHRAGMS The probe mechanism is protected from coolant and STYLUS HOLDER debris by two diaphragms these provide adequate protection under normal working conditions The user should periodically check the outer diaphragm for signs of damage and coolant leakage If this is evident replace the outer diaphragm The outer diaphragm is resistant to coolant and oils However if the outer diaphragm is damaged the inner diaphragm could become weakened with prolonged immersion in certain coolants and oils The user must not remove the inner diaphragm If damaged return the probe to your supplier for repair WARNING NEVER ATTEMPT TO REMOVE DIAPHRAGM WITH METAL OBJECTS OUTER DIAPHRAGM Lightly grease here 31 32 OUTER DIAPHRAGM INSPECTION 1 Remove the stylus 2 Unscrew the front cover 3 Inspect outer diaphragm for damage 4 To remove outer diaphragm grip nea
20. on and probing speeds not the same Review probe software Calibrated feature has Check position moved Measurement occurs Review probe software as stylus leaves surface 36 FAULT FINDING If in doubt consult your probe supplier POOR PROBE REPEATABILITY continued Probing occurs within the machine s acceleration and deceleration zones Probe feedrate too high Temperature variation causes excessive machine and workpiece movement Machine has poor repeatability due to loose encoders tight slideways and or accident damage Review probe software Perform simple repeatability trials at various speeds Minimise temperature changes Increase frequency of calibration Perform health check on machine PROBE FAILS TO SWITCH OFF Probe in time out mode Probe placed in carousel during time Wait 3 min 1 min 10 sec for probe to switch off User lighter styli Review use of time out out mode can be reset mode by carousel activity PROBE STATUS LED FAILS TO ILLUMINATE Battery installed Check battery installation incorrectly MI 12 POWER LED FAILS TO ILLUMINATE WITH POWER ON Faulty electrical contact Check all connections Fuse blown Locate and replace blown fuse Incorrect power supply Ensure power supply is is 24 Vdc MI 12 LOW BATTERY LED REMAINS ILLUMINATED Battery Installed incorrectly Check battery installation Battery dead Replace batter
21. r the middle and pull upwards INNER DIAPHRAGM INSPECTION 5 Inspect inner diaphragm for damage If damaged return the probe to your supplier for repair DO NOT REMOVE INNER DIAPHRAGM OUTER DIAPHRAGM REPLACEMENT 6 Screw tool fully into stylus holder 7 Fit new diaphragm 8 The diaphragm must locate centrally in the stylus holder groove 9 Press diaphragm to expel trapped air 10 Remove tool 11 Lightly smear medium grease on front cover lower surface Then refit cover and tighten 12 Refit stylus 33 SCREW TORQUE VALUES Nm Ibf ft 3 mm AF 3 Nm 2 21 Ibf ft 1 5 3 5 NM 1 1 2 6 Ibf ft MP7 MP9 mm ball optional 2 5 mm AF 1 5 Nm 1 10 Ibf ft L FAN NN Align ti Pe Weak link S contacts Optional PNS 7 mm AF ne we 1 Nm 0 74 Ibf ft j 3 mm AF 3 Nm 2 21 Ibf ft 25 mm AF 2 Stylus 1 47 Ibf ft i ps to 1 1 Nm 0 8 Ibf ft 34 SCREW TORQUE VALUES Nm Ibf t 2 5 mm AF 1 5 Nm Screw M3 x 8 mm long 1 10 lft asher s Align electrical i contacts extension housing LP2 probe 2 A Align electrical contacts LPE extension MA6 bar C spanner Normal l 1 12 Nm Align electrical connection We 7 37 8 84 Ibf ft contacts i Maximum HOLD 20 Nm 14 74 Ibf ft i Automatic electrical 35 FAULT FINDING If in doubt consult your probe supplier PROBE FAILS TO SWITCH ON Probe is already If necessary switch switched on probe of
22. re a second OMM to cover signal reception over the full working envelope of the probe The reception cones of OMM 1 and OMM 2 overlap so they act as one receiver REMOTE INDICATOR When the probe contacts a surface an MI 12 LED changes state anda bleep is emitted If the MI 12 is hidden from the operator a remote lamp or bleeper may be placed in a position where it is easily seen or heard t Spindle travel Remote indicator OMM TWIN MOUNTING Each spindle of a twin spindle machine can accept a probe Although both OMM 1 and OMM 2 are switched on only one probe may be used at any one time SYSTEM PERFORMANCE PROBE REPEATABILITY Maximum 2 sigma 26 value Repeatability of 1 0 um 40 pin is valid for test velocity of 480 mm min 1 57 ft min at stylus tip using stylus 50 mm 1 97 in long STYLUS TRIGGER FORCE Set at factory using stylus 50 mm 1 97 in long X and Y trigger forces vary around the stylus seating X Y direction lowest force 0 75 N 75 gf 2 64 ozf X Y direction highest force 1 4 N 140 gf 4 92 ozf Z direction force 4 2 N 420 gf 14 83 ozf STYLUS OVERTRAVEL See page 21 OPTICAL SIGNAL RANGE Minimum 10 mm 0 39 in Maximum 3 metres 9 84 ft ENVIRONMENT PROBE OMP OMM MI 12 INTERFACE OMI PSU3 TEMPERATURE 10 Cto70 C 14 F to 158 F Storage 5 C to 50 C 41 F to 122 F Operating OPERATING ENVELOPE Natural reflective s
23. red SIGNAL strength received from probe As long as there is power to the system this LED will always be lit It is a tri colour LED and indicates as follows Red Yellow Green Note Signal received from the probe is either too weak or not there at all i e no signal Signal received is marginal i e The OMI is at the edge of its operating envelope Correct operation in this region cannot be guaranteed Signal received is good and system will operate correctly 1 During a start transmission the SIGNAL LED will change through red to yellow and green This is the normal power up sequence 2 The SIGNAL LED will flash yellow or green if optical interference is being received whilst the probe is not transmitting 42 3 LED clear x 3 These LEDs transmit infra red control signals to the probe LED red LOW BAT VVhen the OMP battery voltage falls below a set level the low battery output device changes state and causes the LOW BAT LED to commence flashing on and off 4 times per second Replace the OMP battery as soon as is practicable after the LED starts flashing KEEP WINDOW MAGNETIC LABEL RENISHAW CLEAN To fully maintain effective signal transmission To assist the machine operator a summary of OMI LED activity is provided on a magnetic label which may be attached to the machine tool LED red green PROBE STATUS This bi colour LED is lit when the
24. requirements each type incorporates a unique probe switch on switch off method MP7 Spin on spin off MP8 Shank pressure switch on switch off MP9 Spin on timer off MP7 MP9 CENTRIFUGAL SWITCH The centrifugal switch incorporated in MP7 and MP9 probes rattles when the probe body is shaken This is quite normal and should not be the cause of any concern WARRANTY CARE OF THE PROBE Keep system components clean and treat the probe as a precision tool CHANGES TO EQUIPMENT Renishaw reserves the right to change specifications without notice PROBE IP RATING X8 CNC MACHINE CNC machine tools must always be operated by competent persons in accordance with manufacturers instructions PATENT NOTICE Features of MP7 8 9 probes and features of similar probes are the subjects of the following patents and or patent applications Equipment requiring attention under warranty EP 0390342 JP 2 945 709 US 5 040 931 must be returned to your supplier No claims will EP 0695926 US 5 669 151 be considered where the probe has been misused or repairs or adjustments have been attempted by unauthorised persons SAFETY ELECTRICAL OPERATOR Only qualified persons should adjust switches or replace fuses Remove the mains supply from units before removing covers MP8 probes should only be rotated by hand or standard spindle orientation when mounted in the machine spindle Contents SYSTEM INSTALLATION Typical
25. s used for applications where the stylus stem must be parallel with the spindle centre line The probe body pivots on a centre ball which allows the stylus stem to be set parallel to the side of a bored hole to avoid stem contact Centre ball How to check stylus position See page 19 Adjustment 1 If adjustment is required remove the battery covers and battery 2 Slacken and adjust the four probe shank screws to realign the probe head 4 When the stylus target position is obtained tighten all screws see page 33 5 Replace the battery and battery covers ALL MP7 and MP9 PROBES IF A PROBE SHANR UNIT IS ACCIDENTALLY DROPPED IT SHOULD BE CHECRED FORON CENTRE POSITION lt Reference Surface DO NOT HIT OR TAP THE PROBE TO ACHIEVE ON CENTRE ADJUSTMENT PROBE MOVES A probe trigger signal is generated when the probe is in the operating mode and the stylus is driven against a surface and is deflected The machine control records the probe contact position and instructs machine motion to stop High probing speeds are desirable however a probing velocity must be chosen which allows the machine to 110 2 mm stop within the limits of stylus overtravel Follow feed rate guidelines given by supplier 862 mm To ensure a trigger signal is given 02 24 in 4 drive the probe against the workpiece to a targe
26. sizes and update tool offsets for automatic tool offset compensations Print data in the form of an inspection report to an external PC printer Set tolerances on features 23 SOFTWARE for MACHINING CENTRES Simple to use canned cycles for basic features CALIBRATION INSPECTION Probe XY offset Bore and boss calibration measure Web and pocket measure Stylus ball radius calibration Probe length J i calibration Le I PROBE COLLISION PROTECTION DD TOOL SETTING PROBE Length setting rotating and non 4 Inspection print out rotating hi os XYZ single surface position COMPONENT No 1 OFFSET NO NOMINAL TOLERANCE DEVIATION FROM COMMENTS DIMENSION NOMINAL 99 1 5000 1000 0105 97 200 0000 1000 2054 OUT OF TOL Diameter setting rotating Broken tool 24 SOFTWARE for MACHINING CENTRES Simple to use canned cycles for additional features INSPECTION Bore and boss three point Angled web and pocket measure Stock allowance nd SS Bore and boss on PCD 4th axis measure Ab an Feature to feature measure 25 MP7 8 9 MODES of OPERATION Probe povver on off Probe power switch on off only occurs when the probe is located in the machine s spindle Modes of operation Probes have two modes of operation 1 Stand by mode The OMP uses a small current
27. t beyond the expected surface but within the limits of stylus overtravel After the probe stylus touches the surface reverse clear of the surface Probe gauging moves should be made at constant speed Stylus overtravel limits X Y Z 21 5 mm 0 84 in 8mm Single and double touch Stylus I F length If the probe operating sequence is based on a single touch then the 50 mm probe may be returned to its start 1 96 in point following a gauging move 100 mm 3 93 in 36 5 mm 1 43 in 21 22 PROBE MOVES Single and double touch continued With some types of controllers it is an advantage to use the two touch method The first move finds the surface quickly The probe is then reversed to a position clear of the surface before making the second touch at a slower feed rate thereby recording the surface position at a higher resolution Gauging speed Gauging speeds are not limited by the transmission system delay which has a repeatability of less than 2 us System delays are constant for each direction measurement is taken These delays are automatically cancelled out and need not be taken into account provided a datum move is made in the same direction and velocity as each measurement move Signal delay times 1 Error signal delay A delay of 48 ms maximum for the OMM MI 12 or 41 ms maximum for the OMI will elapse between an error occurring and the output indicating error 2 Pr
28. t in one unique position and return to this position following each stylus deflection Stylus pressure is set by Renishaw Locknut 7 mm AF The user should only adjust spring pressure in special circumstances e g excessive machine vibration or Adjusting screw insufficient pressure to support the stylus weight To adjust spring pressure remove the probe head to gain access to the spring pressure adjusting screw Slacken the locknut and turn the adjusting screw anticlockwise to reduce pressure more sensitive or clockwise to increase pressure less sensitive A stop prevents damage which could be caused by overtightening the adjusting screw Finally tighten the locknut to 1 Nm 0 74 Ibf ft and replace the probe Stop head Align contact pins before ENSURE THAT THE OMPIS KEPT CLEAN connecting probe head DO NOT ALLOW COOLANT OR PARTICLES TOENTERTHE PROBE STYLUS SPRING PRESSURE ADJUSTMENT AND USE OF STYLI OTHER THAN DO NOT rotate probe head CALIBRATION STYLUS TYPE MAY CAUSE hen located in OMP housing REPEATABILITY TO DIFFER FROM THE TEST CERTIFICATE RESULTS MP7 8 9 BATTERY COVERS and BATTERY 5 Battery cover Battery IMPORTANT Insert battery as shown on label DO NOT leave exhausted battery in probe Dispose of exhausted batteries in 3 accordance vvith local regulations Battery To replace exhausted battery remove cover To replace battery covers 1 Slacken screws 1 and remove batter
29. urfaces within the machine may increase the signal transmission range Coolant residue accumulating on the OMP diodes and OMM or OMI window will have a detrimental effect on transmission performance Wipe clean as often as is necessary to maintain unrestricted transmission Operation in temperatures of 0 C to 5 C or 50 C to 60 C 32 F to 41 F or 122 F to 140 F will result in some reduction in range WARNING If two systems are operating in close proximity take care to ensure that signals transmitted from the OMP on one machine are not received by the OMM or OMI on the other machine and vice versa OMM and OMI POSITION To assist finding the optimum position of the OMM during system installation signal strength outputs are available on the MI 12 interface OMI signal strength is displayed on an OMI multi coloured LED BATTERY MDuracell MN1604 Storage Short term 30 C to 70 C 22 F to 158 F Long term 5 C to 40 C 41 F to 104 F TEMPERATURE Operating Operating life 10 C to 40 C 50 F to 104 F See page 18 Shelf life 2 1 2 years at 20 C 68 F Duracell Trademark of Duracell Batteries Ltd OPERATING ENVELOPE for MP7 8 9 PROBES with 35 or 70 OUTPUT a lt x OMP D Te LK Optical centre line Qi H O On L Spindle travel Beams must always overlap PROBE FEATURES MP7 MP9 On centre adjusting plate
30. while passively waiting for the MP7 MP8 and MP9 time delays switch on signal 2 Operating mode Activated by one of the methods described below Probe signals are Following probe switch on a minimum 7 seconds must elapse before switch off A further minimum 7 seconds must elapse before the probe can be switched on again only transmitted during the operating mode SWITCH ON SWITCH OFF MP7 and MP9 Spin the probe for a minimum one second and a maximum 4 seconds at 500 rev min 10 A centrifugal switch switches the probe on MP7 Spin the probe for a minimum one second and a maximum 4 seconds at 500 rev min 10 to switch the probe off MP9 A timer allows the probe to remain on for 3 minutes 1 min 10 sec The timer will be reset for a further 3 minutes probe available each time the stylus is triggered during its operating cycle Following a clear 3 minutes after switch on or 3 minutes after the last probe trigger the system times out and switches the probe off MP8 A pressure switch incorporated in the shank automatically switches the probe on whenever the shank is placed in the machine spindle MP8 The shank switch is released and switches the probe off when the probe is removed from the machine spindle The shank switch must not be held depressed during storage in the tool changer 26 The flovv chart is provided as a guide only Gauge moves are dependant on the control system
31. y 37 FAULT FINDING If in doubt consult your probe supplier PROBE IS TRANSMITTING SPURIOUS READINGS Damaged cables Electrical or optical interference System malfunctioning or inducing intermittent xenon beams Poorly regulated power correctly regulated power supply Excessive machine vibration Check and replace cable if damage is found Move transmission cables away from other cables carrying high currents Shield from intense light sources e g errors Electrically isolate OMM from the machine to prevent any possibility of earth loop Ensure there are no arc welders stroboscopes or other high intensity light sources in close proximity to the probe system Ensure power supply is Eliminate vibration Loose mountings or styli Check and tighten loose connections PROBE FAILS TO RESEAT CORRECTLY Probe trigger occurred Move stylus clear of on reseat workpiece Inner and or outer probe Inspect replace outer diaphragm is damaged diaphragm inner diaphragm Return to supplier if is damaged 38 APPENDIX 1 ADAPTOR and EXTENSIONS A maximum of one extension housing or extension is permitted per installation OMP MPE Probe head EXTENSION HOUSING 62 2 44 extension 62 2 44 Extension housings allow deeper housing access into workpiece features i IE Extension housings fit between Shank i 4 l A a the OMP and probe head ADAPTOR EXTENSION BAR 35 OMP 87
32. y 4 Check that battery cover seals are seated cover 2 and lubricate seals lightly with a mineral oil 2 Remove battery 3 or grease Do not remove second cover to change 5 Replace cover 5 with Renishaw logo battery 6 Replace battery with polarity as shown on label Probe shank mounting and stylus on centre 7 Replace battery cover 1 with battery symbol adjustment remove second cover Tighten battery cover screws to 1 1 Nm 3 Remove screw 4 and battery cover 5 0 8 Ibf ft see page 19 MP7 8 9 BATTERY LIFE EXPECTANCY Alkaline battery Duracell type MN 1604 or equivalent 5 USAGE 72min day CONTINUOUS LIFE STAND BY LIFE MP7 MP8 MP7 MP8 MP9 Minimum Typical Typical Minimum Typical Typical Typical 458 days 764 days 42 days 70 days 33 days 50 days Probe battery Typical battery reserve life Power for the probe is supplied by a Type Using an alkaline battery at 5 usage PP3 9V battery the probe will typically continue to operate for 8 hours after the MI 12 OMI low Battery LED lights up Low battery indication When MI 12 or OMI low battery LED lights up battery voltage is low and the end of useable battery life is approaching The probe will revert to the stand by The low battery LED will only light up during mode after changing the battery the probe operating mode see APPENDIX pages 40 and 42 The machine control may also be programmed to flag up a low battery
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