TP20 user's guide - Renishaw resource centre
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1. RENISHAW apply innovation TP20 user s guide http www renishaw com Mounting M CR20 onto the CM M To mount the MCR20 probe module change rack onto your CMM carry out the following procedure A CAUTION For optimum crash protection it is recommended that the MCR20 is mounted as close as possible to the extreme edge of the CMM s operating envelope 1 Place the location piece in the desired position on the CMM table and secure in place using the M8 M10 bolt and washer supplied Using the appropriate Allen key supplied fully hand tighten the M8 M10 bolt into the threaded insert within the CMM table 2 Mount the lower base of the MCR20 probe module change rack over the location piece and rotate the X axis of the rack until the required alignment is obtained 3 Using the 1 5 mm hexagonal key supplied fully hand tighten the M3 cone point grubscrew 0 5 Nm 1 Nm to lock the MCR20 in position B NOTES Whilst the TP20 system does not require that the MCR20 is aligned with the CMM axes ease of programming or software constraints may make alignment with the CMM axes desirable The MCR20 is not designed for horizontal operation with the ports in a vertical orientation M3 cone point grub screw Lower base JS iii T A hexagonal key M8 M10 bolt m and washer Location piece Issued 11 2014 16 lea RENISHAW apply innovation TP20 user s guide http www renishaw2. RENISHAW apply innovation TP20 user s guide http www renishaw com TP20 user s guide Document part number H 1000 5008 04 A Issued 11 2014 1 RENISHAW apply innovation TP20 user s guide http www renishaw com General information 1998 2014 Renishaw plc All rights reserved This document may not be copied or reproduced in whole 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 plc Disclaimer RENISHAW HAS MADE CONSIDERABLE EFFORTS TO ENSURE THE CONTENT OF THIS DOCUMENT IS CORRECT AT THE DATE OF PUBLICATION BUT MAKES NO WARRANTIES OR REPRESENTATIONS REGARDING THE CONTENT RENISHAW EXCLUDES LIABILITY HOWSOEVER ARISING FOR ANY INACCURACIES IN THIS DOCUMENT 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 plc All brand names and product names used in this document are trade names service marks trademarks or registered trademarks of their respective owners Windows XP Windows 2000 Vista and Windows 7 are registered trade names of the Microsoft Corporation All trademarks and trade names are acknowledged E The use of this symbol on Renis
3. 26 RENISHAW apply innovation TP20 user s guide Using the MSR1 module storage rack The location points for the TP20 probe modules are positioned approximately below the numbered labels on the rack Accurate positioning is not necessary as the magnetic force will pull them into the correct position The probe modules are held magnetically in the MSR1 and can be rotated if required Issued 11 2014 27 RENISHAW apply innovation TP20 user s guide http www renishaw com Technical data M easuring performance i NOTE The following data is derived from high accuracy test rig measurements and may not represent the performance achievable on a CMM Please consult your CMM supplier for overall system accuracy information Performance at 10mm stylus length Probe module type Unidirectional repeatability 2D XY form measurement deviation 2c 6 way EM1 STD EM2 STD Measured at a trigger speed of 8 mm s Test stylus ball diameter 4 mm Probing forces and overtravel limits Probe XY Trigger Z Trigger XY Z Z XY Z Z Overtravel module force force Overtravel Overtravel Overtravel Overtravel Overtravel displacement type and nominal at nominal at force max force max force max displacement displacement stylus stylus tip stylus tip at stylus tip at stylus tip at stylus tip length LF 10
4. and tighten the bolt Issued 11 2014 22 loa RENISHAW apply innovation TP20 user s guide http www renishaw com Wall mounting bracket B M10 bolt Issued 11 2014 23 RENISHAW apply innovation TP20 user s guide http www renishaw com Product operation Storing and changing probe modules T NOTES The inhibit switch in the inhibit version of the TP20 body will be automatically actuated by the magnetic field when it approaches the front of the MCR20 probe module changing rack The minimum distance from the MCR20 probe module changing rack at which the TP20 is armed will vary with height When using long styli fitted to the EM1 STD or EM2 STD probe modules do not store them in ports three or four of the MCR20 or MSR1 rack Calculating the safe clearance position The recommended safe clearance position is located at the minimum distance from the port centre at docking height Z where the probe will be armead if the probe module is attached The safe clearance position for any port n can be calculated from Xn Ys Z where Ys Y 100 mm Storing a probe module To store a probe module carry out the following procedure Step 1 Move to the safe clearance position Xn Ys Z for the vacant port n Step 2 Move to the docking target co ordinate for port n along the Y axis at the docking height Z Step 3 Move up to the release height Zr
5. body e The levels of acceleration and vibration to which the TP20 probe will be subjected these will vary with each type of CMM and movement velocity The following probe modules are available for use with the TP20 probe Each probe module is clearly marked on its front ring and also carries a colour coded front cap as follows e Low force probe module green cap e Standard force probe module black cap e Medium force probe module grey cap e Extended force probe module brown cap e 6 way probe module blue cap e EM1 STD probe module black cap e EM2 STD probe module black cap i NOTE It is recommended that a standard force probe module is always used except where the application or machine acceleration or vibration would cause the TP20 to false trigger Low force probe module The low force probe module identified by a green cap is suited to applications that require a low trigger force for example rubber seals Standard force probe module The standard force probe modules SF EM1 STD and EM2 STD are identified by black caps and are suited to the majority of applications Medium force probe module The medium force probe module identified by a grey cap is provided for use where a higher trigger force than standard is required Extended force probe module The extended force probe module is identified by a brown cap Typically this probe module will only be required with large stylus assemblies and where spurious trig
6. is not crash protected It is recommended that the rack is mounted outside or close to the edge of the working volume of the CMM Two mounting options are available for the MSR1 CMM table mounted and wall mounted Mounting M SR1 onto a CMM table To mount MSR1 onto your CMM table carry out the following procedure 1 Place the base over a threaded insert at the desired location on the CMM table and screw down using the M8 or M10 bolt supplied 2 Screw the leg a few turns into the M10 nut located in the underside of the rack extrusion Slide the rack along to the centre or other location as required and tighten by hand 3 Push the lower end of the leg firmly into the base and rotate the rack to the required orientation Tighten the grubscrews using the hexagonal key supplied Issued 11 2014 21 loa RENISHAW apply innovation TP20 user s guide http www renishaw com M10 nut located in extrusion Leg Snap ring Mounting bolt Base 3 mm AF Allen key Grubscrews M4 x 4 Mounting M SR1 onto a wall To mount MSR1 onto a wall carry out the following procedure 1 Fix the wall mounting bracket supplied in the desired location using the holes or other secure means 2 Locate the rack on the bracket and secure by engaging the M10 bolt supplied a few turns into the M10 nut located in the underside of the rack extrusion Slide the rack along until it is centralised or otherwise located as required
7. TP2 applications to bring this additional facility to both manual and DCC co ordinate measuring machines CMMs The TP20 comprises a two piece design a probe body with or without magnetic actuation device and detachable probe modules TP20 probe modules can be stored in the MSR1 for manually exchanging the probe modules or in the MCR20 where automatic changing of the probe module s is possible under measurement program control The TCR20 rack should be used for TP20 probe module changing with a PH20 system Forming part of Renishaw s comprehensive CMM touch trigger probe range the TP20 is fully compatible with all Renishaw M8 probe heads including those fitted with the Renishaw autojoint incorporating Renishaw s PAA range of adaptors and extension bars Wherever necessary probe reach may be increased in M8 applications by use of the Renishaw PEL range of extension bars Further information on these products may be obtained from Renishaw s website MCR20 module change rack TP20 probe body TP20 probe module TCR20 module change rack for PH20 Issued 11 2014 RENISHAW apply innovation TP20 user s guide http www renishaw com TP20 touch trigger probe kit The standard Renishaw TP20 touch trigger probe kit see following figure comprises the following primary components e One TP20 probe body e One or two TP20 probe modules see TP20 probe kits for available
8. ap e 6 way 6W probe module blue cap e Extension module 1 standard force EM1 STD black cap e Extension module 2 standard force EM2 STD black cap Issued 11 2014 RENISHAW apply innovation TP20 user s guide http www renishaw com TP20 probe kits The following TP20 probe kits are available from your supplier Inhibit probe body Non inhibit probe body LF probe module MF probe module SF probe module EF probe module A 1371 0291 A 1371 0641 A 1371 0292 A 1371 0642 A 1371 0293 A 1371 0643 A 1371 0294 A 1371 0644 A 1371 0428 A 1371 0603 A 1371 0429 A 1371 0604 A 1371 0370 A 1371 0656 A 1371 0372 A 1371 0658 A 1371 0390 A 1371 0602 1 All probe kits contain e Probe body inhibit or non inhibit as selected from the table e S9 double ended C spanner e Number and type of probe modules as given in the table e S7 stylus tools x 2 e TP20 system installation and user s guide H 1000 5008 e CK200 cleaning material e S1 C spanner e Test certificates The following TP20 probe module kits are available from your supplier TP20 probe module kit probe module only Part number Low force probe module A 1371 0392 Standard force probe module A 1371 0270 Medium force probe module A 1371 0271 Extended force probe module A 1371 0272 6 way probe module EM1 STD probe module A 1371 0430 EM2 STD probe module A 1371 0431 EM1 STD and EM2 STD pr
9. be as stiff as possible but also reduces the stylus s susceptibility to surface form and surface finish Owing to the modular construction of the TP20 when selecting and using styli the following criteria should be applied e Work only within the recommended stylus limits for each probe module refer to Recommended stylus limits e Always use the shortest possible stylus e f using larger styli than those recommended for use with each probe module always conduct trials to establish the effect on measuring performance e Minimise the mass of styli by using either ceramic or graphite fibre GF stems Recommended stylus limits Owing to the modular construction of the TP20 probe it is recommended that the limits shown in the figures below are applied when selecting styli to be used Low force probe module The low force probe module has the following recommended stylus limits e Steel and carbide styli up to 30 mm long e No star or cranked styli Max 30 mm Standard force probe module Issued 11 2014 32 RENISHAW apply innovation TP20 user s guide http www renishaw com The standard force probe modules SF EM1 STD and EM2 STD can be used with the following range of styli e Steel and carbide styli up to 40 mm long e Renishaw graphite fibre GF type styli up to 50 mm long e Star and cranked styli up to 20 mm offset Min 20 mm Steel 40 mm GF 50 mm Min 10 mm Max 40 mm Med
10. com Datuming M CR20 l NOTES Renishaw recommends that datuming of the MCR20 is performed using the Renishaw PS2R stylus supplied If a different stylus is to be used the length L must be either 20 mm or 30 mm and the appropriate ball radius R must be used to calculate offsets It is strongly recommended that the EM1 STD and EM2 STD probe extension modules are not used for datuming of the MCR20 as the extended probe length may lead to increased concentricity errors within the probe system The following instructions assume that uncompensated probing points are taken and therefore that the target positions for port docking are absolute machine co ordinates Aligning M CR20 to the CMM axes To align the MCR20 probe module changing rack to the axes of your CMM carry out the following procedures Latch all port lids in their open position by pushing each lid fully open and engaging the locking pegs into the slots in the docking plate Take points P1 and P2 Using the 1 5 mm hexagonal key supplied fully release the M3 cone point grubscrew within the base of the MCR20 Adjust the orientation of the MCR20 until the runout between points P1 and P2 is less than 0 25 mm Retaining the MCR20 in this position re tighten the M3 cone point grubscrew 0 5 Nm 1 Nm using the 1 5 mm hexagonal key supplied Establishing the docking depth Y RON To establish the docking depth Y of the MCR20 ports carry out the foll
11. combinations e Probe and stylus tools TP20 probe body The probe body incorporates a standard Renishaw M8 x 1 25 mm screw connector mount and is designed to house the mating half of the probe module s kinematic coupling TP20 inhibit probe body This contains the magnetic proximity switch necessary to inhibit triggering of the probe during automatic changing of the probe modules TP20 non inhibit probe body This probe body does not include the magnetic proximity switch and so can be used for any application including those where strong magnetic fields are present Issued 11 2014 RENISHAW amp apply innovation TP20 user s guide http www renishaw com SF LF MF EF ew EM1 STD EM2 STD M8 x 1 25 42 mm 113 mm TP20 non inhibit probe module changing touch trigger probe C spanner locations rd Alignment marks Magnetically held kinematic coupling Front ring Colour coded cap Probe module change rack location groove M2 stylus supplied with MCR20 rack kit iiid EF MF SF LF 6W EM1 EM2 Issued 11 2014 RENISHAW apply innovation TP20 user s guide http www renishaw com TP20 probe modules Each probe module which houses the kinematic switching touch sensor mechanism carries the stylus assembly and provides overtravel in the X Y and Z axes Z is offered when using the TP20 6 way probe module Incorporating an M2 stylus m
12. dules limited crash protection is provided by hinged overtravel mechanisms incorporated within both the base and the docking port assembly of the MCR20 Provided any collision occurs in the direction of overtravel the hinged overtravel mechanisms can be manually reset and it should not normally be necessary to re datum the rack MCR20 probe module changing rack kits are available with the following combinations of probe modules and may be ordered from your supplier Issued 11 2014 10 RENISHAW apply innovation TP20 user s guide MCR20 kit part number LF probe module SF probe module MF probe module EF probe module A 1371 0261 A 1371 0263 1 A 1371 0264 A 1371 0265 A 1371 0266 2 1 1 1 1 A 1371 0268 A 1371 1100 2 2 1 Issued 11 2014 11 RENISHAW apply innovation TP20 user s guide http www renishaw com TCR20 module change rack for PH20 TCR20 is a compact probe module rack for use with PH20 that provides the capability for quick and repeatable tool changing and tip correction 200 mm 7 87 in 57 mm a e CE 2 24 in 50 mm 1 97 in Based on the industry standard range of MCR20 rack systems TCR20 securely stores modules for rapid automatic changing protecting mating surfaces from any airborne contaminants within the working envelope of the machine TCR20 carries the full range of TP20 modules which are compatible wit
13. e TP20 probe in environments subjected to airborne contamination the user should determine the frequency of cleaning required to ensure the kinematic couplings remains uncontaminated Whilst the kinematic coupling mechanism is highly tolerant of nonmetallic dust regular inspection and cleaning with the material provided is recommended to ensure continued high performance Instructions for use are included with the cleaning kit If required replacement kits can be ordered from your supplier Renishaw part number A 1085 0016 Probe modules that are not attached to the probe body should be stored in the MCR20 TCR20 or MSR1 rack or in their transport boxes to prevent contamination Issued 11 2014 35 Renishaw plc New Mills Wotton under Edge Gloucestershire GL12 8JR United Kingdom T 44 0 1453 524524 F 444 0 1453 524901 www renishaw com cmmsupport For worldwide contact details please visit our main website at www renishaw com contact Issued 11 2014 RENISHAW apply innovation E
14. g centre port 5 X5 X4 30 mm X6 Docking centre port 6 X6 X5 30 mm Establishing the docking target co ordinates A CAUTION The Y values may be different for each port if the MCR20 is not aligned with the CMM axes To establish the docking centre co ordinates of ports 1 X1 to 6 X6 perform the following calculations Port 1 X1 Y Z Port 2 X2 Y Z Port 3 X3 Y Z Port 4 X4 Y Z Port 5 X5 Y Z Port 6 X6 Y Z Issued 11 2014 19 RENISHAW apply innovation f TP20 user s guide http www renishaw com Mounting TCR20 onto the CM M T NOTE To minimise the machine volume lost it is recommended that the TCR20 is mounted as close as possible to the extreme edge of the CMM s operating envelope 1 Fix the rack base to the CMM bed using the appropriate fixing screw Depending upon the size of screw required it may be necessary to also use a washer 2 Fit the TCR20 leg into the base and orientate the rack Secure the rack in the correct orientation by tightening the three grubscrews that are located in the rack base x3 TCR20 alignment and change routine The following routines are handled through UCCserver for TCR20 e Alignment routine e Put down and pick up routine e Safe position Issued 11 2014 20 RENISHAW amp apply innovation TP20 user s guide http www renishaw com Mounting MSR1 onto the CM M A CAUTION The MSR1 rack
15. gers caused by machine vibration and acceleration preclude the use of either the standard or medium force probe modules 6 way probe module The 6 way probe module is identified by a blue cap This probe module is designed for 6 way operation where there is a requirement to measure in the Z direction for example when measuring undercuts Issued 11 2014 31 RENISHAW apply innovation TP20 user s guide http www renishaw com Stylus selection NOTE Choosing the best stylus for a given application is an important factor in achieving optimum probe performance For further information on the full range of Renishaw styli please refer to Renishaw s styli and accessories brochure H 1000 3200 which can be ordered from your supplier or downloaded from Renishaw s web site www renishaw com L When selecting a stylus it is important that the stylus length is kept to the minimum required to access all features to be measured and that the stylus type offers the maximum possible stiffness Factors that affect stiffness are e Joints in the styli that tend to reduce rigidity and should therefore be kept to the absolute minimum e Stem diameters that are governed by the ball tip diameter of the stylus e Stem material that can be stainless steel ceramic or graphite fibre GF It is also important to ensure that the stylus ball diameter chosen is as large as is practical This not only ensures that the stylus will
16. h the PH20 system and can accommodate up to six module stylus combinations TCR20 features an integrated tip datum artefact in the centre of the rack assembly minimising the cycle time of the tip correct procedure Tip correction is key when the highest level of accuracy is required It compensates for any residual variations following a tool change maintaining a market leading level of accuracy from PH20 The TCR20 module change rack kit is not supplied with any TP20 probe modules It can be ordered from your supplier under the following part number Part number Description A 1371 1001 TCR20 rack kit Issued 11 2014 12 RENISHAW apply innovation TP20 user s guide http www renishaw com MSR1 module storage rack kit The optional MSR1 module storage rack kit is not supplied with any TP20 probe modules It is available in two different mounting options please refer to the installation section for details The two different versions can be ordered from your supplier under the following part numbers Mounting option Part number CMM table mounted A 1371 0347 Wall mounted A 1371 0330 Issued 11 2014 18 la RENISHAW apply innovation TP20 user s guide http www renishaw com Component connection Fitting a TP20 probe onto a probe head 1 By hand screw the threaded end of the probe body into the M8 bush of the probe head and hand tighten to secure 2 F
17. haw products and or accompanying documentation indicates that the product should not be mixed with the general household waste upon disposal It is the responsibility of the end user to dispose of this product at a designated collection point for waste electrical and electronic equipment WEEE to enable reuse or recycling Correct disposal of this product will help save valuable resources and prevent potential negative effects on the environment For more information please contact your local waste disposal service or Renishaw distributor Warranty Renishaw plc warrants its equipment for a limited period as set out in our Standard Terms and Conditions of Sale provided that it is installed exactly as defined in associated Renishaw documentation Prior consent must be obtained from Renishaw if non Renishaw equipment e g interfaces and or cabling is to be used or substituted Failure to comply with this will invalidate the Renishaw warranty Claims under warranty must be made from authorised service centres only which may be advised by the supplier or distributor Issued 11 2014 2 RENISHAW apply innovation TP20 user s guide http www renishaw com Care of equipment Renishaw probes and associated systems are precision tools used for obtaining precise measurements and must therefore be treated with care Changes to Renishaw products Renishaw reserves the right to improve change or modify its hardware or s
18. it the S1 C spanner supplied onto the probe body as shown below 3 Using the S1 C spanner fully hand tighten the probe body into the M8 bush 0 3 Nm 0 5 Nm Fitting a stylus onto a probe module i NOTE For advice on both stylus and probe module selection refer to the applications guide 1 Ensuring that you have selected the correct probe module for your given application see probe module selection screw the threaded end of your chosen stylus into the M2 stylus mount of the probe module and hand tighten to secure 2 Using the type S7 stylus tools provided or type S20 spanner if fi tting a stylus from the Renishaw GF range fully hand tighten the stylus into the stylus mount to achieve the recommended tightening torque of between 0 05 Nm and 0 15 Nm maximum permissible torque is 0 3 Nm S7 stylus tool N wa T Fitting a probe module and stylus onto a probe body 1 Visually examine the mating faces of both the probe module and the probe head for cleanliness Where necessary clean the mating surfaces using the CK200 cleaning kit supplied 2 Offer up the probe module to the probe body and ensuring the three alignment marks on both the probe module and probe body are correctly aligned allow the probe module to engage the probe body under magnetic force Issued 11 2014 14 RENISHAWE apply innovation TP20 user s guide Alignment marks Alignment marks Issued 11 2014 15 f
19. ium force and extended force probe modules The medium force and extended force probe modules have the following recommended stylus limits e Any stylus type up to 60 mm long e Star and cranked styli up to 20 mm offset Min 30 mm Max 60 mm Min 10 mm Max 40 mm 6 way probe module The recommended stylus limits for the 6 way probe module are e Any stylus type up to 30 mm long e Star and cranked styli up to 10 mm offset Issued 11 2014 33 RENISHAW apply innovation TP20 user s guide http www renishaw com Max 30 mm Max 20 mm Comparative stylus lengths A comparison of the minimum and maximum stylus lengths for use with each probe module is shown in the following figure EM2 STD Pipa d ge ig POLOS B S d ER d d l g 10 mm 50 mm 100 mm Issued 11 2014 34 RENISHAW apply innovation TP20 user s guide http www renishaw com Product maintenance T NOTE Maintenance of the TP20 probe is restricted to the periodic cleaning of the kinematic couplings of both the probe body and the probe module s To aid cleaning of these couplings each TP20 probe is supplied with a Renishaw CK200 cleaning kit Each Renishaw CK200 cleaning kit contains a specialised material to effectively remove contamination from the precision ball V groove seatings electrical contacts and permanent magnets of the kinematic couplings T NOTE When operating th
20. mm 0 055N 0 65 N 0 09 N 145N 14 5 5 gf 65 gf 9 gf 115 gf SF10mm 0 08N 0 75N 0 2N 0 3N 3 5N 14 8 gf 75 gf 20gf 30gf 350 gf MF 25 mm 0 2N 0 4N 7N 14 20 gf 40 gf 700gf EF 50 mm 0 2N 0 5N 10N 14 20gf 50gf tkgf 6 way 10 0 14N 1 6N 0 25 N 25N 9N 14 mm 14 gf 160 gf 25 gf 250 gf 900 gf EM1STD 0 08N 0 75N 0 2N 0 3N 3 5N 14 4 mm 10 mm 8 gf 759gf 20gf 30gf 350 gf EM2 STD 0 08N 0 75N 0 2N 0 3N 3 5N s 14 4 mm 10 mm 8 gf 75 gf 20gf 30gf 350 gf 28 Issued 11 2014 RENISHAW apply innovation TP20 user s guide http www renishaw com T NOTE The probe module may detach if this value is exceeded Probe module changing repeatability Probe module changing method Repeatability Automatic changing 0 5 um Manual changing 1 um Technical specifications TP20 Product compatibility The TP20 is suitable for use with all Renishaw probe interfaces and probe heads which service the TP1 TP2 and TP6 touch trigger probes The TP20 is compatible with the PEL PK PAA and PEM series of probe extensions adaptors Thread M8 x 1 25 x 5 mm STE ET oT M B MARS NAE E i 5 way X Y Z EM1 STD EM2 STD 50 m with 24 awg conductors Issued 11 2014 29 TP20 user s guide http www renishaw com MCR20 Length 200 mm o e 3 3 145 mm Port entry vel
21. obe modules A 1371 0432 Issued 11 2014 9 RENISHAW apply innovation TP20 user s guide http www renishaw com M CR20 probe module changing rack kit T NOTE Renishaw supplies eight types of MCR20 probe module changing rack kit each kit providing a different combination of probe modules The MCR20 probe module changing rack kit comprises the following primary components e One Renishaw MCR20 probe module changing rack e One Renishaw SCR200 mounting kit e One location piece e One Renishaw PS2R stylus e Two Renishaw TP20 probe modules probe module combination supplied will depend on part number of kit The MCR20 probe module changing rack which can be easily mounted onto a CMM using the Renishaw SCR200 mounting kit and location piece is designed to securely hold stored probe modules for automatic changing and to protect these stored probe modules from airborne contaminants that may be present within the working environment Only seven datum points are needed to set the MCR20 rack alignment and probe module changing co ordinates 145 mm When using the rack the inhibit version of the TP20 probe must be used By generating a magnetic field about the front of each docking port lid the MCR20 effectively closes the probe s inhibit switch during a probe module changing cycle Rack function is completely passive and no electrical input is required During automatic changing of probe mo
22. ocity Maximum 800 mm s Mounting orientation Not designed for horizontal operation with the ports in a vertical orientation Y axis overtravel Hinged breakout from base 55 mm travel at port height Z axis overtravel Hinged docking port assembly 90 travel in Z axis a er Inhibit range 100 mm from port centre TCR20 200 mm 7 87 in 57 mm 2 24 in Base diameter 50 mm 1 97 in Height to top of rack 186 mm 7 32 in Height to bottom of ports 159 mm 6 26 in Port entry velocity Maximum 800 mm s 31 5 in sec Mounting orientation Ports in a horizontal position only Tip correct artefact Centre of rack assembly Overtravel Not required protection provided by PH20 head Inhibit range Not required provided by UCC controller a P MSR1 285 mm 86 mm 285 mm Number of ports Oo Wall mounted CMM table mounted Issued 11 2014 RENISHAW apply innovation 30 d RENISHAW apply innovation TP20 user s guide http www renishaw com Applications guide Probe module selection To obtain the best possible performance from your TP20 probe it is important to select the correct probe module for your specific application When choosing the probe module to be used the following considerations should be addressed e The mass of the stylus assembly and its centre of gravity it is always best to use the shortest stylus possible e The orientation of the probe
23. oftware without incurring any obligations to make changes to Renishaw equipment previously sold Patents Features of Renishaw s TP20 product and other associated and similar Renishaw products are the subject of one or more of the following patents and or patent applications US6012230 Issued 11 2014 RENISHAW apply innovation TP20 user s guide http www renishaw com Warnings The use of eye protection is recommended Pinch hazards exist between parts and between moving and static parts Beware of unexpected movement You should remain outside the full working envelope of probe head extension bar probe combinations It is the machine supplier s responsibility to ensure that the user is made aware of any hazards involved in operation including those mentioned in renishaw product documentation and to ensure that adequate guards and safety interlocks are provided Under certain circumstances the probe signal may falsely indicate a probe seated condition Do not rely on probe signals to stop the machine Limitations of use A CAUTION One option of the TP20 probe system uses a magnetically actuated inhibit system It is important to apply the following limitations when using the inhibit version TP20 Neglecting to do so may result in failure of the probe to trigger 1 The inhibit TP20 may not be armed at a distance of up to 100 mm from the front of the MCR20 probe module change rack 2 Do not u
24. ounting each probe module is compatible with Renishaw s comprehensive range of M2 styli Designed to minimise the possibility of probe module misalignment generating a probe seated signal the probe module is held in position by a magnetically retained highly repeatable kinematic coupling Electrical contact pins conduct the probe sense voltage through the coupling Trigger force options The standard force probe module is suitable for most applications when used with the recommended stylus range but sometimes the effects of stylus length and mass combined with machine acceleration and vibration can cause the probe to false trigger these are referred to as spurious triggers To allow the TP20 to be used on co ordinate measuring machines where acceleration forces or vibration would otherwise result in spurious triggers a choice of higher force probe modules is available A low force probe module is also available for measurement of delicate materials Refer to the applications guide later in this document for information on how to select the correct probe module for your application The type of probe modules supplied with your probe will be clearly marked on each probe module s front ring The probe modules also carry a colour coded front cap as follows e Low force LF probe module green cap e Standard force SF probe module black cap e Medium force MF probe module grey cap e Extended force EF probe module brown c
25. owing procedure 1 Take points P1 and P2 2 Establish the docking depth for all ports using the following formula Y value of line P1 P2 R 1 mm 8 75 mm where R stylus ball radius Establishing the docking height Z To establish the docking height Z of the MCR20 ports carry out the following procedure 1 Take points P3 P4 and P5 From the three points taken construct a Z axis plane for the rack 2 Establish the docking height for all ports using the following formula Z value of plane P3 P4 P5 L 20 mm R 1 mm 21 25 mm where L stylus length Issued 11 2014 17 f RENISHAW apply innovation TP20 user s guide http www renishaw com Establishing the docking centre for port 1 To establish the docking centre for port 1 X1 carry out the following procedure l NOTE The stylus shank may be used to take points P6 and P7 1 Take points P6 and P7 2 Establish the docking centre for port 1 X1 using the following formula centre point of P6 P7 X1 Issued 11 2014 RENISHAW apply innovation TP20 user s guide http www renishaw com Establishing the docking centre for ports 2 to 6 To establish the docking centre for ports 2 X2 to 6 X6 perform the following calculations Docking centre port 2 X2 X1 30 mm X2 30 mm Docking centre port 3 X3 X2 X3 Docking centre port 4 X4 X3 30 mm Dockin
26. se the inhibit TP20 to gauge magnetised parts or parts held in magnetic fixtures 3 Do not use the Renishaw PE series extension bars with the inhibit TP20 unless they have been fully de magnetised In all these instances the use of the non inhibit TP20 probe body will ensure that the probe system operates fully A CAUTION The TP20 non inhibit probe can only be used for automatic stylus changing using the MCR20 probe module change rack when the probe inhibit is controlled by the CMM In the case of any uncertainty do not attempt to perform automatic stylus changing with a TP20 non inhibit probe and an MCR20 until the CMM supplier has checked the CMM for compliance to this requirement Issued 11 2014 RENISHAW apply innovation TP20 user s guide http www renishaw com Introduction This installation and user s guide supports the following Renishaw products e The TP20 touch trigger probe system which includes the probe body and probe module inhibit and non inhibit versions e The MCR20 probe module change rack automatic operation e The TCR20 probe module change rack automatic operation e The MSR1 module storage rack manual operation The Renishaw TP20 touch trigger probe is a 5 way or 6 way kinematic probe with the facility to change stylus configurations without the need for re qualification A direct replacement for the industry proven Renishaw TP2 the TP20 can be easily retrofitted into existing
27. where Zr Z 3 mm Step 4 Withdraw from the release co ordinate maintaining the release height along the Y axis to a point clear of the port lids where the probe remains inhibited This point is known as the retract point RP and has the co ordinates RP Xn Yr Zr where Yr Y 17 2 mm Issued 11 2014 24 RENISHAW apply innovation TP20 user s guide http www renishaw com Picking up a stored probe module To pick up a stored probe module carry out the following procedure Step 1 Move along the X axis in the direction necessary to arrive at the RP co ordinates for the next port required Step 2 Move along the Y axis to the release co ordinates above the centre of port Xn Y Zr Step 3 Move down to the docking co ordinates Xn Y Z to attach the probe module Step 4 Withdraw along the Y axis to the clearance position at co ordinates Xn Ys Z Issued 11 2014 25 RENISHAW apply innovation TP20 user s guide http www renishaw com Summary of probe module changing procedure Operation Safe clearance position for port n Move to docking position Release probe module Move to retract point RP Select next port n Enter port Move to safe clearance position Xn X1 to X6 as selected by the user Ys Y 100 mm Zr Z 3 mm Yrz Y 17 2mm No change to the previous setting of the axis register Issued 11 2014
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