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TP20 probe for FARO arm Installation and user's guide
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1. 3 1 By hand screw the threaded end of the probe body into the TP20 adaptor and finger tighten to secure 2 Fit the S1 C wrench supplied onto the probe body as shown in Figure 3 3 Using the S1 C wrench fully finger tighten the probe body into the M8 bush 0 3 Nm 0 5 Nm 3 2 Fitting a stylus onto the probe module To fit a stylus onto the probe module carry out the following procedure see figure 3 1 Screw the threaded end of your chosen stylus into the M2 stylus mount of the probe module and finger tighten to secure 2 Using the type S7 stylus tools provided or type S20 wrench if fitting a stylus from the Renishaw GF range fully finger 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 NOTE For advice on both stylus and probe module selection refer to the applications guide later in this publication 10 Product installation TP20 adaptor Probe body S1 C wrench Probe module oem N L S7 stylus tool O W Figure 3 Fitting the TP20 probe onto the FARO adaptor M2 stylus Product installation 11 3 3 Fitting the probe module and stylus onto the probe body To fit the probe module and stylus onto the probe body carry out the following procedure see figure 4 1 Visually examine the mating faces of both the probe module and the probe he
2. standard or medium force probe modules 5 1 5 The 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 Applications guide 17 5 2 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 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 be as stiff as possible but also reduces the stylus s susceptibility to surface form and surface finish 18 Applications guide Owing to the mo
3. 00 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 NOTE When operating the 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 non metallic 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 part number A 1085 0016 Probe modules that are not attached to the probe body should be stored in their transport boxes to prevent contamination TOA ee RENISHAW New Mills Wotton under Edge F 44 0 1453 524901 le 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 1000 5131 01
4. Installation and user s guide RENISHAW S H 1000 5131 01 A apply innovation TP20 probe for FARO arm FARO QUANTUM 2007 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 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 plc All other brand names and product names used in this document are trade names service marks trademarks or registered trademarks of their respective owners Renishaw part no H 1000 5131 01 A Issued 12 2007 TP20 probe for FARO arm installation and user s guide CE 2 Care of equipment Care of equipment Renishaw probes and associated systems are precision tool
5. ad 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 Alignment marks Alignment marks Figure 4 Fitting the probe module and stylus onto the probe body 12 Technical data 4 Technical data TP20 probe module changing touch trigger probe 4 1 Measuring performance NOTE The following data is derived from high accuracy test rig measurements and may not represent the performance achievable on an arm Please consult your supplier for overall system accuracy information Performance at 10 mm stylus length Parameter Probe module type LF 6 way EM1 EM2 STD STD Unidirectional 0 35 0 35 0 50 0 65 0 8 0 35 0 35 Sd dl i 20 2D XY form 0 6 0 8 1 0 2 0 1 5 0 8 0 8 measurement um um um um um um um deviation Measured at a trigger speed of 8 mm s Test stylus ball diameter 4 mm Technical data 13 4 1 1 Probing forces and overtravel limits module Trigger force type and nominal at stylus stylus tip ee LF 0 055N 0 65N 0 09N 1 15N atgo 31 10mm 5 59f 65 gf 9 gf 115 gf E mm SF 0 08 N 0 75N 0 2 0 3N 3 5N tao 40 10 mm 8 gf 759i 20 30 gf 350 gf mm Overtrave
6. allation iieis daranasin 9 3 1 Fitting the TP20 probe onto a FARO arm eeeceeeeseneeee 9 3 2 Fitting a stylus onto the probe module eee 9 3 3 Fitting the probe module and stylus onto the probe body 11 Technical data TP20 probe module changing touch trigger probe 12 4 1 Measuring performance eee eeee eens eceeteaeeeeeeeee 12 4 1 1 Probing forces and overtravel limits 13 4 1 2 Probe module changing repeatability 13 4 1 3 Technical specification eee eee 14 Applications Quide c cscccscssssscssssssssesscescsesseceseseesssessseessensones 5 1 Probe module selection 5 1 1 The low force probe module uu eee 16 5 1 2 The standard force probe modules 16 5 1 3 The medium force probe module ee 16 5 1 4 The extended force probe module 16 5 1 5 The 6 way probe Module eee 16 5 2 Stylus selection 5 2 1 Recommended stylus limits ee 19 Product MaINtCNANCE sisirin draia 24 4 Introduction 1 Introduction The Renishaw TP20 probe module changing 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 The TP20 comprises a two piece design a probe body and detachable probe module s TP20 probe body gt TP20 probe module z changing touch trigger probe Figure 1 The TP20 probe Product description 2 Product description 2 1 The FARO TP20 touch tri
7. ce probe module Applications guide 21 The standard force probe modules 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 1 57 in long e Renishaw graphite fibre GF type styli up to 50 mm 1 97 in long e Star and cranked styli up to 20 mm 0 79 in offset 20 mm 0 79 in Steel 40 mm 1 57 in GF 50 mm 1 97 in Min 10 mm 0 39 in Max 40 mm 1 57 in Figure 7 Recommended stylus limits for standard force probe modules 22 Applications guide The 6 way probe module The recommended stylus limits for the 6 way probe module are e Any stylus type up to 30 mm 1 18 in long e Star and cranked styli up to 10 mm offset Max 20 mm 0 79 in Max 30 mm Max 20 mm 0 79 in Figure 8 Recommended stylus limits for 6 way probe module Applications guide 23 Comparative stylus lengths A comparison of the minimum and maximum stylus lengths for use with each probe module is shown in figure 9 10 mm 50 mm 100 mm 0 39 in 1 97 in 3 94 in Figure 9 Comparative stylus lengths 24 Product maintenance 6 Product maintenance 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 CK2
8. dular 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 If using larger styli than those recommended for use with each probe module always conduct trials to establish the effect on measuring performance Minimise the mass of styli by using either ceramic or graphite fibre GF stems Applications guide 19 5 2 1 Recommended stylus limits Owing to the modular construction of the TP20 probe it is recommended that the limits shown in figures 5 to 9 are applied when selecting styli to be used The medium 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 2 36 in long e Star and cranked styli up to 20 mm 0 79 offset 30 mm 1 18 in 60 mm 2 36 in Min 10 mm 0 39 in Max 40 mm 1 57 in Figure 5 Recommended stylus limits for medium and extended force probe modules 20 Applications guide The low force probe module The low force probe module has the following recommended stylus limits e Steel and carbide styli up to 30 mm 1 18 in long e No star or cranked styli l C RENIS HAW Max 30 mm 1 18 in Figure 6 Recommended stylus limits for low for
9. en used with the recommended stylus range but sometimes the effects of stylus length and mass combined with acceleration and vibration can cause the probe to false trigger these are referred to as spurious triggers To allow the TP20 to be used where acceleration forces would otherwise result in spurious touches 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 8 Product description 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 Medium force MF probe module grey cap supplied e Extended force EF probe module brown cap 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 The following TP20 probe module kits are available from your supplier Standard force probe module A 1371 0270 Medium force probe module A 1371 0271 Product installation 9 3 Product installation 3 1 Fitting the TP20 probe onto a FARO arm To fit the TP20 probe carry out the following procedure see figure
10. gger probe kit The standard Renishaw TP20 touch trigger probe kit see figure 2 comprises the following primary components e One TP20 probe body e One medium force TP20 probe module see page 8 for available combinations e 6mm 0 24 in x 10 mm 0 39 in stylus e 2mm 0 08 in x 10 mm 0 39 in stylus e Probe and stylus tools 2 1 1 The probe body The probe body incorporates a standard Renishaw M8 x 1 25 screw connector mount and is designed to house the mating half of the probe module s kinematic coupling 5 6 Product description Figure 2 The TP20 probe for FARO arm kit Product description 7 2 1 2 The 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 mounting 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 wh
11. l force Overtravel max at stylus tip displacement MF 01N 1 9N 0 2 0 4N 7 0N ig 37 25mm 10gf 190 gf 20 40 gf 700 gf mm EF 01N 32N 0 2 0 5N 10N ayah 24 50mm 10gf 320 gt 20 50 gf 1kgf mm 6 way 0 14N 16N 0 25N 25N 90N 44 45 15 10mm 14gf a6og 25g 250 gf 900 gf mm mm EM1 STD 0 08N 0 75N 0 2 0 3N 3 5N tae 40 10mm 8 gf 75 gf 20 30 gf 350 gf mm EM2 STD 0 08N 0 75N 0 2 0 3N 3 5N ap 40 10 mm 8 gf 75 gf 20 30 gf 350 gf si mm NOTE The probe module may detach if this value is exceeded 4 1 2 Probe module changing repeatability Probe module changing Repeatability Manual changing 14 Technical data 4 1 3 Technical specification Dimensions S O Length LF SF MF EF EM1 STD EM2 STD Sense directions LF SF MF EF 5 way X Y Z EM1 STD EM2 STD 6 way X Y Z Probe module pull 10 N 1 kgf maximum off force Sealing IP30 Probe module life 25 000 changes Applications guide 15 5 Applications guide 5 1 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 st
12. s used for obtaining precise measurements and must therefore be treated with care Changes to equipment Renishaw reserves the right to improve change or modify its hardware or software without incurring any obligations to make changes to Renishaw equipment previously sold Warranty Renishaw plc warrants its equipment 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 for Renishaw equipment 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 Patents Aspects of the TP20 probing system and aspects of similar systems are the subject of the following patents and patent applications EP 548328 JP 3294269 US 5 323 540 EP 750171 JP JP 3279317 US 5 505 005 EP 501710 JP 2 510 804 US 5 327 657 EP 826136 JP 505 622 1999 US 5 404 649 EP 566719 US 5 339 535 US 5 918 378 US 6012230 Contents 3 Contents T AMMMOGUCHOMN i 2 ccttcca ces sctetsnds cocbasaees E EAA EARE 4 2 Product descripto sis ccs cia siecsiscecsscdsetisdeccssasateaeastavsseudiecanussavbaraatoed 2 1 The FARO TP20 touch trigger probe kit 21 The probe body sssrinin aian Rana 2 1 2 The probe MOUICS vis issestcccsiesatesssesatgeoneseracverveseen 7 3 Product Inst
13. ylus possible e The orientation of the probe body e The levels of acceleration and vibration to which the TP20 probe will be subjected These will vary with movement and 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 supplied 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 16 Applications guide 5 1 1 The 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 5 1 2 The standard force probe modules The standard force probe modules SF EM1 STD and EM2 STD are identified by black caps and are suited to the majority of applications 5 1 3 The 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 5 1 4 The 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 triggers caused by acceleration preclude the use of either the
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