ACR3 installation and user's guide
Contents
1. CMM TOO KAI TO Renishaw MAINTENANCE file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 10 of 45 ACR3 introduction This guide contains information relating to the installation and operation of Renishaw s ACR3 autochange rack system This guide takes a step by step approach to fitting aligning and datuming the rack as well as providing operational and troubleshooting guidance System integration and software routi2. 10 12 2010 ACR3 installation and user s guide Page 22 of 45 AM2 adjustment module The AM2 adjustment module is designed to provide quick and accurate angular alignment of the PH10MQ motorised probe head with the axes of the CMM and Renishaw ACR3 The AM2 consists of the adjuster plate which is attached to the quill of the CMM and a set of adjusters fitted to the flange of the head The probe head is fixed to the adjuster plate by a pair of captive screws The AM2 incorporates a quick release mechanism that allows the same probe head to be removed for storage and refitted without further alignment NOTE If repeatability of position is required on re attachment only the securing screws should be released Do not alter the other screws This repeatability of position is normally sufficient for alignment with the autochange rack but probes must be requalified for measurement 80 mm square 70 5 mm square Yaw adjustment screw 4 Roll adjustment screw Securing screw Securing screw AM2 to quill mounting screws Pitch adjustment screw Adjusting the AM2 A special tool is supplied consisting of a concentric hexagon key and socket spanner This should be located on the adjusters and locknuts recessed into the face of the head mounting flange NOTE Springs are fitted under the adjuster locknuts to provide some preload during set up The procedure to use this tool is 1 Slacken the lockn
3. corriente antes de emprender cualquier operaci n de mantenimiento Para instrucciones sobre seguridad a la hora de limpiar los productos Renishaw remitirse a la secci n titulada MAINTENANCE MANTENIMIENTO en la documentaci n sobre el producto Corresponde al proveedor de la m quina asegurar que el usuario est consciente de cualquier peligro que implica el manejo de la m quina incluyendo los que se mencionan en la documentaci n sobre los productos Renishaw y le corresponde tambi n asegurarse de proporcionar dispositivos file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 7 of 45 de protecci n y dispositivos de bloqueo de seguridad adecuados PT Figo de constric o entre pecas m veis e entre pecas m veis e est ticas Nao segurar a cabeca da sonda durante o movimento ou durante mudangas manuais de sonda Em todas as aplica es que envolvam a utiliza o de m quinas ferramenta e CMMs recomenda se usar protec o para os olhos Tomar cuidado com movimento inesperado O utilizador deve permanecer fora do per metro da rea de trabalho das combina es Cabe a da Sonda Extens o Sonda Desligar a alimentac o antes de efectuar qualquer operac o de manutenc o Para instru es relativas limpeza segura de produtos Renishaw consultar a sec o MAINTENANCE MANUTEN O da documenta o do produto responsabilidade do fornecedor da m quina assegurar que o utilizador conscienc
4. de file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 8 of 45 Sondekop Extensie Sonde combinaties te blijven Voordat u enig onderhoud verricht dient u de stroom uit te schakelen Voor het veilig reinigen van Renishaw produkten wordt verwezen naar het hoofdstuk MAINTENANCE ONDERHOUD in de produktendocumentatie De leverancier van de machine is ervoor verantwoordelijk dat de gebruiker op de hoogte wordt gesteld van de risico s die verbonden zijn aan bediening waaronder de risico s die vermeld worden in de produktendocumentatie van Renishaw De leverancier dient er tevens voor te zorgen dat de gebruiker is voorzien van voldoende beveiligingen en veiligheidsgrendelinrichtingen SV Risk f r kl mning existerar mellan r rliga delar och mellan r rliga och stillastaende delar Hall ej i sondens huvud under rorelse eller under manuella sondbyten Ogonskydd rekommenderas f r alla tillampningar som involverar bruket av maskinverktyg och CMM Se upp f r pl tsliga r relser Anv ndaren bor befinna sig utanf r arbetsomr det f r sondhuvudet f rl ngningen sond kombinationerna Koppla bort str mmen innan underh ll utf rs F r instruktioner ang ende s ker reng ring av Renishaws produkter se avsnittet MAINTENANCE UNDERH LL i produktdokumentationen Maskinleverant ren ansvarar f r att anv ndaren informeras om de risker som drift inneb r inklusive de som n mns i Renishaws produktdokumenta
5. instructions on how to adjust the AM1 in order to align the probe head to the CMM axes The procedure should be carried out in the order specified Pitch adjusting capstan Safety screw Yaw adjusting screw Yaw adjusting screw Roll adjusting Roll adjusting capstan Locking capstan screw 1 Roll adjustment rotate the roll adjusting capstans equally and in opposite directions i e rotate one capstan clockwise and the other anti clockwise to adjust roll 2 Pitch adjustment rotate the pitch adjusting capstan to increase or decrease the pitch 3 Yaw adjustment Release the lock screw Rotate the yaw adjusting screws equally in opposite directions to provide the required yaw Tighten the screws against each other without applying excessive torque Tighten the lock screw ON gt 4 Quick release of the AM1 from shank 1 Release the lock screw 2 Retract ONE yaw adjustment screw NOTE If repeatability of position is required on re attachment DO NOT alter the other screw This repeatability of position is normally sufficient for alignment with the autochange rack but probes file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide must be re qualified for measurement 5 Re attachment of AM1 to shank 1 Locate the AM1 against the shank and rotate until engaged 2 Tighten the yaw adjustment screw 3 Tighten the locking screw file C Temp hh63CD htm Page 21 of 45
6. qualified 1 Index the probe head to an A axis position of 0 and a B axis position required for an autojoint probe to enter the ACR3 2 Using the probe attached to the probe head measure the qualification sphere on the CMM table sphere 1 Use the centre of the measured sphere as a datum 3 Index the probe head to an A axis position of 90 maintaining the same B axis position as in step 1 4 Using the probe attached to the probe head measure the qualification sphere on the CMM table sphere 2 5 Calculate the yaw angle of the probe head using the following formula arc TAN X axis position of sphere 2 Y axis position of sphere 2 Yaw angle recommended lt 0 2 6 If the yaw angle exceeds 0 2 then adjustment is required please refer to Adjusting the AM1 or Adjusting the AM2 as appropriate and repeat steps 1 to 5 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 19 of 45 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 20 of 45 AM1 adjustable module The AM1 adjustment module is designed to provide quick and accurate angular alignment of the PH6M and PH10M with the axes of the CMM and Renishaw ACR3 In addition the quick release mechanism allows the probe heads to be removed for storage and replaced without further alignment In built overtravel protection minimises the risk of probe head damage Adjusting the AM1 Below are
7. quando si effettuano spostamenti a mano Si raccomanda di indossare occhiali di protezione in applicazioni che comportano macchine utensili e macchine per misurare a coordinate Fare attenzione ai movimenti inaspettati Si raccomanda all utente di tenersi al di fuori dell involucro operativo della testina della sonda prolunghe e altre varianti della sonda Prima di effettuare qualsiasi intervento di manutenzione isolare dall alimentazione di rete Per le istruzioni relative alla pulizia dei prodotti Renishaw fare riferimento alla sezione MAINTENANCE MANUTENZIONE della documentazione del prodotto Il fornitore della macchina ha la responsabilita di avvertire l utente dei pericoli inerenti al funzionamento della stessa compresi quelli riportati nelle istruzioni della Renishaw e di mettere a disposizione i ripari di sicurezza e gli interruttori di esclusione ES Existe el peligro de atraparse los dedos entre las distintas partes m viles y entre partes m viles e inm viles No sujetar la cabeza de la sonda mientras se mueve ni durante los cambios manuales de la sonda Se recomienda usar protecci n para los ojos en todas las aplicaciones que implican el uso de m quinas herramientas y m quinas de medici n de coordenadas Tener cuidado con los movimientos inesperados El usuario debe quedarse fuera del grupo operativo completo compuesto por la cabeza de sonda extensi n sonda o cualquier combinaci n de las mismas Quitar la
8. utilisateur prenne connaissance des dangers d exploitation y compris ceux d crits dans la documentation du produit Renishaw et d assurer que des protections et verrouillages de sdret ad quats soient pr vus DE Zwischen beweglichen und zwischen beweglichen und statischen Teilen besteht eine Einklemmgefahr Den Meftasterkopf nicht anfassen wenn er sich bewegt oder wenn ein manueller MeRtasterwechsel durchgef hrt wird Bei der Bedienung von Werkzeugmaschinen oder KoordinatenmeRanlagen ist Augenschutz empfohlen Auf unerwartete Bewegungen achten Der Anwender sol sich immer au erhalb des MeBtasterkopf Arm file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 6 of 45 MeBtaster Bereichs aufhalten Bevor Wartungsarbeiten begonnen werden muR erst die Stromversorgung getrennt werden Anleitungen ber die sichere Reinigung von Renishaw Produkten sind in Kapitel MAINTENANCE WARTUNG in der Produktdokumentation enthalten Es obliegt dem Maschinenlieferanten den Anwender Uber alle Gefahren die sich aus dem Betrieb der Ausr stung einschlieRlich der die in der Renishaw Produktdokumentation erwahnt sind zu unterrichten und zu versichern daR ausreichende Sicherheitsvorrichtungen und Verriegelungen eingebaut sind IT Tra le parti in moto o tra le parti in moto e quelle ferme esiste effettivamente il pericolo di farsi del male pizzicandorsi Evitare di afferrare la testina della sonda quando in moto oppure
9. 62 5 mm long A 4192 0061 MRS feet A 4192 0055 MRS stand off adaptor A 4192 0058 MRS leg to foot adaptor A 4192 0055 Plastic end cap P BG03 0014 SCP600 stylus change port for the SP600 probe SCP600 port includes tooling A 2098 0933 Spares Stylus spanner M 5000 3707 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 44 of 45 Maintenance Each ACR3 rack port is of modular design to permit easy replacement by the user should wear occur during the operational life of the ACR3 There are no other user serviceable parts should the unit become defective it should be returned to the local Renishaw service centre Cleaning The ACR3 is not a sealed unit Cleaning of the ACR3 should therefore be restricted to the use of a clean dry cloth Port replacement NM CAUTION The ACR3 is positioned in the working envelope of the CMM it is recommended that power is removed from the CMM servos throughout the port replacement procedure Port replacement is carried out using the following procedure 1 Release and remove the two M3 x 6 mm long screws and remove the port s to be replaced 2 Loosen the M3 x 6 mm long screws securing the remaining ports in preparation for final alignment 3 Position the replacement port s onto the rack and loosely screw in place 4 Open all the port lids using the lid clips supplied with the ACR3 5 Place a rigid straight edge along the underside of all the ports an
10. ACR3 installation and user s guide Page 1 of 45 ACR3 installation and user s guide Document part number H 1000 5087 02 A file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 2 of 45 ACR3 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 software without incurring any obligations to make changes to Renishaw equipment previously sold 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 Patents Features of Renishaw s ACR3 autochange rack system and associated equipment are the subjects of the patents and patent applications listed below e EP 0142373 e EP 0293036 e EP 0243766 e EP 0388993 e EP 0392660 e EP 0392699 e EP 0544854 e EP 0501710 e EP 0750171 e EP 0826136 e EP 242747 B e EP 548328 B e
11. Approaching the expected life of the ACR3 port Badly aligned probe head Badly aligned ACR3 Damage occured to ACR3 Badly aligned probe head Badly aligned ACR3 Attempting to stack extension bars Damage occured to ACR3 Re align probe head refer to Head alignment Re datum ACR3 refer to Datuming the ACR3 Replace the port refer to Accessories spare parts and Maintenance Re align probe head refer to Head alignment Re datum ACR3 refer to Datuming the ACR3 Return the ACR3 to the local Renishaw service centre Re align probe head refer to Head alignment Re datum ACR3 refer to Datuming the ACR3 The ACR3 system has not been designed to support the stacking of extension bars Return the ACR3 to the local Renishaw service centre 10 12 2010 ACR3 installation and user s guide Page 43 of 45 ACR3 accessories and spare parts As the ACR3 is part of a modular system offered by Renishaw all part numbers for the ACR3 system the MRS system and other components that can be fitted to the rack are specified below ACR3 system ACR3 4 port rack kit includes tooling A 5036 0005 Spares ACR3 setting gauge M 5036 0004 Lid clip M 1051 0043 nut P NU18 0005 Long T nut M 5036 0055 Port replacement kit 4 ports A 5036 0049 MRS system MRS rack 400 mm long A 4192 0050 600 mm long A 4192 005 1000 mm long A 4192 0052 Spares MRS leg 125 mm long A 4192 0053
12. JP 2 098 080 e JP 2 510 804 e JP 2 545 082 e JP 2 539 824 e JP 2 994 422 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 3 of 45 e JP 3 018 015 e JP 3 101 322 e JP 501 776 1994 e JP 503 652 1994 e JP 505 622 1999 e US 4651405 e US 4813151 e US 4817362 e US 5 084 981 e US 5 088 337 e US 5 339 535 e US 5 323 540 e US 5 345 689 e US 5 404 649 e US 5 505 005 e US 5 918 378 e TW UM 099300 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 4 of 45 ACR3 EC DECLARATION OF CONFORMITY EC DECLARATION OF CONFORMITY Renishaw plc declare that the product Name ACR3 Description Autochange rack Part no A 5036 0005 Complies with directive 2006 42 EC Machinery Complies with standards BS EN 292 1 1991 A1 2009 Safety of machinery Basic concepts general principles for design BS EN 292 2 1991 A1 2009 Part 1 Basic terminology methodology Part 2 Technical principles and specifications The person authorised to compile the technical file and issue the declaration of conformity is Mark Acres Compliance Manager Renishaw plc New Mills Wotton under Edge Gloucestershire GL12 8JR United Kingdom file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 5 of 45 ACR3 warnings EN Pinch hazards exist between moving parts and between moving and static parts Do not hold the probe head during movements or during manual p
13. R3 installation and user s guide Page 27 of 45 Fitting an eight port ACR3 system to MRS The long T nut is designed to allow two 4 port units to be linked as shown below The distance required between the two racks is set by the T nut CAUTION Moving parts beware of pinch hazards The MRS must be securely bolted to the machine table 1 Mount ACR3 ports 1 4 as detailed in Fitting a four port ACR3 system to MRS However ensure the long T nut is positioned as indicated above 2 Slide ACR3 to the fully unlocked position left hand side of travel Push ACR3 ports 5 8 into the fully locked position right hand side of travel Pass the bolt through the left hand countersunk clearance hole into the long T nut Finger tighten H NOTE The long T nut must be used when linking two ACR3s CAUTION Ensure rack does not overhang the MRS in either the locked or unlocked position 3 Push the ACR3 ports 5 8 into the fully unlocked position to the left Place bolt through the right hand countersunk clearance hole into short T nut and finger tighten as in figure 17 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 28 of 45 4 Position the ACR3 on the MRS so that the rack can move freely from its unlocked position to its locked position 5 Using the 5 mm hex key supplied tighten the four countersunk bolts 6 Using the connection bolt and O ring supplied with the AC
14. R3 kit join the two ACR3 units as shown below Use the O ring supplied to separate the two racks O ring 7 Check the alignment of each of the ACR3 s with respect to the CMM axis This is achieved by taking two points on the front of each ACR3 unit as shown in figure 14 The run out of each of the ACR3 units with respect to the CMM axis should be less than 0 5 mm between the points on each rack file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 29 of 45 8 Adjustment of the ACR3 s with respect to the machine axis should be completed by releasing the necessary mounting bolt manually repositioning the ACR3 and then re tightening the bolt file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 30 of 45 Datuming the ACR3 The following section describes the recommended procedure for datuming the ACR3 once it is fitted to the MRS rack and the MRS is fitted to the CMM table please refer to Fitting the ACR3 to the MRS 4 port and 8 port Each rack comes with a setting gauge see below that is designed to assist in the datuming of the ACRS Locating the Z position 1 Position the ACR3 so that it is in the unlocked position positioned to the left hand side of the travel 2 Insert the lid clips as shown below NOTE This procedure assumes the rack is aligned with the Y axis If the rack is aligned with the X axis transpose X and Y 3 Position
15. can be rectified by using either the AM1 or AM2 adjustment module Alignment of the head roll The roll axis of the head is from the left hand side to the right hand side of the probe head The maximum recommended alignment error is 0 2 The recommended procedure for setting the roll of a motorised or indexing probe head is as follows see figure 7 NOTE During this procedure the probe should not be qualified 1 Index the probe head to an A axis position of 90 and a B axis position of 90 2 Using the probe attached to the probe head measure the qualification sphere on the CMM table sphere 1 Use the centre of this measured sphere as a datum 3 Index the probe head to an A axis position of 90 and a B axis position of 90 4 Using the probe attached to the probe head measure the qualification sphere on the CMM table sphere 2 5 Calculate the roll angle for the probe head using the following formula arc TAN Z axis position of sphere 2 Y axis position of sphere 2 Roll angle recommended lt 0 2 6 If the roll angle exceeds 0 2 then adjustment is required please refer to Adjusting the AM1 or Adjusting the AM2 as appropriate and repeat steps 1 to 5 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 17 of 45 Alignment of the head pitch The pitch axis of the head is from the front of the probe head where the LED is located to the rear of the probe
16. d tighten all M3 x 6 mm long screws to 0 3 Nm It is very important that the ports are correctly aligned 6 Remove straight edge and lid clips 7 Re datum the rack see Datuming of the ACR3 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 45 of 45 file C Temp hh63CD htm 10 12 2010
17. e ACR3 setting piece Use 50 um DCC incremental moves to identify the correct Y axis position ACR port O Hill Probe head autojoint ACR3 setting gauge 2 Record a point at this position point B 3 Move the probe head clear of the ACR3 and connect the probe assembly NOTE Ensure that the autojoint locking cam is positioned approximately 5 backed off from the fully locked position and enable the probe signal 4 Remove the ACR3 setting piece from port 1 Locating the Y position 1 Manually take 4 points on the top of port 1 port1 unlocked points 1 to 4 as shown below to create a plane NOTE Take care not to take a point to close to the lid clip as this may cause a problem later on in the datuming procedure 2 Manually take 4 points round the curved part at the rear of port 1 port1 unlocked circle centre as file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 33 of 45 shown in figure 24 Take care to avoid the driver blade and the mounting screw holes 3 Construct an axis system using e Port1 unlocked points 1 to 4 as the primary plane refer to step 1 e Port1 unlocked circle centre as the secondary axis and tertiary axis origin refer to step 2 e Store this axis system as axis 1 4 The CMM can now locate ports 2 to 4 in the unlocked position under CNC control The table below shows the nominal location of the centre of these ports assum
18. er half to a probe extension bar or adapter Head or extension bar Clamping mechanism Kinematic location Locking unlocking screw Lx Electrical contacts PAA1 adaptor Locking and unlocking of the autojoint is achieved either manually using an autojoint key or automatically using the autochange rack system In all cases the repeatability of the autojoint eliminates the need for probe requalification after each probe exchange MRS The MRS is the common mounting platform for the ACR3 SCP600 stylus change port for SP600 and FCR25 flexible change rack for SP25M It is available in a number of different overall lengths and heights For a detailed explanation of this system please refer to the MRS installation and user s guide part no H 1000 5088 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 13 of 45 ACR3 system dimensions 4 port ACR3 system dimensions 275 swept volume Unlocked ia 158 96 8 port ACR3 system dimensions file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 14 of 45 123 96 8 3 rrrrrrro file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 15 of 45 Compatible Renishaw products Renishaw have a number of probe heads and probes that have either the male or female part of the autojoint fitted to them and are therefore co
19. head The maximum recommended alignment error is 0 2 The recommended procedure for setting the pitch of a motorised or indexing probe head is as follows see figure 8 ad NOTE During this procedure the probe should not be qualified 1 Index the probe head to an A axis position of 90 and a B axis position of 0 2 Using the probe attached to the probe head measure the qualification sphere on the CMM table sphere 1 Use the centre of this measured sphere as a datum 3 Index the probe head to an A axis position of 90 and a B axis position of 180 4 Using the probe attached to the probe head measure the qualification sphere on the CMM table sphere 2 5 Calculate the pitch angle for the probe head using the following formula arc TAN Z axis position of sphere 2 X axis position of sphere 2 Pitch angle recommended lt 0 2 6 If the roll angle exceeds 0 2 then adjustment is required please refer to Adjusting the AM1 or Adjusting the AM2 as appropriate and repeat steps 1 to 5 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 18 of 45 Alignment of the head yaw The yaw axis of the head is the rotational axis of the probe head with respect to the quill of the CMM The maximum recommended alignment error is 0 2 The recommended procedure for setting the yaw of a motorised or indexing head is as follows NOTE During the procedure the probe should not be
20. ializado de quaisquer perigos envolvidos na opera o incluindo os mencionados na documenta o do produto Renishaw e assegurar que s o fornecidos resguardos e interbloqueios de seguran a adequados DA Der er risiko for at blive klemt mellem bev gelige dele og mellem beveegelige og statiske dele Hold ikke sondehovedet under bev gelse eller under manuelle sondeskift alle tilf lde hvor der anvendes v rkt js og koordinatm lemaskiner anbefales det at b re gjenbeskyttelse Pas p uventede bev gelser Brugeren b r holde sig uden for hele sondehovedets forlaengerens sondens arbejdsomr de Afbryd str mforsyningen for der foretages vedligeholdelse Se afsnittet MAINTENANCE VEDLIGEHOLDELSE i produktdokumentationen for at fa instruktioner til sikker renggring af Renishawprodukter Det er maskinleverandgrens ansvar at sikre at brugeren er bekendt med eventuelle risici i forbindelse med driften herunder de risici som er neevnt i Renishaws produktdokumentation og at sikre at der er tilstr kkelig afsk rmning og sikkerhedsblokeringer NL Er is risico op klemmen tussen de bewegende onderdelen onderling en tussen bewegende en niet bewegende onderdelen De sondekop tijdens beweging of tijdens manuele sondeveranderingen niet vasthouden Het dragen van oogbescherming wordt tijdens gebruik van machinewerktuigen en CMM s aanbevolen Oppassen voor onverwachte beweging De gebruiker dient buiten het werkende signaalveld van
21. ift off position 0 Distance 0 1 refer to step 25 of Datuming ACR3 web page Exit port 40 Distance 0 1 refer to step 25 of Datuming ACR3 web page Enable probe signal NOTE Due to forces exerted by the autochange operation on the head it is strongly recommended that the head is unlocked and re locked immediately after picking up a probe in order to maintain repeatability Unload routine All movements are absolute moves in mm and in respective portx axis system Y position Z position X position Recall port axis Stand off position 40 Distance 0 1 refer to step 25 m file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Inhibit probe signal Page 41 of 45 Entry into port Move to unlock autojoint Release from the femail autojoint Exit port 40 Distance refer to step 25 o 0 0 1 0 7 0 7 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Troubleshooting Page 42 of 45 Fault Possible cause Solution Black deposit on probe autojoint Badly aligned probe head Badly aligned ACR3 Re align probe head refer to Head alignment Re datum ACR3 refer to Datuming the ACR3 Excessive wear on ACR3 port ACR3 does not run smoothly Head obstructing during ACR3 lock unlock sequence file C Temp hh63CD htm Badly aligned probe head Badly aligned ACR3
22. ing that the rack is running along the CMM s Y axis Port X position position h o 2 0 35 3 0 70 4 0 105 Dimensions in mm The recommended procedure for locating the ports is as follows see steps 1 and 2 for reference e Move stylus to nominal XY centre of port e Move stylus to 2 mm below the top surface of the port in the current axis axis 1 system e Take 4 points round the curved part at the rear of the port Use the 4 points to create a circle use this as a sub datum in the XY axis Take 4 points on the top surface of the port Port X position Y position 8 13 5 FA ff file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 34 of 45 2 8 13 5 3 8 13 5 4 8 13 5 Dimensions in mm Store the points as port unlocked points 1 to 4 Store the circle as port unlocked circle 1 Recall axis 1 see step 3 Locate the next port Port number e g 1 2 3 etc 6 If an eight port ACR3 is to be fitted to the CMM then step 7 should be completed otherwise please go to step 8 7 The CMM can now locate ports 5 to 8 in the unlocked position under CNC control The table below shows the nominal location of the centre of these ports with respect to the axis 1 assuming that the rack is running along the CMM s Y axis Port X position position 5 0 187 6 0 222 Ee da e o 39 Dimens
23. ions in mm N The recommended procedure for locating 5 to 8 ports is as follows see steps 1 and 2 for reference Take a Z axis reference point x 6 5 mm y 173 8 mm for ACR3 in the unlocked position Use this point as a Z axis sub datum for locating ports 5 through 8 in the unlocked position Move stylus to nominal XY centre of port Move stylus to 2 mm below the top surface of the port in the current axis axis 1 system Take 4 points round the curved part at the rear of the port Use the 4 points to create a circle use this as a sub datum in the XY axis Take 4 points on the top surface of the port PT Po file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 35 of 45 Port X position Y position h 8 13 5 2 8 13 5 o 8 13 5 h 8 13 5 Dimensions in mm e Store the points as port unlocked points 1 to 4 e Store the circle as port unlocked circle 1 e Recall axis 1 see step 3 e Locate the next port Port number e g 5 6 7 etc 8 Move the probe head clear of the ACR3 9 Move the ACR3 to the locked position positioned to the right hand side of the travel 10 Take a Z axis reference point x 6 5 mm y 75 5 mm for ACR3 position in the locked position Use this point as a Z axis sub datum for locating ports 1 through 4 in the locked position 11 The CMM can now locate ports 1 to 4 in the locked position under CNC control The table be
24. low shows the nominal location of the centre of these ports Port X position position a 0 88 96 2 0 123 96 0 158 96 4 0 193 96 Dimensions in mm oO Recommended procedure for locating port e Move stylus to nominal XY centre of port e Move stylus to 2 mm below the top surface of the port in the current axis e Take 4 points round the curved part at the rear of the port e Use the 4 points to create a circle use this as a sub datum in the XY axis file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Take 4 points on the top surface of the port X position Port Y position a 8 13 5 2 8 13 5 o 8 13 5 a 8 13 5 Recall axis 1 see step 3 Locate the next port Dimensions in mm Store the circle as portx locked circle 1 Store the points as portx locked points 1 to 4 Apply Z axis reference point as a Z axis sub datum see step 10 Page 36 of 45 12 If an eight port ACR3 is to be fitted to the CMM then this step should be completed otherwise please go to step 14 13 The CMM can now locate ports 5 to 8 in the locked position under CNC control The table below shows the nominal location of the centre of these ports with respect to axis 1 assuming that the rack is running along the CMM s Y axis Port X position Y position 275 96 310 96 345 96 0 NN 380 96 Dimensions i
25. mpatible for use with the ACR3 For additional information please refer to the relevant product documentation Heads PH10M A motorised indexing probe head with 720 repeatable positions suitable for all two wire and multiwired probes This is an in quill mounted version of the PH10M head PH6M A fixed autojointed probe head suitable for all two wire and multiwired probes Probes SP25 High accuracy scanning probe enabling the user to scan for form measurement and reverse engineering rapid TTP for geometric measurements is also possible SP600M Analogue contact scanning probe which is ideal for profile scanning and it features 300 mm stylus capability Permits the CMM to gather large amounts of data very rapidly TP7M High accuracy strain gauge based touch trigger probe TP6A This is a probe suited to general purpose probing applications offering longer and heavier styli carrying capability OTP6M An optical trigger probe that uses a visible laser spot to provide a non contact inspection solution for CMMs Using the Renishaw range of probe adaptor bars PAA the complete range of Renishaw M8 probes can be used in conjunction with the autochange system a brief description of some of these probes is given below TP20 A 13 mm diameter kinematic touch trigger probe consisting of a two piece design that provides the facility to repeatedly change probe modules without the need for re qualificati
26. n mm Recommended procedure for locating port e Take a Z axis reference point x 6 5 mm y 262 3 mm for ACR3 in the unlocked position Use this e Move stylus to nominal XY centre of port e Move stylus to 2 mm below the top surface of the port in the current axis axis 1 system file C Temp hh63CD htm point as a Z axis sub datum for locating ports 5 to 8 in the unlocked position 10 12 2010 ACR3 installation and user s guide Page 37 of 45 e Take 4 points round the curved part at the rear of the port e Use the 4 points to create a circle use this as a sub datum in the XY axis e Take 4 points on the top surface of the port Port X position Y position h 8 13 5 b 8 13 5 8 13 5 4 8 13 5 Dimensions in mm e Store the points as portx locked points 1 to 4 e Store the circle as portx locked circle 1 e Recall axis 1 see step 3 e Locate the next port NOTE As the movement of the ACR3 may not be a single axis move the following procedure utilises dedicated axis systems for each port 14 An axis system is now constructed for each of the ports This step shows the construction steps for port 1 and should be repeated for each port e Construct a plane from port1 unlocked points 1 to 4 and port1 locked points 1 to 4 port plane e Construct a line from port1 unlocked circle 1 and port1 locked circle 1 port line e Construct an axis system port1 axis using
27. nes recommended for the successful implementation of the ACR3 are also provided file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 11 of 45 ACR3 system description Renishaw s ACR3 is a four port rack that facilitates fast automatic probe exchange without the need for probe re qualification The ACR3 is a four port mechanical design that traverses the MRS rail Driven by the motion of the CMM it locks and unlocks the autojoint between the probe and the probe head In addition the ACR3 provides covered storage and protection for up to eight probes and extension bars two four port systems can be linked to provide an eight port system Mounted within the CMM s working envelope the ACR3 is combined with the modular rack system MRS to form an automatic change rack for probes and extension bars that incorporate the Renishaw autojoint Each rack port is of modular design to permit easy replacement should wear occur during the operational life of the ACR3 Fast probe exchange cycles are achieved by the probe head docking the original probe and selecting a new one The autochange system consists of a four port autochange rack ACR3 and the modular rack system MRS as shown below file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 12 of 45 Autojoint The autojoint shown below is a highly repeatable kinematic joint one half of which is attached to the probe head the oth
28. nment circle is positioned in the centre of the alignment window Record a point point C in this position see below for reference 23 The probe Y axis offset now has to be calculated probe Y offset Y axis position of point C 62 6 mm 24 Apply the Y probe offset to all the ACR3 axis systems e Recall portx axis as constructed in step 17 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 39 of 45 e Translate the Y axis datum position by probe Y offset e Store as portx axis 25 Calculate the ACR3 traverse distance distance e Recall port1 axis e Recall port1 locked circle refer to step 11 the Y axis position of this feature is the traverse distance for the ACR3 distance 26 This traverse distance is then used in the load unload routines file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide ACR3 change routine Page 40 of 45 CAUTION During various stages of this recommended change routine the probe signal is inhibited The trigger line cannot therefore be used to reliably indicate the probe system status Load routine All movements are absolute moves in mm and in respective port X axis system X position Y position Z position Recall port axis Stand off position 40 0 7 Entry into port 0 0 7 Connect female autojoint 0 0 0 Move to lock autojoint 0 Distance 0 refer to step 25 of Datuming ACR3 web page Move to l
29. o Port plane as the primary axis o Port line as the secondary axis o Port1 unlocked circle 1 as the tertiary axis and origin of the axis system e Save axis system as port axis e Repeat this for the remaining ports 15 The Z axis offset now has to be calculated as follows e Recall port1 axis e Recall Point A see Locating the Z position step 7 in this axis system e Use the following formula probe Z offset Z axis of Point A 1 16 The probe X axis offset now has to be calculated as follows e Recall port1 axis file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 38 of 45 e Recall Point B see Locating the X position step 1 in this axis system e Use the following formula probe X offset X axis of Point B 42 mm 17 Apply the Z and X probe offsets to all the ACR3 axis systems as follows as constructed in step 14 e Recall portx axis e Translate the Z axis datum position by probe Z offset e Translate the X axis datum position by probe X offset e Store as portx axis 18 Move the probe clear of the ACR3 19 Recall ACR3 axis4 move the probe head to a position of X 40 mm Y 62 6 mm Z 0 mm 20 Move the ACR3 so that port 4 is located behind the position of the probe head 21 Slowly move the probe head in the X axis to a position of X 0 mm probe docked into the ACR3 22 With the head located in port 4 move along the ACR3 Y axis using 50 to 100 um DCC moves until the alig
30. of the long T nut and finger tighten NOTE Ensure T nuts are positioned as indicated below UNLOCKED T nuts Countersunk positioning hole 2 With the ACR3 in fully locked position place bolt through the left hand countersunk clearance hole into the thread of the short T nut and finger tighten file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 25 of 45 UNLOCKED LOCKED 3 Position the ACR3 on the MRS rack such that the rack can move freely from its unlocked position to its locked position 4 Using the 5 mm hex key supplied tighten the two countersunk bolts 5 Check the alignment of the ACR3 with respect to the CMM axis This is achieved by taking two points on the front of the ACR3 as shown below The run out of the ACR3 with respect to the CMM axis should be less than 0 5 mm between these two points 6 Adjustment of the ACR3 with respect to the machine axis should be completed by releasing the appropriate countersunk bolt and manually re positioning the ACR3 and then re tightening the bolt LU CAUTION Ensure rack does not overhang the MRS in either the locked or unlocked position file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 26 of 45 NOTE The springs supplied can be inserted into the short nut and used to maintain the position of the T nut in the MRS rail file C Temp hh63CD htm 10 12 2010 AC
31. on TP200 13 mm diameter strain gauge based touch trigger probe consisting of a two piece design that provides the facility to repeatedly change stylus modules without the need for re qualification TP2 A 13 mm diameter kinematic touch trigger probe with adjustable stylus force TP6 A 25 mm diameter kinematic touch trigger probe of a robust design NOTE 1 ACR3 can only be used in the horizonal orientation NOTE 2 It 15 not possible to remove probes off the end of extension bars using ACR3 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 16 of 45 Head alignment for ACR3 It is necessary for the probe head to be aligned with both the movements of the CMM and the ACR3 This is because the autojoint is a high force mechanical joint that could cause operational errors if used with an incorrectly aligned ACR3 NOTE The Renishaw PH10 motorised head system has been designed so that the roll and pitch of the autojoint is held within the tolerances required for the ACR3 system when connected to a standard Renishaw shank In the majority of installations only the yaw of the motorised head requires alignment However it is possible that the location of the probe head shank to the CMM quill or the mounting face of the PH10MQ to the CMM quill is not held to the required tolerances In some cases this could result in excessive ACR3 port wear or failure of the ACR3 to change probes This problem
32. robe changes In all applications involving the use of machine tools or CMMs eye protection is recommended Beware of unexpected movement The user should remain outside of the full working envelope of Probe Head Extension Probe combinations Remove power before performing any maintenance operations For instructions regarding the safe cleaning of Renishaw products refer to the Maintenance section of the relevant product documentation 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 FR L effet de pincement d au mouvement des pi ces mobiles entre elles ou avec des pi ces fixes pr sente des dangers Ne pas tenir la t te du palpeur lorsqu elle se d place ou que le palpeur est chang a la main Le port de lunettes de protection est recommand pour toute application sur machine outil et MMC Attention aux mouvements brusques L utilisateur doit toujours rester en dehors de la zone de s curit des installations multiples T te de Palpeur Rallonge Palpeur Mettre la machine hors tension avant d entreprendre toute op ration de maintenance Les conseils de nettoyage en toute s curit des produits Renishaw figurent dans la section MAINTENANCE de votre documentation Il incombe au fournisseur de la machine d assurer que l
33. the ACR3 setting gauge into port 1 as shown file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 31 of 45 Setting gauge 4 Inhibit the probe signal It is recommended that this is done from within the CMM software dd Use extreme caution The machine could be crashed 5 Remove the probe from the probe head at the autojoint 6 Position the autojoint puller into the central slot of the ACR3 setting piece Take care not to move the position of the ACR3 see figure 21 7 Using 50 um DCC incremental moves slowly lower the autojoint face so that it just touches machine Z axis onto the top face of the setting gauge Use it as a feeler gauge to identify the correct Z axis position for the probe head with respect to the ACR3 Record a point at this position point A NOTE More than one attempt may be required to get a feel for this operation LIVE CMM AXES REMAIN OUTSIDE WORKING ZONE BETWEEN Z POSITION CHECKS DO NOT ALLOW OTHERS TO OPERATE THE CMM DURING THIS PROCESS 8 Remove the probe head from the ACR3 setting piece It is not possible to use the probe to find the Z position because of tolerance stackups within the probe and stylus combination file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 32 of 45 Locating the X position 1 Move the probe head so that the external surface of the autojoint is just touching the front of th
34. tion samt att tillr ckligt goda skydd och s kerhetsf rreglingar tillhandah lls Fl Liikkuvien osien sek liikkuvien ja staattisten osien v lill on olemassa puristusvaara Ala pida kiinni anturin p st sen liikkuessa tai vaihtaessasi anturia k sin Kaikkia ty st koneita ja koordinoituja mittauskoneita CMM k ytett ess suositamme silm suojuksia Varo killist liikett K ytt j n tulee pysytell t ysin anturin p n jatkeen anturin yhdistelmi suojaavan toimivan kotelon ulkopuolella Kytke pois s hk verkosta ennen huoltotoimenpiteit Renishaw tuotteiden turvalliset puhdistusohjeet l ytyv t tuoteselosteen MAINTENANCE HUOLTOA koskevasta osasta Koneen toimittaja on velvollinen selitt m n k ytt j lle mahdolliset k ytt n liittyv t vaarat mukaan lukien Renishaw n tuoteselosteessa mainitut vaarat Toimittajan tulee my s varmistaa ett toimitus sis lt riitt v n m r n suojia ja lukkoja EL file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 9 of 45
35. ut slightly using the outer part of the tool 2 Set the adjuster using the inner part of the tool 3 While holding the adjuster stationary with the inner part of the tool tighten the locknut using the outer part of the tool o Roll adjustment Using the AM2 tool and the procedure given above adjust the roll adjustment screw on the AM2 file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 23 of 45 o Pitch adjustment Using the AM2 tool and the procedure given above adjust the pitch adjustment screw on the AM2 o Yaw adjustment Using the AM2 tool and the procedure given above adjust the yaw adjustment screw on the AM2 5 Tighten the two securing screws NOTE Tightening the securing screws could cause the roll pitch or yaw alignment to change It is therefore recommended that the alignments are checked after this procedure file C Temp hh63CD htm 10 12 2010 ACR3 installation and user s guide Page 24 of 45 Fitting a four port ACR3 system to MRS It is recommended that the ACR3 rack be attached to the MRS rack using the following procedure During this procedure it is assumed that the MRS rack has been installed as detailed in the MRS installation guide H 1000 5088 NM CAUTION Moving parts beware of pinch hazards The MRS must be securely bolted to the machine table 1 With the ARC3 in fully unlocked position place bolt through the righthand countersunk clearance hole into thread
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