Renishaw ACR2 Ghid de instalare

Tip
Ghid de instalare
ACR2 installation guide
Document part number H-1000-4045-02-A
ACR2 installation guide
www.renishaw.com
Issued 09 2020
1
General information
© 1999 ‐ 2020 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.
Disclaimer
WHILE CONSIDERABLE EFFORT WAS MADE TO VERIFY THE ACCURACY OF THIS DOCUMENT AT PUBLICATION, ALL WARRANTIES,
CONDITIONS, REPRESENTATIONS AND LIABILITY, HOWSOEVER ARISING, ARE EXCLUDED TO THE EXTENT PERMITTED BY LAW.
RENISHAW RESERVES THE RIGHT TO MAKE CHANGES TO THIS DOCUMENT AND TO THE EQUIPMENT, AND/OR SOFTWARE AND THE
SPECIFICATION DESCRIBED HEREIN WITHOUT OBLIGATION TO PROVIDE NOTICE OF SUCH CHANGES.
Trade marks
RENISHAW
®
, the probe symbol and REVO
®
are registered trade marks of Renishaw plc.
Renishaw product names, designations and the mark ‘apply innovation' are trade marks of Renishaw plc or its subsidiaries.
Other brand, product or company names are trade marks of their respective owners.
WEEE
The use of this symbol on Renishaw products and / or accompanying documentation indicates that the product should not be mixed with
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 to 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
Unless you and Renishaw have agreed and signed a separate written agreement, the equipment and/or software are sold subject to the
Renishaw Standard Terms and Conditions supplied with such equipment and/or software, or available on request from your local Renishaw
office.
Renishaw warrants its equipment and software for a limited period (as set out in the Standard Terms and Conditions), provided that they are
installed and used exactly as defined in associated Renishaw documentation. You should consult these Standard Terms and Conditions to find
out the full details of your warranty.
Equipment and/or software purchased by you from a third-party supplier is subject to separate terms and conditions supplied with such
equipment and/or software. You should contact your third-party supplier for details.
ACR2 installation guide
www.renishaw.com
Issued 09 2020
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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.
Company registration details
Renishaw plc. Registered in England and Wales. Company no: 1106260. Registered office: New Mills, Wotton-under-Edge, Gloucestershire,
GL12 8JR, UK.
Packaging
To aid end user recycling and disposal the materials used in the different components of the packaging are stated here:
Packaging component Material 94/62/EC code 94/62/EC number
Outer box Corrugated fibreboard PAP 20
Packing foam Low density polyethylene LDPE 4
Bag Low density Polyethylene LDPE 4
Patents
Features of the ACR2 and associated products, equipment and techniques are the subjects of one or more of the following patents and patent
applications:
EP 0856377 US 5,971,903
ACR2 installation guide
www.renishaw.com
Issued 09 2020
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Product compliance
EU declaration of conformity
Contact Renishaw plc or visit www.renishaw.com/EUCMM for the full EU declaration.
REACH regulation
Information required by Article 33﴾1﴿ of Regulation ﴾EC﴿ No. 1907/2006 ﴾“REACH”﴿ relating to products containing substances of very high
concern (SVHCs) is available at:
www.renishaw.com/REACH
China RoHS
Contact Renishaw plc or visit www.renishaw.com/ChinaRoHSCMM for the full China RoHS tabulation.
ACR2 installation guide
www.renishaw.com
Issued 09 2020
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Warnings
SAFETY NOTE:
Each ACR2 port contains spring-loaded components which cause pinch hazards if covers are removed.
Do not dismantle ACR2 ports or remove them from their mounting plates.
Return defective units to an authorised Renishaw Customer Service Centre.
Pinch hazards exist between moving parts and between moving and static parts. Do not hold any part of the autochange system during
movements or during automatic probe changes.
Beware of unexpected movement. The user should remain outside of the full working envelope of probe head / extension / probe
combinations.
In all applications involving the use of machine tools or CMMs, eye protection is recommended.
There are no user serviceable parts inside Renishaw ACR2 units. Return defective units to an authorised Renishaw Customer Service Centre.
For instructions regarding the safe cleaning of Renishaw products, refer to the MAINTENANCE section of the relevant product documentation.
Refer to the machine supplier's operating instructions.
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 machine
movement.
The expected method of providing an emergency stop for Renishaw products is to remove power.
ACR2 installation guide
www.renishaw.com
Issued 09 2020
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International safety instructions
BG ‐ ПРЕДУПРЕЖДЕНИЕ
Моля, обърнете на приложение 1 и прочетете инструкциите за безопасност на вашия собствен език, преди за разопаковате и
монтирате този продукт.
CZ ‐ VÝSTRAHA
Před rozbalením a instalací tohoto výrobku si přečtěte bezpečnostní pokyny ve vlastním jazyce uvedené v příloze 1.
DA - ADVARSEL
Læs sikkerhedsinstrukserne i Appendix 1 FØR udpakning og installation af dette produkt.
DE - WARNHINWEIS
Bevor Sie dieses Produkt auspacken und installieren, konsultieren Sie bitte Anhang 1 und lesen Sie die Sicherheitshinweise in Ihrer Sprache.
EL ‐ ΠΡΟΕΙΔΟΠΟΙΗΣΗ
Γυρίστε στο Κεφάλαιο 1 και διαβάστε τις οδηγίες ασφαλείας στη δική σας γλώσσα προτού ανοίξετε αυτό το προϊόν για να το
εγκαταστήσετε.
EN - WARNING
Before unpacking and installing this product, please consult Appendix 1 and read the safety instructions in your language.
ES - ADVERTENCIA
Consulte el apéndice 1 y lea las instrucciones de seguridad en su idioma antes de desempaquetar e instalar este producto.
ET - HOIATUS
Palun vaadake 1. lisa ning lugege enne selle toote lahtipakkimist ja paigaldamist ohutusjuhend läbi.
FI - VAROITUKSIA
Lue liitteessä 1 olevat omalla kielelläsi kirjoitetut turvaohjeet ennen tämän tuotteen pakkauksen avaamista ja asentamista.
FR - AVERTISSEMENT
Consulter l'annexe 1 et les instructions de sécurité dans votre propre langue avant de déballer et d'installer ce produit.
ACR2 installation guide
www.renishaw.com
Issued 09 2020
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GA - RABHADH
Téigh chuig aguisín 1 agus déan na treoracha sábháilteachta a léamh i do theanga féin le do thoil sula ndéantar an táirge seo a dhíphacáil
agus a shuiteáil.
HR - NAPOMENA
Prije nego što proizvod izvadite iz ambalaže i ugradite ga, otvorite Prilog 1 i pročitajte sigurnosne upute na svom jeziku.
HU – FIGYELMEZTETÉS
A termék kicsomagolása és telepítése előtt olvassa el az 1. számú függelékben található, az Ön anyanyelvén hozzáférhető biztonsági
utasításokat.
IT - AVVISO
Prima di aprire ed installare questo prodotto, leggere le istruzioni di sicurezza nella vostra lingua riportate nell'Appendice 1.
JA ‐ 警告
この製品を箱から取り出し設置する前に、付録 1 に記載された安全性に関する注意書きをお読みください。
LT – ĮSPĖJIMAS
Prieš išpakuodami ir įdiegdami produktą, turite grįžti prie 1 priedo ir perskaityti nurodymus dėl saugos savo kalba.
LV – BRĪDINĀJUMS
Pirms šī izstrādājuma izsaiņošanas un uzstādīšanas izskatiet 1. pielikumā sniegtās drošības instrukcijas savā valodā.
MT - TWISSIJA
Jekk jogħġbok mur f'appendiċi 1 u aqra l‐istruzzjonijiet tas‐sigurtà fil‐lingwa tiegħek qabel ma toħroġ dan il‐prodott mill‐ippakkjar u
tinstallah.
NL - WAARSCHUWING
Ga naar appendix 1 en lees de veiligheidsinstructies in uw eigen taal, voordat u dit product uitpakt en installeert.
PL ‐ OSTRZEŻENIE
Przed rozpakowaniem i zainstalowaniem tego produktu prosimy o zapoznanie się z Dodatkiem 1 i przeczytanie zaleceń dotyczących
bezpieczeństwa w danym języku.
PT ‐ ADVERTÊNCIA
Você deve retornar ao Anexo 1 e ler as instruções de segurança em seu idioma antes de desembalar e instalar este produto.
ACR2 installation guide
www.renishaw.com
Issued 09 2020
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RO - AVERTISMENT
Înainte de a desface ambalajul şi a instala acest produs, vă rugăm să căutaţi Anexa 1 şi să citiţi cu atenţie instrucţiunile de siguranță, în limba
română.
SK ‐ VÝSTRAHA
Pred rozbalením a inštaláciou tohto produktu si pozrite prílohu 1 a prečítajte si bezpečnostné pokyny vo vašom jazyku.
SL - OPOZORILO
Preden izdelek vzamete iz embalaže in ga vgradite, odprite Prilogo 1 in preberite varnostna navodila v svojem jeziku.
SV - VARNING
Gå till bilaga 1 och läs säkerhetsinstruktionerna på ditt eget språk innan du packar upp och installerar denna produkt.
TW ‐ 警告
在拆開和安裝本品之前,請翻頁至附錄 1 讀母語的安全指示。
中文警告
在拆包和安装本品之前,翻到附1阅读中文版安全明。
ACR2 installation guide
www.renishaw.com
Issued 09 2020
8
Environmental conditions
The following environmental conditions comply with (or exceed) BS EN 61010-1:1993.
Indoor use IP30 (no protection against water)
Altitude Up to 2000 m
Operating temperature - ACR2 +10 °C to +40 °C
Storage temperature ‐10 °C to +70 °C
Relative humidity 80% maximum for temperatures up to +31 °C
Linear decrease to 50% at +40 °C
Transient overvoltages Installation category 2
Pollution degree 1
ACR2 installation guide
www.renishaw.com
Issued 09 2020
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References and associated documents
Title Document number
Installation and user's guide: PHS-2 H-1000-5620
Installation guide: PHS1 H-1000-4044
User's guide: PHS1 H-1000-5081
Programming guide: PHS1 H-1000-6005
ACR2 installation guide
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Issued 09 2020
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Introduction
The ACR2 autochange system is an arm-changing system for the PHS servo positioning head system. It allows probe extensions or probe
adaptor arms to be exchanged to suit the probing task required.
Arms are locked or unlocked from the head by motion of the machine itself. The head engages a rack port and the machine drives the port up
to unlock an arm or down to lock it in position.
No power connections or signal connectors are necessary to the rack, making installation very simple.
The ACR2 is supplied as pairs of rack ports which are mounted onto a suitable fixture supplied by the OEM. The system is modular and any
number of port pairs can be used anywhere on the CMM.
System features
Modular construction Ports can be positioned in pairs anywhere on the machine.
Simple concept The change cycle is operated by CMM motion.
No power connections are needed and all sensing and overtravel
protection is contained within the PHS servo positioning head itself
(no motors, switches or sensors within the rack).
Expandable concept Any number of racks can be fitted anywhere on the machine (e.g. a
four port rack at one end and a two port rack at the other).
Versatile probing ACR2 ports can accommodate touch trigger, analogue contact or
laser scanning probes, with or without extension bars.
Safe operation Sensors on the PHS servo positioning head detect collisions and
check whether arms are correctly and safely locked in position after a
change cycle. The PHS also incorporates an overtravel mechanism to
protect against collisions.
Sealed arm locations Covers with effective seals protect electrical contacts and kinematic
locations when not in use.
System description
The ACR2 rack consists of pairs of ports that store arms. The arms are either head adapters (HA) or head extensions (HE).
The ports allow arms stored in them to be automatically locked and unlocked onto a PHS servo positioning head.
To change probe arms automatically, the CMM must be programmed to complete a series of movements using positions calculated during
the port datum routine. These movements cause a mechanism inside the port to rotate a screwdriver which engages a slot on the arm. The
slot activates a cam which, when rotated, locks the arm in place.
Manual fitment of probe arms can be achieved using the S10 autojoint key supplied.
ACR2 installation guide
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Issued 09 2020
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Arms are located in the rack port on two steel pins which pass through holes in the arm. A spring-loaded lid secures the arm in position and
seals the spring-loaded electrical contacts and kinematic locations against contamination.
Signals to indicate when an arm is present on the head and whether the arm is locked correctly and safely are provided by the servo
positioning head. This ensures that arms are always positively locked on the head.
Crash protection is provided by the head overtravel unit. Any machine move errors or mis-programmed moves which cause an unexpected
collision will cause the head overtravel to operate, sending a signal to stop the machine.
NOTE: The maximum operating speed of the ACR2 autochange rack should not exceed 100 mm/sec.
Six port ACR2 autochange system
ACR2 installation guide
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Issued 09 2020
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Installation
Port pair mounting
The ACR2 autochange system is a modular system with pairs of ports supplied by Renishaw to be mounted on a suitable fixture. In this way,
any number of racks of two, four, six or more ports can be created and positioned anywhere on the CMM.
NOTE: Renishaw do not supply the mounting pillar.
Each port pair can be mounted using four off M8 bolts supplied with the kit or, if a proprietary extrusion is used, M8 T-slot nuts. Mounting
hole positions for M8 bolt mounting are shown below:
ACR2 installation guide
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Issued 09 2020
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Port pair alignment
1. Mount a pair of ports to the mounting fixture using four off M8 bolts through the mounting holes shown in 'Port pair mounting'.
2. Align the port mounting plate, with the use of shims if necessary, such that the front face is aligned to the machine axes within ±0.1° ﴾0.5
mm runout) and the runout on the top face is within 0.5 mm.
Two off M8 screws (supplied in the port pair kit) can be used in the adjustment holes to assist in aligning the port pair.
ACR2 installation guide
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Issued 09 2020
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Port pair alignment checking procedure
In order to check the alignment of a port pair, the following procedure should be used:
Place the tool onto the alignment pins, as shown below, ensuring the alignment pins are seated in the levelling tool vee grooves.
If the port is correctly aligned, the bubble should be central within the graticule.
Placing the alignment tool onto the ACR2 port
NOTE: If the alignment is found to be incorrect, the port pair alignment procedure should be repeated.
Rack reference
It may be useful to add a reference sphere to the rack pillar. The reference sphere can be used as a master reference for the position of the
rack pillar relative to the zero reference position of the machine.
ACR2 installation guide
www.renishaw.com
Issued 09 2020
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Manual operation
Probe arm locking mechanism:
Refer to 'Automatic operation' for information on automatic probe exchange.
ACR2 installation guide
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Issued 09 2020
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To change a probe manually
NOTE: It is advised that no measurements should be made after a manual probe change. It is suggested that the probe should be
unloaded and loaded in the autochange rack before use.
1. With the use of the autojoint key, ensure that the cam slot which operates the locking mechanism is in the unlocked ‘1 o'clock' position
(see 'Cam positions' figure below).
2. Place the probe arm in position, ensuring that the central pin on the head is aligned with the mating hole on the probe arm.
3. The alignment pin in the probe arm will engage and align the kinematic locations (see 'Probe arm locking mechanism' figure above).
4. Once aligned, turn the key to its locked ‘5 o'clock' position ﴾see 'Cam positions' figure below﴿.
5. Once aligned, insert the S10 autojoint key into the cam slot and turn fully clockwise to the cam end stop. Then back the cam off by
approximately 5° to ensure correct docking with the ACR2 port mechanism.
NOTE: If a probe adapter or extension is manually locked, it is important that the cam is fully locked and then backed off by
approximately 5°, or the probe arm may not dock correctly in the ACR2 port.
ACR2 installation guide
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Issued 09 2020
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Cam positions:
ACR2 installation guide
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Issued 09 2020
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Automatic operation
This section gives a suggested method for datuming an ACR2 autochange rack port and the recommended CMM movements for change
cycles using that datum position.
Port datum procedure
This method allows datuming of each ACR2 port by taking probing points on one of the location pins.
1. Qualify the PHS and probe combination as shown below.
NOTE: The probe tip must be qualified before the port can be datumed.
A typical probe assembly suitable for port datuming would be:
HA8 probe arm
TP2 probe
PS17R 20 mm stylus
Nominal offset values for this probe assembly are:
RD 72 mm
RE 104 mm
The values RD and RE should be established to within ±0.1 mm by the probe qualification procedure.
NOTE: The angular orientation of the D and E axes required for port datuming ﴾D 0°, E 0°﴿. The probe tip should be aligned to the
axis origins to within 0.1°.
ACR2 installation guide
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Issued 09 2020
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ACR2 port datum procedure:
2. Position the ACR2 port in the lower latched position.
NOTE: Angular orientation of D and E axes required for port datum procedure ﴾D and E 0°﴿.
NOTE: To manually move between upper and lower positions, the two port pins must be pushed to the left to disengage the
motion locks.
3. Lift the lid retaining clip up to hold the latch in the open position.
ACR2 installation guide
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Renishaw ACR2 Ghid de instalare

Tip
Ghid de instalare