Renishaw XR20-W User Manual
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Renishaw XR20-W User Manual

Renishaw XR20-W User Manual

Rotary axis calibrator
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User guide
F-9950-0400-01 B
XR20-W rotary axis calibrator

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Summary of Contents for Renishaw XR20-W

  • Page 1 User guide F-9950-0400-01 B XR20-W rotary axis calibrator...
  • Page 2 Renishaw plc or its subsidiaries. All other brand names and product names used in this document are trade Renishaw reserves the right to make changes to this document and to the product names, trade marks, or registered trade marks of their respective owners.
  • Page 3 0 dBm maximum EC compliance Frequency band: 2.402 - 2.480 GHz Renishaw plc declares that the XR20-W system complies with the applicable Communication distance: 10 m typical operation directives, standard and regulations. A copy of the full EC Declaration of Conformity is available upon request.
  • Page 4 XR20-W rotary axis calibrator Taiwan RoHS compliance 低功率電波輻性電機管理辦法 Packaging Material ISO 11469 Recycling 第十二條經型式認證合格之低功率射頻電機，非經許可，公司、商號或使用者均不 components guidance 得擅自變更頻率、加大功率或變更原設計之特性及功能。 Internal box Cardboard Not applicable Recyclable 第十四條低功率射頻電機之使用不得影響飛航安全及干擾合法通信；經發現有干擾 Outer box Cardboard Not applicable Recyclable Insert Cardboard Not applicable Recyclable 現象時，應立即停用，並改善至無干擾時方得繼續使用。前項合法通信，指依電信 Low density polyethylene LDPE Recyclable 規定作業之無線電信。低功率射頻電機須忍受合法通信或工業、科學及醫療用電波...
  • Page 5 Information to the user (47CFR:2001 part 15.21) The user is cautioned that any changes or modifications, not expressly approved by Renishaw plc or authorised representitive, could void the user’s authority to operate the equipment. Canada - Industry Canada (IC) This device complies with RSS 210 of Industry Canada.

  • Page 6: Table Of Contents

    XR20-W fault finding ........

  • Page 7: Safety Information

    XR20-W rotary axis calibrator. The XR20-W can reflect the laser beam from the laser around the room as it This should be carried out by qualified users (requiring machine competency, rotates. Consideration should be given to other users working in the area.

  • Page 8: Battery Safety

    • If a battery is damaged, exercise caution when handling it. • In accordance with (IEC) EN60825-1, Renishaw XL-80 and XM systems used to provide a laser source for XR20-W are class 2M lasers and safety Mechanical safety goggles are not required (under normal circumstances the eye will blink and look away before damage can occur).

  • Page 9: Transportation

    The XR20-W uses a lithium ion battery. Lithium batteries are classified as dangerous goods and strict controls apply on their shipment by air. To reduce the risk of shipment delays, should you need to return your XR20-W to Renishaw for any reason, do not return any batteries.

  • Page 10: System Overview

    As the axis rotates, the software counter-rotates the XR20-W to ensure that the laser beam is returned back to the laser, maintaining signal strength.

  • Page 11: System Components

    XR20-W rotary axis calibrator System components XR20-W Centration aid Mounting ring Mounting ring adaptor Battery Li-Polymer Calibration software kit Battery charger & cables XR20-W case Chuck adaptor...

  • Page 12: Calibration Software Kit

    XR20-W rotary axis calibrator Calibration software kit The XR20-W rotary axis calibrator is supplied with the “Calibration software kit” which comprises: • CARTO suite • User guides and documentation for XM, XL-80 and XC-80. The CARTO suite features two applications:...
  • Page 13 Mounting ring adaptor Centration aid The mounting ring adaptor plate enables the XR20-W to be fitted to rotary tables The centration aid allows the mounting ring to be easily centred to the axis of with unsuitable centre recesses. It can also be used to secure the XR20-W rotary rotation of the machine under test before the XR20-W rotary axis calibrator is axis calibrator to the chuck adaptor and custom mounts.

  • Page 14: Setting Up A Test

    Ensure that the laser beam can reach the rotary table without obstruction. 2. The XR20-W will require a defined test method to be entered into the machine tool control via a part program. The test method and part program can be generated from the CARTO software.
  • Page 15 7. Alignment of the rotary table can be carried out visually with the centration aid from the XR20-W kit or by using a dial test indicator (DTI). The centration of the 8. Once aligned, the mounting ring should be fixed to the axis using bolts mounting ring should be aligned to the following specification: mounted through the mounting holes into the machine’s T-Slots.

  • Page 16: Setup Xm System

    XR20-W rotary axis calibrator Switch on the XR20-W briefly to check the battery power by confirming that Setup XM system the LED goes green, then switch off again to conserve battery power. If the 1. Attach the beam blocker to the front of the XM launch unit.
  • Page 17 XR20-W rotary axis calibrator 3. Observe the reflected beam on the launch beam blocker. Adjust the pitch of the 5. Turn the XR20-W optics back around so that the retroreflectors are pointing launch so that the reflected beam is on the centreline.

  • Page 18: Setup Xl System

    2. Move the machine using the hand wheel in X, Y and Z to provisionally position the angular interferometer between the laser and the XR20-W. The angular 1. For XL-80 use, assemble the magnetic base, optics mounting kit and the interferometer should be relatively close to the XR20-W angular reflector to angular interferometer optic and attach to the machine spindle as shown.
  • Page 19 XR20-W rotary axis calibrator 7. Adjust the laser so that the beam hits the alignment aid. For more information 9. To minimise measurement errors the laser beam should be aligned on laser alignment controls, refer to the relevant laser user guide.
  • Page 20 Make pass through the angular interferometer and both beams returned from the translation adjustments to the laser and tripod, if required. XR20-W’s angular reflector should now overlap on the middle of the laser shutter’s target. Reduced beam aperture...

  • Page 21: Bluetooth ® Setup

    The XR20-W rotary axis calibrator communicates with the PC using Bluetooth wireless technology. Before you can connect the XR20-W you must provide Bluetooth capability on your PC. This can be done either by enabling the PC’s internal Bluetooth device (if available) or by using a proprietary USB Bluetooth dongle recommended by Renishaw.

  • Page 22: Feedrate

    Feedrate If you do not have on-board Bluetooth capacity on your PC then you will need to If the target interval is greater than 10 degrees then the XR20-W rotary axis obtain a USB Bluetooth dongle. calibrator will automatically track the movement of the machine under test so that the XR20-W’s angular reflector continues to face the laser as the machine moves...

  • Page 23: Different Mounting Configurations

    XR20-W facing ring are clean and free of swarf, debris and burrs. Mounting setup 1 (default configuration) In most applications the facing ring of the XR20-W can be mounted directly to the surface of the axis under test (as shown) using the mounting ring.
  • Page 24 XR20-W mounting ring being mounted securely and parallel to the rotary axis. Mount the XR20-W to the axis under test as shown. Ensure the correct screws are used to mount the adaptor plate to the mounting ring.
  • Page 25 XR20-W rotary axis calibrator Mounting setup 3 (lathes) When calibrating lathes, the chuck adaptor should be used. The mounting screws required are as follows: • The screws to fix the chuck adapter to the adapter plate are 4 off M4 x 12 long cap head screws.
  • Page 26 This scheme may be required if it is not possible to mount the laser directly in front An example of how to set this up is described in the getting started section; see of the XR20-W rotary axis calibrator due to machining guarding. In this example setting up the hardware section for more details.
  • Page 27 XR20-W rotary axis calibrator Optical setup using XM-60 Optical setup 3 If the beam emerging from the laser is parallel to the machine axis of rotation then If using XM system laser source, use custom fixturing to suspend launch unit from an additional turning mirror will be needed.

  • Page 28: Setup Errors

    XR20-W rotary axis calibrator Axes of rotation coincident but not parallel Setup errors When mounting the XR20-W rotary axis calibrator and setting up the optics, it Induced error is important to get them aligned as accurately as possible. Small misalignments are expected to exist so this section indicates how tolerant the software is at minimising or eliminating them, or the effect they have on captured data.
  • Page 29 In this case it is recommended that the TIR (Total Indication Run out) of the surface the XR20-W is to be mounted to is checked (whilst rotating the axis under test) using a dial gauge. This allows alignment to be verified before the test starts.
  • Page 30 The angle of E can be calculated within the setup by measuring the vertical position of beam 2 relative to 1 and then using the comparison table below. Beam aperture Reflected beam Distance between XL80/ Maximum vertical offset XM and the XR20-W (m) (mm)
  • Page 31 XR20-W rotary axis calibrator Reflector not perpendicular to laser beam when laser is datumed at start of Reflector separation not exactly 30 mm optical set up calibration cycle 30 mm • Limited danger of beam obstruct (only if E > 10°). To avoid signal strength loss, ensure E<2°.

  • Page 32: Diagnostics And Troubleshooting

    Machine enclosure preventing communication position inside of machine enclosure • XR20-W switched off • Ensure XR20-W is switched on • No battery fitted • Switch the XR20-W off and then on • Battery flat • Replace the battery XR20-W status LED off •...

  • Page 33: Status Leds

    If the XR20-W is idle for 5 minutes it will switch itself off and the status LED will go off. The unit will need to be switched off, then on again, and re-referenced before...

  • Page 34: Care And Handling

    Renishaw’s recalibration procedure includes Hardware reminder general cleaning. The XR20-W has the calibration date indicated on a label on the side of the unit. Compared to your investment in the measurement system, staff and procedures, Software reminders periodic recalibration is a modest additional cost and could prevent far more expensive and bigger problems arising later.

  • Page 35: Calibration Certificate

    • Place the XR20-W mounting ring and adaptor plate into the case when not in Duplicate documents can be supplied but there will be a charge for this service.

  • Page 36: Cleanliness Of Optics

    XR20-W rotary axis calibrator Cleanliness of optics The optics must be kept as clean as possible. Dirty optical surfaces are likely to result in a loss of signal strength making calibration more difficult. Clean the optics only when necessary. The emphasis should be on handling and storing the optical components so that they don’t become dirty or smeared, rather...

  • Page 37: System Specification

    Non-condensing Range 0° to 360° Temperature -20°C to 60°C Note: to protect against battery damage the XR20-W rotary axis calibrator Rotary (with XM system) will not power up when operated below 0°C and above 40°C Accuracy ±1.2 arcsec (at 20°C) Resolution 0.1 arcsecs...
  • Page 38 XR20-W rotary axis calibrator Spec for charger Battery and charger Technical data: part # 56446 702 099 (rechargeable Li-Polymer) Technical data Battery type Varta EasyPack XL part # 56446 702 099 Input voltage 100 V to 240 V Output Voltage 4.2 V nominal...

  • Page 39: Usb Power Supply

    Important: to ensure correct operation only use the USB power supply supplied and USB cables with the correct power rating. The USB power supply can be used to power the XR20-W rotary axis calibrator. The USB power supply should be used if no charged batteries are available or the user is performing a long test.

  • Page 40: Power Supply: Rechargeable Battery

    XR20-W rotary axis calibrator Power supply: rechargeable battery To remove a battery, turn the battery cover on the bottom of the XR20-W anticlockwise, and remove to reveal the battery compartment. The XR20-W rotary axis calibrator kit contains Li-Polymer Varta Easypack batteries and associated charger.
  • Page 41 Battery charger inside the battery compartment. The XR20-W will indicate that the battery charge is getting low via the status LEDs on the side of the unit. To recharge the battery, remove it from the unit and place it into the slot in the battery charger. Ensure that the terminals of the battery line up with the terminals inside the charger.

  • Page 42: Weights And Dimensions

    XR20-W rotary axis calibrator Weights and dimensions Description Weight XR20-W weight 1.2 kg XR20-W system weight in case 6.5 kg XR20-W Chuck adaptor Ø 101 Ø 60 Ø 40 4 x 80 PCD, C’BORE Ø 9.2 x 7 DP &...
  • Page 43 XR20-W rotary axis calibrator Mounting ring Mounting adaptor Ø 128 PCD Ø 120 PCD Ø 150 4 SLOTS Ø 10.6 Ø 80 PCD Ø 150 Ø 60 Ø 60 Ø 96 4 POSN’S M5 THRO’...
  • Page 44 Renishaw plc +44 (0)1453 524524 +44 (0)1453 524901 New Mills, Wotton-under-Edge uk@renishaw.com Gloucestershire, GL12 8JR United Kingdom www.renishaw.com For worldwide contact details, visit www.renishaw.com/contact *F-9950-0400-01* Issued: 07. 2018 Part no. F-9950-0400-01-B © 2018 Renishaw plc...

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