Renishaw XL Series User Manual
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Renishaw XL Series User Manual

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User guide
F-9908-0683-01-A
XL laser system user guide

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Summary of Contents for Renishaw XL Series

  • Page 1 User guide F-9908-0683-01-A XL laser system user guide...
  • 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 Kit outer box Cardboard - 70% recycled content EC compliance Renishaw plc declares that the XL system complies with the applicable directives, XL-80 outer box Cardboard - 70% recycled content standard and regulations. A copy of the full EC Declaration of Conformity is Accessories outer available upon request.
  • Page 4 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 representative, could void the user’s authority to operate the equipment.

  • Page 5: Table Of Contents

    XL laser system Contents XL laser system – hardware Safety information ........7 Appendix A .
  • Page 6 XL laser system Contents XL laser system – applications Linear measurement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70 Angular measurement (pitch/yaw) .

  • Page 7: Safety Information

    XL laser system Safety information Safety labelling Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure . Ensure that you read and understand the XL laser system user guide before using any XL laser system . The XL laser system can be used in a variety of environments and applications.

  • Page 8: Mechanical Safety

    • If you are using a part program or error correction parameters generated by before any other action is taken. the Renishaw software, it is the responsibility of the user to validate these • Never connect the system to devices not intended to be used with the XL at low feedrate and be prepared to operate an emergency stop button if laser system.
  • Page 9 XL laser system XL-80 hardware XL-80 applications XL-80 hardware...

  • Page 10: System Overview

    XL laser rear panel. The option provides two levels of user-selectable quadrature resolution – 80 nm and 10 nm (see Appendix A for more information). XL-80Q may have export control restrictions in your region. Please contact your local Renishaw subsidiary for further information.

  • Page 11: Xc-80 Environmental Compensator

    XL laser system XL-80 hardware XL-80 applications XL laser controls and indicators XC-80 environmental compensator USB socket Calibration due date The XL laser system specified accuracy for interferometric measurements is only DIP switches Pitch adjustment valid when used with a calibrated XC-80 environmental compensator. Auxilliary I/O 24 V DC power input socket Changes in air temperature, pressure and relative humidity affect the wavelength...

  • Page 12: Tripod Stage

    XL laser system XL-80 hardware XL-80 applications Tripod stage The stage and universal tripod provide a stable mounting for the XL laser, allowing it to be set up at different heights and giving full alignment control of the laser beam. The stage is designed to provide yaw and translation adjustment to enable easy alignment.

  • Page 13: Universal Tripod

    XL laser system XL-80 hardware XL-80 applications Universal tripod Bubble level The tripod is designed to provide a stable mounting for the XL laser and allow the The tripod stage kit is supplied with a bubble level. The bubble level is used to height to be adjusted.

  • Page 14: Linear Measurement Optics

    XL laser system XL-80 hardware XL-80 applications Linear measurement optics Angular measurement optics The linear measurement optics are used for measuring linear positional accuracy. The angular measurement optics are used to measure angular displacements, particularly angular pitch and yaw. The angular displacement is achieved by The linear displacement is measured by the difference between the interferometer measuring the difference between the angular interferometer and retro-reflector.

  • Page 15: Linear And Angular Optics Combination Kit

    The linear and angular optics combination kit is a cost-effective option for users The optics mounting kit is used to fit the Renishaw measurement optics to a CMM who only wish to perform these two measurements. It allows either linear or or machine tool.

  • Page 16: Straightness Measurement Optics Kit

    XL laser system XL-80 hardware XL-80 applications Straightness measurement optics kit Flatness measurement kit The straightness measurement optics are used to measure straightness errors in a The flatness measurement kit is used to measure the flatness of surface plates linear axis. Straightness errors are displacements perpendicular to the axis of travel, and granite tables.

  • Page 17: Squareness Measurement Kit

    XL laser system XL-80 hardware XL-80 applications Squareness measurement kit Large retroreflector This kit allows the measurement of axis squareness (perpendicularity). It must be used in conjunction with the straightness measurement optics and also, when The large retro-reflector is used to measure the one axis is vertical, the adjustable turning mirror, straightness shutter and large straightness of vertical axes.

  • Page 18: Adjustable Turning Mirror

    XL laser system XL-80 hardware XL-80 applications Adjustable turning mirror Swivel mirror The swivel mirror is used to deflect the laser beam in the vertical plane The vertical turning mirror is used for through the range 0° to 135°. straightness measurements along vertical axes and can also be used in The swivel mirror can be used in some horizontal axis measurements.

  • Page 19: Ls350 Laser Beam Steering Optic

    XL laser system XL-80 hardware XL-80 applications LS350 laser beam steering optic Long range linear accessory kit The long range large retro-reflector and periscope returns the measurement beam from the periscope back to the laser at the correct displacement to enter the laser detector port.

  • Page 20: Pan And Tilt Adaptor Kit

    XL laser system XL-80 hardware XL-80 applications Small linear optics kit Pan and tilt adaptor kit The small linear optics kit allows the XL laser system to be used in applications The pan and tilt adaptor is designed to allow flexible mounting of laser calibration where a small and light measurement optic is desirable, minimising its effect on equipment at angles between 0°- 90°...

  • Page 21: System Cases

    XL-80 hardware XL-80 applications System cases Tripod cases Renishaw supplies storage cases in two sizes, designed to protect the laser A heavy-duty fabric case allows for safe storage and transportation of the system from damage in storage and transit. Renishaw tripod..

  • Page 22: Specifications

    XL laser system XL-80 hardware XL-80 applications Specifications XL laser Laser source HeNe laser tube (Class II) Laser power <1 mW Mode of operation Continuous-wave (CW) Nominal wavelength at NTP* 633 nm (nominal) Vacuum wavelength See underside of laser Minimum beam divergence 0.14 mrads Laser frequency accuracy ±0.05 ppm (12 months)
  • Page 23 XL laser system XL-80 hardware XL-80 applications Specifications System storage Storage temperature range -25 °C to 70 °C Storage humidity range 0% to 95% non-condensing Storage pressure range 650 mbar to 1150 mbar Power supply unit Input voltage 100 to 240 V ±10% Input frequency 47 to 63 Hz Output voltage...
  • Page 24 XL laser system XL-80 hardware XL-80 applications Specifications Linear measurement Standard range 0 m to 80 m Accuracy (with XC compensator) ±0.5 ppm* Resolution 0.001 µm Maximum velocity 240 m/min (4 m/s) Note: The accuracy values do not include the errors associated with the normalisation of the readings to a meterial temperature of 20 °C * k=2 (95% confidence) EA-4/02, ISO Angular measurement Axial range...
  • Page 25 XL laser system XL-80 hardware XL-80 applications Specifications Straightness measurement Short range 0.1 to 4.0 m Axial range Long range 1 to 30 m Straightness measurement range ±2.5 mm Short range ±0.5% ±0.5 ±0.15M µm Accuracy Long range ±2.5% ±5 ±0.015M µm †...
  • Page 26 XL laser system XL-80 hardware XL-80 applications Specifications Flatness measurement Axial range 0 to 15 m Flatness measurement range ±1.5 mm Accuracy ±0.6% ±0.02M µm 0.02 µm for 150 mm base Resolution 0.01 µm for 50 and 100 mm base Where: M = length of the diagonal in metres % = percentage of calculated flatness...

  • Page 27: Dimensions And Weights

    XL laser system XL-80 hardware XL-80 applications Dimensions and weights XL-80 laser 214 mm 70 mm 9 mm 190 mm 65 mm Weight 1.85 kg 25 mm 160 mm 10 mm 3 POS’N...
  • Page 28 XL laser system XL-80 hardware XL-80 applications Tripod stage XC environmental compensation 184 mm 160 mm 77 mm 135 mm Weight 0.49 kg Air temperature sensor Material temperature sensor 33 mm 36 mm 17 mm 17 mm 36 mm 46 mm 46 mm 3.8"...
  • Page 29 XL laser system XL-80 hardware XL-80 applications Linear measurement optics Angular measurement optics Angular interferometer Linear reflector 15 mm 28 mm 28 mm 6 mm 28 mm M3 thread M3 thread 38 mm 37 mm 28 mm 7 mm 28 mm 30 mm 58 mm 38 mm...
  • Page 30 XL laser system XL-80 hardware XL-80 applications Flatness measurement optics Straightness measurement optics (short and long range) White alignment lines Tilt adjustment Flatness mirror Straightness interferometer Mirror M8 thread 9 mm 18 mm 19 mm 42 mm 48 mm 27 mm 100 mm 28 mm 8 mm...
  • Page 31 XL laser system XL-80 hardware XL-80 applications Large retroreflector Straightness base 81 mm 70 mm M8 thread (4 positions) 28 mm (on rear face) 6 mm 88 mm 124 mm 28 mm 14 mm M8 thread Ø80 mm Weight 587 g M8 thread Weight 387 g...
  • Page 32 XL laser system XL-80 hardware XL-80 applications Squareness measurement optics Bracket for optical square Optical square M3 thread 63 mm 21 mm 46 mm 54 mm 7 mm 46 mm 33 mm 14 mm 22 mm 62 mm 10 mm Ø4 mm thro’...
  • Page 33 XL laser system XL-80 hardware XL-80 applications Optics mounting kit Clamp block Base plate M8 thread 38 mm 58 mm 50 mm 6 mm 37 mm 75 mm 28 mm Weight 119 g Weight 146 g 63 mm 51 mm 14 mm 4 mm Ø32 mm...
  • Page 34 XL laser system XL-80 hardware XL-80 applications Accessories Swivel mirror Fixed turning mirror 38 mm 38 mm 70 mm 60 mm M3 thread (16 positions) 38 mm M8 thread thru 38 mm 28 mm Weight 110 g 60 mm LS350 laser beam steering optic Weight 200 g 38 mm...

  • Page 35: Full Xl System Case

    XL laser system XL-80 hardware XL-80 applications Full XL system case (tray removed)
  • Page 36 XL laser system XL-80 hardware XL-80 applications Full system case (tray)

  • Page 37: Full Xl System Contents

    XL laser system XL-80 hardware XL-80 applications Full XL system contents Index Part number Part name Includes Part number (qty 1) Index XL-80 laser Universal power supply A-9908-0299 A-9908-0405 XL-80 laser kit USB cable A-9908-0286 Laser software kit A-9908-0201 not shown AUX/I/O connector A-9908-0329 not shown...

  • Page 38: Full Xl System Contents (Additional Items)

    XL laser system XL-80 hardware XL-80 applications Full XL system contents (additional items) Index Part number Part name Includes Part number (qty 1) Index Long range retroreflector A-8003-2061 Periscope A-8003-2039 A-8003-4270 Long range linear accessory kit Long range target M-8003-2081 Clamp screw (qty 2) M-8003-0221 Clamp block (qty 2)

  • Page 39: Base Xl System Case

    XL laser system XL-80 hardware XL-80 applications Base XL system case...

  • Page 40: Base Xl System Case Contents

    XL laser system XL-80 hardware XL-80 applications Base XL system case contents Index Part number Part name Includes Part number (qty 1) Index XL-80 laser Universal power supply A-9908-0299 A-9908-0405 XL-80 laser kit USB cable A-9908-0286 Laser software kit A-9908-0201 not shown AUX I/O connector A-9908-0329...

  • Page 41: Diagnostics And Troubleshooting

    • Check laser beam is present Solid red Beam break - measurements cannot be made, • If no laser beam, power cycle • If issue persists, contact local Renishaw office • Check laser alignment Beam low - measurement accuracy is reduced, Solid amber •...

  • Page 42: Laser Status Led Info

    Actions • Check laser beam is present Solid red Error • Power cycle the laser • If issue persists, contact local Renishaw office • Check laser alignment Solid amber Laser unstable • If issue persists, power cycle • If issue persists, contact local Renishaw office...

  • Page 43: Common Causes Of Laser Destabilisation

    XL laser system XL-80 hardware XL-80 applications Common causes of laser destabilisation Back reflections The feedback circuit which controls the heater, and thus stabilises the laser, is based on monitoring the output beam from the laser tube. If the laser beam is reflected back into the output beam aperture of the laser shutter, the detection circuitry can be confused as the reflected beam will interfere with the outgoing beam.

  • Page 44: Care And Handling

    Recalibration facilities Note: This is 3 years from sale by Renishaw rather than from factory calibration date as stated on the calibration certificates supplied with the Recalibration of the XL laser requires specialist test rigs and software to give new equipment, since the units are stored under controlled conditions by results comparable to the original factory calibration.

  • Page 45: Xl Laser Calibration

    Calibration certificate Each XL laser is delivered with a calibration certificate. This demonstrates that the system has been calibrated at the Renishaw factory against reference systems with traceability to National Standards. It is proof of the equipment’s performance as tested before delivery. Visit the Calibration product quality and conformance webpage for more information.

  • Page 46: Care And Maintenance

    XL laser system XL-80 hardware XL-80 applications Care and maintenance Optics Care of small linear optics kit Cleaning of the optics should be a last resort If contamination of the beam reducer’s optical surfaces is suspected, remove them from the housing for cleaning by undoing the four cap screws retaining the optics To maintain system performance, the XL optics must be kept clean by cartridge within the housing and then carefully inverting the unit to separate it from following good handling practice:...

  • Page 47: Auxiliary I/O

    XL laser system XL-80 hardware XL-80 applications Appendix A Auxiliary I/O Auxiliary I/O connector kit The XL laser auxiliary I/O functions are provided by the port on the back panel. An auxiliary I/O connector kit is provided with the XL laser kit to enable users to Auxiliary functions provided are remote triggering, quadrature output and configure cable connections for use with the XL laser’s auxiliary I/O port.

  • Page 48: Dip Switch Settings

    XL laser system XL-80 hardware XL-80 applications DIP switch settings There are four DIP switches on the back of the XL laser, each of which can be ON (rocker up position) or OFF (rocker down position). The table below summarises the DIP switch settings.

  • Page 49: Auxiliary I/O Connector

    XL laser system XL-80 hardware XL-80 applications Auxiliary I/O connector Pin number Function Reserved - do not connect Analogue position voltage output † Reserved - do not connect Reserved - do not connect /B output* B output* Reserved - do not connect The table opposite shows the Auxiliary I/O pin connections available from the connector: Reserved - do not connect...

  • Page 50: Remote Triggering

    XL laser system XL-80 hardware XL-80 applications Appendix B +3.3 V Remote triggering The remote trigger facility allows data to be captured by the calibration software, 10 K Fast trigger input upon receipt of a trigger signal generated remotely, e.g. from a machine under test. The trigger signal is input via the auxiliary I/O port on the rear panel of the XL Trigger input protected to ±...

  • Page 51: Slow Trigger

    XL laser system XL-80 hardware XL-80 applications Slow trigger Slow trigger specifications This mode allows the XL laser to be triggered using a noisier trigger signal, for Active Edge Falling example from a relay or switch as shown opposite. This signal is applied to the slow trigger pin of the auxiliary I/O port.

  • Page 52: Quadrature Output

    XL-80Q may have export control restrictions in your region. Please contact your local Renishaw subsidiary for further information. Format Linear measurement optical setup These signals are not compensated for changes in the refractive index of air.

  • Page 53: Accuracy

    XL laser system XL-80 hardware XL-80 applications Accuracy +3.3 V The transitions of the quadrature signals are accurate to within ±10 nm at low velocities. However, there is a very small propagation delay (D) between a change 10 K in the optic position and in the quadrature output. So the true accuracy of the Slow trigger input transition (ignoring air refraction errors, see below) is given by: Accuracy = ±(10 + Dv) nm...

  • Page 54: Rs422 Receiver Circuitry

    XL laser system XL-80 hardware XL-80 applications RS422 receiver circuitry Hysteresis The image below shows a recommended circuit for the user end of RS422 receivers. Electrical noise or axis vibration can cause multiple edges to appear at each quadrature transition as shown below, even when stationary. A, B and ALARMOUT signals should be DC terminated with 100W - 120W resistor.

  • Page 55: Suggested Extraction Of Valid Data

    XL laser system XL-80 hardware XL-80 applications Suggested extraction of valid data The maximum velocities possible are 1.6 m/s for 80 nm quadrature and 0.2 m/s for 10 nm quadrature. The circuit shown below can be used to extract valid quadrature. The clock frequency should be selected according to the maximum velocity to be measured.

  • Page 56: Xl-80Q Operation With Rcu10

    XL laser system XL-80 hardware XL-80 applications XL-80Q operation with RCU10 XL-80Q Setup: RCU10 Configuration XL-80Q DIP switch 2 must be set for appropriate quadrature resolution Below are the configuration settings for the RCU10 to XL-80Q. These settings are configured on the RCU10 using the RCU-CS software. For full details please “ON”...

  • Page 57: Analogue Signal Output

    XL laser system XL-80 hardware XL-80 applications Analogue signal output The following table outlines the error conditions that can occur and how they can be cleared: Analogue output is available as a factory set option. Error condition Auxiliary I/O error Analogue output To clear the The analogue signal output facility outputs a voltage which is proportional to...
  • Page 58 XL laser system XL-80 hardware XL-80 applications Electrical performance specification 10 K Pin 16 Output voltage range ± 5 V Datum input Accuracy (over ± 4.5 V range) ± 2 % of full scale Datum input protected to ± 12 V DC Rollover limit ±...
  • Page 59 XL laser system XL-80 hardware XL-80 applications XL-80 applications Linear Angular...

  • Page 60: Introduction

    XL laser system XL-80 hardware XL-80 applications Introduction Aims of the guide • Provide the reader with the skills and confidence necessary to perform measurements using the XL laser system. • Highlight the factors affecting measurements and methods of reducing/eliminating them. •...
  • Page 61 XL laser system XL-80 hardware XL-80 applications Introduction Measurement modes This guide includes: Linear Linear measurement is the most common form of measurement performed with a laser. The XL laser system measures linear positioning accuracy and repeatability by comparing the position displayed on the machine's axis read-out with the true position measured by the laser and optics.

  • Page 62: Measurement Considerations

    XL laser system XL-80 hardware XL-80 applications Linear Angular Measurement considerations Alignment Correct alignment of the laser is essential to provide an accurate measurement. Basic alignment rules are shown on the following pages, further alignment steps for each measurement type are detailed in each section.

  • Page 63: Carto Software Suite

    The XL system is used with the CARTO software suite. This is made up of three applications; Capture collects laser interferometry data Explore enables powerful analysis to international standards Compensate generates compensation files for precision applications www .renishaw .com/carto here to navigate to Calibration manuals and user guides Click...

  • Page 64: Basic Set-Up

    XL laser system XL-80 hardware XL-80 applications Linear Angular Basic set-up Setting up the tripod Place the bubble level onto the tripod boss Adjust the tripod legs to ensure that the bubble is level Note: the height of the tripod should be set to approximately the height of the machine bed/optics...
  • Page 65 XL laser system XL-80 hardware XL-80 applications Linear Angular Basic set-up Attaching the laser to the tripod 1. Attach the laser to the tripod stage using the three stage Place the bubble level on top of the XL laser and level the laser Connect the XL laser to the PC via the USB cable.

  • Page 66: Visual Alignment

    XL laser system XL-80 hardware XL-80 applications Linear Angular Visual alignment Set all laser stage adjustments to the mid-positions. Set the tripod’s vertical and horizontal adjustment away from the end of its travel Visually align the unit to the machine axis of travel by moving or adjusting the tripod Height adjustment Horizontal translation adjustment...

  • Page 67: Set Up Of The Xc Compensator

    XL laser system XL-80 hardware XL-80 applications Linear Angular Set up of the XC compensator Attach the XC environmental Connect the air and material sensors to the XC environmental compensator compensator to the machine Note: Care should be taken to ensure that the cables do not obstruct moving components during operation.

  • Page 68: Basic Rules Of Alignment

    XL laser system XL-80 hardware XL-80 applications Linear Angular Basic rules of alignment Near field adjustment – when the measurement retroreflector is closest to the laser. Translate tripod or… …Translate the machine axes...
  • Page 69 XL laser system XL-80 hardware XL-80 applications Linear Angular Basic rules of alignment Far field adjustment – when the measurement retroreflector is furthest from the laser. Adjust the pitch and yaw screws on the laser and tripod stage...

  • Page 70: Linear Measurement

    XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Linear measurement...

  • Page 71: Mounting The Optics

    XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Mounting the optics The linear measurement set up...
  • Page 72 XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Mounting the optics Mounting the retroreflector The linear measurement set up Reduced beam aperture Target Assemble the retroreflector assembly as shown. Attach the target onto the face of the retroreflector Rotate the laser shutter to emit a reduced diameter beam Mount to the moving element of the machine...
  • Page 73 XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Mounting the optics Mounting the retroreflector The linear measurement set up Drive the retroreflector to the ‘near field’ position Adjust the beam to the centre of the white target using the Remove the target and check that the returned beam hits translation screws the centre of the target on the XL laser shutter –...
  • Page 74 XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Mounting the optics Mounting the retroreflector The linear measurement set up <10 mm Assemble the interferometer assembly as shown Attach target to input aperture and align with the beam Mount to the stationary element of the machine; •...

  • Page 75: Visual Alignment

    XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Visual alignment Mounting the linear interferometer The linear measurement set up Remove the target Ensure that the two return beams are overlapping on the shutter target. Adjust as required.
  • Page 76 XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Visual alignment Use the machine to move the reflector away from the interferometer Stop if the beam drifts past the edge of the target shutter Adjust the pitch and yaw so the beam hits the centre of the target Use the machine to drive the reflector towards the...
  • Page 77 XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Visual alignment Remove the target Ensure that the two return beams are overlapping on the shutter target. Use the tripod height adjustment and the horizontal adjustment on the tripod stage to bring the beams back to the centre of the target...

  • Page 78: Fine Alignment

    XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Fine alignment Removal of cosine errors At the far position, carefully adjust the pitch/yaw until the Rotate the XL laser shutter to the open position ready for data signal strength bar at the top of the Capture software screen capture.

  • Page 79: Linear Measurement

    XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Linear measurement With LS350 laser beam steerer...

  • Page 80: Mounting The Optics

    XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Mounting the optics The linear measurement set up with beam steerer (overview)
  • Page 81 XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Mounting the optics Mounting the retroreflector The linear measurement set up Reduced beam aperture Target Assemble the retroreflector assembly as shown. Attach the target onto the face of the retroreflector Rotate the laser shutter to emit a reduced diameter beam Mount to the moving element of the machine...
  • Page 82 XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Mounting the optics Mounting the retroreflector Drive the retroreflector to the ‘near field’ position Adjust the beam to the centre of the white target using the Remove the target and check that the returned beam hits translation screws the centre of the target on the XL laser shutter –...
  • Page 83 XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Mounting the optics Mounting the linear interferometer <10 mm Assemble the interferometer assembly and mount the beam Attach target to the beam steerer and align with the beam Mount to the stationary element of the machine; steerer onto the input face of the beam splitter as shown.

  • Page 84: Visual Alignment

    XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Visual alignment Mounting the linear interferometer Remove the target Ensure that the two return beams are overlapping on the shutter target. Adjust as required.
  • Page 85 XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Visual alignment Use the machine to move the reflector away from the interferometer Stop if the beam drifts past the edge of the target shutter Adjust the beam steerer so the beam hits the centre of the target Use the machine to drive the reflector towards the...
  • Page 86 XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Visual alignment Remove the target Ensure that the two return beams are overlapping on the shutter target. Use the tripod height adjustment and the horizontal adjustment on the tripod stage to bring the beams back to the centre of the target...

  • Page 87: Fine Alignment

    XL laser system XL-80 hardware XL-80 applications Linear Linear Angular Fine alignment Removal of Cosine Errors At the far position, carefully adjust the pitch/yaw until the Rotate the XL laser shutter to the open position ready for data signal strength bar at the top of the Capture software screen capture is maximised Note: If beam obstruct is shown at the far position, use the 6mm...

  • Page 88: Angular Measurement (Pitch/Yaw)

    XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Angular measurement (pitch/yaw) Note: Environmental compensation is not necessary when taking angular measurements. Therefore, the XC Compensator and environmental sensors are not required.

  • Page 89: Mounting The Optics

    XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Mounting the optics The pitch/yaw measurement set ups – horizontal axis Pitch angle Yaw angle...
  • Page 90 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Mounting the optics The pitch/yaw measurement set ups – vertical axis Pitch angle Yaw angle...
  • Page 91 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Mounting the optics Mounting the retroreflector Reduced beam aperture Target Assemble the retroreflector assembly as shown. Attach the target onto the face of the retroreflector Rotate the laser shutter to emit a reduced diameter beam Mount to the moving element of the machine...
  • Page 92 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Mounting the optics Mounting the retroreflector Drive the retroreflector to the ‘near field’ position Adjust the beam to the centre of the white target using the Remove the target and check that the returned beam hits translation screws the centre of the target on the XL laser shutter –...
  • Page 93 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Mounting the optics Mounting the angular interferometer Pitch Assemble the interferometer assembly as shown Attach target to input aperture and align with the beam Mount to the stationary element of the machine; •...

  • Page 94: Visual Alignment

    XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Visual alignment Mounting the angular interferometer The linear measurement set up Remove the target Check that the returned beam hits the centre of the target on the XL laser shutter – if not adjust the position of the interferometer...
  • Page 95 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Visual alignment Use the machine to move the reflector away from the interferometer Stop if the beam drifts past the edge of the target shutter Adjust the pitch and yaw so the beam hits the centre of the target Use the machine to drive the reflector towards the...
  • Page 96 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Visual alignment Remove the target from the retroreflector Ensure that the two return beams are overlapping on the shutter target. Use the tripod height adjustment and the horizontal adjustment on the tripod stage to bring the beams back to the centre of the target...

  • Page 97: Fine Alignment

    XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Fine alignment Removal of cosine errors At the far position, carefully adjust the pitch/yaw until the signal Rotate the shutter to an open position, and check that the strength bar at the top of the CARTO software screen is maximised. signal strength stays green over the full axis of travel...

  • Page 98: Angular Measurement (Pitch/Yaw)

    XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Angular measurement (pitch/yaw) With LS350 laser beam steerer...

  • Page 99: Mounting The Optics

    XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Mounting the optics The pitch/yaw measurement set ups – horizontal axis Pitch angle Yaw angle...
  • Page 100 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Mounting the optics The pitch/yaw measurement set ups – vertical axis Pitch angle Yaw angle...
  • Page 101 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Mounting the optics Mounting the retroreflector Reduced beam aperture Pitch Pitch Target Assemble the retroreflector assembly as shown Attach the target onto the face of the retroreflector Rotate the laser shutter to emit a reduced diameter beam Mount to the moving element of the machine...
  • Page 102 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Mounting the optics Mounting the retroreflector Drive the retroreflector to the ‘near field’ position Adjust the beam to the centre of the white target using the Remove the target and check that the returned beam hits translation screws the centre of the target on the XL laser shutter –...
  • Page 103 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Mounting the optics Mounting the angular interferometer Pitch Assemble the interferometer assembly and mount the beam Mount to the stationary element of the machine; Attach target to input aperture and align with the beam steerer onto the input face of the beam splitter as shown.

  • Page 104: Visual Alignment

    XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Visual alignment Mounting the angular interferometer The angular measurement set up Remove the target Check that the returned beam hits the centre of the target on the XL laser shutter – if not adjust the position of the interferometer...
  • Page 105 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Visual alignment Use the machine to move the reflector away from the interferometer Stop if the beam drifts past the edge of the target shutter Adjust the beam steerer so the beam hits the centre of the target Use the machine to drive the reflector towards the...
  • Page 106 XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Visual alignment Remove the target from the retroreflector Ensure that the two return beams are overlapping on the shutter target. Use the tripod height adjustment and the horizontal adjustment on the tripod stage to bring the beams back to the centre of the target...

  • Page 107: Fine Alignment

    XL laser system XL-80 hardware XL-80 applications Linear Angular Angular Fine alignment Removal of cosine errors At the far position, carefully adjust the beam steerer until Rotate the XL laser shutter to the open position ready for data the signal strength bar at the top of the CARTO Software capture.
  • Page 108 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-9908-0683-01 Part no. F-9908-0683-01-A Issued: 01.2020 © 2019 Renishaw plc...

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