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FARO Gage

May 2011

31

Chapter 5: Accuracy

Chapter 5: Accuracy

This chapter describes the definitions and specifications of accuracy, or 
performance specification, for the Gage. 

The Gage performance testing standard is the North American ASME or 
European ISO standard. Gage test methods are a subset of those given in the 
B89.4.22 standard. Single-point repeatability is measured using a hard probe in a 
reference hole. Volumetric performance is measured using a traceable length 
artifact. Measurements are well distributed in all regions of the working volume. 

Compensation and Calibration

The Gage is designed to endure the typical stress and impact loads of a “factory 
floor” measuring tool, as well as survive multiple transportation cycles while 
maintaining its accuracy throughout its usable life. In order to fully appreciate 
what is meant by “Lifetime Calibration,” you must first understand several basic 
concepts of measurement equipment. 

Compensation versus Calibration

In most cases, the terms “compensation and calibration” are used together, and 
are often mistakenly used interchangeably. This generally occurs because 
traditional Coordinate Measuring Machines are often compensated every time 
they are calibrated. In reference to the Gage, there one type of calibration and two 
types of compensation: the Gage compensation and the probe compensation. 

For more information about probe compensation, see 

“Probe Compensation 

Overview” on page 55

. 

Gage Compensation

Compensation is the procedure by which a measurement device is optimized to 
perform accurate measurements. This may be done through mechanical 
adjustments, as well as software corrections. 

Specialists at FARO’s production facility perform the factory compensation. This 
compensation utilizes patented hardware and software (not available to the user) 
to determine the true dimensions and kinematics of the Gage. The results of the 
factory compensation are imprinted to memory located in the Gage electronics. 
The Gage is permanently compensated, such that it does not require mechanical 
adjustments during normal operation. 

08M47E00_FAROGage.book  Page 31  Wednesday, June 8, 2011  4:12 PM

Содержание Gage

Страница 1: ...FARO Gage Manual MAY 2011 08M47E00_FAROGage book Page 1 Wednesday June 8 2011 4 12 PM...

Страница 2: ...08M47E00_FAROGage book Page 2 Wednesday June 8 2011 4 12 PM...

Страница 3: ...GARDLESS OF THE FORM OF ACTION SHALL NOT EXCEED THE PURCHASE PRICE OF THE MATERIALS DESCRIBED HEREIN THE INFORMATION CONTAINED IN THIS MANUAL IS SUBJECT TO CHANGE WITHOUT NOTICE AND DOES NOT REPRESENT...

Страница 4: ...08M47E00_FAROGage book Page 4 Wednesday June 8 2011 4 12 PM...

Страница 5: ...nt Plate Dimensions 10 Installing Probes 11 FARO Gage Power Supply 12 Supplying Power to the FARO Gage 12 FARO Gage Battery Pack 13 Installing the Battery Pack 13 Removing the Battery Pack 14 Charging...

Страница 6: ...eedom 33 Chapter 6 Maintenance and Troubleshooting Normal Maintenance 35 Gage 35 Host Computer 35 Mounting Stiffness Test 36 Temperature Considerations 37 Electrostatic Discharge ESD 38 ESD Best Pract...

Страница 7: ...e 55 Probe Compensation Overview 55 Compensate Probe 56 Hole Method Guidance 57 Hole Method 60 Sphere Method 62 View Log 64 Diagnostics 65 Temperature 65 Technical Support 67 Software License Agreemen...

Страница 8: ...08M47E00_FAROGage book Page iv Wednesday June 8 2011 4 12 PM...

Страница 9: ...com to search our technical support database The database is available 24 hours a day 7 days a week and contains hundreds of solutions to product and application questions Listed below are some visual...

Страница 10: ...or understanding of the equipment or subject Specifically they are not used when a WARNING or CAUTION is applicable They are not safety related and may be placed either before or after the associated...

Страница 11: ...e address structure of the FLASH memory The only dynamic data stored in the Gage are settings which relate directly to the operation of the Gage Examples include the probe XYZ position baud rate for s...

Страница 12: ...nsult the dealer or an experienced radio television technician for help CAUTION Any change or modification not expressly approved by FARO Technologies Inc may void the user s authority to operate the...

Страница 13: ...bstances into the environment FARO has labeled this product with the WEEE symbol see below in order to alert the end user that it should be disposed of within the proper waste management system That s...

Страница 14: ...Proper operation and care includes avoiding Solvents Abuse such as dropping or twisting at end stops Moisture and high humidity Power fluctuations See FARO Gage Power Supply on page 12 Excessive temp...

Страница 15: ...ce Mount Plate Power Supply Dust Cover FARO Gage Manual CD FARO Gage Manual this book FaroArm Accessories Manual Gage Assembly Instructions Product Environmental Information European Union sheet FARO...

Страница 16: ...ing damage 1 Pack the Power Supply Probe Case and Surface Mount Plate as shown 2 Grab the Gage with both hands as shown 3 Insert the Gage into the case Figure 2 1 Pack the Power Module Probe Case and...

Страница 17: ...et certain requirements NOTE The Gage must be mounted in a upright position Do Not mount the Gage in an inverted upside down or sideways position To fasten the Gage 1 Attach the 3 5 threaded ring and...

Страница 18: ...to a stable mounting surface It is an assembly of a standard 3 mounting ring and a FARO designed base plate You can bolt the Surface Mount Plate directly to a surface using the mounting screws in the...

Страница 19: ...s The probe attaches to the threaded handle at the end of the Gage Use the 12mm wrench in the Probe Case to install the probe 1 Hold the button area near the end of the Gage with one hand Figure 2 5 S...

Страница 20: ...RO s Customer Service to order a replacement All servicing should be referred to qualified service personnel CAUTION INDOOR USE ONLY Supplying Power to the FARO Gage Place the Gage in an area with a p...

Страница 21: ...ountry where it will be used FARO Gage Battery Pack Your Gage may be powered using the optional battery pack Install the battery pack to use your Gage when you are not near a power outlet NOTE It is n...

Страница 22: ...egins charging Charging automatically stops when the battery pack is completely charged WARNING Only use the rechargeable battery pack supplied with your Gage For information on ordering additional or...

Страница 23: ...e Gage to exit standby mode and reference the encoders to continue measuring See Referencing the Encoders on page 17 This hardware option is enabled disabled in the HARDWARE CONFIGURATION dialog box F...

Страница 24: ...T buttons and BACK buttons are redundant and wired together internally When a button is pressed the LED light turns on green or red and the Computer sounds See Handle LED on page 15 Error and Status I...

Страница 25: ...Gage The REFERENCE ENCODERS dialog box shows all six encoders in error until each is referenced In a systematic manner rotate joints 1 through 6 until each warning clears NOTE The Gage must be properl...

Страница 26: ...ately 30 feet or 10 meters Bluetooth devices are generally paired or associated with each other either openly or employing security with one serving as the master device and the second as the slave In...

Страница 27: ...ices in range and display them graphically or in a simple list All Gages are identified by their serial number Once a Gage is identified in the list a persistent SPP connection must be created Once th...

Страница 28: ...list select the proper COM from the platform specific Bluetooth Wizard e g COM10 This is the port that you previously wrote down Click the OK button A test is automatically run to verify that the COM...

Страница 29: ...nnection USB cable and any active Bluetooth pairings It takes slightly longer 8 or 10 seconds for a Gage to connect and initialize via Bluetooth NOTE If you choose not to connect the Gage to your comp...

Страница 30: ...onnection COM port ______________________ This number is important and will be used later Computer to the Gage Driver Connection The Gage USB driver connects to the SPP connection using the FARO Bluet...

Страница 31: ...ring When the measuring software is launched CAM2 Q CAM2 Measure CAM2 Measure X Geomagic Polyworks etc the Gage driver attempts to use any Gage connection USB cable and any active Bluetooth pairings I...

Страница 32: ...08M47E00_FAROGage book Page 24 Wednesday June 8 2011 4 12 PM...

Страница 33: ...he existing 3mm and 6mm probes Enter the exact diameter in the MODIFY PROBE dialog box for each ball probe See Edit Probe on page 55 The Gage s point of measurement on any ball probe is the center of...

Страница 34: ...a custom probe Installing Probes The probe attaches to the threaded handle at the end of the Gage Use the 12mm wrench in the Probe Case to install the probe Hold the button area near the end of the Ga...

Страница 35: ...he part FARO distributes the TP 20 probe NOTE The Renishaw TP 2 Probe is not supported TP 20 Probe Kit The TP 20 Probe kit contains Renishaw S1 C Spanner wrench Renishaw S9 double ended C Spanner wren...

Страница 36: ...obe Module Gray cap Extended Force Probe Module Brown cap Refer to the Renishaw TP 20 Installation and User s Manual for the TP 20 Probe assembly instructions Measuring Software The measuring software...

Страница 37: ...ARO Gage May 2011 29 Chapter 4 Probes Custom Probe Compensation Any probe with a sphere or a point can be Compensated See Probes on page 54 08M47E00_FAROGage book Page 29 Wednesday June 8 2011 4 12 PM...

Страница 38: ...08M47E00_FAROGage book Page 30 Wednesday June 8 2011 4 12 PM...

Страница 39: ...n In most cases the terms compensation and calibration are used together and are often mistakenly used interchangeably This generally occurs because traditional Coordinate Measuring Machines are often...

Страница 40: ...and repeatability of your Gage The calibration commands allow you to test the Gage using a holes a ball bar or a step gauge The values measured in all of these calibrations include 100 of the measure...

Страница 41: ...ncoders reach their end stop See Error and Status Indicators on page 16 4 Avoid a joint position where a degree of freedom is lost in the Gage See Loss of a Degree of Freedom on page 33 The specificat...

Страница 42: ...se of the Gage The Gage should always feel fluid in its movement If excessive force is needed to move to a measuring location a degree of freedom has probably been lost The following figures illustrat...

Страница 43: ...damage to outside insulation connectors and pins Do not lubricate the Gage The Gage is compensated at FARO s production facility and should only need to be recompensated after the unit has been subjec...

Страница 44: ...Gage is portable and can be mounted in a variety of environments The Gage is counterbalanced Therefore when stress is applied there will be a restorative force countering the stress This force will r...

Страница 45: ...a multitude of environments the monitoring of temperature and the rate of temperature change is required The Gage employs a software hardware solution patents pending where a semiconductor temperature...

Страница 46: ...still must be observed and followed If an error occurs because of ESD check the Error Message displayed on the screen and follow the steps below to resume normal operation If you experience anything...

Страница 47: ...or Mats Floor mats are made of a dissipative material and must be grounded individually to earth ground This is required if no conductive flooring is installed Ground Connections Any earth ground conn...

Страница 48: ...ons FRONT BACK will not respond Make sure that all of the encoders are referenced See Referencing the Encoders on page 17 Turn auxiliary port OFF See Edit Probe on page 55 Check buttons in Diagnostic...

Страница 49: ...for physical impacts or damage DO NOT use a damaged power supply Check functionality of the Gage Look for error codes or operation issues NOTE Power surges spikes feedback and fluctuation in the powe...

Страница 50: ...FARO Bluetooth Connection Setup utility but software application does not find the Gage 1 Make sure the Gage is receiving power and the On Off switch is set to the ON position When the On Off switch i...

Страница 51: ...nal which can be blocked by obstructions Metallic obstructions are especially degrading to the signal For best results ensure you have a clear path between your computer and the Gage FARO Wireless FAQ...

Страница 52: ...ction If you click No the connection stops If you click Yes attempts are made to restore the connection Why do I continue to see the message asking if I want to continue to use the FARO Wireless conne...

Страница 53: ...lose to an end stop can induce unwanted stress 2 Binding or hyper extending the Gage can cause unnecessary stress 3 Leap Frogging or repositioning the device using the Move Device Position command 4 E...

Страница 54: ...cracks is not loose and that it has no flat spots Probe Compensation Place the compensation cone approximately 2 3 of the Gage s reach away from its base Perform the probe compensation at least 3 time...

Страница 55: ...se issues are not always obvious An apparently stable mount can actually be moving more than the accuracy of the device directly impacting results and causing system performance degradation If using a...

Страница 56: ...force to the base ring 90 away from the previous direction 7 Note the Y deviation It should not exceed 25 of the Gage s accuracy 8 Apply approximately five 5 pounds of force to the cone 9 Note the X...

Страница 57: ...e Gage through the entire range The set of measurements from each sweep are compared for repeatability If the sets are not repeatable you must repeat the test NOTE The Gage movement should feel fluid...

Страница 58: ...Calibrated Artifact Measure an artifact of calibrated dimensions i e ring gage or gage block Ring Gage should be measured as a cylinder Gage Block should be measured plane to plane or point to plane s...

Страница 59: ...pter 6 Maintenance and Troubleshooting 4 A copy of the Single Point Articulating Test SPAT results 5 A copy of the Arm Compensation results 6 Pictures of the setup 08M47E00_FAROGage book Page 51 Wedne...

Страница 60: ...08M47E00_FAROGage book Page 52 Wednesday June 8 2011 4 12 PM...

Страница 61: ...trolled mouse settings Enable disable Sleep Mode Click OK to accept the changes Click the CANCEL button to discard any changes and exit the command Stress Stops The default value is 0 182 and should r...

Страница 62: ...for every probe The two standard probes for the Gage 3mm and 6mm are created by default Compensate each of these probes before you begin measuring your parts Click the PERFORM SINGLE POINT ARTICULATIO...

Страница 63: ...page 60 5 Click the CREATE NEW button The new probe is now current You must compensate the new probe Probe Compensation Overview Probe compensation is a localized process by which a measurement devic...

Страница 64: ...ot let the elbow joint fall during compensation Only exercise the last joint of the Gage for the software to accurately compensate the probe tip Minimizing elbow joint movement and focusing on the pro...

Страница 65: ...DANCE check box is selected for the current probe use the following steps See Edit Probe on page 55 Collect all of the points in this method by holding down the FRONT button The Gage will collect poin...

Страница 66: ...handle down until the shaft of the probe is parallel with the top of the cone Look at the dialog box and move the handle until you reach the starting position 3 Press and hold the FRONT button Sweep t...

Страница 67: ...again until all 200 points are digitized Look at the dialog box to help you digitize all of the points 5 Rotate the Probe to the next position Look at the dialog box and move the handle until you reac...

Страница 68: ...tly 5mm but it must be smaller than the probe s diameter with a smooth seat If the GUIDANCE check box is clear for the current probe use the following steps See Edit Probe on page 55 Collect all of th...

Страница 69: ...o poorly digitized points significantly affects the optimization process which then has an effect on the accuracy of the Gage Digitize points in the hole and sweep to position 1 Digitize points in the...

Страница 70: ...rform the Sphere compensation using any size precision sphere or tooling ball The sphere should be at least 10mm 3 8 diameter or larger You will digitize 45 individual points in specific locations aro...

Страница 71: ...position 1 Digitize 15 points around the front hemisphere of the sphere with the probe pointing in position 2 Digitize 15 points around the side hemisphere of the sphere with the probe pointing in pos...

Страница 72: ...can set to active or delete any previous compensation You can also select the compensation values and copy them to the windows clipboard The X Y Z values are the location of the center of the ball pr...

Страница 73: ...INGLE POINT ARTICULATION TEST SPAT button to run a Single Point Articulation Test SPAT with your Gage You can save this report to a file which you can send to FARO s Customer Service Department For mo...

Страница 74: ...08M47E00_FAROGage book Page 66 Wednesday June 8 2011 4 12 PM...

Страница 75: ...7 days a week Document the problem you are experiencing Be as specific as you can The more information you have the easier the problem will be to solve If you still cannot resolve your problem have y...

Страница 76: ...e China 800 6511 1360 86 21 6191 7600 Worldwide India 000800 650 1397 91 11 4167 6330 1 Worldwide Fax North America 1 407 333 8056 Europe 800 3276 1737 49 7150 9797 9400 Worldwide Asia 65 6543 0111 Ja...

Страница 77: ...rking day Should our staff be on other calls please leave a voice mail message calls are always returned within 4 hours Please remember to leave a detailed description of your question and your device...

Страница 78: ...08M47E00_FAROGage book Page 70 Wednesday June 8 2011 4 12 PM...

Страница 79: ...ept as permitted by this section The Licensee further agrees not to copy any written materials accompanying the software III The Licensee is licensed to use the Software only in the manner described i...

Страница 80: ...any provision of this Agreement is determined by a court of competent jurisdiction to be void and non enforceable such determination shall not affect any other provision of this Agreement and the rema...

Страница 81: ...yments payable thereon had been received by FARO 1 03If the Purchaser fails to make full payment of the purchase price within the period set out in the Order FARO shall at its option have the followin...

Страница 82: ...ns at the time such estimate is given 2 02FARO shall not be liable for any loss or damage whether direct indirect or consequential resulting from late delivery of the Product The Purchaser s sole reme...

Страница 83: ...ntenance warranty service is set forth in Appendix B Purchase Conditions 4 02FARO warrants that the Software shall operate according to specifications and the System shall operate and perform in the m...

Страница 84: ...required as a result of causes external to FARO workmanship or the materials used by FARO As used herein unauthorized means that which has not been approved and permitted by FARO b The Warranties shal...

Страница 85: ...d operating costs loss of production loss of anticipated profits damage to property or other special incidental or consequential damages of any nature arising from any cause whatsoever whether based i...

Страница 86: ...comes a certified user A FARO maintenance warranty transfer form is completed and submitted to Customer Service All claims under the Warranties must originate with the Purchaser or any subsequent owne...

Страница 87: ...further assurances in the form of non disclosure or licensing agreements which may reasonably be required by FARO in connection with the software 7 00Entire Agreement Governing Law Miscellaneous Guar...

Страница 88: ...the Gage the Software operating manuals and any other product or merchandise sold pursuant to the Order If the Purchaser is buying only a Gage or the Software Product will mean the product being purc...

Страница 89: ...ase 3 FARO will return the hardware via 2 day air service to the Continental U S Outside the Continental U S FARO will return the hardware to the customs broker via 2 day air service Expedited service...

Страница 90: ...e as soon as it arrives at FARO s factory 5 The customer is responsible for all shipping charges to and from FARO including import and export fees for international customers FARO Software All FARO So...

Страница 91: ...hich identifies him her as an accredited Gage operator The requirements are as follows 1 Attend a FARO conducted basic training course either at a FARO Facility or on site at your facility 2 Certifica...

Страница 92: ...med on an as needed basis Contact your local FARO Service Center for the current system testing and evaluation fee pricing Repair Times Calibration and or Recertification Only Can take up to 14 days t...

Страница 93: ...from __________________ DATE OF TRANSFER This transfer is only valid under the following conditions 1 The Gage is currently under maintenance warranty 2 New owner is or becomes a certified user 3 Thi...

Страница 94: ...08M47E00_FAROGage book Page 6 Wednesday June 8 2011 4 12 PM...

Страница 95: ...s been subjected to misuse or intentional damage FARO reserves the right to determine the condition of all returned Hardware and or Software 1 04FARO shall determine the service method and contractor...

Страница 96: ...r merchandise sold pursuant to the Order If the Purchaser is buying only the Gage or the Software Product will mean the product being purchased by the Purchaser pursuant to the Order 2 05 System means...

Страница 97: ...ble for securing their own separate warranty or service plan coverage Hardware Coverage Gage Covered All parts and labor for Gages failing under normal use as described in Appendix B Annual calibratio...

Страница 98: ...e products unless FARO Technologies resold these packages to the end user as an authorized reseller Examples of 3rd party authored S W are DOS Windows AutoCAD AutoSurf SurfCAM and others Premium Servi...

Страница 99: ...stics 65 dimensions surface mount plate 10 E edit probe 55 electrostatic discharge 38 best practices 38 encoders referencing 17 error and status indicators 16 F FARO Gage 8 battery 13 charging 14 inst...

Страница 100: ...are 1 2 FARO software 2 memory 3 mounting stiffness test 36 the base 9 N numerical and signal processing 15 O optional accessories 7 P packing 8 packing list 7 packing the FARO Gage 8 power to the FAR...

Страница 101: ...fication requirements 3 hardware and software 2 transfer of maintenance warranty service plan agreement 5 troubleshooting 39 buttons fail 40 communication 41 error messages 39 excessive error 40 perfo...

Страница 102: ...08M47E00_FAROGage book Page 4 Wednesday June 8 2011 4 12 PM...

Страница 103: ...08M47E00_FAROGage book Page 1 Wednesday June 8 2011 4 12 PM...

Страница 104: ...1 E Mail salesap faro com FARO Japan Inc 716 Kumada Nagakute Cho Aichi Gun Aichi Ken 480 1144 JAPAN TEL 81 561 63 1411 FAX 81 561 63 1412 E Mail support_japan faro com FARO Shanghai Co Ltd Floor 1 Bui...

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