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Vol. 174, Issue 7, July 2014, pp. I-III




Machining Center Pitch Error Measurement and Compensate with Ease
Using a LICS-100AP Turn-key Laser System

Charles Wang

Optodyne 1180 Mahalo Place, Rancho Dominguez, CA 90220, USA

Tel.: 1-800-766-3920 E-mail: optodyne@aol.com Web: http://www.optodyne.com


Received: 24 July 2014 /Accepted: 28 July 2014 /Published: 31 July 2014

Digital Sensors and Sensor Sysstems


introduction: It is well known that better parts build a better product. To machine a better part is very complex. It involves cutting tool, spindle, ball-screw, ways/guides, thermal expansion, coolant, clamping forces and machine positioning accuracy, etc. All these may cause errors and have to be carefully minimized. A well build high accuracy machine is very expensive and also cutting and wearing reduces the machine accuracy. To overcome this and to achieve higher accuracy, the key is to measure and compensate the machine positioning errors. Recently, Optodyne has introduced a new simple turn-key laser measurement package, LICS-100AP, includes a note book PC using Window 8 OS and pre-loaded with Laser Doppler Displacement Meter (LDDM) software. It is compact, low cost, easy setup and operation. The data collection is automatic and the error table or compensation files for most controllers such as Fanuc, Mitsubishi, Siemens, Heidenhain, Fedia, Fagor, etc can be generated and uploaded to the controller. A 3-axis cnc machine with a working volume of 3 m by 2 m by 1 m can be compensated for all 3-axis linear positioning errors (or pitch errors) in 2 hours. It is extremely compact, easy to operate and affordable.


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