News | March 12, 2001

Westec 2001: Optodyne to exhibit machine tool calibration/ contouring performance checking system

Source: Optodyne Incorporated

Optodyne Incorporated of Compton will exhibit the new QC-500 laser calibration system, which can perform a complete machine tool calibration and contouring performance check in less than one day. The QC-500 laser calibration system is designed to meet the calibration requirement of the ASME B5.54 standard's one-day test for machine performance. The QC-500 can measure the displacement accuracy, bi-directional repeatability, volumetric performance (diagonal displacement errors), and contouring performance.

In addition to the standard's one-day test, the system can also check the volumetric performance using the vector measurement technique (patent pending). With this technique all 3 displacement errors, 6 straightness errors and 3 squareness errors can be measured. A volumetric compensation file can also be generated for various controls to compensate the volumetric errors (sometimes call the straightness compensation, sag compensation, non-linear compensation, or cross compensation) and achieve higher volumetric accuracy.

Based on the laser/ballbar technique (patent pending), the contouring errors, the true radius, feed rate and acceleration/deceleration of the circular contour can be measured. This information can be used to verify the contouring performance and to tune the control parameters and servo system.

The equipment is compact and low cost. It is easy to setup and operate. Data are collected automatically and analyzed by the Windows software. A complete test of the machine's static volumetric positioning accuracy and dynamic contouring accuracy can be performed in less than one day.

Optodyne, a California corporation, develops, manufactures and markets laser based precision measurement equipment for machine tool calibration, metrology, OEM, and other industrial applications that require precision measurement. The company's products are based on the patented Laser Doppler Displacement Meter (LDDM) technology developed by Dr. Charles Wang, Optodyne's president.

Optodyne Incorporated, 1180 Mahalo Place, Compton, CA 90220 USA. Tel: 310-635-7481. Fax: 310-635-6301.

Source: Optodyne