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Service / Pricing Information:

Linear Calibration and Compensation Most modern machine tool controls have the ability to correct for repeatable machine errors and are commonly done so before they leave the factory. With the aid of a measuring laser a machine can be made traceable to NIST and also many of the repeatable errors can be eliminated. We calibrate all our measuring tools on a regular basis and yet we leave the most important tool, the machine itself, to the rigors of time and abuse without paying it much attn. Some of the attributes of regular calibration:

1. Finding errors in machine positioning before they cause major scrap.
2. Finding sweet spots for those exceptional close jobs
3. Operator confidence in a machine's ability means increased production.
4. Excellent way of judging machine deterioration as part or parcel of a PM program.
5. Your Customers will be impressed with the accuracy of your products!

Laser Straightness and Squareness
Bowed and out of square way systems are a common problem in older machine tools. Geometrical tolerances are hard to maintain on a machine with this type of problem.
Laser check will give errors in straightness and squareness in a very short time, sometimes allowing the machine to be corrected by leveling and realigning.

Laser Ball Bar
The Optodyne laser ball bar system provides a rapid and efficient way of measuring a machine’s contouring accuracy along a circular path. The Circular test shows how the axes work together to move a machine in a circular path. The deviations from a perfect circle are caused by errors such as backlash and servomimatch, scale mismatch, machine geometry, periodic errors, stick-slip, etc. A polar plot is generated to show the machines true contouring capabilities.

Laser Volumetric Check
The Optodyne Laser Volumetric Calibration equipment is a rapid and efficient way to measure a machine’s volumetric accuracy over the working volume. Based on the “vector” measurement technique, the volumetric errors including three displacement errors, six straightness errors, and three squareness errors, can be measured in hours instead of days required using conventional techniques. With many of the CNC controls today, the measured volumetric errors can be used to greatly improve the machine’s accuracy by volumetric compensation. A simple example: If the ways of a machine were bowed in the X axis, it would be impossible to machine a long perfectly straight cut unless the associated Y axis moved to compensate for the bow.

 

For more information contact Bill Onisick 704-221-2941

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