Active error compensation in a coordinated measuring machine
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United States of America Patent
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May 12, 1987
Grant Date -
N/A
app pub date -
Sep 19, 1985
filing date -
Sep 19, 1985
priority date (Note) -
Expired
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Abstract
An error compensated, coordinate measuring machine includes a ram, a supporting structure for the ram and a base on which an object or part to be inspected is secured. The ram is mounted to the structure and movable with respect thereto. An object sensing probe is mounted to the ram. The probe is responsive to contact with the part or object being tested. Sensors are mounted to the ram and the base. The sensor on the ram detects the angular deviation of the ram from a reference plane, and the sensor on the base detects the angular deviation of the base from the same reference plane. A calculator unit determines the difference between the angular deviations of the ram and the base from the reference plane. The machine further includes transducers which measure the position of the ram with respect to the supporting structure, and the position of the supporting structure with respect to the base. The transducers provide ram positional data. A compensating unit adjusts the ram positional data proportionally to the difference between the angular deviations of the ram and the base.
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- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
- DIGITAL ELECTRONICS AUTOMATION, INC.
International Classification(s)
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Guarini, Antonio | Bellville, MI | 2 | 78 |
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Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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