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US Patent: 6,161,079
Method and Apparatus for Determining Tolerance and Nominal Measurement Values for a Coordinate Measuring Machine
Patentees:
Joseph H. Zink (exact or similar names) - Beavercreek, Greene County, OH
Mark K. Schindler (exact or similar names) - Miamisburg, Montgomery County, OH

USPTO Classifications:
33/503, 33/504, 33/505, 700/195, 702/168

Tool Categories:
metalworking tools : machinist tools : measuring tools : coordinate measuring machines

Assignees:
Giddings & Lewis, Inc. - Fond Du Lac, Fond Du Lac County, WI

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Aug. 18, 1997
Granted: Dec. 12, 2000

Patent Pictures:
USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Giddings & Lewis Manufacturing Co.
Description:
Abstract:

A method of operating a coordinate measuring machine (CMM) provides the operator with the ability to automatically set the tolerance value of the part measurement based on preset conditions, and make an educated guess or estimate of the nominal part value during the measurement. This nominal estimation technique is based on the actual measurement value taken by the CMM, and the information supplied about the tolerance limits. This estimation technique of the present invention makes it much easier for the operator to measure the part and produce a report, since it significantly reduces the amount of operator keystroke information required to be manually input via the keyboard.

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