Device for minimizing the thermal sensitivity of a machining apparatus
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United States of America Patent
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Mar 12, 1991
Grant Date -
N/A
app pub date -
Apr 3, 1989
filing date -
Apr 3, 1989
priority date (Note) -
Expired
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Abstract
A device which substantially compensates for the expansion or contraction of a machining apparatus to varying temperatures in and among the components of the machining apparatus links two axes of movement of the machining apparatus by providing a measurement axis defined by the intersection of a first vertical plane passing through the cutting tip of a cutting tool and a second vertical plane passing through the workface of a workpiece to be machined, and associating one end of a temperature-insensitive member with this measurement axis, the other end of the temperature-insensitive member being in the same vertical plane as a reference point which remains stationary with respect to the measurement axis regardless of the thermal growth of the components of the machining apparatus.
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