Spindle probe with orbital transformer
Number of patents in Portfolio can not be more than 2000
United States of America
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-
Jun 22, 1982
Grant Date -
N/A
app pub date -
Nov 10, 1980
filing date -
Nov 21, 1977
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A probe is mounted on the nose of a toolholder which fits into the spindle of a numerically controlled machine tool. An oscillator is mounted within the toolholder and is powered by a battery within the toolholder. The output of the oscillator is coupled to a primary coil on the toolholder which is inductively coupled to a ringshaped secondary coil on the spindlehead of the machine tool. Switches within the toolholder are wired to the oscillator to cause it to shift frequency when the probe stylus makes contact with a workpiece when moving along any one of the X, Y or Z axes. The ringshaped secondary coil is coupled to the machine tool's NC circuits to indicate when the probe makes contact with the workpiece.
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Cited Art Landscape
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