Boots – shoes – and leggings
Patent
1993-04-15
1994-07-12
Smith, Jerry
Boots, shoes, and leggings
36447418, 318572, G06F 1546, G05B 1918
Patent
active
053294572
ABSTRACT:
The present invention provides a system and method to accurately provide three-dimensional rotary tool point compensation by evaluating a CNC machining center's geometric condition with respect to a trunnioned spindle mechanism of the machining center as it applies to the degrees of freedom of motion that affect the rotary tool point positioning of a cutting tool mounted in a tool holder of the spindle mechanism. The present invention evaluates the geometric condition of the trunnioned spindle mechanism by positioning the tool point in contact with a reference point or datum and recording a first coordinate position, then rotating the spindle mechanism 90.degree. about a trunnion axis and positioning the tool point in contact with the same reference point a second time. A second coordinate location is recorded when the tool point contacts the reference point the second time. The rotary tool point offsets are then determined from the two recorded coordinate locations and the coordinates of the tool point may be appropriately automatically compensated for the offsets during a machining operation.
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Hemmerle R. David
Randolph, Jr. James E.
General Electric Company
Gordon Paul
Moore, Jr. Charles L.
Smith Jerry
Squillaro Jerome C.
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