Gear cutting – milling – or planing – Milling – Cutter spindle or spindle support
Reexamination Certificate
2005-06-28
2005-06-28
Banks, Derris N. (Department: 3722)
Gear cutting, milling, or planing
Milling
Cutter spindle or spindle support
C409S233000, C408S124000
Reexamination Certificate
active
06910839
ABSTRACT:
The invention, relating to an internal, active, compensatory and method and device for the rotational main-shaft of a cutting tool with axial bias-and-swing, mainly applies an active technique to a gas-floating main-shaft to thereby control its bias-and-swing. A sensor at the exterior of the main-shaft directly measures the axial bias-and-swing of the cutting tool. Taking the measured data as feedback signals, the cutting point of the cutting tool is maintained at an axial positioning accuracy that is predetermined. Further, the invention is arranged with an electromagnetic controlling module to the mandrel's tail end at the interior of the main-shaft for taking non-contacting magnetic force to finely tune the axial position of the mandrel, such that an active compensatory function of the axial position of the cutting point of a cutting tool in action is achieved.
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Chen Chang-Ming
Chen Lai-Sheng
Hwang Jung-Hong
Wang Wei-Han
Banks Derris N.
Industrial Technology Research Institute
Ross Dana
Troxell Law Office PLLC
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