Gear cutting – milling – or planing – Milling – Including means to infeed rotary cutter toward work
Patent
1997-05-15
2000-01-18
Howell, Daniel W.
Gear cutting, milling, or planing
Milling
Including means to infeed rotary cutter toward work
408 10, 408 13, 408 95, 36447402, 409193, 409218, B23Q 1500
Patent
active
060152494
ABSTRACT:
The device includes an operating head movable by a control unit with respect to a board for machining; the operating head includes a board holder device and an electric motor for a tool spindle; the rotor of the motor rotates with respect to the stator on air-cushion supports, and the stator slides axially on a further air-cushion support and is insulated with respect to the operating head; a signal generator senses the capacitance between the rotor and the stator, and generates an electric signal upon the tool on the spindle contacting the upper surface of the board; and the signal is used to define a reference dimension relative to the upper surface, and to so condition the control unit as to feed the tool to a predetermined depth as of the upper surface.
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Howell Daniel W.
Pluritec Italia S.p.A.
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