Gear cutting – milling – or planing – Milling – Process
Patent
1996-11-06
1998-10-06
Briggs, William R.
Gear cutting, milling, or planing
Milling
Process
408 1R, B23C 900, B23B 3500
Patent
active
058167552
ABSTRACT:
There is now provided a method of machining and shaping a through opening in a fiber-reinforced composite material starting from a preformed hole. At least one rotation symmetrical milling body with a substantially smaller diameter than that of the preformed hole is placed in that hole and the opening is machined and shaped by the milling body partly rotating around its own axis, partly by a translational movement relative to the edge of the opening. According to the method, the fiber-reinforced material is oriented in such a way that the axis of rotation of the milling body is essentially perpendicular to the longitudinal direction of the fibers at the edge of the opening. The size and/or form of the finished opening differs significantly from that of the preformed hole. The radial spread of the damages and/or the defects define a lower limit for the amount of material removed.
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Briggs William R.
Sandvik AB
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