B - Operations – Transporting – 23 – B
Patent
B - Operations, Transporting
23
B
B23B 5/36 (2006.01) A61F 2/34 (2006.01) B23G 1/02 (2006.01) F16B 33/02 (2006.01)
Patent
CA 2636020
A process is proposed for the cutting of workpieces with non-circular or discontinuous contours on standard programmable lathes, in which the use and combination of a program of thread cycles and jerk values for the diameter and the longitudinal axis or the pitch, the pilgrim-step technique and interleaved machining sequences represent virtually infinite possibilities. One of the preferred applications of the process allows special threads to be cut on screw-in artificial hip joint sockets for example with virtually any pinch, neutral or relief angles of the thread blade. The invention allows the manufacture of a particularly beneficial hip joint socket made of thread blades comprising staggered screw surfaces.
Hoermansdoerfer Gerd
Kirby Eades Gale Baker
LandOfFree
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