B - Operations – Transporting – 23 – P
Patent
B - Operations, Transporting
23
P
26/174
B23P 15/14 (2006.01) F16H 49/00 (2006.01)
Patent
CA 1283776
ABSTRACT METHOD OF MAKING AN INTERNAL WAVE GENERATOR FOR STRAIN WAVE GEARING A method of making an elliptoidal internal journal type wave generator for use with a flexspline, the latter having internal spline teeth, an outer diameter (O.D.) designated two times the radius (R), and a radial deflection (d) for spline meshing at minor axis localities with diametrically opposed spline teeth of at least one rigid circular spline, the method comprising: a. providing a circular wave generator ring with a radially inner wall diameter (I.D.) equal to twice R plus three times d, and a ring thickness 1.3 to 1.4 times the inner wall I.D.; b. opening the ring by forming only one gap at least eight times d in circumferential dimension; c. radially reducing the ring portion diametrically opposite to the gap to enhance radial flexibility of the ring while still enabling it to maintain its I.D. dimension; d. compressing the ring along an axis perpendicular to a median through the gap and the reduced portion to circumferentially decrease the gap until permanent deformation occurs establishing a minor axis dimension in the ring corresponding to loose meshing of the spline teeth; and e. further closing the gap to selectively decrease the minor axis dimension to enable the ring to preload the spline teeth.
527695
Carlson John Howard
New Connecticut Bank And Trust Company National Association (the)
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
Teijin Seiki Boston Inc.
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