MULTITHREAD WORM AND TOOL FOR MACHINING MULTITHREAD WORMS

摘要

FIELD: mechanical engineering; manufacture of multithread worm pairs. SUBSTANCE: screw surface of worm in normal section is made curvilinear. Curvature of profile depends on basic rack and it relates with parameters given in description of invention. Cutting edge of tool is made curvilinear. Curvature of cutter profile relates with basic rack of flat conjugate rack as described in invention. EFFECT: enlarged operating capabilities. 2 cl, 1 dwgt