KNUCKLE DEBURRING CUTTER AND MACHINING METHOD OF KNUCKLE

摘要

A knuckle deburring cutter and a method of knuckle for removal of burrs at a lower ball head hole of a knuckle and burrs in the locations where the lower ball head hole, a pinch bolt hole and a pinch bolt slot intersect one another. The knuckle deburring cutter includes a cutter shank in a circular bar shape having a diameter less than that of the lower ball head hole. A deburring cutter head is positioned at an end of the cutter shank with the shape of the deburring cutter head matching that of the pinch bolt hole. A sharp-angle part of lettering is positioned at an end of the deburring cutter head with a width of the sharp-angle of lettering being less than that of the pinch bolt slot. The knuckle deburring cutter and associated method provides benefits, such as low rejection rate, ease of machining, short production rhythm and the like.

主权项

1. A knuckle deburring cutter for removal of burrs of a knuckle, the knuckle comprising:
a lower ball head hole, a pinch bolt hole and a pinch bolt slot in communication with one another; wherein the lower ball head hole runs through a front end face and a rear end face of the knuckle; the pinch bolt slot is an open slot, provided at a top surface of the knuckle, and extends to the rear end face of the knuckle from the front end face of the knuckle; the pinch bolt hole is positioned between the front end face and the rear end face of the knuckle; a cutter shank in a circular bar shape, the cutter shank having a diameter being less than that of the lower ball head hole of the knuckle; a deburring cutter head positioned at an end of the cutter shank, a shape of the deburring cutter head matching that of the pinch bolt hole of the knuckle; and a sharp-angle of lettering positioned at an end of the deburring cutter head, a width of the sharp-angle of lettering being less than that of the pinch bolt slot of the knuckle.