INTERNAL SPLINE TOOTH DISK HOBBING FIXTURE HIGH IN PRECISION

摘要

#$%^&*AU2016101657A420161110.pdf#####TITLE: INTERNAL SPLINE TOOTH DISK HOBBING FIXTURE HIGH IN PRECISION Abstract An internal spline tooth disk hobbing fixture high in precision, comprising a base, and a mandrel inserted into a blind hole in the center of the base, characterized in that a spring collet is provided inside a blind hole of the base; and the mandrel is a spline mandrel matched with a spline of the internal spline tooth disk, and a lower end of the spline mandrel is fixed in the spring collet; a movable connection support sleeve, a lower backing member and an upper backing member are successively sleeved on the spline mandrel; at an upper end of the spline mandrel, threads and a locking nut configured to compress the upper backing member are provided; a chamber, which can accommodate steps of the internal spline tooth disk, is respectively formed in the upper backing member and the lower backing member, and the upper backing member and the lower backing member are respectively resisted against tooth surfaces on upper and lower sides of the internal spline tooth disk; a groove, which can be adapted to a tapered jacket of the spring collet, is provided at a lower end of the connection support sleeve, and the tapered jacket at a top end of the spring collet is located inside the connection support sleeve. 5 'El 3 1 -6N 6N