Tool for cutting lips of staked bearings and bushings with ring-

Details Tool for cutting lips of staked bearings and bushings with ring- Tool for cutting lips of staked bearings and bushings with ring-

1979-12-14

1982-05-25

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

With work-engaging structure other than tool or tool-support

Having tool-opposing, work-engaging surface

2940203, 408 82, 408101, B23B 4112, B23B 4718

Patent

active

043314104

ABSTRACT:
The tool includes a mandrel on which is seated and axially held an exchangeable milling cutter, coupled to the mandrel by a clutch drive ring for shell end mill arbors, for transmitting the torque during the milling procedure. In addition, a stop element is mounted on the mandrel, held against an axial displacement, but permitting relative rotation of the mandrel for operating the cutter, whereby particularly a thrust bearing is used between the mandrel and the stop element. The stop element is adjustable and limits the longitudinal movement of the cutter. To prevent any damage to the chamfer-area around the housing-bore hole by the cutter, the stop has to be adjusted accurate to the gauge, in reference to the cutting edge geometry of the cutter teeth, so that just a thin blade of material of the outer ring lip remains. The whole device is centered with the mandrel in the bore of the bearing or bushing which is to be removed after cutting one ring lip. The cutting depth is adjusted by means of a nut on the mandrel-thread. The nut is integrated in a supporting bell with a thrust bearing, a shim ring and a retaining ring for shafts. During adjustment the non-co-rotating supporting bell is seated against the housing and pressed against it until the cutter-teeth, which rest against the ring lip of the bearing or bushing, have reached the required depth. The axial force resulting from the adjustment is transmitted via the supporting bell onto the fitting.

REFERENCES:
patent: 1423462 (1922-07-01), Sharpnack
patent: 1435502 (1922-11-01), Sazer
patent: 1940420 (1933-12-01), Kerns
patent: 2514641 (1950-07-01), Harris, Sr.
patent: 4017201 (1977-04-01), Adams et al.

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