I. D. Helix grooving head

Details I. D. Helix grooving head I. D. Helix grooving head

1982-04-28

1986-02-18

Weidenfeld, Gil

Cutting by use of rotating axially moving tool

Processes

Bit detachable

408224, B23B 3500

Patent

active

045711283

ABSTRACT:
A grooving head for cutting an internal helical groove is mounted at one end of a tubular boring bar. The head has two cutter sockets that are axially spaced apart and are azimuthally spaced apart 180 degrees. Cutters are disposed in the sockets and means are provided to adjust the radial distance to which the cutters extend from the axis of the bar and head, the trailing cutter extending farther than the leading cutter. The bar is stabilized by a plurality of wear buttons at its outer periphery, the buttons having convex outer ends and being azimuthally spaced apart and radially adjustably positioned.

REFERENCES:
patent: 1643264 (1927-09-01), Wetmore
patent: 2212953 (1940-08-01), Smila et al.
patent: 2407921 (1946-09-01), Deliso
patent: 2821874 (1958-02-01), Oliver
patent: 2954520 (1960-10-01), Couch
patent: 4093392 (1978-06-01), Hopkins
patent: 4184794 (1980-01-01), Henninghans

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