Non-indexing machining method and apparatus

Details Non-indexing machining method and apparatus Non-indexing machining method and apparatus

1980-09-22

1983-03-08

Bilinsky, Z. R.

Cutting by use of rotating axially moving tool

Tool or tool with support

Having inversely angled cutting edge

29566, 82 1C, 408 23, 408188, 408211, 408219, B23B 100, B23B 2926, B23G 122

Patent

active

043757081

ABSTRACT:
Disclosed is a method and apparatus for machining a tubular workpiece to form an internally threaded coupling having a faced and chamfered end and a tapered counterbore. The method includes forming a tool support bar having a longitudinal axis and supporting on the tool support bar first and second tools having cutting edges and a thread cutting tool. The method further includes rotating the workpiece about its longitudinal axis and positioning the tool support bar relative to the workpiece such that the axis of the tool support bar and the workpiece lie in one plane and are substantially parallel to each other. The method further includes moving the support bar to chamfer and face the end of the workpiece with the first tool, moving the tool support bar to taper and counterbore the interior of the workpiece with the second tool, and moving the support bar to thread the tapered interior of the workpiece with the thread cutting tool.

REFERENCES:
patent: 2413406 (1946-12-01), Dooling
patent: 3169426 (1965-02-01), Renoux

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