Non-indexing machining method and apparatus
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 8, 1983
Grant Date -
N/A
app pub date -
Sep 22, 1980
filing date -
Sep 22, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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