Boring bar constructed by bending

Details Boring bar constructed by bending Boring bar constructed by bending

B - Operations, Transporting

21

K

77/37

B21K 21/00 (2006.01) B23B 27/00 (2006.01) B23P 15/30 (2006.01)

Patent

CA 1038657

BORING BAR CONSTRUCTED BY BENDING ABSTRACT OF THE DISCLOSURE: A pair of boring bars are constructed from a single double length straight bar by providing a central bend of suitable angle and curvature to provide a pair of offset supports for a pair of cutting inserts having cutting points projecting to an offset cutting position relative to the periphery of the bar. Cutting out a small segment at the center of the bend provides two boring bars with curved ends. Machining of a chip clearance path and insert pocket on one side or the other of each bar completes a pair of left or a pair of right or opposite hand boring bars.

251453

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