Boring machine and method of rigidizing a boring bar

Details Boring machine and method of rigidizing a boring bar Boring machine and method of rigidizing a boring bar

1980-07-14

1982-08-24

Vlachos, Leonidas

Cutting by use of rotating axially moving tool

Processes

Bit detachable

408 8, 408 25, 82 2E, B23B 3500, B23B 5108

Patent

active

043458602

ABSTRACT:
In a boring machine having an elongated rotating boring bar for internal end boring of elongated workpieces, the boring bar is rigidized during initial internal boring operations by clamping the workpiece in axial alignment with the axially rotating elongated boring bar and the boring bar is radially clamped intermediate its ends with a clamp which rotates with the rotating bar to rigidize the bar during initial boring operations. After initial end boring of the workpiece, the clamp is radially retracted and the boring operation is continued on the workpiece to a depth beyond the position of previous clamping on the boring bar.

REFERENCES:
patent: 2625060 (1953-01-01), Cudini
patent: 2903917 (1959-09-01), Carlstedt
patent: 4154555 (1959-05-01), Skrentner

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