Reversibly rotating tube cutting apparatus and method

Details Reversibly rotating tube cutting apparatus and method Reversibly rotating tube cutting apparatus and method

1990-03-12

1990-12-25

Yost, Frank T.

Cutting

Processes

During movement of work past flying cutter

83 54, 83319, 83320, 83578, B23D 2100

Patent

active

049794108

ABSTRACT:
The invention is embodied in a tube cutting station in a tube producing mill. The cutting station includes a rotating press assembly and an axially moving cutting assembly. The cutting assembly is accelerated axially to a velocity which matches that of the tubing being produced. Once the cutting assembly reaches the same velocity as the tubing line, the press assembly can cause downward movement of a cutting blade through the tubing. The press assembly of the present invention is alternately rotated in opposite directions to maximize the rotational extent and time available for acceleration and deceleration of the press assembly, and therefore enables the use of lightweight drive motors. Slower acceleration and deceleration also reduces wear on components used to drive and stop the press assembly.

REFERENCES:
patent: 4108029 (1978-08-01), Borzym
patent: 4542670 (1985-09-01), Borzym
patent: 4637287 (1987-01-01), Kusakabe

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