Method and apparatus for producing thin tubes in a skew-rolling

Details Method and apparatus for producing thin tubes in a skew-rolling Method and apparatus for producing thin tubes in a skew-rolling

1979-03-16

1981-01-06

Mehr, Milton S.

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

72370, B21B 1906

Patent

active

042428947

ABSTRACT:
A method and apparatus for producing a thin metallic tube having a trailing end portion which optionally can be formed with an external diameter substantially corresponding to or varying from that of the remaining rolled portion of the tube rolled in a three roller skewed rolling mill. This is accomplished by causing an angular unisonal displacement of the roller axes to effect an enlargement of the rolling area, and at least during part of the roller movement, a second movement of the roller perpendicular to the axis of the tube.

REFERENCES:
patent: 2060768 (1936-11-01), Assel
patent: 2336397 (1943-12-01), Harrington

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