Method of producing fluid-chamber component elements

Details Method of producing fluid-chamber component elements Method of producing fluid-chamber component elements

1994-08-16

1995-03-14

Larson, Lowell A.

Metal deforming

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

During rotation of work

29888049, 2989332, B21H 104

Patent

active

053967879

ABSTRACT:
To form a seal ring groove in the outer peripheral surface of a steel plate having a circular contour, the present invention provides a method of producing fluid-chamber component elements by which the peripheral portion of the steel plate held by and between a pair of rotary molds is thickened with the use of a roller before the seal ring groove is formed. According to the method of the present invention, a preliminary thickened portion is first formed at the peripheral portion of the steel plate. Then, there is formed, at the outer peripheral surface of the steel plate, a final thickened portion having such a thickness that the seal ring groove can be formed therein. This prevents the steel plate from being buckling by a pushing force applied by a roller at the time when forming the final thickened portion.

REFERENCES:
patent: 3999416 (1976-12-01), Brooks

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