Ball sizing machine and method

Details Ball sizing machine and method Ball sizing machine and method

1976-02-11

1977-02-01

Husar, Francis S.

Metal deforming

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

Spherical tool

72370, B21B 1706

Patent

active

040055914

ABSTRACT:
A ball sizing machine for sizing an internal passage in a workpiece in which pressure is employed to force a sizing ball through the passage against a fluid counter-pressure. The opposite ends of a passage to be sized are sealed at each end with a tapered ram plug with the sizing ball within the head end of the passage. The passage is filled with a fluid, such as oil, from the tail end of the passage. When passsage has been filled from the tail end to a predetermined pressure, the system is conditioned to permit a metered flow of fluid out of the tail end when pressure is applied to the head end of the passage in front of the ball to force the ball through the passage.

REFERENCES:
patent: 3587269 (1971-06-01), Seccombe et al.
patent: 3691805 (1972-09-01), Gresham et al.

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