Method and apparatus for removing flash of polymeric molded prod

Details Method and apparatus for removing flash of polymeric molded prod Method and apparatus for removing flash of polymeric molded prod

1989-04-27

1990-12-25

Bilinsky, Z. R.

Metal working

Method of mechanical manufacture

Shaping one-piece blank by removing material

83565, 83914, 409140, B23C 300

Patent

active

049792830

ABSTRACT:
A flash removing method is provided for cutting off flash with a reamer which is freely movable while in contact with a polymeric molded product within a predetermined range of pressing forces. The reamer is provided with blades having normal clearance angles of substantially zero degree and the flanks of the blades follow the flash-forming region. The reamer is controlled in radial position according to the shape of the polymeric molded product, so that the reamer always receives a constant radial load from the product to leave even traces after the flash removal. A solidified gate is cut off before the flash removal. A flash removing apparatus for performing the method is also disclosed.

REFERENCES:
patent: 1595082 (1926-08-01), Gammeter
patent: 2649909 (1953-08-01), Lilley et al.
patent: 3581691 (1971-06-01), Ringler
patent: 3688615 (1972-09-01), Protze et al.

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