Method and apparatus for removing flash of polymeric molded prod

Metal working – Method of mechanical manufacture – Shaping one-piece blank by removing material

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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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