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

1986-08-08

1989-06-06

Bilinsky, Z. R.

Gear cutting, milling, or planing

Milling

Process

407 54, 409100, 409111, 409112, 409179, 409180, B23C 300, B23C 504

Patent

active

048367222

ABSTRACT:
A flash removing method whereby flash is cut off by a reamer which is freely movable while being in contact with polymeric molded products within a predetermined range of pressing force. 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.

REFERENCES:
patent: 476817 (1892-06-01), Pratt
patent: 4027575 (1977-06-01), White
patent: 4221514 (1980-09-01), Pavlovsky
patent: 4519167 (1985-05-01), Halberschmidt et al.

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