22-09-2010 дата публикации
Номер: CN0101837409A
Автор:
BING DAI,
MING DENG,
MEIFANG KU,
XIAOPING LI,
CHENGYUN PENG,
CHUNHUAN WANG,
XIA ZHANG,
DAI BING,
DENG MING,
KU MEIFANG,
LI XIAOPING,
PENG CHENGYUN,
WANG CHUNHUAN,
ZHANG XIA
Принадлежит:
The invention relates to a rigid and flexible combined forming die based on solid particle medium, which comprises a female die, a male die, a lower die holder, a top bar, a cushion plate, a pressure plate, an air cylinder, an upper die holder, a solid particle bottom die, a bottom die cavity and the like. A solid particle medium is arranged in the cavity of a movable female die arranged on the cushion plate. When in forming, a closed bottom die cavity is formed among the movable female die, the cushion plate and a blank. The solid particle medium is filled in the bottom cavity and is used as a flexible bottom die for providing back pressure. Since the solid particle medium is used for providing back pressure, compared with the die which uses liquid medium for providing back pressure, the formation can be realized very easily, no special equipment is required, the leakage can be effectively avoided by using the solid particles, the environment is not polluted and the safe and reliable production ...
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