| 摘要 |
A press casting die able to change its female and male die cores, in which mainly a movable-side fixed plate of a die seat is provided behind a male-die recess with a plate receiving recess of a larger area, the plate receiving recess can be mounted therein with a changeable pressure bearing plate having thereon holes for insertion of pushing-out pins, the pressure bearing plate is abutted against by a pair of die-foot blocks in its rear to thereby have sufficient bearing capability to assure its durability for a high pressure in material injection. Therefore, when life of use of the die cavity is exhausted, only the female die core, the male die core and the pressure bearing plate are necessarily changed, thereby the cost of the die is largely reduced, and benefit of environmental conservation can be provided.
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