模具工作零件的精度决定制件的精度；
The mold work components precision decides the work_piece the precision;
模具设计包括模具工作零件、定位零件、卸料及推件零件、导向零件和连接固定零件的设计。
Die die design work, including spare parts, targeting parts, unloading and push pieces of spare parts, spare parts and connect fixed-oriented parts of the design.
在弯曲模设计中，常用斜楔滑块、杠杆、齿轮齿条等机构来挟迫模具工作零件的运动方向，实现工件的弯曲成形。
In the design of bending die, moving direction of working parts of die is forced by the mechanisms, such as wedge-slide, lever, rack gearing etc, so as to realize bending forming.
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