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Abstract: Board material cold to press , it processes to be machined one important component. It is very extensive that it employs . But because the choice with unreasonable choice and pressing the interval that traditional processing is pressing the craft scheme is too big, question of matching of the press. etc. This text presses The automobile rim falls the materal drawing compound mold with the main introduction of mold design to the clutch housing:
1. Calculate by analysis , craft by craft, interval choice of value, confirm this design technological process and structural form of trimming die.
2. Analyzed separately to moulds designed that explain at the same time ,
3. Having made the rational choice to the press,
4. The whole course adopts AutoCAD software to draw the two-dimentional installation diagrams and specific part pictures of the mould .
Key word: Press the mould £»automobile rim£» the interval of blanking£»press the craft¡£