| After a study on the design features and technical requirements of a exhaust pipe flange，the compound stamping forming process was determined. The designed compound die could be used to complete four procedures of the outer edge of flanging, the drawing, punching hole and hole flanging in turn. The compound die features of structure, working process, main design points and notices to produce were introduced in detail. After the actual production, it was found that the die greatly improved the production efficiency and quality of product. The economic benefit of company was improved. |
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