Transactions of Materials and Heat Treatment

Title：Progressive layout of double supporting plate seated parts

Authors： LIU Zhan-jun1 HUANG Wen-tao2 LI Quan2(1.College of Aerospace Engineering Shenyang Institute of Aeronautical Engineering Shenyang 110034 China 2.Flight Vehicle Manufacture Project Specialty Shenyang Institute of Aeronautical Engineering Shenyang 110034 Chi

Unit：

KeyWords： double supporting plate seated progressive die layout design substep punch

ClassificationCode：TG385

year,vol(issue):pagenumber：2009,34(4):123-125

Abstract：

The productive technology of double supporting plate seated parts including blanking and bending was analyzed and the whole structure of the special progressive die was introduced.The selective validity of its layout arrrangement was proved and the design method of key parts was given.The inconsistent feeding problem in bending direction was solved.The punching of complex hole was figured out by substep punch.The problem of yielding crack after bending was settled down by which bending line was removed a certain distance and technological trough was increased.Through practice,it is proved that the die structure is detailed,simple and reliable.The processing quality is good and productivity is high.It has an important reference value to the progressive die design of the similar parts.

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Reference：

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