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Abstract：
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With continuously improving technological level and expanding application range of fine blanking combined with extrusion process for sheet metal，the problem of lacking corresponding national standard to specify its process and technical specification is increasingly emerging, which causes inconvenience for general application of fine blanking combined with extrusion process. Based on the summary and analysis of technological development and industry status of fine blanking combined with extrusion process，the course and status of drafting and revising of standards in domestic fine blanking field were introduced in detail，and the urgency and necessity of developing national standards Sheet metal parts fabricated by fine blanking combined with extrusion process—Technological specification and Sheet metal parts fabricated by fine blanking combined with extrusion process—General specification were expounded. Simultaneously，the developing background and main technical contents of two standards were introduced in detail to guide the extensive enterprises of fine blanking to use the standard and regulate the development of fine blanking field.
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Funds：
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国家重点研发计划（2016YFF0202101）；北京机电研究所有限公司基金项目（Q/BRIMET-JL71-01.2）
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AuthorIntro：
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周林（1983-），男，硕士，高级工程师，E-mail：zz_lin@163.com
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Reference：
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JB/Z 272—86, Fine blanked parts—Structural processability[S].
[12]JB/Z 280—87,精密冲裁件质量[S].
JB/Z 280—87,Fine blanked parts—Quality[S].
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JB/T 6597—1993, Fine blanked parts—Compiling rules of processes [S].
[14]JB/T 6598—1993,精密冲裁件通用技术条件[S].
JB/T 6598—1993, Fine blanked parts—General technological requirements [S].
[15]JB/T 9175.1—2013，精密冲裁件第1部分：结构工艺性[S].
JB/T 9175.1—2013，Fine blanked parts—Part 1：Structural processability [S].
[16]JB/T 9175.2—2013，精密冲裁件第2部分：质量[S].
JB/T 9175.2—2013，Fine blanked parts—Part 2：Quality [S].
[17]GB/T 30572—2014，精密冲裁件工艺编制原则[S].
GB/T 30572—2014，Fine blanked parts—Compiling rules of processes [S].
[18]GB/T 30573—2014，精密冲裁件通用技术条件[S].
GB/T 30573—2014，Fine blanked parts—General technological requirements [S].
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