资料介绍
钣金产品抽孔攻芽数据表
常見螺紋不同材料厚度下的預沖孔徑和上﹑下模尺寸如下表所示:
螺紋規格 |材料厚度 |抽芽高度 |上沖頭(d) |下模(D) |預沖孔(d1) |螺紋規格
|材料厚度 |抽芽高度 |上沖頭(d) |下模(D) |預沖孔 | |M3 |T=0.6 |1.5 |2.6 |3.6
|1.4 |4(-40 |T=0.6 |1.9 |2.4 |3.2 |1.2 | | |T=0.8 | | |3.8 |1.5 | |T=0.8 |
| |3.4 |1.4 | | |T=1.0 | | |4.0 |1.6 | |T=1.0 | | |3.6 |1.5 | | |T=1.2 | |
|4.2 |1.7 | |T=1.2 | | |3.8 |1.6 | | |T=1.5 | | | |2.5 | |T=1.5 | | |4.2
|1.8 | |M3.5 |T=0.6 |1.8 |3.2 |4.0 |1.6 |6(-32 |T=0.6 |2.4 |3.2 |3.8 |1.4 |
| |T=0.8 | | |4.2 |1.8 | |T=0.8 | | |4.0 |1.5 | | |T=1.0 | | |4.4 |2.0 |
|T=1.0 | | |4.2 |1.6 | | |T=1.2 | | |4.6 |2.2 | |T=1.2 | | |4.4 |1.8 | |
|T=1.5 | | |4.8 |2.4 | |T=1.5 | | |4.6 |2.0 | |M4 |T=0.6 |2.1 |3.6 |4.2
|1.6 |8(-32 |T=0.6 |2.4 |3.6 |4.6 |1.6 | | |T=0.8 | | |4.4 |1.8 | |T=0.8 |
| |4.8 |1.8 | | |T=1.0 | | |4.6 |2.0 | |T=1.0 | | |5.
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