钣金抽孔攻牙数据表1

《钣金抽孔攻牙数据表1》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、(9)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M3T=0.61.52.63.61.44-40T=0.61.92.43.21.2T=0.83.81.5T=0.83.41.4T=1.04.01.6T=1.03.61.5T=1.24.21.7T=1.23.81.6T=1.52.5T=1.54.21.8M3.5T=0.61.83.24.01.66-32T=0.62.43.23.81.4T=0.

2、84.21.8T=0.84.01.5T=1.04.42.0T=1.04.21.6T=1.24.62.2T=1.24.41.8T=1.54.82.4T=1.54.62.0M4T=0.62.13.64.21.68-32T=0.62.43.64.61.6T=0.84.41.8T=0.84.81.8T=1.04.62.0T=1.05.02.0T=1.24.82.2T=1.25.22.2T=1.55.02.4T=1.55.42.4M5T=0.62.44.65.62.0T=0.85.82.2T=1.06.02.4T=1.26

3、.22.6T=1.56.42.8前題:1.表面不可有毛刺.2.須用無屑絲攻.3.牙規檢測`