螺孔底孔翻边尺寸.pdf

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1、孔翻边型式较多，本规范只关注要加工螺纹的内孔翻边，如图所示。螺纹材料厚度t翻边内孔D1翻边外孔d2凸缘高度h预冲孔直径D0凸缘圆角半径R0.83.381.61.90.63.251.62.213.381.81.90.5M32.553.5223.381.9221.20.63.52.161.51.53.52.41.70.7514.4622.30.54.351.922.71.24.52.162.30.6M43.354.652.41.54.462.42.51.50.754.652.71.824.562.22.411.25.62.430.65.462.42.51.55.62.730.75M54

2、.255.7532.55.533.22.4215.753.62.72.55.7543.11.251.57.033.60.756.73.24.227.03.63.61M65.17.342.57.042.82.51.257.34.5337.04.83.41.5表1带螺纹孔的内孔翻边尺寸参数