螺栓基礎知識ppt課件

1、1.緊固件編號規(guī)則2.螺栓與螺母的匹配關系3.標準件的材料 4.擰緊力矩的影響因素5.摩擦系數(shù)測定方法6.標準件的互換原則7.標準件的使用范圍及選擇方法8.標準件的失效機理9.標準件的防松技術10.標準件設計的新技術11.表面處理12.標準件建庫建議13.標準件的檢測方法14.標準件的生產(chǎn)工藝491213規(guī)格牙距截面積4T7T9T標準最大標準最大標準最大M30.55.030.690.981.271.671.862.26M3.50.66.781.181.472.062.552.843.63M40.78.781.672.162.943.734.225.39M50.814.23.534.615.88

2、7.658.5310.8M6120.15.987.659.8112.714.718.6M81.2536.614.718.624.531.435.345.1139.215.719.626.533.337.348.1M101.55829.437.34961.869.689.21.2561.230.439.25164.773.693.2M121.7584.35164.784.31081181571.2592.155.970.692.2118137167M141.512587.3108147186206265M161.5167137167226284324412規(guī)格牙距截面積4T7T9T標準最大標準最

3、大標準最大M30.55.030.490.590.780.981.181.37M3.50.66.780.780.881.271.471.772.06M40.78.781.181.271.862.162.653.14M50.814.22.262.653.824.415.396.37M6120.13.824.416.377.459.2210.8M81.2536.69.3210.815.717.722.625.5139.29.8111.816.719.623.528.4M101.55818.621.630.436.344.1521.2561.219.622.632.438.247.153.9M121.

4、7584.332.437.353.962.877.590.21.2592.135.441.258.868.684.398.1M141.512555.964.793.2108137157M161.516785.398.1137167206235擰入距離扭距破壞扭距扭距法軸力應變圖轉角法扭距斜率法202223價格螺紋長度2d4d8d26281.雙螺母 2.有預緊力開槽螺母 3.尼龍鎖緊螺母 4.高螺母 5.無預緊力開槽螺母 6.金屬鎖緊螺母 7.內(nèi)齒彈墊 8.外齒彈墊 9.輕型彈墊 10.六角螺母31323334契型拉伸試驗脫碳試驗結果硬度試驗硬度試驗設備滲碳試驗結果金相照片扭距試驗設備金屬流向-內(nèi)六角金屬流向-法蘭延遲破壞試驗中不合格產(chǎn)品鹽霧試驗機膜厚試驗機鹽霧試驗照片扭力軸力試驗設備摩擦示意圖疲勞試驗設備44搓絲出料熱處理進料熱處理中間過度熱處理出料電鍍進料電鍍滾