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页数:10页
时间:2018-07-17
《冷冲压模具常用零件标准》由会员上传分享,免费在线阅读,更多相关内容在行业资料-天天文库。
1、冷冲压模具常用零件标准一、弹簧与橡胶的选用1.橡胶橡胶允许承受的载荷较大,占据的空间较小,安装调整比较灵活方便,而且成本低,是中小型冷冲模弹性卸料、顶件及压边的常用弹性元件。选用橡胶时,应主要确定其自由高度、预压缩量及截面积。其计算公式及步骤可由表1确定。表1卸料橡胶计算公式序号计算步骤及计算公式说明1确定自由高度—冲模的工作行程(mm)。对冲裁模而言,—预留的修磨量。一般取5~10mm2确定和—橡胶的预压缩量—冲模装配好以后橡胶的高度3确定橡胶的横截面积(mm2)—所需卸料力(N)—橡胶在预压缩状态下的单位压力:约0.26~0.5MPa2.弹
2、簧弹簧常用圆柱螺旋压缩弹簧和碟形弹簧可按表2至表4选用。表2圆柱螺旋压缩弹簧dDtPsDxmaxDTminH0nP’FSF1F2L0.541.7511.42.95.1126.51.487.701.546.161072212.50.77214.82.9611.81822614.50.66517.23.4413.820763.167.624.57.51440.71410.72.148.56113226.50.44017.33.4613.81600.862.3428.74.27.8134.54.166.911.385.53123207.52.5011
3、.52.309.2117932*12.51.5019.23.8415.427338*14.51.2922.34.4617.831183.5321.66.29.8184.51.7612.32.469.841631.030*7.51.0620.54.1016.42393.1240.9610205.53.5111.72.349.3618930*8.52.2718.03.6014.1264104.3132.78122042.4713.32.6610.6189306.51.5221.54.3017.226712243.51.6316.73.3413.42
4、07357.51.3224.84.9619.82981.6103.551267.412.6245.511.810.72.148.56236358.57.6116.63.3213.3330124.411058.415.62249.3611.22.248.96226326.55.7618.33.6614.6320166.5978.812.419.63043.9520.04.0016.0302405.52.8727.55.5022.0376486.52.4332.46.4825.942760*8.51.8642.48.4833.952870*10.5
5、1.5052.410.541.96282.0124.11192816244.520.39.481.907.58245357.512.215.83.1612.6358165.7414412202849.4615.03.0012.0302385.57.0120.64.1216.5377487.55.1428.15.6222.5478558.54.5431.86.3625.452865*10.53.6739.37.8631.472975*12.53.0946.89.3637.4729186.741281422557.53.6135.57.1028.4
6、537658.53.1940.38.0632.254975*10.52.5849.89.9639.8707207.851151525404.54.3926.35.2621.0408485.53.5932.26.4425.8471657.52.6343.98.7835.159775*8.52.3249.79.9439.866090*10.51.8861.412.349.1785dDtPsDxmaxDTminH0nP’FSF1F2L2.0207.851151525120*14.51.3684.817.067.810372.5165.4027311.
7、520.5304.520.913.02.6010.4327406.514.518.83.7615.0427487.512.621.54.3417.447865*10.58.9730.46.0824.362875*12.57.5336.27.2429.0729227.981.9816.527.53849.0621.94.3817.5415505.56.5930.16.0224.1518586.55.5735.77.1228.5587657.54.8341.18.2232.9657758.54.2646.59.3037.272690*10.53.4
8、557.511.546.08643.0165.334541121457.526.017.43.4813.9478528.523.019.83.9615
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