1、冷沖壓模具常用零件標準一、彈簧與橡膠的選用1. 橡膠橡膠允許承受的載荷較大，占據的空間較小，安裝調整比較靈活方便，而且成本低，是中小型冷沖模彈性卸料、頂件及壓邊的常用彈性元件。選用橡膠時，應主要確定其自由高度、預壓縮量及截面積。其計算公式及步驟可由表1確定。表1卸料橡膠計算公式序號計算步驟及計算公式說明1確定自由高度H0H工+H修磨H0,0.250.3H工一沖模的工作行程(mm)。對沖裁模而言，H工=t+1H修磨預留的修磨量。一般取510mm2確定H預和H裝H預=(0.100.15)H0H裝=H自一H預H預一橡膠的預壓縮量H裝一沖模裝配好以后橡膠的高度3確正橡膠的橫截面積(mm)A上PF一所需

2、卸料力(N)p一橡膠在預壓縮狀態下的單位壓力：約0.260.5MPa2. 彈簧彈簧常用圓柱螺旋壓縮彈簧和碟形彈簧可按表2至表4選用。表2圓柱螺旋壓縮彈簧AWdDtPsD：maxDrminH0nP，FsFiF2L0.541.7511.42.95.1126.51.487.701.546.161072212.50.77214.82.9611.81822614.50.66517.23.4413.820763.167.624.57.51440.71410.72.148.56113226.50.44017.33.4613.81600.862.3428.74.27.8134.54.166.911.385.5

3、3123207.52.5011.52.309.2117932*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*8.52.2718.03.6014.1264104.3132.78122042.4713.32.6610.6189306.51.5221.54.3017.226712243.51.6316.73.3413.4207357.51.3

4、224.84.9619.82981.6103.551267.412.6245.511.810.72.148.56236358.57.6116.63.3213.3330124.411058.415.62249.3611.22.248.96226326.55.7618.33.6614.6320166.5978.812.419.63043.9520.04.0016.0302405.52.8727.55.5022.0376486.52.4332.46.4825.942760*8.51.8642.48.4833.952870*10.51.5052.410.541.96282.0124.111928162

5、44.520.39.481.907.58245357.512.215.83.1612.6358165.7414412202849.4615.03.0012.0302385.57.0120.64.1216.5377487.55.1428.15.6222.5478558.54.5431.86.3625.452865*10.53.6739.37.8631.472975*12.53.0946.89.3637.4729186.741281422557.53.6135.57.1028.4537658.53.1940.38.0632.254975*10.52.5849.89.9639.8707207.851

6、151525404.54.3926.35.2621.0408485.53.5932.26.4425.8471657.52.6343.98.7835.159775*8.52.3249.79.9439.866090*10.51.8861.412.349.1785dDtPsD：maxDrminH0nP，FsFiF2L2.0207.851151525120*14.51.3684.817.067.810372.5165.4027311.520.5304.520.913.02.6010.4327406.514.518.83.7615.0427487.512.621.54.3417.447865*10.58

7、.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*10.53.4557.511.546.08643.0165.334541121457.526.017.43.4813.9478528.523.019.83.9615.8528185.94403132365*10.518.624.44.

8、8819.562875*12.515.629.15.8223.3729354.530.513.22.6410.6368456.521.119.13.8215.3481588.516.125.05.0020.059470*10.513.130.96.1824.77073.5185.9461912.523.532463.59.751.957.80340405.546.213.42.6810.7424527.533.918.33.6614.6537206.5155713.526.5384.541.213.52.7010.8408506.528.519.63.9215.7534587.524.722.

9、64.5218.159775*10.517.631.66.3225.3785227.1450615.528.538434.814.62.9211.7415485.525.320.24.0016.0518627.518.627.35.4621.8657708.516.430.96.1824.77264.0206.638311327455.557.514.52.9011.6471587.542.519.73.9415.8597658.537.222.44.4817.966080*10.530.127.65.5222.1785227.187561529485.557.517.53.5014.0518

10、556.548.620.74.1416.6587708.537.227.15.4221.772685*10.530.133.46.6826.7864258.116651832454.536.018.53.7014.8511555.529.422.64.5218.1589707.521.630.96.1824.7746dDtPsD：maxDrminHonP'FsFiF2L4.0258.116651832808.519.035.07.0028.0825309.925542337857.512.544.48.8835.589595*8.511.050.310.140.2990115*10.5

11、8.9262.212.449.81178140*12.57.4974.014.859.213674.5258.1694717.532.542464.814.62.9211.7471555.547.120.14.0216.1589606.539.923.84.7519.0668707.534.627.45.4821.9746309.7678922.537.5453.542.918.43.6814.7518524.533.323.74.7418.9613655.527.328.95.7923.2707807.520.239.57.8931.68955.0258.2912991733555.571.

12、818.13.6214.5589656.560.821.44.2817.1668707.552.724.74.9319.7746808.546.528.05.5922.4825309.741083223850457.118.93.7915.2565655.541.626.15.2120.8707756.535.230.86.1624.6801857.530.535.57.1028.48953511.59282644604.532.029.05.8023.2715755.526.235.57.0928.4825856.522.141.98.3833.5935957.519.248.49.6738

13、.71045注：1.材料：65Mn、60Si2Mn，熱處理硬度4048HRC,表面磷化處理。2. 帶"*”的系細長比大于3.7,應考慮設置心軸或套筒。3. 標準：GB/T2089-1994。表3碟形彈簧類別Dh0PfH0fbOMb口、amfR0.75H0NKl/2N/mmKl/2N/mmH0QKg/1000件系列ADt,18；氣0.4;E=206000N/mm2；二=0.31189.210.41.412500.31.1-117013001.48022512.21.50.552.0529100.410.64-121014104.40031.516.31.750.72.4539000.5

14、31.92-119013107.8435.518.320.82.851900.62.2-1210133011.404020.42.250.93.1565400.682.47-1210134016.404522.42.513.577200.752.75-1150130023.505025.431.14.1120000.833.27-1250143034.30系列BDt28;氣：0.75;E=206000N/mm2;=0.31189.20.70.51.25720.380.82-104011301.0302512.20.90.71.68680.531.07-93810302.640231.516.3

15、1.250.92.1519200.681.47-109011905.60035.518.31.2512.2517000.751.5-99410707.1304020.41.51.152.6526200.861.79-1020113010.954522.41.751.33.0536600.982.07-1050115016.405025.421.43.447601.052.35-1060114022.90系列CDt：40;h0t、1.3；E=206000N/mm2;=0.31189.20.450.61.052140.450.6-78911100.6612512.20.70.91.66010.68

16、0.92-93612702.06031.516.30.81.051.856870.791.06-81011303.58035.518.30.91.152.058310.861.19-77910805.1404020.411.32.310200.981.32-77210707.3024522.41.251.62.8518901.21.65-920125011.705022.41.251.62.8515501.21.65-754104014.30注：1.材料：60Si2MnA或50CrVA，硬度4252HRC。2,摘自GB/T1972-1992。表4碟形彈簧的主要計算公式I1I喋I住師鞭的安發力注

17、El)h)殂弁式計算項目對合式安裝（圖a）復合式安裝（圖b）整個彈簧的允許負荷（N）f105tan2郵展2f105tan2中h062zn(d1.5D)n(1-%.5D)一個彈簧的最大允許變形量（mm）h=0.75ho整個彈簧的最大允許壓縮量（mm）h總=0.75nh°h總=0.75殊。z整個彈簧的預壓縮量（mm）h預=(0.150.20)nh0h預=(0.150.20)nh0彈簧的工作行程（mm）h工作=h總一h預保證規定行程的彈簧個數（個）h工作n0.5h。h工作zn0.5h。彈簧自由長度h自由=nhneh自由=一h+5(z1)z注：表中F一個彈簧在壓縮量等于0.75ho時的最大允

18、許負荷;h0一彈簧的極限行程（mm）;n一裝置中一組彈簧的總數；z一組合彈簧中每疊的彈簧數（圖b中z=3）；h一個彈簧的高度（mm）；.2（h-）8彈黃板厚度（mm）,n中=。D-d二、模具常用螺釘與銷釘冷沖模零件的連接與緊固常用圓柱頭內六角螺釘和沉頭螺釘（表5和表6）,零件的定位常用圓柱銷（表7）。表5圓柱頭內六角螺釘螺紋M4M5M6M8M10M12M16M20螺距p0.70.811.251.51.7522.5b參考2022242832364452dkmax3)7.008.5010.0013.0016.0018.0024.0030.004)7.228.7210.2213.2716.2718.

19、2724.3330.33min6.788.289.7812.7315.7317.7323.6729.67damax4.75.76.89.211.213.717.722.4dsMax4.005.006.008.0010.0012.0016.0020.00min3.824.825.827.789.7811.7315.7319.67emin3.444.585.726.869.1511.431619.44lfmax0.60.60.681.021.021.451.452.04螺紋M4M5M6M8M10M12M16M20kmax4.005.006.08.0010.0012.0016.0020.00min3

20、.824.825.77.649.6411.5715.5719.48rmin0.20.20.250.40.40.60.60.8S公稱456810121620max6)3.0714.0845.0846.0958.11510.11514.14217.237)3.0804.0955.1406.1408.17510.17514.212min3.0204.0205.0206.0208.02510.02514.03217.05tmin22.53456810vmax0.40.50.60.811.21.62dwmin6.538.039.3812.3315.3317.2323.1728.87wmin1.41.92

21、.33.344.86.88.6L（長度系列）6,8,10,12,16,20,25,30,35,408,10,12,16,20,25,30,35,40,455010,12,16,20,25,30,35,40,45,5055,6012,16,20,25,30,35,40,4550,55,60,6570,8016,20,25,30,35,40,45,5055,6065,70,80,90,10020,25,30,35,40,4550,55,60,6570,8090,100,110,12025,30,35,40,45,5055,6065,70,80,90,100,110,120,130,140,150,

22、16025,30,35,40,45,5055,6065,70,80,90,100,110,120,130,140,150,160,180,200注：1.標準：GB/T70.1-20002.材料：35鋼表6開槽沉頭螺釘螺紋規格dM4M5M6M8M10螺距p0.70.811.251.5aMax1.41.622.53bmin38dk理論值max9.410.412.617.320實際值公稱=max8.409.3011.3015.8018.30min8.048.9410.8715.3717.78K公稱=max2.72.73.34.655n公稱1.21.21.622.5max1.511.511.912.312.81min1.261.261.662.062.56rmax11.31.522.5tmax1.31.41.62.32.6min1.01.11.21.82.0xmax1.7522.53.23.8螺紋規格dM4M5M6M8M10L（長度系列）6,8,10,12,16,20,25,30,35,408,10,12,16,20,25,30,35,40,45,508,10,12,16,20,25,30,35,40,45,50,6010,12,16,20,25,30,35,40,4550,60,70,8012,16,2