1、d112d220Ddth169.578200.6r3.5597.9816毛坯直徑#NAME?55.5784.719322542.4036r13.8d11.84178h1.531413124.5D26.28612202.52982211圓圓筒筒形形件件的的拉拉深深工工序序計計算算一.修邊余量查表4-4，h h69.569.5d d2020h/d=h/d=3.483.48修修邊邊余余量量查查表表得得=6 6 表4-4 無凸緣圓筒形拉深件的修邊余量工件高度h工 件 的 相 對 高 度 h/d0.50.80.81.61.62.5101.01.21.510201.21.62205022.53.35010

2、033.85100150456.515020056.3820025067.5925078.510二.2.2.毛毛坯坯直直徑徑查表4-7D=D=d1+4d2h1+6.28rd1+8rd1+4d2h1+6.28rd1+8r毛毛坯坯直直徑徑 D=D=78d2d1rhh1d1=d1=12d2=d2=20h=h=69.5r=r=4t=t=1(厚度)三.確確定定是是否否用用壓壓邊邊圈圈毛毛坯坯相相對對厚厚度度= = t/D100t/D100毛毛坯坯相相對對厚厚度度= =1.28t=t=1(毛坯的厚度)D=D=78(毛坯的直徑)查查表表4-804-80 所所得得: :采用壓邊圈不采用壓邊圈表4-80 采用或

3、不采用壓邊圈的條件拉深方法第一次拉深t/D100m1用 壓 邊 圈1.52.00.6四.確確定定拉拉深深次次數數d2d1rhh1采用查表法,查查表表4-184-18最最大大相相對對高高度度= =h/dh/d(包括修邊余量后h的值)毛毛坯坯相相對對厚厚度度= =t/D100t/D100最最大大相相對對高高度度= =3.7750毛毛坯坯相相對對厚厚度度= =1.2769拉拉深深次次查查表表得得: :3 3表4-18 無凸緣圓筒形拉深的最大相對高度 h/d拉深次數(n)毛 坯 相 對 厚 度 t/dt/d21.51.5110.610.940.770.840.650.700.5721.881.541.

4、61.321.361.133.52.72.82.22.31.845.64.34.33.53.62.958.96.66.65.15.24.1五.確確定定各各次次拉拉深深直直徑徑1.確定各次拉深直徑:由表4-15或4-16查得各次拉深的極限拉深系數為m 1 = =0.55各次拉深直徑為:m 2 =0.75m 3 =0.80m 4 =m 5 =最最大大相相對對高高度度= =3.7750毛毛坯坯相相對對厚厚度度= =1.2769表4-15 無凸緣筒形件用壓邊圈拉深時的拉深系數拉深系數毛 坯 相 對 厚 度 t/D10021.51.51.02.5422.5468101112hd圓圓筒筒形形件件的的拉拉深

5、深工工序序計計算算 表4-4 無凸緣圓筒形拉深件的修邊余量工 件 的 相 對 高 度 h/dd2d1rhh1第二次拉深t/dn 1100mn11.50.8d2d1rhh1表4-80 采用或不采用壓邊圈的條件0.60.30.30.150.150.080.620.50.520.450.460.381.130.940.960.830.90.71.91.51.61.31.31.12.92.42.42.02.01.54.13.33.32.72.72.0d d1 1 = =43.07d d2 2 = =32.31d d3 3 = =25.84d d4 4 = =0.00d d5 5 = =0.00表4-1

6、8 無凸緣圓筒形拉深的最大相對高度 h/d0.60.30.30.150.50.80.81.61.62.52.54101.01.21.5210201.21.622.5205022.53.345010033.856100150456.5815020056.381020025067.591125078.51012表4-80 采用或不采用壓邊圈的條件拉深方法第一次拉深第二次拉深t/D100m1t/dn 1100mn用 壓 邊 圈1.50.612.00.61.50.8表4-18 無凸緣圓筒形拉深的最大相對高度 h/d拉深次數(n)毛 坯 相 對 厚 度 t/dt/d21.51.5110.60.60.30

7、.30.1510.940.770.840.650.700.570.620.50.520.4521.881.541.61.321.361.11.130.940.960.8333.52.72.82.22.31.81.91.51.61.345.64.34.33.53.62.92.92.42.42.058.96.66.65.15.24.14.13.33.32.7表4-15 無凸緣筒形件用壓邊圈拉深時的拉深系數拉深系數毛 坯 相 對 厚 度 t/D10021.51.51.01.00.60.60.30.30.15m10.480.500.500.530.530.550.550.580.580.60m20.7

8、30.750.750.760.760.780.780.790.790.80m30.760.780.780.790.790.800.800.810.810.82m40.780.800.800.810.810.820.820.830.830.85m50.800.820.820.840.840.850.850.860.860.87表4-16 無凸緣筒形件不用壓邊圈拉深時的拉深系數材料相對厚度t/D100各 次 拉 深 系 數m1m2m3m4m50.40.900.920.60.850.900.80.800.881.00.750.800.901.50.650.750.840.870.902.00.600.750.800.840.872.50.550.750.800.840.873.00.530.750.800.840.873以上0.500.700.750.780.82附圖0.150.080.460.380.90.71.31.12.01.52.72.0hd表4-18 無凸緣圓筒形拉深的最大相對高度 h/d毛 坯 相 對 厚 度 t/dt/d表4-15 無凸緣