1、国内模具制造企业常用的冲裁间隙值见表 2-8、表 2-9、表 2-10。表 2-8 汽车拖拉机行业常用冲裁间隙值 Z08、10、 35、09Mn、Q235 16Mn 40、50 65Mn材料厚度Zmin Zmax Zmin Zmax Zmin Zmax Zmin Zmax小于 0.5 极 小 间 隙0.50.60.70.80.91.01.21.51.752.02.12.52.753.03.54.04.55.56.06.58.00.0400.0480.0640.0720.0900.1000.1260.1320.2200.2460.2600.3600.4000.4600.5400.6400.720
2、0.9401.0800.0600.0720.0920.1040.1260.1400.1800.2400.3200.3600.3800.5000.5600.6400.7400.8801.0001.2801.4400.0400.0480.0640.0720.0900.1000.1320.1700.2200.2600.2800.3800.4200.4800.5800.6800.6800.7800.8400.9401.2000.0600.0720.0900.1040.1260.1400.1800.2400.3200.3800.4000.5400.6000.6600.7800.9200.9601.100
3、1.2001.3001.6800.0400.0480.0640.0720.0900.1000.1320.1700.2200.2600.2800.3800.4200.4800.5800.6800.7800.9801.1400.0600.0720.0920.1040.1260.1400.1800.2300.3200.3800.4000.5400.6000.6600.7800.9201.0401.3201.5000.0400.0480.0640.0640.0900.0900.0600.0720.0920.0920.1260.126表 2-9 电器仪表行业常用冲裁间隙值 Z软铝 紫铜、黄铜、软钢（C0
4、.080.2） 杜拉铝、中等硬钢 （C0.30.4） 硬钢（C0.50.6）材料厚度Zmin Zmax Zmin Zmax Zmin Zmax Zmin Zmax0.20.30.40.50.60.70.80.91.01.21.51.82.02.22.52.83.03.54.04.55.06.07.00.0080.0120.0160.0200.0240.0280.0320.0360.0400.0500.0750.0900.1000.1320.1500.1680.1800.2450.2800.3150.3500.4800.5600.0120.0180.0240.0300.0360.0420.048
5、0.0540.0600.0840.1050.1260.1400.1760.2000.2240.2400.3150.3600.4050.4500.6000.7000.0100.0150.0200.0250.0300.0350.0400.0450.0500.0720.0900.1080.1200.1540.1750.1960.2100.2800.3200.3600.4000.5400.6300.0140.0210.0280.0350.0420.0490.0560.0630.0700.0960.1200.1440.1600.1980.2250.2520.2700.3500.4000.4500.500
6、0.6600.7700.0120.0180.0240.0300.0360.0420.0480.0540.0600.0840.1050.1260.1400.1760.2000.2240.2400.3150.3600.4050.4500.6000.7000.0160.0240.0320.0400.0480.0560.0640.0720.0800.1080.1350.1620.1800.2200.2500.2800.3000.3850.4400.4900.5500.7200.8400.0140.0210.0280.0350.0420.0490.0560.0630.0700.0960.1200.144
7、0.1600.1980.2250.2520.2700.3500.4000.4500.5000.6600.7700.0180.0270.0360.0450.0540.0630.0720.0810.0900.1200.1500.1800.2000.2400.2750.3080.3300.4200.4800.5400.6000.7800.9108.09.010.00.7200.8700.9000.8800.9901.1000.8000.9001.0000.9601.0801.2000.8800.9901.1001.0401.1701.3000.9601.0801.2001.1201.1261.400
8、表 2-10 机电行业常用冲裁间隙值 ZT8、45、 1Cr18Ni9Q215、Q235、35CrMo、QSnP10-1、D41、D4408F、10、15、H62T1、T2、T3 L2、L3、L4、L5材料厚度Zmin Zmax Zmin Zmax Zmin Zmax Zmin Zmax0.350.50.81.01.21.51.82.02.53.03.54.04.55.06.08.010.00.030.040.090.110.140.190.230.280.370.480.580.680.790.901.161.752.440.050.080.120.150.180.230.270.320.4
9、30.540.650.760.881.001.261.872.560.020.030.060.080.100.130.170.200.250.330.420.520.640.750.971.462.040.050.070.100.120.140.170.220.240.310.390.490.600.720.851.071.582.160.010.020.040.050.070.080.120.130.160.210.250.320.380.450.600.851.140.030.040.070.080.100.120.160.180.220.270.330.400.460.550.700.9
10、71.260.020.0250.040.050.060.070.080.110.140.180.210.260.300.400.600.800.030.0450.060.070.100.110.120.170.200.260.290.340.400.500.720.92我国冲裁间隙指导性技术文件推荐的间隙值见表 2-11。表 2-11冲裁间隙指导性技术文件推荐的间隙值 C（单面间隙 ct ） 08F、 10F、10、 20、Q235 3.07.0 7.010.0 10.012.545、4Cr13、1Cr18Ni9Ti 3.58.0 8.011.0 11.015.0T8A、T10A、65Mn 8
11、.012.0 12.015.0 15.018.0纯铝 L2、L3 、L4 、L5 、黄铜（软态）H62、紫铜（软态）T1、T2、T32.04.0 4.56.0 6.59.0黄铜（硬态） 、紫铜（硬态） 3.05.0 5.58.0 8.511.0铝合金（硬态）LY12锡磷青铜、铝青铜、铍青铜3.56.0 7.010.0 11.013.0镁合金 1.52.5硅钢 2.55.5 5.09.0适 用 场 合冲件断面质量、尺寸精度要求高时，采用小间隙，冲模冲件断面质量、尺寸精度要求一般时，采用中等间隙。冲件断面质量、尺寸精度要求不高时，采用大间隙，分类间隙比值材料寿命较低 因残余应力小，能减少破裂现象，适用于继续塑性变形的制件以利于提高冲模寿命注：1. 本表适用厚度为 10mm 以下的金属材料。考虑到料厚对间隙比值的影响，将料厚分成0.11.0；1.23.0；3.56.0；7.010.0mm 四档，金属料厚为 0.11.0mm 时，各类间隙比值取下限值，并以此为基数，随着料厚的增加，再逐档递增（0.51.0）t（有色金属和低碳钢取小值，中碳钢和高碳钢取大值） 。2. 凸、凹模的制造偏差和磨损均使间隙变大，故新模具应取最小间隙值。3. 其它金属材料的间隙比值可参考表中抗剪强度相近的材料选取。
