普通车床准备与结束时间标准11-20.doc

表2普通车床准备与结束时间标准序号项目CM6125C620-1C630C650简单中 等复 杂简单中等复杂简单中 等复杂简单中 等复杂固定部分min1基本产品324463385478446393507311 02工装、设备182538223644253854304263另加部分min1装卸卡盘4610122车软爪1520283车花盘1520284翻或换装卡爪468105车卡盘顶尖61012166在主轴中心安装 定位或顶尖23457装卸尾座顶尖12348调正尾座357109调整尾座或小刀 驾车锥度4681010装卸中心架或跟 刀架3571011车螺纹挂轮20253012装卸专用夹具不需校正10152025找正- •处1520253()找正二处以 上30405060注：①凡车螺纹或车细长杆零件时，都给车螺纹挂轮或调正尾座时间，其他依此类推②复杂程度以加工不同尺寸个数N的多少区分：简单，NW6；中等，6WNW15；复杂, N>15oD至mm204050608010012015019024025405060801001201503040506080100404050605040607595120160185235夹法 装方复杂程度工装夹具简单0.150.160.170.180.180.190.210.220.23中等0.600.620.650.680.700.730.760.790.83复杂1.201.251.301.351.411.461.521.591.65三爪（硬、软）0.120.130.140.140.150.160.170.180.20三爪（硬、软）顶尖0.200.210.220.240.250.270.280.300.32三爪、顶尖（中心架、 跟刀架）二顶尖0.150.160.170.18续表3L至 mm300370470580730910114014201780222027753470190240300370470580730910114014201780222027753470120150190240300370470580730910114014201780222027758010012015019024030037047058073091011401420178050608010012015019024030037047058073091011404050608010012015019024030037047058073040506080100120150190240300370470405060801001201501902403004050608010012015019040506080100120405060804050Tbp min0.240.250.270.280.300.310.330.350.360.380.410.430.450.470.500.860.890.930.971.011.051.091.131.181.231.281.331.381.441.501.721.791.861.942.012.102.182.272.362.462.562.662.772.883.000.210.220.240.250.270.290.300.320.340.370.390.410.440.470.500.340.360.380.400.420.450.470.500.530.560.600.630.670.710.750.500.540.570.620.660.710.760.820.880.941.011.081.161.250.200.210.220.240.260.270.290.310.330.360.380.410.440.470.50注：复杂程度以在工装夹具上拆装零件个数N的多少区分：简单，NW3；中等3VNW6； 复杂，N>6o续表3D至 mm204050608010012015019024025405060801001201503040506080100404050605040607595120150185235装夹方法装卸要求四爪卡盘有机面一般找正无基面（毛坯）有机面精密找正四爪卡盘、顶尖 （中心架、跟刀架）有机面i般找正有机面精密找正三针装夹0.200.210.220.240.250.270.280.300.32内外装夹0.120.130.140.140.150.160.170.180.20续表3L至 mm300370470580730910114014201780222027753470190240300370470580730910114014201780222027753470120150190240300370470580730910114014201780222027758010012015019024030037047058073091011401420178050608010012015019024030037047058073091011404050608010012015019024030037047058073040506080100120150190240300370470405060801001201501902403004050608010012015019040506080100120405060804050Tbpmin0.500.530560.590.620.650.690.730.770.810.850.900.951.000.750.790.830.880.930.981.031.091.151.211.281.351.421.501.001.051.111.171.241.311.381.451.531.611.701.801.902.001.001.051.111.171.241.311.381.451.531.611.701.801.902.002.002.062.132.202.272.342.412.492.572.652.732.822.913.000.330.360.380.400.420.450.470.500.530.560.600.630.670.700.750.210.220.240.250.270.290.300.320.340.370.390.410.440.470.50表4普通车床吊车装卸工件时间标准D至 mm4027755017802775601140178027757573011401780。