简单：加工不同尺寸数N《=3；中等：加工不同尺寸数314总计T准结：60Lz—工件周长(mm)薄板件薄壁孔件薄壁方孔件D—孔外径直径(mm)Lz/HKbD/HKbLfKbLf—方孔外周长(mm)<901<101<1001工件材料修正系数表K2灰铸铁0.9耐热合金钢1.7批量修正系数表K3中批生产1批量修正系数表K31薄壁件修正系数K1H—工件厚度(mm)90-1101.210-801.2100-1201.4Kb111-1301.431-601.5121-1501.8材料名称修正系数材料名称修正系数碳素钢1不锈钢1.4碳素工具钢1.2镁合金1.2淬火碳素钢1.3钛合金2.2投入批量批量修正系数薄壁件修正系数K11单件小批量1.6工件材料修正系数表K21大批大量生产0.8T批量(min)418.05T批量(h)6.97T基25.50T宽放2.55T工辅3T准结60铣削加工时间定额的制定T工步28.50N投数10T装卸1.5T单件35.81T作业30.00T批量418.05钻头直径d0(mm)80.00T装卸1.50进给量f(mm/r)0.25T作业30.00钻削速度V(m/min)20.00进给速度(mm/min)19.90T基（总计）25.50转速(r/min)79.62T辅(min)3.00T单件35.81选用转速n(r/min)80三面刃铣刀0.12-0.200.10-0.150.12-0.200.07-0.150.05-0.120.12-0.200.07-0.150.07-0.120.05-0.100.07-0.150.07-0.200.05-0.100.05-0.100.07-0.2铣床主轴转速(r/min)550550550500500硬质合金刀端铣刀0.2-0.40.2-0.350.15-0.50.15-0.40.12-0.250.15-0.50.15-0.40.10-0.30.08-0.20.123-0.40.10-0.300.08-0.200.06-0.150.15-0.38进给速度(mm/min)1616181820三面刃铣刀0.15-0.300.12-0.250.15-0.30.12-0.250.07-0.200.12-0.300.12-0.250.08-0.200.05-0.150.12-0.300.08-0.200.05-0.150.05-0.120.125-0.30500480480480450400300铣刀转速n(r/min)400202525303080100每分进给量Vf(mm)80齿全高h.基本作业时间T基4.253.402.02T基64.25T基合：25.50800.1250.46450.13140.16140.24140.423800.361050.132250.46550.56320.87321.51100.12350.38650.15180.19170.29170.54400.431250.112650.56600.68361.05361.791400.14450.32850.18220.23190.35190.65100.521400.093050.66700.8411.26412.151900.17550.271100.22280.27220.42220.7251.53.18
loading