铣工工时定额核算表 (2).xls

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1、常用材料铣削速度推荐表V(米/分）加工材料硬度硬质合金刀具高速钢刀具220801502140低、中碳钢2252906011515363004254075936220601301836高碳钢22532553105142432537536489123004253545610220551201535合金钢22529040801024300425306059每齿进给量（mm/齿）S转/Z=S分/ZN(S分铣刀每分钟进给量、mm/分；Z为铣刀齿数；N铣刀转速、转/分）每转进给量S转（mm/转）S齿*Z铣削速度V(米/分）3.14*D*N/1000(式中D为铣刀外径（mm);N为铣刀转速（转/分）铣刀转速

2、N（转/分）1000*V/3.14*D注注：实实际际工工作作中中，一一般般先先确确定定铣铣削削速速度度，再再按按公公式式算算出出转转速速。S分分进进给给量量Z铣铣刀刀齿齿数数N铣铣刀刀转转速速S齿齿(每每齿齿进进给给量量）47.521900.12500.1250S齿齿Z铣铣刀刀齿齿数数N铣铣刀刀转转速速S分分进进给给量量0.125219047.547.5S齿齿Z铣铣刀刀齿齿数数S转转进进给给量量0.062540.250.25常常量量D铣铣刀刀外外径径常常用用值值N铣铣刀刀转转速速3.14281000190常常量量D铣铣刀刀外外径径常常用用值值铣铣削削速速度度（米米/分分）3.144010001

3、8.84常常量量N铣铣刀刀转转速速常常用用值值铣铣削削速速度度（米米/分分）3.14150100018.84例题：加工长度加工余量切屑深度铣刀转速刀径48020819050T基基T辅辅T准准T服服N工工件件数数量量707014143.53.54.94.91.001.00进给量（毫米/齿）铣刀直径类型 铣削深度（mm)356进给量（毫米/齿）16立铣刀0.080.050.060.0520立铣刀0.10.050.070.0425立铣刀0.120.070.090.050.080.0436立铣刀0.160.100.120.070.100.0540立铣刀0.20.120.140.080.060.0450

4、立铣刀0.20.120.150.100.130.0863锯片铣刀0.0130.0080.0250.01580锯片铣刀0.030.015100锯片铣刀125200锯片铣刀D=V*1000/3.14*N铣铣削削速速度度（米米/分分）16.7016.70N铣铣刀刀转转速速（转转/分分）150150D铣铣刀刀外外径径（mm）4040进给量走刀数单单件件加加工工工工时时47.52.569.73684211工工时时每齿进给量（mm/齿）S转/Z=S分/ZN(S分铣刀每分钟进给量、mm/分；Z为铣刀齿数；N铣刀转速、转/分）铣削速度V(米/分）3.14*D*N/1000(式中D为铣刀外径（mm);N为铣刀转速（转/分）铣刀转速N（转/分）1000*V/3.14*D注注：实实际际工工作作中中，一一般般先先确确定定铣铣削削速速度度，再再按按公公式式算算出出转转速速。92928101215202530500.080.050.100.070.0220.012 0.020.010.0270.012 0.0250.01 0.0220.010.030.02