机械加工工时定额时间标准(A3)

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1、机械加工工时定额时间标准机械工业定额改革小组说 明1、本标准是机械工业部机床行业机加工劳动定额时间标准的基础上，又进一步地进行了精简，它具有适用面广，查找迅速，使用方便等优点。本标准适用于单件、小批量生产。成批生产可用0.50.8的系数进行调整。2、查表方法：查表序号=D（序号）+L（序号）13、本标准时间单位：准终时间：（小时：分钟）装卸时间：（分钟）定额时间：（分钟） 目 录车床：车床装卸、车外圆、内孔时间-1 车床钻孔、切槽、中心孔、车蜗杆时间-2 车床准终、T型、三角螺纹时间-3磨床：磨T型、三角形螺纹时间-4 磨床装卸、磨外圆、端面时间-5 磨内孔、磨平面、磨花键时间-6铣床：立铣、

2、铣刨床装卸、准终时间-7 万能铣时间-8刨床：刨床时间-9钳工：钳工时间-10插、拉床：插、拉时间-11齿轮机床：插外、内齿、倒角机时间-12 滚齿时间-13 滚蜗轮、磨齿时间-14车 床 装 卸 工 件 时 间 标 准车 床 加 工 系 数序 号123456789101112131415车夹头K=0.5材料系数K刚度系数D354250607387105125150180216260312374449见光0.5易切钢0.9车外圆车内孔KL1001442073004306209001280185026603830调质1.1L15DL5D1.2装 卸 方 法仿形车0.6高碳合金1.2L20DL10

3、D1.3三爪0.50.60.70.911.21.51.82.12.63.13.74.55.36.4六角车床0.9工具钢1.3L30DL15D1.4三爪架子0.70.811.21.51.72.12.533.64.35.26.27.59C630 1.3渗碳后1.3四爪或较复杂2.12.533.64.45.26.37.59111316192227立车 238CrMoAe1.7精密四爪、复杂4.2567.38.710131518222631374554镗床切削余量三刀1.5钢铜铸件1.3加工粗糙毛坯（锻铸件）或较高光洁度，精度时按增加一刀查给车 床 时 间 标 准序号12345678910111213

4、1415161718192021222324252627282930D4048/3358/2869/2383100119143172206248297357428L3542506073871051251501802172603123744505396477779321118134216101932231927823339光洁度45时 间车外圆一刀1.21.21.31.41.41.51.61.71.922.22.52.83.13.644.75.46.37.49101214172024293441二刀1.41.51.61.71.822.22.42.733.544.65.36.17.28101214

5、16192328333947566780三刀1.61.71.922.22.52.83.23.64.14.75.56.47.4910121417202429344149587083100120车内孔一刀22.12.22.42.52.62.72.93.23.43.74.34.85.36.16.889.21113二刀2.42.62.72.93.13.43.74.14.65.166.87.89101214172024三刀2.72.93.23.43.74.34.85.46.1789.411131517202429345车外锥三刀6.26.46.877.488.69.4101112141618212327

6、313743车内锥三刀8.48.89.41011121314151719222529车床333743516171 车床钻孔、扩孔时间标准 扩孔K=0.8 铰孔K=1.5序 号123456789101112131415161718192021222324252627282930D54/103/152/20304560（7590110）L202429354150607286103124149178214257308370444532639767钻孔时间2.52.62.82.93.13.43.74.14.55.15.86.67.68.911131518212530374554668098119145

7、177切 槽切 断车端面一刀序 号12345678910111213141516D时 间D355073105150217312450302.51t234691218263753切空刀槽K=0.5403.31.2槽宽b时 间504.21.421.51.71.822.22.42.72.93.23.53.94.34.75.25.76.3655.51.751.822.22.42.72.93.23.53.94.34.75.25.76.36.97.6857.1282.22.42.72.93.23.53.94.34.75.25.76.36.97.68.3101109.32.5112.72.93.23.53.

8、94.34.75.25.76.36.97.68.3101112145123153.23.53.94.24.75.25.76.36.97.68.310111213.515190163.6245204.3300275.2车制模数蜗杆时间标准序 号1234567123456712345671234567D5050505050505050L204167100142194204167100142194204167100142194204167100142194 模数光洁度2345321.323.92730.93642.350.328.231.235.139.946.153.763.336.239.944

9、.951.25968.781.245.350.356.464.274.186.4102513.615.217.319.823.127.232.41820.122.826.130.335.742.521.824.227.331.43642.850.725.73033.438.444.452.262.1615.517.920.724.529.13542.319.422.125.73035.642.651.523.727.231.536.843.55162.9293338.344.953.363.977.1 模数光洁度6说明：1、车蜗杆头系数： 四个头数K=3.2 2、材料系数： 一个头数K=1 五

10、个头数K=4 调质后K=1.1 二个头数K=1.8 六个头数K=4.8 工具钢K=1.3 三个头数K=2.6 粗铣K=0.3355.762.170.180.392.9109129531.435.640847.355.465.978.8635.140.446.754.8657894.2车床一般车：0.3 螺母车：3.00 车蜗杆：2.00车锥度：1.00 丝杠精车：二级3.00 一级6.00 立车：2.00准终时间车螺纹：1.00 仿形车：2.00粗车T型螺纹时间标准 查表序号=D+L+T212345678910111213141516+1718192021说明：材料： 工具钢K=1.3D30/

11、4020/506585L10012014417320724929935843051661974389210701284154118492219266231953833T1286432时 间粗车（四级）1415161719202225283236414755647487103121143170二次粗车10111213141517192124273135414856657791107128精 车T型123456789101112131415161718192021D30/4020/506585L1001201441732072492993584305166197438921070128415411

12、8492219266231953833T121086542时 间四级10111213141517192124273135414856657791107128三级202122242628313539455057667790104122144169200238二级3538404348505563708090103118138160185218258303358425一级56606468768088100112128144164188220256296348412484572680车外三角螺纹时间标准12345678910111213141516说明：1、本标准为三级精度 二级精度K=1.52、内螺

13、纹K=1.73、不易出刀K=1.34、断续切削K=25、L200，刚度系数K=1.5D202429354250607286103L17202429354250607286103124T1.54.54.74.95.25.566.57.17.88.79.710.912.514.516.518.51/24.74.95.25.566.57.17.88.79.710.912.514.516.518.521.50.5/34.95.25.566.57.17.88.79.710.912.514.516.518.521.525.545.25.566.57.17.88.79.710.912.514.516.518

14、.521.525.530.555.566.57.17.88.79.710.912.514.516.518.521.525.530.535.5666.57.17.88.79.710.912.514.516.518.521.525.530.535.541.5磨T型螺纹时间标准说 明：序 号12345678910111213141516171819202122232425材料系数：中碳钢不淬火K=0.8淬火钢K=1工具钢调质K=1.3准终时间：磨三级2.00磨二级3.00磨一级6.00磨0级12.00T1210865432L25303643526275891071291551862232673213

15、854625566667999851150时 间 （分）无沟粗磨（三级）41455056637181941081261471732032402843374004765686778099661156有沟粗磨（三级）3235384146515764738496112130152178210248294349414493588701二级41455056637181941081261471732032402843374004765686778099661156一级626875849510712214116218922126030536042650660071485210161214144917340级

16、103113125140158178203235270315368433508600710843100011901420169320232415289000级164180200224252284324376432504588692812960113613481600190422722708323638644624磨三角外螺纹时间标准准终时间：2.00说 明：1、本标准精度为二级2、未淬火零件K=0.9 淬火零件K=13、氧化件K=1.3序 号1234567891011121314151617181920D2030315051100L1518212530354148566576881021181

17、37157M时 间 （分）1.519212326293337414753606978891021171331531752001/2212326293337414753606978891021171331531752002290.5/3232629333741475360697889102117133153175200229253磨蜗杆时间标准序 号123456789101112准终时间：3.00配活准终时间：10.00（配活时磨削时间加倍）一次磨=粗+精滚；二次磨=/2+精滚。磨蜗杆头数：一个头数：K=1二个头数：K=1.8三个头数：K=2.6四个头数：K=3.2五个头数：K=4六个头数：K=

18、4.8模数23456长度4048586983100119143时 间 （分）粗磨4044495561708092106123144169/2262225283135404653627285精滚三级131516182023273135414856精滚二级2426303437424855647486102精滚一级30333842475360698093108128精滚0级808898110122140160184212216288388磨 床 装 卸 工 件 时 间 标 准磨 床 系 数序 号123456789101112131415材料 机床D B354250607387105125150180

19、216260312374449HRC60 38CrMoAl1.2外圆磨按M120 M131WL1001442073004306209001280185026603830见光无严格要求0.5 M1432外磨内磨时 间 （分）磨丝杠K=0.7 M1350 K=0.8二顶尖装平面磨0.70.80.91.11.21.41.61.92.12.52.83.33.74.35磨锥度K=1.2 内磨用于M210 M131W心轴装中心架三爪1.41.61.82.22.42.83.23.84.255.66.67.48.610L2500mm K=1.3 M1432闷堵四爪2.12.42.73.33.64.24.85.

20、76.37.58.49.911.112.915磨薄壁套筒K=1.3 M215D K=1.3精度四爪4.24.85.46.67.28.49.611.412.61516.819.822.225.830配磨：按精密时间1.6 平面用于M712D M713D 磨 外 圆 时 间 标 准序 号1234567891011121314151617181920212223242526272829303132D3525/4520/6075100130170220285L354250607286104124149179215258310372446535642770924110913331159719172300

21、27603312时 间 （分）22.63.13.33.63.94.24.75.25.96.67.68.71012141619222631364352627388105125150179215/211.31.61.71.822.12.42.633.33.84.456789.5111315.51821.5263136.54452.562.57589.510861.51.82.22.32.32.42.52.62.72.833.23.43.744.555.66.37.18.19.41113151720242834404871.722.42.52.62.72.833.23.53.84.14.555.66

22、.47.38.39.61113151821252935414958698381.82.22.62.72.933.23.53.84.14.55.15.76.47.38.39.611131518212529354149597083100119922.42.93.13.33.53.84.24.65.25.86.57.58.59.9111316182225303643516072861031231471761033.644.44.85.46.178910121417202327323846546577921110111315171921252933394654647589106127151180215

23、257308368半精主要求达到101214161821242833384553627487104123147175210251300359429514616半精主要求达到10磨内端时零加2分钟（包括卸工件或更换刀杆）磨 端 面 时 间 标 准端面有尺寸要求时间2外 圆 磨 准 终 时 间序 号123456789101112131415161718192021222324磨一般外圆0.3直径D202429354150607285103124149178214257308磨外锥0.4宽度B5678101215182126313745536477磨丝杠（上中心架）0.4时 间 （分）超精滚外圆（7

24、11以上）2.0060.50.60.70.80.911.11.31.51.822.32.733.544.75.46.27.18.29.41112刚度系数L15D K=1.270.60.70.80.911.11.31.51.822.32.733.544.75.46.27.18.29.4111214 L20D K=1.380.70.80.911.11.31.51.822.32.733.544.75.46.27.18.29.411121416 L30D K=1.490.80.911.11.31.51.822.32.733.544.75.46.27.18.29.41112141619磨 内 孔 时 间

25、 标 准准终时间 刚度系数一般内1：30小时 L4D K=1.1磨锥孔2：00小时 L5D K=1.2大内孔磨4小时 L6D K=1.3配磨孔按9查给一次磨成=+精滚二次磨成=/2+精滚12345678910111213141516171819202122D35/4530/5426/6523/7820/9317/11215/13413/16111/19310/232L303540465260708090106121140161185212244281时 间 （分）131415161719212325273033374146525966758596110/26.577.588.59.511121

26、31415171921232630333843485561111111112121212131314141516171819202123252771212121313131414151516171819212325273033364081313141415151617181921232527229323639444955619151617181920212325273033364045505663718090102磨 平 面 时 间 标 准准终时间一般平面磨0.3上卡具1.00说 明：1、本表时间是磨削单时间2、批量很大，可放满工作台时，按最后一档的时间件数查给。123456789101112

27、131415161718192021整盘加工B203143567291112136164196L100123148178212252297349409477557648时 间 （分）2.93.13.33.53.73.94.24.54.95.35.86.47.17.88.79.711121416182462.52.52.62.72.82.93.13.23.43.63.84.14.44.85.25.76.36.97.68.59.41272.62.72.82.93.13.23.43.63.84.14.44.85.25.76.36.97.68.59.411121682.93.13.23.43.63.9

28、4.24.54.95.35.86.477.88.69.611121415172293.63.94.14.54.85.35.86.377.78.69.611121315171922252938花 键 磨 时 间 标 准说 明：1、磨花键底径，时间加倍2、底径尺寸公差0.02 K=1.3准终时间 2：00键数Z加 工 长 度32364045505763708090100110130140160180200230260290320360400450510570640时 间 （分）617.818.51919.820.621.522.523.724.926.427.929.731.733.836.539

29、.242.345.849.553.858.6824.325.326.127.428.629.931.43335.137.139.642.245.348.652.456.761.266.472.278.986.494.4104114.4126.4140153.6103132.433.635.136.738.640.843.145.748.651.955.559.164.369.575.281.688.896.8105.6116127.2140155.2171.2188.8209.6立 铣序 号1234567891011121314151617181920212223242526272829加工长

30、度10121417212530354352627489107128154185222266319383460552t宽 度铣平面5060708090100110120130140铣侧面202530354045505560铣油槽R5R3铣直槽5141210865433020141286543铣键槽14121086432时 间 （分）铣 面3441.781.861.91.9622.12.22.32.42.52.62.82.93.13.33.53.844.34.755.45.96.46.97.58.299.9513.33.43.53.63.73.83.944.24.44.54.855.25.55.8

31、6.16.56.97.47.98.59.19.810.511.412.4铣油槽2.62.72.82.93.23.33.53.844.44.755.55.96.577.78.49.210.11112.213.514.916.5铣 槽33.33.53.84.24.54.95.35.86.36.87.388.89.410111213141516.618202224262830铣 床、刨 床 装 卸 时 间 标 准 铣 半 圆 键 槽12345678910111213141516直径D 宽度B354250607387105125150180216260312宽 度3456810长度L100144207

32、30043062090012801850深 度3.56810.51214时 间 （分）简单装卡（平口钳三爪11.21.31.51.722.32.733.544.75.46.278时 间456789中等装卡22.42.633.444.65.46789.411121416高精度、复杂装卡44.85.266.889.2111214161922242832铣 T 型 槽、燕 尾 槽 时 间 标 准12345678910111213铣床准终时间（小时）材料系数T型b43630242016一般铁 30调质钢 K=1.1长 度L30364352627590101129155186223267上分度头挂轮 200工具钢 K=1.2燕 尾H510152025铣花键 300高速合金钢 K=1.2铣齿条 400 渗碳钢 K=1.3时 间10111213151618192124262932铣蜗杆 40038 CrMoAlA K=1.5较复杂 500万 能 铣序 号123456789101112131415161718192021222324252627282930加工长度10121417212530364352627489107128154165222266319383460552加 工 宽 度铣平面50607