1渐开线圆柱齿轮模数(GB1357─87)第一系列0.10.120.150.20.250.30.40.50.60.8第二系列0.350.70.9第一系列11.251.522.53第二系列1.752.252.75(3.25)3.5(3.75)第一系列45681012第二系列4.55.5(6.5)79(11)第一系列162025324050第二系列141822283645注:1.对于斜齿圆柱齿轮是指法向模数mn。2.优先选用第一系列,括号内的数值尽可能不用。原动机和工作机特性工况系数K原动机工作特性工作机工作特性均匀平稳轻微振动中等振动强烈振动均匀平稳1.001.251.501.75轻微振动1.101.351.601.85中等振动1.251.501.752.0强烈振动1.501.752.02.25注:对于增速传动,根据经验建议取上表值的1.1倍。原动机工作特性工作特性原动机均匀平稳电动机(例如直流电动机),均匀运转的蒸汽轮机,燃汽轮机(小的,起动力矩很小)轻微振动蒸汽轮机、燃汽轮机、液压马达、电动机(较大、经常出现较大的起动力矩)中等振动多缸内燃机强烈振动单缸内燃机工作机工作特性工作特性工作机均匀平稳发电机,均匀传送的带式运输机或板式运输机,螺旋运输机,轻型升降机,包装机,机床进给传动,通风机,轻型离心机,离心泵,轻质液态物质或均匀密度材料搅拌器,剪机、冲压机①,车床,行走机构②轻微振动不均匀传动(如包装件)的带式运输机或板式运输机,机床主传动,重型升降机,起重机旋转机构,工业和矿用通风机,重型离心分离器,离心泵,稠粘液体或变密度材料搅拌机,多缸活塞泵,给水泵,普通挤压机,压光机,转炉,轧机(连续锌条、铝条以及线材和棒料轧机)中等振动橡胶挤压力,橡胶和塑料搅拌机,球磨机(轻型),木工机械(锯片、木车床),钢坯初轧机③④,提升机构,单缸活塞泵强烈振动挖掘机,球磨机(重型),橡胶搓揉机,破碎机(石块、矿石),冶金机械,重型给水泵,旋转式钻机,压砖机,去皮机卷筒,落砂机,带材冷轧机③⑤,碾碎机注:①额定转矩=最大切削、压制、冲击转矩;②额定转矩=最大起动转矩;③额定转矩=最大轧制转矩;④用电流控制力矩限制器;⑤由于轧制带材经常开裂,可提高K至2.02平键和键槽的剖面尺寸(GB1095─79)轴径键键槽dbxh宽度深度半径r偏差轴毂b较松键联接一般键联接较紧键联接轴H9毂D10轴N9毂JS9轴和毂P9t偏差t1偏差最小最大6~82x22+0.0250+0.060+0.020-0.004-0.029±0.0125-0.006-0.0311.2+0.101+0.100.080.16>8~103x331.81.4>10~124x44+0.0300+0.076+0.0300-0.030±0.015-0.012-0.0422.51.8>12~175x553.02.30.160.25>17~226x663.52.8>22~308x78+0.0360+0.098+0.0400-0.036±0.018-0.015-0.0514.0+0.203.3+0.20>30~3810x8105.00.250.4>38~4412x812+0.0430+0.120+0.0500-0.043±0.0215-0.018-0.061>44~5014x9145.53.8>50~5816x10166.04.3>58~6518x11187.04.4>65~7520x12207.54.90.40.6>75~8522x1422+0.0520+0.149+0.0650-0.520±0.026-0.022-0.0749.05.4>85~9524x1424>95~11028x162810.06.4>110~13032x1832+0.0620+0.180+0.0800-0.062±0.031-0.026-0.08811.07.4>130~15036x203612.0+0.308.4+0.300.71.0>150~17040x224013.09.4>170~20045x254515.010.4>200~23050x285017.011.4>230~26056x3256+0.0740+0.220+0.1000-0.074±0.037-0.032-0.10620.012.41.21.6>260~29063x3263>290~33070x367022.014.4>330~38080x408025.015.42.02.5>380~44090x4590+0.0870+0.260+0.1200-0.087±0.0435-0.037-0.12428.017.4>440~500100x5010031.019.5注:1、在工作图中轴槽深用t或(d-t)标注,轮毂槽深用(d+t1)标注。2、(d-t)和(d+t1)的偏差按相应的t和t1的偏差选取,但(d-t)的偏差值应取负号。3、除轴伸外,在保证传递所需扭矩条件下,允许采用较小剖面的键。但t和t1的数值必要时应重新计算,使轴槽及轮毂槽与键的接触高度各为h/2。4、表中“较松键联接”的偏差值适用于导向平键的联接。5、平键轴槽的长度偏差用H14。6、轴槽及轮毂槽宽b对轴及轮毂轴心线的不对称度公差按7~9级(GB1184─80)选取。3螺母及标准1型六角螺母─C级(GB41─86)标记示例:螺纹规格D=12、性能等级为5级、不经表面处理、C级的1型六角螺母:螺母GB41─86─M121型六角螺母─A和B级(GB6170─86)六角薄螺母─A和B级─倒角(GB6172─86)标记示例:螺纹规格D=12、性能等级为10级、不经表面处理、A级的1型六角螺母:螺母GB6170─86─M12标记示例:螺纹规格D=12、性能等级为04级、不经表面处理、A级的六角薄螺母:螺母GB6172─86─M12六角薄螺母─B级─无倒角(GB6174─86)标记示例:螺纹规格D=6、性能等级为HV110、不经表面处理、B级的六角薄螺母:螺母GB6174─86─M64M64104.995513252.41053931CA、BBA、B注:1.A级用于D≤16的螺母;B级用于D>16的螺母(以后各表均相同)。2.GB41、GB6170,D≤36的为商品规格,D>36的为通用规格;GB6172的商品规格为M3~36,其余为通用规格;尽量不采用的规格除表列外还有(M33)、(M39)、(M45)、(M52)和(M60)3.GB41-86螺纹规格为M5~M64,GB6174螺纹规格为M1.6~M10M5693.685452845.91091671M4882.675332438.9744464M427265342134.9503306产品等级M3660.855311831.5317182表面处理:①不经处理②镀锌钝化M3050.94625.61526.4184.4105.5(M27)45.24123.813.524.7132.472.97M2439.63621.51222.388.847.92(M22)37.33419.41120.273.8540.43螺纹公差7H螺纹公差6HM203330181018.751.5527.76(M18)29.62715.8915.936.8720.56M1626.82414.8814.92915.26D≤39时为4、5;D>39时按协议不锈钢D≤39时为A-20;D>39时按协议(M14)23.42112.8713.918.8910.03M12201810.8612.211.96.56D<3时为6;D≥3~39时为6、8;D>39时按协议HV100minM1017.8168.459.57.944.64M814.4136.847.94.222.43M611105.23.26.11.951.15M58.884.72.75.61.050.58M47.773.22.2─0.580.39钢D≤39时为04、05;D>39时按协议M365.52.41.8─0.270.2M2.55.6521.6─0.20.15钢M24.341.61.2─0.090.07M1.63.43.21.31─0.050.03性能等级螺纹规格esGB6170-86GB6172-86GB6174-86GB41-86GB6170-86GB41-86GB6172-86GB6174-86GB41-86GB6170-86GB6174-86GB6172-86m每1000个的重量kg≈技术条件5凸面板式平焊钢制管法兰(GB9119─88)标记示例:公称通径100mm、公称压力0.6MPa的凸面板式平焊钢制管法兰:法兰100─6GB9119.6─88公称压力PN0.25MPa(GB9119.5─88)公称通径DN管子外径A联接尺寸密封面法兰厚度C法兰内径B法兰理论重量(kg)法兰外径D螺栓孔分度圆直径K螺栓孔径L螺栓数量n螺纹Tbdf100~600按GB9119.6─88PN0.6MPa的法兰尺寸公称压力PN0.6MPa(GB9119.6─88)10152017.221.326.9758090505565114M10333848212121418.022.027.50.310.350.5325324033.742.448.310012013075901001114144M10M12M12586978314161634.543.549.50.600.991.1750658060.376.188.91401601901101301501414184M12M12M1688108124316161861.577.590.51.281.612.60100125150114.3139.7168.321024026517020022518488M161441741993182020116.0141.5170.52.853.884.23200250300219.1273.0323.932037544028033539518182281212M16M16M20254309363334222424221.5276.5327.56.238.1510.53350400450355.6406.4457.049054059544549555022121618M204184635184262830359.5411.0462.015.2618.1222.64500600508.0610.0645755600705222620M20M24568667453236513.5616.526.5835.70公称压力PN1.0MPa(GB9119.7─88)10152017.221.326.99095105606575144M12414656214141618.022.027.50.530.590.8525324033.742.448.311514015085100110141818448M12M16M16657684316181834.543.549.50.961.591.8250658060.376.188.9165185200125145160188M169911813232061.577.590.52.433.483.95100125150114.3139.7168.322025028518021024018182281212M16M16M201561842113222224116.0141.5170.54.524.936.53200250300219.1273.0323.934039544529535040022161620M20266319370334242628221.5276.5327.58.5110.9213.30350400355.6406.4505565460515222620M20M2442948043032359.5411.020.2629.326凸面钢制管法兰盖(GB9123─88)标记示例:公称通径100mm、公称压力0.6MPa的凸面钢制管法兰盖:法兰100─6GB9123.7─88公称压力PN0.25MPa(GB9123.