制图测绘指导书附录

1、附录：有关国家标准1、常用标准结构附表1.1 回转面及端面砂轮越程槽的形式及尺寸（摘自GB640386）单位：mmb10.61.01.62.03.04.05.08.010b22.03.04.0 5.08.010H0.10.20.30.40.60.81.2R0.20.50.81.01.62.03.0d-10>1050>50100>100附表1.2 与直径d或D相应的倒角C、倒角R的推荐值（摘自GB6403.486）单位：mmd或D3>36>610>1018>1830>3050>5080>80120>120180C或R0.20.40

2、.60.81.01.62.02.53.0d或D>180250>250320>320400>400500>500630>630800>8001000>10001250>12501600C或R4.05.06.08.01012162025附表1.3 普通螺纹收尾、肩距、退刀槽、倒角单位：mm螺距P粗牙螺纹大径d外 螺 纹内 螺 纹螺纹收尾l肩距a退 刀 槽倒角e螺纹收尾l肩距a退 刀 槽brd3brd30.20.50.60.5P0.20.41.20.5P0.251，1.20.60.750.750.51.50.31.40.750.90.90.30.

3、61.80.351.6，1.80.91.051.05d-0.60.72.20.4211.21.2d-0.70.40.82.50.452.2，2.51.11.351.35d-0.70.92.82d+0.30.531.251.51.5d-0.80.5130.63.51.51.81.8d-11.23.20.741.752.12.1d-1.10.61.43.530.754.51.92.252.25d-1.21.53.80.8522.42.4d-1.30.81.6416，72.533d-1.61254d+0.51.2583.243.75d-21.22.5651.5103.84.54.5d-2.31.53

4、761.75124.35.35.25d-2.623.597214，16566d-341082.518，20，226.37.57.5d-3.62.551210324，277.599d-4.4614123.530，33910.510.5d-5371614436，39101212d-5.7818164.542，451113.513.5d-6.4492118548，5212.51515d-71023205.556，601416.517.5d-7.75112522664，68151818d-8.3122824说明：本表只列入l、a、b、l1、a1、b1的一般值：长的、短的、和窄的数值未列入。肩距a（a1

5、）是螺纹收尾了l（l1）加螺纹空白的总长。外螺纹倒角和退刀槽过渡角一般按45°，也可按60°或30° ，当螺纹按60°或30° 倒角时，倒角深度约等于螺纹深度。内螺纹倒角一般使120°锥角，也可以是90°锥角。细牙螺纹按本表螺距P选用。附表1.4 普通螺纹的直径与螺距（GB19381）单位：mm 公称直径d、D螺距P公称直径d、D螺距P第一系列第二系列第三系列粗牙细 牙第一系列第二系列第三系列粗牙细 牙30.50.35726,4,3,2,1.5,(1)3.5(0.6)75(4)(3),2,1.540.70.5766,4,3,

6、2,1.5,(1)4.5(0.75)(78)250.8806,4,3,2,1.5,(1)5.5(82)26710.75,(0.5)90856,4,3,2,(1.5)81.251,0.75,(0.5)100959(1.25)110105101.51.25,1,0.75,(0.5)12511511(1.75)1,0.75,(0.5)120121.751.5,1.25,1,(0.75),(0.5)1301351421.5,(1.25),1,(0.75),(0.5)140150145151.5(1)1556,4,3,(2)1621.5,1,(0.75),(0.5)160170165171.5(1)18

7、017520182.52,1.5,1,1,(0.75),(0.5)190185222001952432,1.5,1,1,(0.75)2056,4,3252,1.5,(1)210215(26)1.52202252732,1.5,1,(0.75)230(28)2,1.5,1240235303.5(3),2,1.5,1,(0.75)250245(32)2,1.52556,4,(3)333.5(3),2,1.5,(1),(0.75)26026535(1.5)2703643,2,1.5,(1)275(38)1.52802853943,2,1.5,(1)29040(3),(2),1.53002954245

8、4.5(4)3,2,1.5,(1)3106,448532033050(3),(2),1.5340350525(4)3,2,1.5,(1)36037055(4),3,2,1.5400380390565.5(4)3,2,1.5,(1)420410658(4),(3),2,1.544043060(5.5)4,3,2,1.5,(1)45046047062(4),(3),2,1.54804906464,3,2,1.5,(1)50052051065(4),(3),2,1.55505405306864,3,2,1.5,(1)56057070(6),(4),(3),2,1.5600580590注：优先选用第一

9、系列，其次是第二系列，第三系列尽可能不用。M14X1.25仅用于火花塞，M35X1.5仅用于滚动轴承锁紧螺母。括号内的螺距应尽可能不用。附表1.5 普通螺纹的基本尺寸（GB19681） D2=D 2×H；d2=d - 2×H D1=D 2×H；d1=d - 2×H H=P=0.866025404P 公称直径D、d螺距P中径D2或d2小径D1或d1公称直径D、d螺距P中径D2或d2小径D1或d110.250.8380.7299（1.25）8.1887.6470.20.8700.78318.3507.9171.10.250.9380.8290.758.513

10、8.1880.20.9700.8830.58.6758.4591.20.251.0380.929101.59.0268.3760.21.0700.9831.259.1888.6471.40.31.2051.07519.3508.9170.21.2701.1830.759.5139.1881.60.351.3731.221（0.5）9.6759.4590.21.4701.3831.80.351.5731.42111（1.5）10.0269.3760.21.6701.583110.3509.91720.41.7401.5670.7510.51310.1880.251.8381.7290.510.6

11、7510.4592.20.451.9081.713121.7510.86310.1060.252.0381.9291.511.02610.3762.50.452.2082.0131.2511.18810.6470.352.2732.121111.35010.91730.52.6752.459（0.75）11.51311.1880.352.7732.621（0.5）11.67511.4593.5（0.6）3.1102.85014212.70111.8350.353.2733.1211.513.02612.37640.73.5453.242（1.25）13.18812.6470.53.6753.4

12、59113.35012.9174.5（0.75）4.0133.688（0.75）13.51313.1880.54.1753.9590.513.67513.45950.84.4804.134151.514.02613.3760.54.6754.459（1）14.35013.91750.55.1754.95916214.70113.835615.3504.9171.515.02614.3760.755.5135.188115.35014.917（0.5）5.6755.459（0.75）15.51315.188716.3505.917（0.5）15.67515.4590.756.5136.18817

13、1.516.02615.3760.56.6756.459（1）16.35015.91781.257.1886.647182.516.37615.29417.3506.917216.70115.8350.757.5137.1881.517.02616.3760.57.6757.454117.35016.917续公称直径D、d螺距P中径D2或d2小径D1或d1公称直径D、d螺距P中径D2或d2小径D1或d118（0.75）17.51317.18836433.40231.670（0.5）17.67517.459334.05132.752202.518.37617.294234.70133.83521

14、8.70117.8351.535.02634.3761.519.02618.376（1）35.35034.917119.35018.917381.537.02636.376（0.75）19.51319.18839436.40234.670（0.5）19.67519.459337.05135.752222.520.37619.294237.70136.835220.70119.8351.538.02637.3761.521.02620.376（1）38.35037.917121.35020.91740（3）38.05137.752（0.75）21.51321.188（2）37.70136.835

15、（0.5）21.67521.4591.539.02638.37624322.05120.752424.539.07737.129222.70121.835（4）39.40237.6701.523.02622.376340.05138.752123.35022.917240.70139.835（0.75）23.51323.1881.541.02640.37625223.70122.835（1）41.35040.9171.524.02623.376454.542.07740.129（1）24.35023.917（4）42.40240.670261.525.02624.376343.05141.75

16、227325.05123.752243.70142.835225.70124.8351.544.02643.3761.526.02625.376（1）44.35043.917126.35025.91748544.75242.587（0.75）26.51326.188（4）45.40243.67028226.70125.835346.05144.7521.527.02626.376246.70145.835127.35026.9171.547.02646.376303.527.72726.211（1）47.35046.917（3）28.05126.75250（3）48.05146.752228.70127.835（2）48.70147.8351.529.02628.3761.549.02648.376129.35028.91752548.75246.587（0.75）29.51329.188（4）49.40247.67032230.70129.835350.05148.7521.531.02630.376250.70149.835333.530.72729.2111.551.02650.376（3）31.05129.752（1）51.35050