螺牙尺寸計(jì)算表

1、螺牙尺寸計(jì)算表D (d)公稱直徑EI內(nèi)螺牙直徑下偏差Do (min)外螺牙大徑最小值D1 (d1) =D (d) -2*5/8H=D (d) -1.0825PTd (6) 180*P (2/3) -3.15*SQRT (P)D2 (d2)基本中徑s外螺牙直徑上偏差Di (max)內(nèi)螺牙小徑最大值D2 (d2) =D (d) -2*3/8H=D (d) -0.6495PTd1 (6) (0.2P0.8) =433*P-190*P 1.22D1 (d)基本小徑Td1內(nèi)螺牙小徑公差Di (min)內(nèi)螺牙小徑最小值EI (G) =+ (15+11P) *0.001Td (6) (P1) =230*P

2、0.7P螺距Td外螺牙大徑公差P+電鍍?cè)隽縠s (g) =- (15+11P) *0.001H原始三角形高度DO (max)外螺牙大徑最大值O-O氧化減量Td (6) =180*P (2/3) -3.15*SQRT (P)增量設(shè)定電鍍?cè)隽?(雙邊)0.1氧化增量 (雙邊)0.06公差與配合設(shè)定6g/6G依據(jù)國標(biāo)GB/T 196-2003，GB/T 197-2003版本：V0尺寸計(jì)算表注：1、此表為管件生產(chǎn)中檢驗(yàn)、坯件來料檢驗(yàn)時(shí)使用，如果坯件不需電鍍與氧化，或已完成表面處理的零件，則查表A類螺牙，如果坯件需做電鍍，則查表B類螺牙，如果坯件需做氧化，則查表C類螺牙2、外螺牙大徑的上下差查表Do (

3、max) 、Do (min) 項(xiàng)， 內(nèi)螺牙小徑的上下差查表Di (max) 、Di (min) 項(xiàng)。DPD1D2EI(G)es(g)Td(6)Td1(6) 0.2P0.Td1(6) P1A類螺牙 (開牙后無表面處理)B類螺牙 (開牙后電鍍)C類螺牙 (開牙后氧化)Do(max)Do(min)Di(min)Di(max)P+Do(max)Do(min)Di(min)Di(max)O-ODo(max)Do(min)Di(min)Di(m20.251.7301.8380.01780.017750.0700.0730.0871.9821.9121.7471.8200.1001.8821.8121.84

4、71.9200.0602.0421.9721.6871.720.41.5671.7400.01940.01940.0960.1110.1211.9811.8851.5871.6980.1001.8811.7851.6871.7980.0602.0411.9451.5271.62.50.352.1212.2730.01890.018850.0880.0990.1102.4812.3942.1402.2390.1002.3812.2942.2402.3390.0602.5412.4542.0802.12.50.452.0132.2080.020.019950.1040.1230.1322.4802

5、.3762.0332.1560.1002.3802.2762.1332.2560.0602.5402.4361.9732.05.20.34.8755.0050.01830.01830.0790.0860.0995.1825.1034.8944.9800.1005.0825.0034.9945.0800.0605.2425.1634.8344.930.52.4592.6750.02050.02050.1110.1350.1422.9802.8682.4802.6140.1002.8802.7682.5802.7140.0603.0402.9282.4202.540.73.2433.5450.02

6、270.02270.1390.1800.1793.9773.8383.2653.4450.1003.8773.7383.3653.5450.0604.0373.8983.2053.340.53.4593.6750.02050.02050.1110.1350.1423.9803.8683.4803.6140.1003.8803.7683.5803.7140.0604.0403.9283.4203.520.51.518.87719.5260.03150.03150.2320.3380.30520.46920.23618.90919.2140.10020.36920.13619.00919.3140

7、.06020.52920.29618.84919.50.54.4594.6750.02050.02050.1110.1350.1424.9804.8684.4804.6140.1004.8804.7684.5804.7140.0605.0404.9284.4204.5614.9185.3510.0260.0260.1770.2430.2305.9745.7974.9445.1740.1005.8745.6975.0445.2740.0606.0345.8574.8845.160.755.1895.5130.02330.023250.1460.1910.1885.9775.8315.2125.4

8、030.1005.8775.7315.3125.5030.0606.0375.8915.1525.360.55.4595.6750.02050.02050.1110.1350.1425.9805.8685.4805.6140.1005.8805.7685.5805.7140.0606.0405.9285.4205.5715.9186.3510.0260.0260.1770.2430.2306.9746.7975.9446.1740.1006.8746.6976.0446.2740.0607.0346.8575.8846.170.756.1896.5130.02330.023250.1460.1

9、910.1886.9776.8316.2126.4030.1006.8776.7316.3126.5030.0607.0376.8916.1526.370.56.4596.6750.02050.02050.1110.1350.1426.9806.8686.4806.6140.1006.8806.7686.5806.7140.0607.0406.9286.4206.581.256.6487.1880.02880.028750.2050.2920.2697.9717.7666.6766.9450.1007.8717.6666.7767.0450.0608.0317.8266.6166.8816.9

10、187.3510.0260.0260.1770.2430.2307.9747.7976.9447.1740.1007.8747.6977.0447.2740.0608.0347.8576.8847.180.757.1897.5130.02330.023250.1460.1910.1887.9777.8317.2127.4030.1007.8777.7317.3127.5030.0608.0377.8917.1527.380.57.4597.6750.02050.02050.1110.1350.1427.9807.8687.4807.6140.1007.8807.7687.5807.7140.0

11、608.0407.9287.4207.591.257.6488.1880.02880.028750.2050.2920.2698.9718.7667.6767.9450.1008.8718.6667.7768.0450.0609.0318.8267.6167.8917.9188.3510.0260.0260.1770.2430.2308.9748.7977.9448.1740.1008.8748.6978.0448.2740.0609.0348.8577.8848.190.758.1898.5130.02330.023250.1460.1910.1888.9778.8318.2128.4030

12、.1008.8778.7318.3128.5030.0609.0378.8918.1528.390.58.4598.6750.02050.02050.1110.1350.1428.9808.8688.4808.6140.1008.8808.7688.5808.7140.0609.0408.9288.4208.51.58.3779.0260.03150.03150.2320.3380.3059.9699.7368.4098.7140.1009.8699.6368.5098.8140.06010.0299.7968.3498.61.258.6489.1880.02880.028750.2050.2

13、920.2699.9719.7668.6768.9450.1009.8719.6668.7769.0450.06010.0319.8268.6168.8螺牙尺寸計(jì)算表D (d)公稱直徑EI內(nèi)螺牙直徑下偏差Do (min)外螺牙大徑最小值D1 (d1) =D (d) -2*5/8H=D (d) -1.0825PTd (6) 180*P (2/3) -3.15*SQRT (P)D2 (d2)基本中徑s外螺牙直徑上偏差Di (max)內(nèi)螺牙小徑最大值D2 (d2) =D (d) -2*3/8H=D (d) -0.6495PTd1 (6) (0.2P0.8) =433*P-190*P 1.22D1 (

14、d)基本小徑Td1內(nèi)螺牙小徑公差Di (min)內(nèi)螺牙小徑最小值EI (G) =+ (15+11P) *0.001Td (6) (P1) =230*P 0.7P螺距Td外螺牙大徑公差P+電鍍?cè)隽縠s (g) =- (15+11P) *0.001H原始三角形高度DO (max)外螺牙大徑最大值O-O氧化減量Td (6) =180*P (2/3) -3.15*SQRT (P)增量設(shè)定電鍍?cè)隽?(雙邊)0.1氧化增量 (雙邊)0.06公差與配合設(shè)定6g/6G依據(jù)國標(biāo)GB/T 196-2003，GB/T 197-2003版本：V0尺寸計(jì)算表注：1、此表為管件生產(chǎn)中檢驗(yàn)、坯件來料檢驗(yàn)時(shí)使用，如果坯件不需

15、電鍍與氧化，或已完成表面處理的零件，則查表A類螺牙，如果坯件需做電鍍，則查表B類螺牙，如果坯件需做氧化，則查表C類螺牙2、外螺牙大徑的上下差查表Do (max) 、Do (min) 項(xiàng)， 內(nèi)螺牙小徑的上下差查表Di (max) 、Di (min) 項(xiàng)。DPD1D2EI(G)es(g)Td(6)Td1(6) 0.2P0.Td1(6) P1A類螺牙 (開牙后無表面處理)B類螺牙 (開牙后電鍍)C類螺牙 (開牙后氧化)Do(max)Do(min)Di(min)Di(max)P+Do(max)Do(min)Di(min)Di(max)O-ODo(max)Do(min)Di(min)Di(m18.918

16、9.3510.0260.0260.1770.2430.2309.9749.7978.9449.1740.1009.8749.6979.0449.2740.06010.0349.8578.8849.10.759.1899.5130.02330.023250.1460.1910.1889.9779.8319.2129.4030.1009.8779.7319.3129.5030.06010.0379.8919.1529.30.59.4599.6750.02050.02050.1110.1350.1429.9809.8689.4809.6140.1009.8809.7689.5809.7140.060

17、10.0409.9289.4209.51.59.37710.0260.03150.03150.2320.3380.30510.96910.7369.4099.7140.10010.86910.6369.5099.8140.06011.02910.7969.3499.619.91810.3510.0260.0260.1770.2430.23010.97410.7979.94410.1740.10010.87410.69710.04410.2740.06011.03410.8759.88410.10.7510.18910.5130.02330.023250.1460.1910.18810.9771

18、0.83110.21210.4030.10010.87710.73110.31210.5030.06011.03710.89110.15210.31.7510.10710.8630.03430.034250.2570.3820.34011.96611.70910.14110.4810.10011.86611.60910.24110.5810.06012.02611.76910.08110.41.510.37711.0260.03150.03150.2320.3380.30511.96911.73610.40910.7140.10011.86911.63610.50910.8140.06012.

19、02911.79610.34910.61.2510.64811.1880.02880.028750.2050.2920.26911.97111.76610.67610.9450.10011.87111.66610.77611.0450.06012.03111.82610.61610.8110.91811.3510.0260.0260.1770.2430.23011.97411.79710.94411.1740.10011.87411.69711.04411.2740.06012.03411.85710.88411.10.7511.18911.5130.02330.023250.1460.191

20、0.18811.97711.83111.21211.4030.10011.87711.73111.31211.5030.06012.03711.89111.15211.3210.83611.7010.0370.0370.2810.4230.37412.96312.68210.87311.2470.10012.86312.58210.97311.3470.06013.02312.74210.81311.11.511.37712.0260.03150.03150.2320.3380.30512.96912.73611.40911.7140.10012.86912.63611.50911.8140.

21、06013.02912.79611.34911.6111.91812.3510.0260.0260.1770.2430.23012.97412.79711.94412.1740.10012.87412.69712.04412.2740.06013.03412.85711.88412.10.7512.18912.5130.02330.023250.1460.1910.18812.97712.83112.21212.4030.10012.87712.73112.31212.5030.06013.03712.89112.15212.3211.83612.7010.0370.0370.2810.423

22、0.37413.96313.68211.87312.2470.10013.86313.58211.97312.3470.06014.02313.74211.81312.11.512.37713.0260.03150.03150.2320.3380.30513.96913.73612.40912.7140.10013.86913.63612.50912.8140.06014.02913.79612.34912.6112.91813.3510.0260.0260.1770.2430.23013.97413.79712.94413.1740.10013.87413.69713.04413.2740.

23、06014.03413.85712.88413.10.7513.18913.5130.02330.023250.1460.1910.18813.97713.83113.21213.4030.10013.87713.73113.31213.5030.06014.03713.89113.15213.3212.83613.7010.0370.0370.2810.4230.37414.96314.68212.87313.2470.10014.86314.58212.97313.3470.06015.02314.74212.81313.11.513.37714.0260.03150.03150.2320

24、.3380.30514.96914.73613.40913.7140.10014.86914.63613.50913.8140.06015.02914.79613.34913.6113.91814.3510.0260.0260.1770.2430.23014.97414.79713.94414.1740.10014.87414.69714.04414.2740.06015.03414.85713.84414.10.7514.18914.5130.02330.023250.1460.1910.18814.97714.83114.21214.4030.10014.87714.73114.31214

25、.5030.06015.03714.89114.15214.3213.83614.7010.0370.0370.2810.4230.37415.96315.68213.87314.2470.10015.86315.58213.97314.3470.06016.02315.74213.81314.11.514.37715.0260.03150.03150.2320.3380.30515.96915.73614.40914.7140.10015.86915.63614.50914.8140.06016.02915.79614.34914.6114.91815.3510.0260.0260.1770

26、.2430.23015.97415.79714.94415.1740.10015.87415.69715.04415.2740.06016.03415.87514.88415.1螺牙尺寸計(jì)算表D (d)公稱直徑EI內(nèi)螺牙直徑下偏差Do (min)外螺牙大徑最小值D1 (d1) =D (d) -2*5/8H=D (d) -1.0825PTd (6) 180*P (2/3) -3.15*SQRT (P)D2 (d2)基本中徑s外螺牙直徑上偏差Di (max)內(nèi)螺牙小徑最大值D2 (d2) =D (d) -2*3/8H=D (d) -0.6495PTd1 (6) (0.2P0.8) =433*P-1

27、90*P 1.22D1 (d)基本小徑Td1內(nèi)螺牙小徑公差Di (min)內(nèi)螺牙小徑最小值EI (G) =+ (15+11P) *0.001Td (6) (P1) =230*P 0.7P螺距Td外螺牙大徑公差P+電鍍?cè)隽縠s (g) =- (15+11P) *0.001H原始三角形高度DO (max)外螺牙大徑最大值O-O氧化減量Td (6) =180*P (2/3) -3.15*SQRT (P)增量設(shè)定電鍍?cè)隽?(雙邊)0.1氧化增量 (雙邊)0.06公差與配合設(shè)定6g/6G依據(jù)國標(biāo)GB/T 196-2003，GB/T 197-2003版本：V0尺寸計(jì)算表注：1、此表為管件生產(chǎn)中檢驗(yàn)、坯件來

28、料檢驗(yàn)時(shí)使用，如果坯件不需電鍍與氧化，或已完成表面處理的零件，則查表A類螺牙，如果坯件需做電鍍，則查表B類螺牙，如果坯件需做氧化，則查表C類螺牙2、外螺牙大徑的上下差查表Do (max) 、Do (min) 項(xiàng)， 內(nèi)螺牙小徑的上下差查表Di (max) 、Di (min) 項(xiàng)。DPD1D2EI(G)es(g)Td(6)Td1(6) 0.2P0.Td1(6) P1A類螺牙 (開牙后無表面處理)B類螺牙 (開牙后電鍍)C類螺牙 (開牙后氧化)Do(max)Do(min)Di(min)Di(max)P+Do(max)Do(min)Di(min)Di(max)O-ODo(max)Do(min)Di(m

29、in)Di(m214.83615.7010.0370.0370.2810.4230.37416.96316.68214.87315.2470.10016.86316.58214.97315.3470.06017.02316.74214.81315.11.515.37716.0260.03150.03150.2320.3380.30516.96916.73615.40915.1740.10016.86916.63615.50915.8140.06017.02916.79615.34915.6115.91816.3510.0260.0260.1770.2430.23016.97416.79715.

30、94416.1740.10016.87416.69716.04416.2740.06017.03416.85715.88416.1215.83616.7010.0370.0370.2810.4230.37417.96317.68215.87316.2470.10017.86317.58215.97316.3470.06018.02317.74215.81316.11.516.37717.0260.03150.03150.2320.3380.30517.96917.73616.40916.7140.10017.86917.63616.50916.8140.06018.02917.79616.34

31、916.6116.91817.3510.0260.0260.1770.2430.23017.94717.79716.94417.1740.10017.87417.69717.04417.2740.06018.03417.85716.88417.1216.83617.7010.0370.0370.2810.4230.37418.96318.68216.87317.2470.10018.86318.58216.97317.3470.06019.02318.74216.81317.11.517.37718.0260.03150.03150.2320.3380.30518.96918.73617.40

32、917.7140.10018.86918.63617.50917.8140.06019.02918.79617.34917.6117.91818.3510.0260.0260.1770.2430.23018.97418.79717.94418.1740.10018.87418.69718.04418.2740.06019.03418.85717.88418.120217.83618.7010.0370.0370.2810.4230.37419.96319.68217.87318.2470.10019.86319.58217.97318.3470.06020.02319.74217.81318.

33、1201.518.37719.0260.03150.03150.2320.3380.30519.96919.73618.40918.7140.10019.86919.63618.50918.8140.06020.02919.79618.34918.620118.91819.3510.0260.0260.1770.2430.23019.97419.79718.94419.1740.10019.87419.69719.04419.2740.06020.03419.85718.88419.121218.83619.7010.0370.0370.2810.4230.37420.96320.68218.

34、87319.2470.10020.86320.58218.97319.3470.06021.02320.74218.81319.1211.519.37720.0260.03150.03150.2320.3380.30520.96920.73619.40919.7140.10020.86920.63619.50919.8140.06021.02920.79619.34919.621119.91820.3510.0260.0260.1770.2430.23020.97420.79719.94420.1740.10020.87420.69720.04420.2740.06021.03420.8571

35、9.84420.122219.83620.7010.0370.0370.2810.4230.37421.96321.68219.87320.2470.10021.86321.58219.97320.3470.06022.02321.74219.81320.1221.520.37721.0260.03150.03150.2320.3380.30521.96921.73620.40920.7140.10021.86921.63620.50920.8140.06022.02921.79620.34920.622120.91821.3510.0260.0260.1770.2430.23021.9472

36、1.79720.94421.1740.10021.87421.69721.04421.2740.06022.03421.85720.88421.123220.83621.7010.0370.0370.2810.4230.37422.96322.68220.87321.2470.10022.86322.58220.97321.3470.06023.02322.74220.81321.1231.521.37722.0260.03150.03150.2320.3380.30522.96922.73621.40921.7140.10022.86922.63621.50921.8140.06023.02

37、922.79621.34921.623121.91822.3510.0260.0260.1770.2430.23022.97422.79721.94422.1740.10022.87422.69722.04422.2740.06023.03422.85721.88422.124221.83622.7010.0370.0370.2810.4230.37423.96323.68221.87322.2470.10023.86323.58221.97322.3470.06024.02323.74221.81322.1241.522.37723.0260.03150.03150.2320.3380.30

38、523.96923.73622.40922.7140.10023.86923.63622.50922.8140.06024.02923.79622.34922.624122.91823.3510.0260.0260.1770.2430.23023.97423.79722.94423.1740.10023.87423.69723.04423.2740.06024.03423.85722.88423.125222.83623.7010.0370.0370.2810.4230.37424.96324.68222.87323.2470.10024.86324.58222.97323.3470.0602

39、5.02324.74222.81323.1251.523.37724.0260.03150.03150.2320.3380.30524.96924.73623.40923.7140.10024.86924.63623.50923.8140.06025.02924.79623.34923.6螺牙尺寸計(jì)算表D (d)公稱直徑EI內(nèi)螺牙直徑下偏差Do (min)外螺牙大徑最小值D1 (d1) =D (d) -2*5/8H=D (d) -1.0825PTd (6) 180*P (2/3) -3.15*SQRT (P)D2 (d2)基本中徑s外螺牙直徑上偏差Di (max)內(nèi)螺牙小徑最大值D2 (d2)

40、 =D (d) -2*3/8H=D (d) -0.6495PTd1 (6) (0.2P0.8) =433*P-190*P 1.22D1 (d)基本小徑Td1內(nèi)螺牙小徑公差Di (min)內(nèi)螺牙小徑最小值EI (G) =+ (15+11P) *0.001Td (6) (P1) =230*P 0.7P螺距Td外螺牙大徑公差P+電鍍?cè)隽縠s (g) =- (15+11P) *0.001H原始三角形高度DO (max)外螺牙大徑最大值O-O氧化減量Td (6) =180*P (2/3) -3.15*SQRT (P)增量設(shè)定電鍍?cè)隽?(雙邊)0.1氧化增量 (雙邊)0.06公差與配合設(shè)定6g/6G依據(jù)國

41、標(biāo)GB/T 196-2003，GB/T 197-2003版本：V0尺寸計(jì)算表注：1、此表為管件生產(chǎn)中檢驗(yàn)、坯件來料檢驗(yàn)時(shí)使用，如果坯件不需電鍍與氧化，或已完成表面處理的零件，則查表A類螺牙，如果坯件需做電鍍，則查表B類螺牙，如果坯件需做氧化，則查表C類螺牙2、外螺牙大徑的上下差查表Do (max) 、Do (min) 項(xiàng)， 內(nèi)螺牙小徑的上下差查表Di (max) 、Di (min) 項(xiàng)。DPD1D2EI(G)es(g)Td(6)Td1(6) 0.2P0.Td1(6) P1A類螺牙 (開牙后無表面處理)B類螺牙 (開牙后電鍍)C類螺牙 (開牙后氧化)Do(max)Do(min)Di(min)Di

42、(max)P+Do(max)Do(min)Di(min)Di(max)O-ODo(max)Do(min)Di(min)Di(m25123.91824.3510.0260.0260.1770.2430.23024.97424.79723.94424.1740.10024.87424.69724.04424.2740.06025.03424.85723.88424.126223.83624.7010.0370.0370.2810.4230.37425.96325.68223.87324.2470.10025.86325.58223.97324.3470.06026.02325.74223.8132

43、4.1261.524.37725.0260.03150.03150.2320.3380.30525.96925.73624.40924.7140.10025.86925.63624.50924.8140.06026.02925.79624.34924.626124.91825.3510.0260.0260.1770.2430.23025.97425.79724.94425.1740.10025.87425.69725.04425.2740.06026.03425.87524.88425.127224.83625.7010.0370.0370.2810.4230.37426.96326.6822

44、4.87325.2470.10026.86326.58224.97325.3470.06027.02326.74224.81325.1271.525.37726.0260.03150.03150.2320.3380.30526.96926.73625.40925.7140.10026.86926.63625.50925.8140.06027.02926.79625.34925.627125.91826.3510.0260.0260.1770.2430.23026.97426.79725.94426.1740.10026.87426.69726.04426.2740.06027.03426.85

45、725.88426.128225.83626.7010.0370.0370.2810.4230.37427.96327.68225.87326.2470.10027.86327.58225.97326.3470.06028.02327.74225.81326.1281.526.37727.0260.03150.03150.2320.3380.30527.96927.73626.40926.7140.10027.86927.63626.50926.8140.06028.02927.79626.34926.628126.91827.3510.0260.0260.1770.2430.23027.97

46、427.79726.94427.1740.10027.87427.69727.04427.2740.06028.03427.85726.88427.129226.83627.7010.0370.0370.2810.4230.37428.96328.68226.87327.2470.10028.86328.58226.97327.3470.06029.02328.74226.81327.1291.527.37728.0260.03150.03150.2320.3380.30528.96928.73627.40927.7140.10028.86928.63627.50927.8140.06029.

47、02928.79627.34927.629127.91828.3510.0260.0260.1770.2430.23028.97428.79727.94428.1740.10028.87428.69728.04428.2740.06029.03428.87527.84428.1302.527.29528.3760.04250.04250.3270.5010.43729.95829.63127.33827.7740.10029.85829.53127.43827.8740.06030.01829.69127.27827.730227.83628.7010.0370.0370.2810.4230.

48、37429.96329.68227.87328.2470.10029.86329.58227.97328.3470.06030.02329.74227.81328.1301.528.37729.0260.03150.03150.2320.3380.30529.96929.73628.40928.7140.10029.86929.63628.50928.8140.06030.02929.79628.34928.630128.91829.3510.0260.260.1770.2430.23029.97429.79728.94429.1740.10029.87429.69729.04429.2740

49、.06030.03429.85728.88429.1312.528.29529.3760.04250.04250.3270.5010.43730.95830.63128.33828.7740.10030.85830.53128.43828.8740.06031.01830.69128.27828.731228.83629.7010.0370.0370.2810.4230.37430.96330.68228.87329.2470.10030.86330.58228.97329.3470.06031.02330.74228.81329.1311.529.37730.0260.03150.03150

50、.2320.3380.30530.96930.73629.40929.7140.10030.86930.63629.50929.8140.06031.02930.79629.34929.631129.91830.3510.0260.0260.1770.2430.23030.97430.79729.94430.1740.10030.87430.69730.04430.2740.06031.03430.85729.88430.1322.529.29530.3760.04250.04250.3270.5010.43731.95831.63129.33829.7740.10031.85831.5312

51、9.43829.8740.06032.01831.69129.27829.732229.83630.7010.0370.0370.2810.4230.37431.96331.68229.87330.2470.10031.86331.58229.97330.3470.06032.02331.74229.81330.1321.530.37731.0260.03150.03150.2320.3380.30531.96931.73630.40930.7140.10031.86931.63630.50930.8140.06032.02931.79630.34930.632130.91831.3510.0

52、260.0260.1770.2430.23031.97431.79730.94431.1740.10031.87431.69731.04431.2740.06032.03431.85730.88431.1332.530.29531.3760.04250.04250.3270.5010.43732.95832.63130.33830.7740.10032.85832.53130.43830.8740.06033.01832.69130.27830.7螺牙尺寸計(jì)算表D (d)公稱直徑EI內(nèi)螺牙直徑下偏差Do (min)外螺牙大徑最小值D1 (d1) =D (d) -2*5/8H=D (d) -1.

53、0825PTd (6) 180*P (2/3) -3.15*SQRT (P)D2 (d2)基本中徑s外螺牙直徑上偏差Di (max)內(nèi)螺牙小徑最大值D2 (d2) =D (d) -2*3/8H=D (d) -0.6495PTd1 (6) (0.2P0.8) =433*P-190*P 1.22D1 (d)基本小徑Td1內(nèi)螺牙小徑公差Di (min)內(nèi)螺牙小徑最小值EI (G) =+ (15+11P) *0.001Td (6) (P1) =230*P 0.7P螺距Td外螺牙大徑公差P+電鍍?cè)隽縠s (g) =- (15+11P) *0.001H原始三角形高度DO (max)外螺牙大徑最大值O-O氧

54、化減量Td (6) =180*P (2/3) -3.15*SQRT (P)增量設(shè)定電鍍?cè)隽?(雙邊)0.1氧化增量 (雙邊)0.06公差與配合設(shè)定6g/6G依據(jù)國標(biāo)GB/T 196-2003，GB/T 197-2003版本：V0尺寸計(jì)算表注：1、此表為管件生產(chǎn)中檢驗(yàn)、坯件來料檢驗(yàn)時(shí)使用，如果坯件不需電鍍與氧化，或已完成表面處理的零件，則查表A類螺牙，如果坯件需做電鍍，則查表B類螺牙，如果坯件需做氧化，則查表C類螺牙2、外螺牙大徑的上下差查表Do (max) 、Do (min) 項(xiàng)， 內(nèi)螺牙小徑的上下差查表Di (max) 、Di (min) 項(xiàng)。DPD1D2EI(G)es(g)Td(6)Td1

55、(6) 0.2P0.Td1(6) P1A類螺牙 (開牙后無表面處理)B類螺牙 (開牙后電鍍)C類螺牙 (開牙后氧化)Do(max)Do(min)Di(min)Di(max)P+Do(max)Do(min)Di(min)Di(max)O-ODo(max)Do(min)Di(min)Di(m33230.83631.7010.0370.0370.2810.4230.37432.96332.68230.87331.2470.10032.86332.58230.97331.3470.06033.02332.74230.81331.1331.531.37732.0260.03150.03150.2320.

56、3380.30532.96932.73631.40931.7140.10032.86932.63631.50931.8140.06033.02932.79631.34931.633131.91832.3510.0260.0260.1770.2430.23032.94732.79731.94432.1740.10032.87432.69732.04432.2740.06033.03432.85732.88432.1342.531.29532.3760.04250.04250.3270.5010.43733.95833.63131.33831.7740.10033.85833.53131.4383

57、1.8740.06034.01833.69131.27831.734231.83632.7010.0370.0370.2810.4230.37433.96333.68231.87332.2470.10033.86333.58231.97332.3470.06034.02333.74231.81332.1341.532.37733.0260.03150.03150.2320.3380.30533.96933.73632.40932.7140.10033.86933.63632.50932.8140.06034.02933.79632.34932.634132.91833.3510.0260.02

58、60.1770.2430.23033.97433.79732.94433.1740.10033.87433.69733.04433.2740.06034.03433.85732.88433.1352.532.29533.3760.04250.04250.3270.5010.43734.95834.63132.33832.7740.10034.85834.53132.43832.8740.06035.01834.69132.27832.735232.83633.7010.0370.0370.2810.4230.37434.96334.68232.87333.2470.10034.86334.58

59、232.97333.3470.06035.02334.74232.81333.1351.533.37734.0260.03150.03150.2320.3380.30534.96934.73633.40933.7140.10034.86934.63633.50933.8140.06035.02934.79633.34933.635133.91834.3510.0260.0260.1770.2430.23034.97434.79733.94434.1740.10034.87434.69734.04434.2740.06035.03434.85733.88434.136332.75434.0520

60、.0480.0480.3690.5730.49635.95235.58332.80233.2980.10035.85235.48332.90233.3980.06036.01235.64332.74233.2362.533.29534.3760.04250.04250.3270.5010.43735.95835.63133.33833.7740.10035.85835.53133.43833.8740.06036.01835.69133.27833.736233.83634.7010.0370.0370.2810.4230.37435.96335.68233.87334.2470.10035.