GB/T 3478.3-1995 圆柱直齿渐开线花键 37.5°压力角 尺寸表

621.886.fi

UJD1C8

中华人民共和国国家标准

cB/T3478.1一3478.9-1995

圆柱直齿渐开线花键

Straightcylindricalinvolutesplines

1995一07门2发布1996一05一01实施

国家技术监督局发布

中华人民共和国国家标准

圆柱直齿渐开线花键

GB/T3478.3-1995

37.50压力角尺寸表

Straightcylindricalinvolutesplines-

37.50pressureangledimensionstables

本标准参照采用ISO4156-1981((圆柱直齿渐开线花键一米制模数一齿侧配合一总论、尺寸和检

验》标准的第二部分“尺寸”。

主肠内容与适用范围

本标准规定了标准压力角为37.50圆齿根(以下简称37.5圆“齿根)的圆柱直齿渐开线花键所需的

全部花键尺寸。

本标准适用于GB/T3478.1标准中规定的压力角为37.50,模数为0.5至10mm、齿侧配合的渐开

线花键。

本尺寸表是按GB/T3478.1表3计算公式和齿侧配合为H小、并采用基本检验方法编制的。

2引用标准

GB/T3478.1圆柱直齿渐开线花键模数基本齿廓公差

GB1800公差与配合总论标准公差与基本偏差

3尺寸表

3.I‘37.50圆齿根，模数为。.5至10mm，公差等级为4,5,6和7级的花键尺寸表，见表1至表28,

-3nj

一内花键小径及的极限偏差和外花键大径D。的公差，见GB/T3478.1表254

3.︺口内花键大径D。和外花键小径几的‘公差，从GB180。的标准公差IT12,IT13或IT14中选取。

3月﹃用展成法加工内、外花键时，齿根圆弧半径是变化的，本标准给出的是齿根圆弧最小曲率半径，见

3478.1表26,

G3.B5/T当选择的检验方法不为基本方法时，其作用齿槽宽最大值、实际齿槽宽最小值、作用齿厚最小值和

实际齿厚最大值按下式计算:

作用齿槽宽最大值E、二=Em。二一l;

实际齿槽宽最小值E-=Evoa+.I;

作用齿厚最小值Svmin=Sm,+A;

实际齿厚最大值Sm.二二Svw，一.I,

3.6当花键齿侧配合类别不为H/h时，尺寸表中外花键的尺寸应按下式计算:

作用齿厚最大值Sv二·=S+esv;

实际齿厚最小值S=Svm.二一(T+1),

式中:esv—作用齿厚的上偏差，见GB/T3478.1表23;

(T+A)—总公差，见GB/T3478.1表8至表21,

国家技术监督局1995一07-12批准1996一05一01实施

GB/T3478.3一1995

外花键大径和小径的上偏差见GB/T3478.1表24,

3.7本尺寸表中外花键渐开线起始圆直径最大值DF,.的数值是按齿条形刀具加工原理推导的公式

计算的。

当花键齿侧配合类别不为H/h时，D-可根据GB/T3478.1表3中的公式计算。

，表137.5。内花键

模数二=。5作用齿槽宽最小值Evmi.=0.785mm

分度圆大径渐开线终实际齿槽宽最大值

齿傲基圆直径小径齿数

直径D,;止圆直径E~=E细。+(T+几)

ZD,D;Z

D圆齿根Dr二。4H5H6H7H

105.003.96685.705.554.610.8100.8240.8460.88310

115.504.36346.206.055.100.8100.8250.8470.88411

126.004.76016.706.555.600.8100.8250.8480.88512

136.505.15687.207.056.090.8100.8260.8480.88613

147.005.55357.707.556.590.8110.8260.8490.88714

157.505.95028.208.057.090.8110.8260.8490.88715

.

168.006.34688.708.557.580.8110.8270.8500.88816

178.506.74359.209.058.080.8110.8270.8500.88917

189.007.14029.709.558.580.8110.8270.8510.89018

199.507.536910.2010.059.080.8120.8270.8510.89019

2010.007.933510.7010.559.580.8120.8280.8510.89120

2110.508.330211.2011.0510.080.8120.8280.8520.89221

2211.008.726911.7011.5510.570.8120.8280.8520.89222

2311.509.123612.2012.0511.070.8120.8280.8530.89323

2412.009.5202-12.7012.5511.570.8120.8290.8530.89424

2512.509.916913.2013.0512.070.8130.8290.8530.89425

2613.0010.313613.7013.5512.570.8130.8290.8540.89526

2713.5010.710314.2014.0513.070.8130.8290.8540.89527

2814.0011.106914.7014.5513.570.8130.8300.8540.89628

2914.5011.503615.2015.0514.07b.8130.8300.8550.89629

3015.0011.900315.7015.5514.570.8130.8300.8550.89730

3115.5012.297016.2016.0515.070.8130.8300.8550.89731

3216.0012.693716.7016.5515.570.8140.8300.8560.89832

3316.5013.090317.2017.0516.070.8140.8310.8560.89833

3417.0013.487017.7017.5516.570.8140.8310.8560.89934

3517.5013.883718.2018.0517.070.8140.8310.8570.89935

3618.0014.280418.7018.5517.560.8140.8310.8570.90036

37.18.5014.677019.2019.0518.060.8140.8310.8570.90037

3819.0015.073719.7019.5518.560.8140.8320.8570.90138

3919.5015.470420.2020.0519.060.8140.8320.8580.90139

4020.0015.867120.7020.5519.560.8140.8320.8580.90240

4120.5016.263721.2021.0520.060.8150.8320.8580.90241

4221.0016.660421.7021.5520.560.8150.8320.8590.90242

4321.5017.057122.2022.0521.060.8150.8320.8590.90343

4422.0017.453822.7022.5521.560.8150.8330.8590.90344

4522.5017.850523.2023.0522.060.8150.8330.8590.90445

4623.0018.247123.7023.5522.560.8150.8330.8600.90446

4723.5018.643824.2024.0523.060.8150.8330.8600.90447

4824.0019.040524.7024.5523.560.8150.8330.8600.90548

4924.5019.437225.2025.0524.060.8150.8330.8600.90549

5025.0019.833825.7025.5524.560.8150.8330.8600.90650

126

GB/T3478.3一1995

续表1nlnl

分度圆大径渐开线终实际齿槽宽最大值

齿数基圆直径小径齿数

直径D.止圆直径Em.,=E-。十(T+x)

ZD,以广艺

D圆齿根刀沪认，4H5H6H7H

5125.5020.230526.2026.0525.060.8160.8340.8610.90651

5226.0020.627226.7026.5525.560.8160.8340.8610.90652

5326.5021.023927.2027.0526.060.8160.8340.8610.90753

5427.0021.420527.7027.5526.560.8160.8340.8610.90754

5527.5021.817228.2028.0527.060.8160.8340.8620.90755

5628.0022.213928.7028.5527.560.8160.8340.8620.90856

5728.5022.610629.2029.0528.060.8160.8340.8620.90857

5829.0023.007229.7029.5528.560.8160.8350.8620.90858

5929.5023.403930.2030.0529.060.8160.8350.8620.90959

6030.0023.800630.7030.5529.560.8160.8350.8630.90960

6130.5024.197331.2031.0530.060.8160.8350.8630.90961

6231.0024.594031.7031.5530.560.8160.8350.8630.91062

6331.5024.990632.2032.0531.060.8170.8350.8630.91063

6432.0025.387332.7032.5531.560.8170.8350.8630.91064

6532.5025.784033.2033.0532.060.8170.8350.8640.91165

6633.0026.180733.7033.5532.560.8170.8360.8640.91166

6733.5026.577334.2034.0533.0608工70.8360.8640.91167

6834.0026.974034.7034.5533.560.8170.8360.8640.91268

6934.5027.370735.2035.0534.060.8170.8360.8640.91269

7035.0027.767435.7035.5534.560.8170.8360.8650.91270

7135.5028.164036.2036.0535.060.8170.8360.8650.91271

7236.0028.560736.7036.5535.560.8170.8360.8650.91372

7336.5028.957437.2037.0536.060.8170.8360.8650.91373

7437.0029.354137.7037.5536.560.8170.8370.8650.91374

7537.5029.750838.2038.0537.060.8170.8370.8660.91475

7638.0030.147438.7038.5537.560.8180.8370.8660.91476

7738.5030.544139.2039.0538.060.8180.8370.8660.91477

7839.0030.940839.7039.5538.560.8180.8370.8660.91478

7939.5031.337540.2040.0539.060.8180.8370.8660.91579

8040.0031.734140.7040.5539.560.8180.8370.8660.91580

8140.5032.130841.2041.0540.060.8180.8370.8670.9158l

8241.0032.527541.7041.5540.560.8180.8370.8670.91682

8341.5032.924242.2042.0541.060.8180.8380.8670.91683

8442.0033.320842.7042.5541.560.8180.8380.8670.91684

8542.5033.717543.2043.0642.060.8180.8380.8670.91685

8643.0034.114243.7043.5542.560.8180.8380.8670.91786

8743.5034.510944.2044.0543.060.8180.8380.8680.91787

8844.0034.907544.7044.5543.560.8180.8380.8680.91788

8944.5035.304245.2045.0544.060.8180.8380.8680.91789

9045.0035.700945.7045.5544.560.8180.8380.8680.91890

9145.5036.097646.2046.0545.060.8190.8380.8680、91891

9246.0036.494346.7046.5545.560.8190.8390.8680，91892

9346.5036.890947.2047.0546.060.8190.8390.8690.91893

9447.0037.287647.7047.5546.560.8190.8390.869091994

9547.5037.684348.2048.0547.060.8190.8390.8690‘91995

9648.0038.081048.5547.560.8190.8390.8690.91996

9748.5038.477649.0.548.060.8190.8390.8690.91997

9849.0038.874349.5548.560.8190.8390.8690.92098

9949.5039.271050.0549.060.8190.8390.8690‘92099

10050.0039.667750.5549.560.8190.8390.8700920100

一

127

cs/T3478.3一1995

表237.5。内花键

模数，=0.75作用齿槽宽最小值Ev-=1.178

分度圆大径渐开线终实际齿槽宽最大值

伪散基圆直径小径Em.,=E-:十(T+.l)齿数

直径D。止圆直径

ZDeD.,Z

D圈齿根DA..4H5H6H7H

107.505.95028.558.326.911.2061.2231.2481.29010

118.256.54529.309.077.651.2061.2231.2491.29111

129.007.140210.059.828.401.2071.2241.2491.29212

139.757.735210.8010.579.141.2071.2241.2501.29313

1410.508.330211.5511.329.881.2071.2251.2511.29414

1511.258.925212.3012.0710.631.2071.2251.2511.29515

1612.009.520213.0512.8211.381.2081.2251.2521.29616

1712.7510.115313.8013.5712.121.2081.2261.2521.29717

1813.5010.710314.5514.3212.871.2081.2261.2531.29818

1914.2511.305315.3015.0713.621.2081.2261.2531.29819

2015.0011.900316.0515.8214.371.2081.2271.2541.29920

2115.7512.495316.80-16.5715.111.2091.2271.2541.30021

2216.5013.090317.5517.3215.861.2091.2271.2551.30122

2317.2513.685318.3018.0716.611.2091.2271.2551.30123

2418.0014.280419.0518.8217.361.2091.2281.2561.30224

2518.7514.875419.8019.5718.111.2091.2281.2561.30325

2619.5015.470420.5520.3218.861.2091.2281.2561.30426

2720.2516.065421.3021.0719.601.2101.2291.2571.30427

2821.0016.660422.0521:8220.351.2101.2291.2571.30528

2921.7517.255422.8022.5721.101.2101.2291.2581.30529

3022.5017.850523.5523.3221.851.2101.2291.2581.30630

3123.2518.445524.3024.0722.601.2101.2291.2581.30731

3224.0019.040525.0524.8223.351.2101.2301.2591.30732

3324.7519.635525.8025.5724.101.2111.2301.2591.30833

3425.5020.230526.5526.3224.851.2111.2301.2591.30834

3526.2520.825527.3027.0725.601.2111.2301.2601.30935

3627.0021.420528.0527.8226.351.2111.2312.2601.30936

3727.7522.015628.8028.5727.101.2111.2311.2601.31037

3828.5022.610629.5529.3227.851.2111.2311.2611.31038

3929.2523.205630.3030.0728.601.2111.2311.2611.31139

4030.0023.800631.0530.8229.341.2111.2311.2611.31140

4130.7524.395631.8031.5730.091.2121.2321.2621.31241

4231.5024.990632.5532.3230.841.2121.2321.2621.31242

4332.2525.585633.3033.0731.591.2121.2321.2621.31343

4433.0026.180734.0533.8232.341.2121.2321.2631.31344

4533.7526.775734.8034.5733.091.2121.2321.2631.31445

4634.5027.370735.5535.3233.841.2121.2331.2631.31446

4735.2527.965736.3036.0734.591.2121.2331.2631.31547

4836.0028.560737.0536.8235.341.2121.2331.2641.31548

4936.7529.155737.8037.5736.091.2121.2331.2641.31649

5037.5029.750838.5538.3236.841.2131.2331.2641.3165Q

5138.2530.345839.3039.0737.591.2131.2331.2651.31651

5239.0030.940多40.0539.8238.341.2131.2341.2651.31752

5339.7531.535840.8040.5739.091.2131.2341.2651.31753

5440.5032.130841.5541.3239.841.2131.2341.2651.31854

5541.2532.725842.3042.0740.591.2131.2341.2661.31855

128

cs/T3478.3一1995

续表2们11们

分度圆大径渐开线终实际齿槽宽最大值

齿数基圆直径小径#tz

直径D,;止圆直径E二=EF二。+(T+肋

ZDaD,Z

D圆齿根D-4H5H6H7H

5642.0033.320843.0542.8241.341.2131.2341.2661.31856

5742.7533.915943.8043.5742.091.2131.2341.2661.31957

5843.5034.510944.5544.3242.841.2131.2351.2661.31958

5944.2535.105945.3045.0743.591.2131.2351.2671.3205g

6045.0035.700946.0545.8244.341.2141.2351.2671.32060

6145.7536.295946.8046.5745.091.2141.2351.2671.32061

6246.5036.890947.5547.3245.841.2141.2351.2671.32162

6347.2537.485948.3048.0746.591.2141.2351.2681.32163

6448.0038.081049.0548.8247.341.2141.2351.2681.32264

6548.7538.676049.8049.5748.091.2141.2361.2681.32265

6649.5039.271050.5550.3248.841.2141.2361.2681.32266

6750.2539.866051.3051.0749.591.2141.2361.2681.32367

6851.0040.461052.0551.8250.341.2141.2361.2691.32368

6951.7541.056052.8052.5751.091.2141.2361.2691.32369

7052.5041.651153.5553.3251.841.2151.2361.2691.32470

7153.2542.246154.3054.0752.591.2151.2361.2691.32471

7254.0042.841155.0554.8253.341.2151.2371.2701.32472

7354.7543.436155.8055.5754.091.2151.2371.2701.32573

7455.5044.031156.5556.3254.841.2151.2371.2701.32574

7556.2544.626157.3057.0755.591.2151.2371.2701.32575

7657.0045.221158.0557.8256.341.2151.2371.2701.32676

7757.7545.816258.8058.5757.091.2151.2371.2711.32677

7858.5046.411259.5559.3257.841.2151.2371.2711.32678

7959.2547.006260.3060.0758.581.2151.2381.2711.32779

8060.0047.601261.0560.8259.331.21