《紧固件 钢丝螺套 第2部分：锥端普通型》

1注1：本文件使用的“螺纹公称直径”和“钢丝螺套规格”是指钢丝螺套旋入GB/T24425.5规定的内螺纹后，所注2：本文件规定的钢丝螺套安装时利用锥体与专用工具啮合将钢丝螺套旋入内螺纹，形成的内螺纹有下列文件中的内容通过文中的规范性引用而构成本文件必不可少的条款。其中,注日期的引用文24形式尺寸4.1钢丝螺套自由状态下的型式尺寸按图1和表1的规定。图1锥段普通型钢丝螺套钢丝螺套规格自由状态外径DZ小端尺寸DXminmaxminmaxM22.532.702.022.10M2.53.203.702.612.72M33.804.353.113.22M45.055.604.154.29M56.256.805.175.333表1尺寸（续）钢丝螺套规格自由状态外径DZ小端尺寸DXminmaxminmaxM67.407.956.226.41M78.589.207.227.41M89.8510.358.278.48M1012.1012.8010.3210.56M1214.5015.0012.3812.65M1416.8717.8714.4314.73M1618.8719.9016.4316.73M1821.4022.0018.5418.90M2023.4624.4020.5420.90M2225.6126.9022.5422.90M2428.1529.1024.6525.05M2731.1532.4027.6528.05M3034.7035.8130.7631.21M3337.7039.0133.7634.21M3641.3342.6736.8737.35M3944.3345.7539.8740.354.2钢丝螺套自由状态工作圈数为自由状态总圈数减去2圈非工作圈。4.3钢丝螺套安装后长度按自由状态整圈数进行计算和选择（见表2）。以螺纹公称直径的倍数表示的钢丝螺套公称长度Ln（自由状态）与自由状态工作圈数和安装后长度的对照见表A.1。4.4钢丝螺套旋入安装孔螺纹后的安装后长度L（见表2和表A.1）是从锥端平面减去两圈后至尾端平面的垂直距离。表2自由状态工作圈数N和安装后长度L4钢丝螺套规格自由状态工作圈数N±1/4圈456789202122安装后长度L（参考）/mmM22.0962.5392.9833.4273.8714.3154.7595.2035.6476.0916.5356.9787.4227.8668.3108.7549.1989.64210.086M2.52.4392.9593.4783.9984.5185.0385.5576.0776.5977.1167.6368.1568.6769.1959.71510.23510.75511.27411.794M32.7013.2773.8524.4285.0035.5786.1546.7297.3047.8808.4559.0309.60610.18110.75711.33211.90712.48313.058M43.6944.4775.2616.0446.8287.6118.3959.1789.96210.74511.52812.31213.09513.87914.66215.44616.22917.01317.796M54.1995.0895.9796.8697.7598.6499.53910.42911.31812.20813.09813.98814.87815.76816.65817.54818.43719.32720.217M65.1356.2187.3028.3869.46910.55311.63712.72013.80414.88815.97117.05518.13919.22220.30621.38922.47323.55724.640M75.2176.3217.4258.5309.63410.73811.84212.94714.05115.15516.25917.36418.46819.57220.67621.78122.88523.98925.093M86.3867.7329.07910.42511.77213.11814.46515.81117.15818.50419.85121.19722.54423.89025.23726.58327.93029.27630.622M107.5089.08510.66212.23913.81615.39216.96918.54620.12321.70023.27724.85426.43128.00829.58531.16232.73934.31635.893M128.78110.62612.47114.31616.16118.00719.85221.69723.54225.38727.23229.07830.92332.76834.61336.45838.30340.14941.994M1410.14412.28014.41716.55318.68920.82522.96125.09727.23329.36931.50533.64135.77837.91440.05042.18644.32246.45848.594M1610.14212.27714.41316.54818.68320.81922.95425.09027.22529.36131.49633.63135.76737.90240.03842.17344.30946.44448.579M1812.45115.06417.67620.28922.90225.51528.12730.74033.35335.96638.57841.19143.80446.41749.02951.64254.25556.86759.480M2012.55715.19617.83520.47423.11325.75228.39131.03133.67036.30938.94841.58744.22646.86549.50552.14454.78357.42260.061M2212.68615.35718.02820.70023.37126.04228.71431.38534.05736.72839.39942.07144.74247.41450.08552.75655.42858.09960.771M2414.97118.11421.25724.40027.54330.68633.82936.97140.11443.25746.40049.54352.68655.82958.97162.11465.25768.40071.543M2715.11518.29421.47324.65127.83031.00934.18837.36740.54543.72446.90350.08253.26056.43959.61862.79765.97669.15472.333M3017.51121.18924.86728.54432.22235.90039.57843.25646.93350.61154.28957.96761.64465.32269.00072.67876.35680.03383.711M3317.43221.09024.74828.40632.06435.72239.38043.03946.69750.35554.01357.67161.32964.98768.64572.30375.96179.61983.277M3619.85724.02128.18532.34936.51340.67744.84149.00653.17057.33461.49865.66269.82673.99078.15582.31986.48390.64794.8115表2自由状态工作圈数N和安装后长度L（续）钢丝螺套规格自由状态工作圈数N±1/4圈456789202122安装后长度L（参考）/mmM3919.97424.16728.36032.55436.74740.94145.13449.32753.52157.71461.90866.10170.29474.48878.68182.8758