螺丝基本标准.ppt

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1、第二章：螺絲牙紋及下孔標准第一節：螺絲牙紋的用途第二節：被鎖物(材料)下孔標准(指三角自攻牙)機械牙(ISO)一般用于與金屬板螺孔的配合(應：內孔一定要有螺紋)機械牙規格標准M/MMACHINESCREW2AQ(600)SIZE規格P牙距外徑(D)輾造徑(d)最大(MAX)最小(MIN)最大(MAX)最小(MIN)M20.41.9801.8901.701.672.30.42.2802.1902.001.972.60.452.5802.4802.262.233.00.52.9802.8702.632.603.50.63.4703.3603.063.034

2、.00.73.9783.8383.493.454.50.754.4704.3403.963.925.00.84.9764.8264.434.386.01.05.9705.8205.305.257.01.06.9706.8206.306.258.01.257.9607.7907.127.07自攻牙(TAP)單牙一般用于與金屬類、硬塑膠金屬(即鐵板、鋁板)(PIS)雙牙一般用于與塑膠件、樹脂類物件自攻單牙自攻雙牙自攻牙規格標准(第一種)TAPPINGSCREWM/MTYPEBSIZE規格牙數P(T)外徑(D)輾造徑(d)最大(MAX)最小(MIN)最大(M

3、AX)最小(MIN)M2402.01.901.701.652.3322.32.201.901.852.6282.62.502.152.103.0243.02.902.452.403.5203.53.402.852.804.0184.03.853.303.254.5164.54.353.603.555.0165.04.854.104.056.0146.05.855.055.008.0128.07.856.806.75自攻牙規格標准(第二種)TAPPINGSCREWM/MTYPEASIZE規格牙數P(T)外徑(D)輾造徑(d)最大(MAX)最小(MIN)最

4、大(MAX)最小(MIN)M2322.102.001.751.702.3322.402.302.001.952.6282.702.602.202.153.0243.103.002.452.403.5183.653.502.852.804.0164.154.003.303.254.5144.654.503.603.555.0125.205.003.953.906.0106.206.004.804.75898.208.006.456.40三角(機械三角牙)一般用于與金屬類(此類金屬較薄)機械三角牙(ETO)三角牙規格標准ETOSCREWM/MTYPESIZ

5、E規格P牙距外徑輾造徑(d)C徑D徑最大(MAX)最小(MIN)最大(MAX)最小(MIN)最大(MAX最小(MIN)M20.402.041.861.961.881.581.442.30.402.342.262.262.181.821.682.50.452.552.472.462.381.961.792.60.452.652.572.562.482.051.883.00.503.052.972.952.872.442.243.50.600.563.483.443.362.832.634.00.704.073.993.933.853.273.075.00

6、.805.085.004.924.844.173.876.01.006.106.005.905.804.974.448.01.288.138.037.887.786.436.04第二節：被鎖物(材料)下孔標准(指三角自攻牙)鐵板三角自攻機械三角自攻SIZE規格牙數P(T)外徑輾造徑(d)C徑D徑最大(MAX)最小(MIN)最大(MAX)最小(MIN)最大(MAX最小(MIN)M2402.041.961.961.881.461.262.3322.342.262.262.181.761.562.6282.542.562.552.471.941.743.0

7、243.052.952.952.882.252.053.5203.553.453.463.342.652.454.0184.053.953.913.813.002.805.0165.064.944.904.783.743.446.0146.085.925.885.724.524.128.0128.107.907.857.656.005.50鐵板單牙三角自攻鐵板螺絲又稱自攻螺絲是最符合理想的螺絲，不必使用螺母，縮短工作時間，不因振動而松動。表面經過硬化處理減少磨損可反復使用是最自動化、簡單化、合理化螺絲。鐵板雙牙三角自攻SIZE規格牙數P(T)外徑輾造徑

8、(d)C徑D徑最大(MAX)最小(MIN)最大(MAX)最小(MIN)最大(MAX最小(MIN