钢丝绳常用系数

1、钢丝绳常用数据钢丝绳最大许用拉力计算拉力计算公式：Sw P/K公式中S 钢丝绳允许用拉力(KN )P - 钢丝绳破断拉力(KN)K -钢丝绳的安全系数(2)钢丝绳安全系数:用途安全系数用途安全系数作缆风绳3.5作吊索无弯曲时6? 7用于手动起重4.5作捆绑吊索8? 10用于机械起重5? 6用于载人升降机14(3) 钢丝绳破断拉力1、6 X 19钢丝绳破断拉力直径钢丝绳的抗拉力强度钢丝绳钢丝14001550170018502000/mm/mm钢丝绳的破断拉力总和/KN6.20.420.0022.1024.3026.428.607.70.531.3034.6038.0041.3044.709.30

2、.645.1049.6054.7059.6064.4011.00.761.3067.9074.5081.1087.7012.50.880.1088.7097.30105.50114.5014.00.9101.00112.00123.00134.00144.5015.51.0125.00138.50152.00165.50178.5017.01.1151.50167.50184.00200.00216.5018.51.2180.00199.50219.00238.00257.5020.01.3211.50234.00257.00279.50302.0021.51.4245.50271.50298

3、.00324.00350.5023.01.5281.50312.00342.00372.00402.5024.51.6320.50355.00389.00423.50458.0026.01.7362.00400.50439.50478.00517.0028.01.8405.50499.00492.50536.00579.5031.02.0501.00554.50608.50662.00715.5034.02.2606.00671.00736.00801.00一37.02.4721.50798.50876.00953.50一40.02.6846.50937.501025.001115.00一2、

4、6X 37钢丝绳破断拉力直径钢丝绳的抗拉力强度钢丝绳钢丝14001550170018502000/mm/mm钢丝绳的破断拉力总和/KN8.70.439.0043.2047.3051.5055.7011.00.560.0067.5074.0080.6087.1013.00.687.8097.20106.50116.00125.0015.00.7119.50132.00145.00157.50170.5017.50.8156.00172.50189.50206.00223.0019.50.9197.50218.50239.50261.00282.0021.51.0243.50270.00296.0

5、0322.00348.5024.01.1295.00326.50358.00390.00421.5026.01.2351.00388.50426.50464.00501.5028.01.3412.00456.50500.50544.50589.0030.01.4478.00529.00580.50631.50683.0032.51.5548.50607.50666.50725.00784.0034.51.6624.50691.50758.00825.00892.0036.51.7705.00780.50856.00931.501005.0039.01.8790.00875.00959.5010

6、40.001125.0043.02.0975.501080.001185.001285.001390.0047.02.21180.001305.001430.001560.00一52.02.41405.001555.001705.001855.00一56.02.61645.001825.002000.002175.00一3、6X 61钢丝绳破断拉力直径钢丝绳的抗拉力强度钢丝绳钢丝14001550170018502000/mm/mm钢丝绳的破断拉力总和/KN11.00.464.3071.2078.1085.0091.9014.00.5100.50111.00122.00132.50143.501

7、6.50.6144.50160.00175.50191.00206.5019.50.7197.00218.00239.00260.00281.5022.00.8257.00285.00312.50340.00367.5025.00.9325.00360.00395.50430.50465.0027.51.0402.00445.00488.00531.50574.5030.51.1486.50538.00591.00643.00695.0033.01.2579.00641.00703.00765.00827.0036.01.3679.00752.50825.00898.00971.0038.51

8、.4788.00872.50957.001040.001125.0041.51.5905.001000.001095.001195.001290.0044.01.61025.001140.001250.001360.001470.0047.01.71160.001285.001410.001535.001660.0050.01.81300.001400.001580.001720.001860.0055.52.01605.001780.001950.002125.002295.0061.02.21945.002155.002360.002570.00一66.52.42315.002565.00

9、2810.003060.00一72.02.62715.003010.003300.003590.00一钢丝绳报废标准(1)、钢丝绳直径减少，当直径磨损不超过30%可允许降低拉力使用，如果超过30%要进行报废处理。(2)、钢丝绳经过长期使用后，由于受自然条件和化学腐蚀，当整个钢丝绳外表面受腐蚀的麻面，从外观检查明显时，则该钢丝绳已不能使用。另一方面，整根钢丝绳纤维芯被挤出，使钢丝绳结构受到破坏时，也不能继续使用。(3)、钢丝断丝后的报废标准，见下表钢丝绳的最初安全系数钢丝绳结构6X 19+16X 37+16X 61+1在一扣距全长中拉断钢丝绳根数交互捻同向捻交互捻同向捻交互捻同向捻6以下126221136186? 7147361338197以上16840154020破断拉力要根据钢丝绳公称抗拉强度(Mpa)。钢丝绳公称抗拉强度分为 1470 , 1570 , 1670 , 17701870Mpa,钢丝绳最小破断拉力1.1470，纤维芯钢丝绳439.00KN，钢芯钢丝绳474.00KN2.1570469.00507.003.1670498.00539.004.1770528.00571.005.1870558.006