钢丝绳常用系数.doc

钢丝绳常用数据一、 钢丝绳最大许用拉力计算（1）拉力计算公式：SP/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67用于手动起重4.5作捆绑吊索810用于机械起重56用于载人升降机14（3）钢丝绳破断拉力1、 619钢丝绳破断拉力直 径钢丝绳的抗拉力强度钢丝绳/mm钢丝/mm14001550170018502000钢丝绳的破断拉力总和/KN6.20.420.0022.1024.3026.428.607.70.531.3034.6038.0041.3044.709.30.645.1049.6054.7059.6064.4011.00.761.3067.9074.5081.1087.7012.50.880.1088.7097.30105.50114.5014.00.9101.00112.00123.00134.00144.5015.51.0125.00138.50152.00165.50178.5017.01.1151.50167.50184.00200.00216.5018.51.2180.00199.50219.00238.00257.5020.01.3211.50234.00257.00279.50302.0021.51.4245.50271.50298.00324.00350.5023.01.5281.50312.00342.00372.00402.5024.51.6320.50355.00389.00423.50458.0026.01.7362.00400.50439.50478.00517.0028.01.8405.50499.00492.50536.00579.5031.02.0501.00554.50608.50662.00715.5034.02.2606.00671.00736.00801.0037.02.4721.50798.50876.00953.5040.02.6846.50937.501025.001115.002、637钢丝绳破断拉力直 径钢丝绳的抗拉力强度钢丝绳/mm钢丝/mm14001550170018502000钢丝绳的破断拉力总和/KN8.70.439.0043.2047.3051.5055.7011.00.560.0067.5074.0080.6087.1013.00.687.8097.20106.50116.00125.0015.00.7119.50132.00145.00157.50170.5017.50.8156.00172.50189.50206.00223.0019.50.9197.50218.50239.50261.00282.0021.51.0243.50270.00296.00322.00348.5024.01.1295.00326.50358.00390.00421.5026.01.2351.00388.50426.50464.00501.5028.01.3412.00456.50500.50544.50589.0030.01.4478.00529.00580.50631.50683.0032.51.5548.50607.50666.50725.00784.0034.51.6624.50691.50758.00825.00892.0036.51.7705.00780.50856.00931.501005.0039.01.8790.00875.00959.501040.001125.0043.02.0975.501080.001185.001285.001390.0047.02.21180.001305.001430.001560.0052.02.41405.001555.001705.001855.0056.02.61645.001825.002000.002175.003、661钢丝绳破断拉力直 径钢丝绳的抗拉力强度钢丝绳/mm钢丝/mm14001550170018502000钢丝绳的破断拉力总和/KN11.00.464.3071.2078.1085.0091.9014.00.5100.50111.00122.00132.50143.5016.50.6144.50160.00175.50191.00206.5019.50.7197.00218.00239.00260.00281.5022.00.8257.00285.00312.50340.00367.5025.00.9325.00360.00395.50430.50465.0027.51.0402.00445.00488.00531.50574.5030.51.1486.50538.00591.00643.00695.0033.01.2579.00641.00703.00765.00827.0036.01.3679.00752.50825.00898.00971.0038.51.4788.00872.50957.001040.001125.0041.51.5905.001000.001095.001195.001290.0044.01.61025.001140.001250.001360.001470.0047.01.71160.001285.001410.001535.001660.0050.01.81300.001400.001580.001720.001860.0055.52.01605.001780.001950.002125.002295.0061.02.21945.002155.002360.002570.0066.52.42315.002565.002810.003060.0072.02.62715.003010.003300.003590.00二、 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