钢丝绳(设计规范)

钢丝绳(设计规范)（GB/T8918-1996） 1.钢丝绳（GB/T 8918-1996）(1)分类见表7-172。图7-1钢丝绳的捻法(2)力学性能见表7-173表7-190。表7-172钢丝绳的分类组别类 别分类原则典 型 结 构直径范围/mm钢丝绳股 绳1圆股钢丝绳6x76个圆股。每股外层丝可到7根，中心丝(或无)外捻制12层钢丝，钢丝等捻距6769W(6+1)(3/3+3)23614362619(a)6个圆股，每股外层丝8-12根，中心丝外捻制23层钢丝，钢丝等捻距619S6x19W625Fi6x26SW631SW(9+9+1)(6/6+6+1)(12+6F+6+1)(10+5/5+5+1)(12+6/6+6+1)6366401444134012466x19(b)6个圆股，每股外层丝12根，中心丝外捻制2层钢丝6x 19(12+6+1)3463637(a)6个圆股，每股外层丝1418根，中心丝外捻制34层钢丝，钢丝等捻距629Fi636SW637S(点线接触)641SW6x49SWS655SWS(14+7F+7+1)(14+7/7+7+1)(15+15+6+1)(16+8/8+8+1)(16+8/8+8+8+1)(18+9/9+9+9+1)104412601O60326036603664637(b)6个圆股，每股外层丝18根，中心丝外捻制3层钢丝637(18+12+6+1)5664圆股钢丝绳8198个圆股，每股外层丝812根，中心丝外捻制2-3层钢丝，钢丝等捻距819S819W825Fi826SW8x 31SW(9+9+1)(6/6+6+1)(12+6F+6+1)(10+5/5+5+1)(12+6/6+6+1)11441O4818521648145658378个圆股，每股外层丝14-18根，中心丝外捻制34层钢丝，钢丝等捻距836SW841SW849SWS855SWS(14+7/7+7+1)(16+8/8+8+1)(16+8/8+8+8+1)(18+9/9+9+9+1)14604056446444646177钢丝绳中有17或18个圆股，在纤维芯或钢芯外捻制2层股1771871819W1819S1819(6+1)(6+1)(6/6+6+1)(9+9+1)(12+6+1)6446441444144410447347钢丝绳中有34或36个圆股，在纤维芯或钢芯外捻制3层股347367(6+1)(6+1)1644164486246个圆股，每股外层丝1216根，股纤维芯外捻制2层钢丝624624S624W(15+9+FC)(12+12+FC)(8/8+8+FC)84010441O4496V76个三角形股，每股外层丝79根，三角形股芯外捻制1层钢丝6V18(9+/32+3/)203610异型股钢丝绳6V196个三角形股，每股外层丝1O-14根，三角形股芯或纤维芯外捻制2层钢丝6Vx 2I6V306V33(12+9+F)(12+12+6)(12+12+/32+3/)113620382844116V376个三角形股，每股外层丝15-18根，三角形股芯外捻制2层钢丝6Vx 366V37S6V43(15+12+/32+3/)(15+12+/37+3/)(18+15+/17+3/)325232525258124V394个扇形股，每股外层丝15-18根，纤维股芯外捻制3层钢丝4Vx 39S4V48S(15+15+9+FC)(18+18+12+Fc)8362040136Q19+6V21钢丝绳中有12-14个股，在6个三角形股外，捻制68个椭圆股6Q19+6V216Q33+6V21外股(14+5)内股(12+9+FC)外股(15+13+5)内股(12+9+FC)4052406014扁钢丝绳扁钢丝绳中有6个或8个左交互捻和右交互捻的子绳交替排列P647P847P849P8419(6+1)(6+1)(9+FC)(12+6+1)注：1.2组和3组内推荐选用a类钢丝绳。2.8组、12组及异型股钢丝绳中6V21结构仅为纤维绳芯，其余组别的钢丝绳(扁钢丝绳除外)，可由需方指定纤维芯或钢芯。3.三角形股芯的结构可以互相代替，或改用其他结构的三角形股芯，但应在订货合同中注明。4.钢丝绳按捻法分为右交互捻、左交互捻、右同向捻和左同向捻四种，如图7-1所示。图a和图b绳与股捻向相反，图c和图d绳与股捻向相同。5.1-7组钢丝绳可为交互捻和同向捻，其中6组和7组多层圆股钢丝绳的内层绳捻法，由生产厂确定。6.637(b)组、8组和12组钢丝绳仅为交互捻。7.911组和13组异型股钢丝绳为同向捻。13组钢丝绳的内层绳与外层绳捻向应相反，且内层绳为同向捻。8.如用户对捻法无明确要求，则由生产厂自行决定。表7-173钢丝绳第1组67类的力学性能直径236mm 直径1436mm钢丝绳结构：6 7+FC 67+IWS 69W+FC 69W+IWR 力学性能钢丝绳公称直径钢丝绳近似质量钢丝绳公称抗拉强度/MPa14701570167017701870钢丝绳最小破断拉力d允许偏差天然纤维芯钢丝绳合成纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳(%)kg/100mkN2+8O1.41.381.551.952.112.082.252.212.392.352.542.482.68.33.163.13.484.394.744.695.074.985.395.285.715.586 044+7O5.625.56.197.88.448.339.O18.879.599.41O.109.9310.758.778.69.6812.213.1131413.814.914.615.815.516.76+6012.612.413.917.518.918.720.219.921.521.122.822.324.1717.216.91923.925.825.527.627.129.328.731.130.432.8822.52224.831.233.733.33635.438.337.640.639.742.9928.427.931.339.542.742.245.644.948.547.551.450.254.31035.134.438.748.852.752.156.355.459.958.763.56267.11142.541.646.85963.86368.167.0072.571.176.875.181.21250.549.555.770.275.97581.179.886.384.691.589.496.61359.358.165.482.489.18895.293.710199.31071041131468.867.475.995.61031021101081171151241211311689.988.199.112413513314414115315016215817118114111125158.00170168182179.0019419020520121720140138155195211208225221.00239235254248268.0022170166187236.00255252272.00268290284307300324.0024202.00198.002232813033003243193453383663573862623723326232935635238137440539742941945328275270303382413408441.00434470460498486526-30316310348439474.00469507.00498.0053952857155860432359352396499540.00533577567613601650635687-34406398447564610602651640693679734717.00776.0036455446502632683675730718776761823804870注：1.最小钢丝破断拉力总和=钢丝绳最小破断拉力1.134(纤维芯)或1.214(钢芯)。2.新设计设备不得选用括号内的钢丝绳直径。表7-174钢丝绳第2组619(a)类的力学性能6 19S+FC 619S+IWR 619W+FC 619W+IWR直径636mm 直径1136mm 直径640mm 直径1140mm钢丝绳结构：619S+FC 619S+IWR 619WFC 619W+IWR 力学性能钢丝绳公称直径钢丝绳近似质量钢丝绳公称抗拉强度/MPa14701570167017701870钢丝绳最小破断拉力d允许偏差天然纤维芯钢丝绳合成纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳(%)kg/100mKN6+6O13.31314.617.418.818.620.119.80.21.42122.622.20.23.9718.117.619.923.725.625.327.32729.128.630.830 2032.6823.62325.93133 4033.135.735.23837.340.339.442.6929.90.29.132.839.242.341.945.244 6048.147.35149.953.91O36 903640.548.552.351.855.855.159.458.46361.766.5116044.643.549.158.663.362.667.666.671.970.676.274.680.51253.151.858.469.875.374.680.479.385.684.190.788.895.81362.360.868.581.988.487.594.493.110098.71061041121472.270.579.5951021011091081161141231201301694.492.1104124133132143141152149161157170181191171311571691671811781921892041992152014714416219420920722322023723325224626622178174196234253250270266287282304298322242122072342793012983213173423363623553832624924327432735335037737240139442541745028289282318380410406438432466457494483521-3033232436543647046650349553552556755559932377369415496535530572564608598645631681-3442641646956060459864663768767572871376936478466525628678671724714770756816799862-385325205857007557488077958588439098919614059057664977683782889488195193410009871060注：1.最小钢丝破断拉力总和=钢丝绳最小破断拉力1.214(纤维芯)或1.308(钢芯)。2.新设计设备不得选用括号内的钢丝绳直径。表7-175钢丝绳第2组6x 19(b)类的力学性能619+FC619+IWS直径346mm钢丝绳结构619+FC 619+IWS力学性能钢丝绳公称直径钢丝绳近似质量钢丝绳公称抗拉强度/MPa14701570167017701870钢丝绳最小破断拉力d允许偏差天然纤维芯钢丝绳合成纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳纤维芯钢丝绳钢芯钢丝绳mm(%)kg/100mkN3+83.113.033.434.064.394.334.694.614.984.895.285.165.584+705.545.396.17.227.87.718.338.28.878.699.49.189.9358.658.429.5211.212.2121312.813.813.514.614.315.56+6O12.512.113.716.217.517.318.718.419.919.521.120.622.371716.518.722.123.923.625.525.127.126.628.728.130.4822.121.624.428.831.230.833.332.835.434.737.636.739.792827.330.936.539.53942.241.544.94447.546.550.21O34.633.738.145.148.848.152.151.255.454.358.757.4621141.940.846.154.65958.363627665.771.169.475.11249.848.554.964.970.269.47573.879.878.284.682.689.41358.55764.476.282.481.48886.693.791.899.3971041467.866.174.788.495.694.41021001081061151121211688.686.397.5115124123133131141139150146158181121091231461581561681661791761901862012013813515218019519220820522121723522924822167163184218236233252248268263284277300241991942192592812773002953193123383303572623422825830532932535234637436739738841928271264299353382377408401434426460450486-3031130334340643943346946149848952851655832354345390462499493533524567556601587635-3440039044052156455760259264062867966371736448437494584632524675664718704761744804-3850048755065170469575274080078484882889640554539610722780771833820887869940918993-4261059467279686085091990497895810301010109044670652738873944933100099210701050113011101200-46732713806954103010101100108011701140124012101310注：1.最小钢丝破断拉力总和=钢丝绳最小破断拉力1.197(纤维芯)或1.287(钢芯)。2.新设计设备不得选用括号内的钢丝绳直径。