鋼絲繩(設(shè)計(jì)規(guī)范)(共14頁)

1、鋼絲繩(設(shè)計(jì)規(guī)范)（GB/T8918-1996） 1.鋼絲繩（GB/T 8918-1996）(1)分類(fn li)見表7-172。圖7-1鋼絲繩的捻法(2)力學(xué)性能見表7-173表7-190。表7-172鋼絲繩的分類(fn li)組別類 別分類原則典 型 結(jié) 構(gòu)直徑范圍/mm鋼絲繩股 繩1圓股鋼絲繩6x76個(gè)圓股。每股外層絲可到7根，中心絲(或無)外捻制12層鋼絲，鋼絲等捻距6769W(6+1)(3/3+3)23614362619(a)6個(gè)圓股，每股外層絲8-12根，中心絲外捻制23層鋼絲，鋼絲等捻距619S6x19W625Fi6x26SW631SW(9+9+1)(6/6+6+1)(12+6

2、F+6+1)(10+5/5+5+1)(12+6/6+6+1)6366401444134012466x19(b)6個(gè)圓股，每股外層絲12根，中心絲外捻制2層鋼絲6x 19(12+6+1)3463637(a)6個(gè)圓股，每股外層絲1418根，中心絲外捻制34層鋼絲，鋼絲等捻距629Fi636SW637S(點(diǎn)線接觸)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個(gè)圓股，每股外層絲18根，中心絲外捻制3層鋼

3、絲637(18+12+6+1)5664圓股鋼絲繩8198個(gè)圓股，每股外層絲812根，中心絲外捻制2-3層鋼絲，鋼絲等捻距819S819W825Fi826SW8x 31SW(9+9+1)(6/6+6+1)(12+6F+6+1)(10+5/5+5+1)(12+6/6+6+1)11441O4818521648145658378個(gè)圓股，每股外層絲14-18根，中心絲外捻制34層鋼絲，鋼絲等捻距836SW841SW849SWS855SWS(14+7/7+7+1)(16+8/8+8+1)(16+8/8+8+8+1)(18+9/9+9+9+1)14604056446444646177鋼絲繩中有17或18個(gè)圓

4、股，在纖維芯或鋼芯外捻制2層股1771871819W1819S1819(6+1)(6+1)(6/6+6+1)(9+9+1)(12+6+1)6446441444144410447347鋼絲繩中有34或36個(gè)圓股，在纖維芯或鋼芯外捻制3層股347367(6+1)(6+1)1644164486246個(gè)圓股，每股外層絲1216根，股纖維芯外捻制2層鋼絲624624S624W(15+9+FC)(12+12+FC)(8/8+8+FC)84010441O4496V76個(gè)三角形股，每股外層絲79根，三角形股芯外捻制1層鋼絲6V18(9+/32+3/)203610異型股鋼絲繩6V196個(gè)三角形股，每股外層絲1O

5、-14根，三角形股芯或纖維芯外捻制2層鋼絲6Vx 2I6V306V33(12+9+F)(12+12+6)(12+12+/32+3/)113620382844116V376個(gè)三角形股，每股外層絲15-18根，三角形股芯外捻制2層鋼絲6Vx 366V37S6V43(15+12+/32+3/)(15+12+/37+3/)(18+15+/17+3/)325232525258124V394個(gè)扇形股，每股外層絲15-18根，纖維股芯外捻制3層鋼絲4Vx 39S4V48S(15+15+9+FC)(18+18+12+Fc)8362040136Q19+6V21鋼絲繩中有12-14個(gè)股，在6個(gè)三角形股外，捻制68

6、個(gè)橢圓股6Q19+6V216Q33+6V21外股(14+5)內(nèi)股(12+9+FC)外股(15+13+5)內(nèi)股(12+9+FC)4052406014扁鋼絲繩扁鋼絲繩中有6個(gè)或8個(gè)左交互捻和右交互捻的子繩交替排列P647P847P849P8419(6+1)(6+1)(9+FC)(12+6+1)注：1.2組和3組內(nèi)推薦(tujin)選用a類鋼絲繩。2.8組、12組及異型股鋼絲繩中6V21結(jié)構(gòu)僅為纖維(xinwi)繩芯，其余組別的鋼絲繩(扁鋼絲繩除外)，可由需方指定纖維芯或鋼芯。3.三角形股芯的結(jié)構(gòu)可以互相代替，或改用其他(qt)結(jié)構(gòu)的三角形股芯，但應(yīng)在訂貨合同中注明。4.鋼絲繩按捻法分為右交互捻、左

7、交互捻、右同向捻和左同向捻四種，如圖7-1所示。圖a和圖b繩與股捻向相反(xingfn)，圖c和圖d繩與股捻向相同。5.1-7組鋼絲繩可為交互捻和同向捻，其中6組和7組多層圓股鋼絲繩的內(nèi)層(ni cn)繩捻法，由生產(chǎn)廠確定。6.637(b)組、8組和12組鋼絲繩僅為交互捻。7.911組和13組異型股鋼絲繩為同向捻。13組鋼絲繩的內(nèi)層繩與外層繩捻向應(yīng)相反，且內(nèi)層繩為同向捻。8.如用戶對(duì)捻法無明確要求，則由生產(chǎn)廠自行決定。表7-173鋼絲繩第1組67類的力學(xué)性能直徑236mm 直徑1436mm鋼絲繩結(jié)構(gòu)：6 7+FC 67+IWS 69W+FC 69W+IWR 力學(xué)性能鋼絲繩公稱直徑鋼絲繩近似質(zhì)量

8、鋼絲繩公稱抗拉強(qiáng)度/MPa14701570167017701870鋼絲繩最小破斷拉力d允許偏差天然纖維芯鋼絲繩合成纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩(%)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.

9、778.69.6812.213.1131413.814.914.615.815.516.76+6012.612.413.917.518.918.720.219.921.521.122.822.324.1717.216.91923.925.825.527.627.129.328.731.130.432.8822.52224.831.233.733.33635.438.337.640.639.742.9928.427.931.339.542.742.245.644.948.547.551.450.254.31035.134.438.748.852.752.156.355.459.958.763.5

10、6267.11142.541.646.85963.86368.167.0072.571.176.875.181.21250.549.555.770.275.97581.179.886.384.691.589.496.61359.358.165.482.489.18895.293.710199.31071041131468.867.475.995.61031021101081171151241211311689.988.199.112413513314414115315016215817118114111125158.00170168182179.001941902052012172014013

11、8155195211208225221.00239235254248268.0022170166187236.00255252272.00268290284307300324.0024202.00198.002232813033003243193453383663573862623723326232935635238137440539742941945328275270303382413408441.00434470460498486526-30316310348439474.00469507.00498.0053952857155860432359352396499540.005335775

12、67613601650635687-34406398447564610602651640693679734717.00776.0036455446502632683675730718776761823804870注：1.最小鋼絲(n s)破斷拉力總和=鋼絲繩最小破斷拉力1.134(纖維芯)或1.214(鋼芯)。2.新設(shè)計(jì)設(shè)備(shbi)不得選用括號(hào)內(nèi)的鋼絲繩直徑。表7-174鋼絲繩第2組619(a)類的力學(xué)性能6 19S+FC 619S+IWR 619W+FC 619W+IWR直徑(zhjng)636mm 直徑1136mm 直徑640mm 直徑1140mm鋼絲繩結(jié)構(gòu)：619S+FC 619S+

13、IWR 619WFC 619W+IWR 力學(xué)性能鋼絲繩公稱直徑鋼絲繩近似質(zhì)量鋼絲繩公稱抗拉強(qiáng)度/MPa14701570167017701870鋼絲繩最小破斷拉力d允許偏差天然纖維芯鋼絲繩合成纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩(%)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 403

14、3.135.735.23837.340.339.442.6929.90.29.132.839.242.341.945.244 6048.147.35149.953.91O36 903640.548.552.351.855.855.159.458.46361.766.5116044.643.549.158.663.362.667.666.671.970.676.274.680.51253.151.858.469.875.374.680.479.385.684.190.788.895.81362.360.868.581.988.487.594.493.110098.71061041121472.2

15、70.579.5951021011091081161141231201301694.492.11041241331321431411521491611571701811911713115716916718117819218920419921520147144162194209207223220237233252246266221781741962342532502702662872823042983222421220723427930129832131734233636235538326249243274327353350377372401394425417450282892823183804

16、10406438432466457494483521-3033232436543647046650349553552556755559932377369415496535530572564608598645631681-3442641646956060459864663768767572871376936478466525628678671724714770756816799862-385325205857007557488077958588439098919614059057664977683782889488195193410009871060注：1.最小鋼絲破斷拉力總和(zngh)=鋼絲

17、繩最小破斷拉力1.214(纖維芯)或1.308(鋼芯)。2.新設(shè)計(jì)設(shè)備不得選用(xunyng)括號(hào)內(nèi)的鋼絲繩直徑。表7-175鋼絲繩第2組6x 19(b)類的力學(xué)性能619+FC619+IWS直徑(zhjng)346mm鋼絲繩結(jié)構(gòu)(jigu)619+FC 619+IWS力學(xué)性能鋼絲繩公稱直徑鋼絲繩近似質(zhì)量鋼絲繩公稱抗拉強(qiáng)度/MPa14701570167017701870鋼絲繩最小破斷拉力d允許偏差天然纖維芯鋼絲繩合成纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩纖維芯鋼絲繩鋼芯鋼絲繩mm(%)kg/100mkN3+83.113.0

18、33.434.064.394.334.694.614.984.895.285.165.584+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

19、.739.792827.330.936.539.53942.241.544.94447.546.550.21O34.633.738.145.148.848.152.151.255.454.358.757.4621141.940.846.154.65958.363627665.771.169.475.11249.848.554.964.970.269.47573.879.878.284.682.689.41358.55764.476.282.481.48886.693.791.899.3971041467.866.174.788.495.694.41021001081061151121211688.686.397.5115124123133131141139150146158181121091231461581561681661791761901862012013813515218019519220820522121723522924822167163184218236233252248268263284277300241991