履带吊用超高强度NAT35(W)×K7-26.00 mm钢丝绳研制  

Development of ultra-high strength NAT35(W)×K7-26.00 mm wire rope for crawler crane

作　　者：汪波 李教教 金国飞 令狐新建 Wang Bo;Li Jiaojiao;Jin Guofei;Linghu Xinjian(Guizhou Wire Rope Incorporated Company,Zunyi 563000,China)

机构地区：[1]贵州钢绳股份有限公司,贵州遵义563000

出　　处：《金属制品》2025年第2期1-4,共4页Metal Products

摘　　要：35(W)×K7类抗旋转钢丝绳因具有良好的抗旋转性能而被应用于履带吊等高扬程吊装场所,根据客户技术要求,NAT35(W)×K7-26.00 mm超高强度履带吊钢丝绳破断拉力要求达到662 kN,相当于2360级,超过了YB/T 5359—2020《压实股钢丝绳》要求。针对客户要求进行了产品研制,通过优化钢丝绳工艺设计,优化钢丝拉拔、捻股、合绳等各工序生产工艺。研制出相当于2360级破断拉力的超高强度钢丝绳,实测破断拉力678 kN,高于技术要求的662 kN,钢丝绳实测直径26.68 mm,符合公差要求,捻制质量及各项技术性能指标满足要求。35(W)×K7 type anti-rotation steel wire rope is applied to crawler cranes and other lifting places with high lift because of its good anti-rotation performance.According to customer technical requirements,breaking force of NAT35(W)×K7-26.00 mm ultra-high strength crawler crane wire rope is required to reach 662 kN,which is equivalent to 2360 grade,exceeding requirements of YB/T 5359—2020 Compacted Strand Rope.In view customer demand,the product has been developed.Through optimizing wire rope process design and optimizing steel wire drawing,stranding and rope making process,ultra-high strength wire rope product with breaking force equivalent to 2360 grade has been developed.The measured breaking force is 678 kN,which is higher than technical requirement 662 kN,measured diameter of wire rope is 26.68 mm,meets tolerance requirements,and lay quality and various technical performance indicators meet requirements.

关 键 词：履带吊 钢丝绳 破断拉力 抗旋转 高扬程 捻制 

分 类 号：TG356.45[金属学及工艺—金属压力加工]