NAT K8×K26WS+PWRC-32mm起重用高强度钢丝绳研制  

Development of NAT K8×K26WS+PWRC-32 mm high strength wire rope for crane

作　　者：穆峻青 Mu Junqing(Guizhou Wire Rope Incorporated Company,Zunyi 563000,China)

机构地区：[1]贵州钢绳股份有限公司一分厂,贵州遵义563000

出　　处：《金属制品》2022年第3期8-10,共3页Metal Products

摘　　要：根据用户要求,对NAT K8×K26WS+PWRC-32 mm起重用高强度压实股钢丝绳进行研制。通过优化钢丝绳工艺设计及各工序生产质量控制,外层股股径压缩率控制在9%~11%,金属芯外股采用涂塑生产工艺,涂塑厚度≤0.5 mm,金属绳芯各股与外层股采取一次捻制工艺。合绳后采用锻打工艺,锻打后,钢丝绳实测直径33.30~33.50 mm。经检测,钢丝绳实测破断拉力1004 kN,拆股钢丝各项性能指标满足YB/T 5359—2020要求。According to users requirements,NAT K8×K26WS+PWRC-32 mm high strength compacted strand wire rope for crane is developed.By optimizing process design of wire rope and production quality control of each process,diameter compression rate of outer strand is controlled 9%~11%,outer strand of metal core adopts plastic coating production process,the plastic coating thickness is no more than 0.5 mm,and each strand of metal core and outer strand adopt one-time laying process.Forging process is adopted after rope closed,Measured wire rope diameter is 33.30~33.50 mm after forging.Measured wire rope breaking force is 1004 kN,and all performance indexes of dismantle steel wire meet requirements of YB/T 5359—2020.

关 键 词：压实股钢丝绳 压缩率 涂塑 锻打 捻制 破断拉力 

分 类 号：TG356.45[金属学及工艺—金属压力加工]