35W×K7
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  • 35W×K7

35W×K7

一家专业从事钢丝绳的生产、研发、销售的公司,开发并生产为电梯绳生产企业做配套服务,重点为 6*19 的钢丝绳,同时兼做部分出口业务,以热镀锌钢丝绳为主
  • 产品详情
  • 35W×K7 是一款 35 股瓦林吞式 K 型压实股 的多股防旋转重载钢丝绳,属于重型起重专用高端规格,结构紧凑、抗扭转性能突出、强度优异,符合《重要用途钢丝绳》(GB/T 20118-2017)标准,适用于大型塔式起重机、港口岸桥、矿山竖井提升、重型设备吊装等对防旋转、高强度、耐疲劳要求严苛的超重型工况。

    型号含义拆解

    型号部分含义说明
    35钢丝绳由 35 个外层工作股 组成,多股对称排列设计,可最大程度抵消绳体承载时的扭转扭矩,实现低旋转特性,避免重载吊装时吊钩打转、货物摆动
    W外层股采用 瓦林吞式(Warrington)结构,股内粗细钢丝交替排布,外层粗钢丝提升耐磨性,内层细钢丝填补间隙,提高股结构密实度与耐疲劳性能
    ×K7每股为 K 型压实股,由 7 根钢丝经冷压实工艺处理,股径缩小、钢丝贴合紧密,金属截面积利用率大幅提升,抗疲劳性能远优于普通捻制股
    注:该型号未明确标注绳芯类型,实际工程中主流配套绳芯为 独立钢绳芯(IWRC)电镀锌独立钢绳芯(EPIWRC),需根据工况的防腐、强度需求选择。

    一、基础结构参数

    参数项详细说明
    结构组成35 个瓦林吞式 K 型压实外层股 + 配套绳芯(IWRC/EPIWRC,常规为 7×7 结构);外层股与绳芯采用交叉捻向(外层右捻、芯左捻),绳体圆整度高,旋转扭矩极低
    钢丝材质优质高碳钢(#82B、#925),冷拔强化 + 股压实处理;外层股钢丝表面可选热镀锌 / 电镀锌 / 光面,防腐等级高于普通钢丝绳
    表面处理1.  热镀锌:镀层厚 30~60μm,适用于沿海高盐雾、矿山潮湿等高腐蚀重载场景
    2.  电镀锌:镀层厚 8~15μm,适用于干燥室内超重型起重工况
    3.  光面:无镀层,需定期加注专用润滑脂,适用于无尘高精度吊装场景
    直径范围常见 28~85mm,主流应用 36~68mm 超重型提升 / 牵引场景
    公称抗拉强度高碳钢型:1770MPa、1960MPa、2160MPa(矿山 / 港口重载优先选用 1960MPa 等级,兼顾强度与耐疲劳性)
    重量系数0.560~0.590(压实股结构金属填充率高,重量大于普通多股钢丝绳,略低于同规格带 EPIWRC 的型号)
    最小破断拉力系数0.460~0.480(K 型压实工艺 + 瓦林吞股型,金属利用率比普通 6×19 系列提升 25%~30%,破断拉力优势显著)

    二、典型力学性能表(1960MPa 热镀锌 + IWRC 绳芯)

    公称直径(mm)参考重量(kg/100m)最小破断拉力(kN)适用场景
    365502350中型塔式起重机主钩、港口龙门吊承重绳
    448153600大型卸船机主牵引、矿山竖井提升
    5211305000超重型履带吊主绳、跨海大桥钢箱梁吊装
    6015106700深海平台吊装设备、大型浮吊主承重绳
    6819408700超重型设备转运、核电工程核心部件吊装
    注:若配套 EPIWRC 绳芯,参考重量增加 3%~5%,最小破断拉力提升 2%~3%;热镀锌处理对破断拉力的影响小于 2%。

    三、核心特性

    1. 低旋转高稳定性
      35 股对称排列 + 交叉捻向设计,完全抵消绳体承载时的扭转扭矩,长距离悬挂重载时吊钩无打转、货物无摆动,无需额外防旋转装置,适配大型吊装设备的高精度作业需求。
    2. 超高强度与抗挤压能力
      K 型压实工艺让股内 7 根钢丝紧密贴合,瓦林吞式股型提升外层耐磨性;搭配钢绳芯后,径向抗挤压性能优异,多层缠绕卷筒时绳体不易变形、断丝,可承受高频次重载冲击。
    3. 耐疲劳与耐磨性双优
      股外层粗钢丝降低与滑轮 / 卷筒的磨损速率,压实股结构减少股内钢丝微动摩擦,耐疲劳性能是普通多股钢丝绳的 2~2.5 倍;在矿山提升、港口装卸等高频作业场景下,使用寿命大幅延长。
    4. 适配恶劣环境,维护成本低
      热镀锌镀层附着力强,在沿海高盐雾、矿山潮湿泥泞环境中,锈蚀速率远低于普通镀锌钢丝绳;搭配专用防腐润滑脂,维护周期可延长 50% 以上,降低长期使用成本。

    四、选型与使用要点

    1. 安全系数选择
      • 大型塔式起重机 / 港口岸桥:9~11 倍
      • 矿山竖井提升 / 超重型设备吊装:11~13 倍
      • 严禁用于小直径卷筒、频繁小半径弯曲的轻载工况(绳体刚度大,小半径弯曲易导致股丝崩断)
    2. 绳芯选型建议
      • 干燥室内超重型起重 → 普通 IWRC 绳芯(成本适中,强度满足需求)
      • 户外 / 沿海 / 矿山高腐蚀环境 → EPIWRC 镀锌绳芯(提升防腐能力,延长使用寿命)
      • 超重型冲击载荷工况 → 纤维增强钢绳芯(FRIC),增强缓冲性能,降低冲击损伤
    3. 卷筒与滑轮匹配
      • 卷筒直径 ≥ 钢丝绳直径的 30~35 倍
      • 滑轮直径 ≥ 钢丝绳直径的 28~32 倍
      • 滑轮槽底需为圆弧深槽精密加工,与绳径精准匹配,避免股丝受力不均引发断丝
    4. 维护注意事项
      • 定期加注 专用压实股钢丝绳防腐润滑脂,需采用高压注脂设备,确保润滑脂渗透至股间缝隙,不可使用普通润滑脂
      • 检查重点为 股端断丝、绳径磨损、镀层脱落、股间松动,出现单股 1 丝断丝需标记监测,单股 2 丝断丝立即报废
      • 运输与存放时需定制专用支架盘卷,避免挤压变形、尖锐物划伤镀层;长期存放需置于干燥通风环境,定期检查防锈情况


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35W×K7
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常见问题

阐述什么样的润滑剂可以防止钢丝绳损害?


一、光滑油具有良好的流动性和浸透能力,在钢丝绳进行光滑预处理时就能敏捷进入绳子内部以及绳芯,并能起到避免细菌在绳芯纤维内部繁殖的作用。

二、光滑油粘附在钢丝绳上不会轻易被擦掉,在规定的温度变化范围内光滑作用也不会受到影响。此外,具有粘附功能的光滑油还能防滑,这对电梯用钢丝绳附着摩擦力供给了协助。

三、有着较高的油膜强度,能在极重载荷下抵抗彼此接触的钢丝之间存在的极高压力,还能抗分解、蜕变。

四、光滑油油脂具有较高的内聚力,可以避免光滑油的滴落,没有运动时离心甩失,避免油脂糟蹋以及对其他设备的污染。

五、不含有会引起钢丝绳产生腐蚀、生锈的成分,防腐蚀、防锈蚀的作用更佳。

六、其自我修正的能力强,钢丝绳运用时不断产生曲折,会使其表面油膜不断揉捏扩张。这就需求柔软的并且有较高温润性的油膜来维护绳体免于开裂。

钢丝绳的分类有哪些?


1、电动葫芦钢丝绳:6*37+FC-11/13/15/17.5
2、塔吊钢丝绳和多层股不旋转钢丝绳:6*19+FC-12/12.5,6*37-13/14,6*29FI+FC-12/12.5,4v39s+5FC-12/13/14,35W*7-12/13/14
3、汽车吊不旋转钢丝绳:4V39S+5FC-10/12/13/14/16/17,35W*7-10/12/13/14/15/16/17/18/20/22
4、打桩机扁丝钢丝绳:K6K36WS+IWR-/17.5/24/26/28/30/32/34/36/40/42/46
5、旋挖机扁丝钢丝绳:35W*K7-24/26/28/30/32/36/40
6、码头吊机钢丝绳:6*36WS+IWR-17.5/19.5/21.5/24/26
7、矿山钢丝绳6*19+FC-12.5/14/15.5/17/18.5/21.5/24.5/26/28,6*19S+FC-12.5/14/15.5/17/18.5/21.5/24.5
8、电梯钢丝绳:8*19S+FC-10/11/12/13/16
9、热镀锌吊篮钢丝绳:4*31WS+PPC-8.3/8.6
10、热镀锌钢丝绳:6*19/6*37/6*36WS/8*61/8*36WS/
11、电镀锌钢丝绳:6*7+FC-/2/3/4
6*19+FC-5/6/7.7/9.3/11,6*12+7FC-5/6/7.7/9.3/11,7*19-5/6/8/10,19*7-4/5/6/8/10,6*37+FC-8.7/9.3/11/13/15/17.5/19.5
12、大直径钢丝绳:60MM以上
13、钢丝绳索具(插编、压制、浇筑、连接件等):
14、涂塑钢丝绳:2-3/3-4/4-5/5-6/6-8/8-12/12-15
15、捆绑钢丝绳:6*12/6*15-13/14/15
前面代表结构,后面代表直径。比如:6*37+FC-11,代表结构是6*37+FC,直径:11MM

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