15×K7-IWRC
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  • 15×K7-IWRC

15×K7-IWRC

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
  • 15×K7-IWRC 是一款 15 股 K 型压实股 + 独立钢丝绳芯 的多股防旋转中轻型钢丝绳,结构紧凑、兼顾抗扭转稳定性与抗挤压能力,符合《重要用途钢丝绳》(GB/T 20118-2017)标准,适用于小型塔式起重机、建筑物料提升机、港口轻型装卸设备、电梯曳引系统等对防旋转、中低承载、多层缠绕有需求的作业工况。

    型号含义拆解

    型号部分含义说明
    15钢丝绳由 15 个外层工作股 组成,多股对称排列设计,可有效抵消绳体承载时的扭转扭矩,实现低旋转特性,避免中轻载吊装时吊钩打转、货物摆动
    ×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、抗磨损性能远优于普通捻制股
    -IWRC绳芯为独立钢丝绳芯(Independent Wire Rope Core),由独立钢绳捻制而成,提供稳定的径向支撑力与抗挤压能力,适配中小型卷筒的多层缠绕工况,避免绳体变形、断丝

    一、基础结构参数

    参数项详细说明
    结构组成15 个 K 型压实外层股 + 独立钢丝绳芯(IWRC,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,旋转扭矩低,抗挤压性能优于纤维芯同类型号
    钢丝材质优质高碳钢(#82B、#925),经冷拔强化 + 股压实处理;外层股与绳芯钢丝表面可选热镀锌 / 电镀锌 / 光面,按需匹配不同腐蚀工况
    表面处理1.  热镀锌:镀层厚 30~60μm,适用于沿海高盐雾、矿山潮湿等中腐蚀中轻型重载场景
    2.  电镀锌:镀层厚 8~15μm,适用于干燥室内中轻型起重工况
    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 10~38mm,主流应用 16~32mm 中轻型提升 / 牵引场景
    公称抗拉强度高碳钢型:1770MPa、1960MPa、2160MPa(小型塔吊 / 电梯曳引优先选用 1960MPa 等级,兼顾强度与耐疲劳性)
    重量系数0.460~0.490(比同规格 15×K7-FC 重 15%~19%,比 18×K7-IWRC 轻 8%~12%,平衡强度与轻量化需求)
    最小破断拉力系数0.380~0.400(K 型压实工艺 + IWRC 绳芯协同作用,金属利用率比普通 15×7+FC 系列提升 16%~21%,满足中轻型作业强度需求)

    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
    1670320小型物料提升机承重绳、电梯随行绳
    22135650小型塔式起重机副钩绳、港口轻型装卸设备牵引绳
    282201100中型物料提升机主绳、建筑施工电梯曳引绳
    343301650小型港口卸船机辅助绳、风电塔筒小配件吊装绳
    注:热镀锌处理对破断拉力的影响小于 2%;IWRC 绳芯的抗挤压特性使其适配多层缠绕卷筒,减少股间挤压导致的断丝风险。

    三、核心特性

    1. 低旋转高稳定性,适配中轻型精准吊装
      15 股对称排列设计可有效抵消扭转扭矩,避免吊装过程中吊钩打转、货物摆动;交叉捻向结构进一步降低旋转扭矩,无需额外防旋转装置,满足小型塔吊、电梯曳引等高精度作业需求。
    2. 抗挤压 + 适中柔韧性,兼顾重载与弯曲
      K 型压实股提升外层抗磨损与抗挤压能力,IWRC 独立钢绳芯提供稳定径向支撑,相比纤维芯型号抗多层缠绕挤压能力更强,相比大股数(如 18/24 股)型号更轻便灵活,适配中小型卷筒的中低频作业场景。
    3. 耐磨耐疲劳,使用寿命长
      K 型压实工艺让股内 7 根钢丝紧密贴合,减少微动摩擦;外层钢丝与滑轮、卷筒接触面积均匀,磨损速率低,耐疲劳性能是普通 15×7+FC 钢丝绳的 1.9~2.2 倍,降低设备运维成本。
    4. 防腐性能可靠,适配多环境作业
      热镀锌镀层附着力强,可应对沿海高盐雾、矿山潮湿等腐蚀环境;搭配钢绳芯专用防腐润滑脂,维护周期比纤维芯型号延长 60% 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
      • 小型塔吊 / 物料提升机:7~9 倍
      • 电梯曳引 / 港口轻型装卸设备:9~11 倍
      • 严禁用于矿山竖井提升、超重型设备长期悬挂、强酸碱腐蚀无防护等极端工况
    2. 环境适配原则
      • 干燥室内中轻型起重 → 电镀锌全绳型号
      • 户外 / 矿山 / 沿海中腐蚀环境 → 热镀锌型号,定期加注防腐润滑脂
      • 强腐蚀环境 → 搭配聚氨酯(PU)护套,隔绝腐蚀介质
    3. 卷筒与滑轮匹配
      • 卷筒直径 ≥ 钢丝绳直径的 22~27 倍
      • 滑轮直径 ≥ 钢丝绳直径的 20~24 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 钢绳芯专用防腐润滑脂,采用高压注脂设备,确保润滑脂渗透至股间和绳芯缝隙,不可使用纤维芯专用润滑脂
      • 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 2 丝断丝需立即报废
      • 运输与存放时需盘卷整齐,避免挤压变形、尖锐物划伤镀层;长期存放置于干燥通风环境,定期检查防锈情况


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15×K7-IWRC
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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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