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Elevator 9 × 17S-IWRC
A company specializing in the production, research and development, and sales of steel wire ropes. It develops and produces supporting services for elevator rope manufacturers, focusing on 6 * 19 steel wire ropes. At the
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电梯专用 9×17S-IWRC 钢丝绳是针对中速、经济型轻型电梯（如小户型住宅电梯、老旧小区改造电梯、小型商用杂物电梯）曳引系统设计的高性价比、抗旋转特种钢丝绳，符合 GB 8903-2018《电梯用钢丝绳》 标准，适配运行速度 1.0~3.0m/s、提升高度 30~180m 的电梯工况，尤其适合对成本控制严格、运行稳定性要求均衡的民用轻型电梯场景。
一、型号含义拆解（电梯工况专属优化）
型号部分 含义说明 9 外层9 个工作股，采用多层对称紧密排列设计，相比 8 股结构抗旋转性能提升 32%，旋转扭矩≤0.18 N・m/100m，可有效抑制中速轻型电梯启停、载重切换时的绳体扭转，避免轿厢偏摆、异响，保障基础平稳运行需求 ×17S 西鲁式股结构（S=Seale），每股由 17 根粗细分级的钢丝分层捻制，外层粗钢丝耐磨、内层细钢丝增韧；经电梯专用精密冷压实工艺处理后，股内钢丝呈面接触，间隙≤0.008mm，17 丝结构比 19 丝更轻量化，柔韧性更优，适配小机房、狭小布线空间的电梯改造项目 -IWRC 电梯专用独立钢丝绳芯（7×19 紧凑型结构），经冷压实强化处理，径向支撑力比通用 IWRC 提升 15%，抗蠕变性能优异，解决中高层轻型电梯超长悬挂导致的平层精度漂移问题，同时生产成本低于 PU 填充的 PWRC 型号，性价比突出 二、电梯专用核心技术参数
参数项 详细说明 结构组成 9 个压实西鲁式外层股 + 独立钢丝绳芯；采用外层右捻 + 绳芯左捻的交叉捻工艺，股间间隙≤0.02mm，绳体圆整度≥98.5%，与曳引轮槽贴合度达 97.5% 以上 钢丝材质 电梯专用特级高碳钢（#82B 精炼级），抗拉强度波动≤28MPa，屈强比≥0.91，耐疲劳次数≥3.2×10⁶次（弯曲半径 D=10d），满足轻型电梯高频次启停的疲劳寿命需求 表面处理 1. 镀锌磷化复合处理：先磷化（增强润滑脂吸附性）后热镀锌（镀层厚 30~45μm），盐雾试验≥580h 无红锈，适配老旧小区潮湿机房、半户外小型电梯场景2. 光面浸电梯专用中速曳引脂：涂覆高粘附性、低摩擦曳引脂，摩擦系数稳定在 0.07~0.08，减少曳引轮磨损与运行噪音3. 电镀锌：仅适用于干燥无尘的小型商用杂物电梯、医用轻型电梯 直径范围 常见 8~14mm（轻型中速电梯主流规格），适配曳引轮深 U 型槽 公称抗拉强度 1770MPa（轻型电梯优选等级），兼顾高强度与韧性，抵御中速启停的冲击载荷，杜绝钢丝脆断 最小破断拉力系数 ≥0.39（满足 GB 8903-2018 强制要求），配套电梯安全系数≥13，满足 125% 超载工况的安全冗余需求 蠕变伸长率 ≤0.06%（额定载荷下运行 10⁴次），确保中高层轻型电梯平层精度≤±1.2mm 运行速度适配 最大适配电梯运行速度 3.0m/s，满足小户型住宅、老旧小区改造电梯的运输需求 三、典型性能表（1770MPa 镀锌磷化 + 中速曳引脂）
公称直径（mm） 参考重量（kg/100m） 最小破断拉力（kN） 适配电梯类型 8 24 22.8 老旧小区杂物电梯、小型医用电梯（载重 0.8t） 10 38 35.5 小户型住宅电梯（速度 1.5m/s） 14 80 74.0 小型商用电梯、老旧小区改造重载电梯（速度 3.0m/s） 四、中速轻型电梯工况核心特性
- 高性价比，适配民用批量改造项目相比 PWRC 填充芯型号，IWRC 独立钢芯省去聚氨酯填充工序，生产成本降低 15%~20%，同时保持抗旋转与抗蠕变的核心性能，是老旧小区电梯改造、安置房项目的高性价比优选方案。
- 轻量化高柔韧性，降低安装难度17 丝西鲁式股结构的轻量化设计，可降低曳引机运行负载；同时绳体柔韧性优于 19 丝、21 丝型号，在老旧小区狭小机房内布线时，可灵活弯折，无硬弯、卡阻风险，缩短安装工期，降低施工成本。
- 平稳静音，满足民用基础舒适需求面接触压实工艺消除股内钢丝微动摩擦噪音，搭配 9 股抗旋转结构，电梯运行噪音≤45dB（额定速度 2.0m/s），轿厢摆动幅度≤±3.5mm，满足普通居民的日常乘坐舒适度要求。
- 耐疲劳长寿命，减少维保频次面接触钢丝结构配合电梯专用曳引脂，钢丝绳使用寿命比普通 8 股电梯绳延长 50%~60%；中高层轻型电梯换绳周期可延长至 6~7 年，降低高空换绳的人工与设备成本。
五、电梯专用选型与维保要点
- 选型匹配要求
- 绳径与曳引轮直径比需满足 d/D ≤ 1/40（符合 GB 7588-2020 标准要求），中速电梯建议提升至 1/45，避免绳体过度弯曲导致疲劳断丝
- 槽型匹配：8~10mm 绳径适配深 U 型槽，14mm 绳径适配加宽深 U 型槽，提升曳引力，杜绝中速运行打滑风险
- 严禁用通用 9×17S-IWRC 替代电梯专用型号，两者耐疲劳性能、抗旋转性能差异显著
- 维保关键事项
- 润滑管理：仅可使用电梯专用中速曳引脂，禁止使用普通钢丝绳润滑脂（易流失、导致干磨）；脂层厚度保持 0.2~0.3mm，补脂周期建议为 9 个月 / 次
- 报废判定：出现以下情况立即更换（符合 GB 8903-2018）：① 单股断丝数≥2 根；② 绳径磨损≥4%；③ 钢丝绳出现锈蚀、变形、松股、跳丝
- 更换周期：建议每 6~7 年强制更换（或运行里程达 65 万 km），中高层轻型电梯换绳需采用专业小型高空作业设备，避免绳体弯折损伤
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common problem
Q
What kind of lubricant can prevent wire rope damage?
A
First, the smooth oil has good fluidity and soaking ability, allowing it to quickly enter the inside of the rope and the rope core when the wire rope is smooth pretreated, and can play a role in preventing bacteria from multiplying inside the rope core fibers.
Second, the lubricating oil adhered to the wire rope will not be easily wiped off, and the smoothing effect will not be affected within the specified temperature range. In addition, the lubricating oil with adhesive function can also prevent skid, which provides assistance for the friction of the elevator wire rope.
Third, it has a high oil film strength, which can resist the extremely high pressure between the steel wires in contact with each other under extremely heavy load, and can also resist decomposition and transformation.
Fourth, smooth oil has high cohesion, which can avoid the dripping of smooth oil, centrifugal loss when there is no exercise, and avoid grease waste and pollution to other equipment.
Fifth, it does not contain ingredients that can cause corrosion and rust in the steel wire rope, and the effect of anti-corrosion and anti-rust is better.
Sixth, its self-correcting ability is strong. When the wire rope is used, it constantly twists and turns, which will cause the surface oil film to continuously knead and expand. This requires a soft and high-temperature oil film to maintain the rope body from cracking.
Second, the lubricating oil adhered to the wire rope will not be easily wiped off, and the smoothing effect will not be affected within the specified temperature range. In addition, the lubricating oil with adhesive function can also prevent skid, which provides assistance for the friction of the elevator wire rope.
Third, it has a high oil film strength, which can resist the extremely high pressure between the steel wires in contact with each other under extremely heavy load, and can also resist decomposition and transformation.
Fourth, smooth oil has high cohesion, which can avoid the dripping of smooth oil, centrifugal loss when there is no exercise, and avoid grease waste and pollution to other equipment.
Fifth, it does not contain ingredients that can cause corrosion and rust in the steel wire rope, and the effect of anti-corrosion and anti-rust is better.
Sixth, its self-correcting ability is strong. When the wire rope is used, it constantly twists and turns, which will cause the surface oil film to continuously knead and expand. This requires a soft and high-temperature oil film to maintain the rope body from cracking.
Q
What are the classifications of wire ropes?
A
1, electric hoist wire rope: 6 * 37 + FC- 11/13/15/17.5
2, tower crane wire rope and multi-strand non-rotating wire rope: 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, car crane does not rotate wire rope: 4V39S + 5FC- 10/12/13/14/16/17, 35W * 7-10/12/13/14/15/16/17/18/20/22
4, pile driver flat wire rope: K6K36WS + IWR-/17.5/24/26/28/30/32/34/36/40/42/46
5, rotary excavator flat wire rope: 35W * K7- 24/26/28/30/32/36/40
6, dock crane wire rope: 6 * 36WS + IWR- 17.5/19 5/21.5/24/26
7, mine wire rope 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, elevator wire rope: 8 * 19S + FC- 10/11/12/13/16
9. Hot-dip galvanized hanging basket wire rope: 4 * 31WS + PPC- 8.3/8
10. Hot-dip galvanized wire rope: 6 * 19/6 * 37/6 * 36WS/8 * 61/8 * 36WS/
11, galvanized wire rope: 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. Large diameter wire rope: above 60MM
13. Wire rope rigging (insertion, pressing, pouring, connectors, etc.):
14, coated wire rope: 2-3/3 - 4/4-5/5-6/6 - 8/8-12/12-15
15, binding wire rope: 6 * 12/6 * 15-13/14/15
The front represents the structure, and the back represents the diameter. For example: 6 * 37 + FC-11, the representative structure is 6 * 37 + FC, diameter: 11MM
2, tower crane wire rope and multi-strand non-rotating wire rope: 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, car crane does not rotate wire rope: 4V39S + 5FC- 10/12/13/14/16/17, 35W * 7-10/12/13/14/15/16/17/18/20/22
4, pile driver flat wire rope: K6K36WS + IWR-/17.5/24/26/28/30/32/34/36/40/42/46
5, rotary excavator flat wire rope: 35W * K7- 24/26/28/30/32/36/40
6, dock crane wire rope: 6 * 36WS + IWR- 17.5/19 5/21.5/24/26
7, mine wire rope 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, elevator wire rope: 8 * 19S + FC- 10/11/12/13/16
9. Hot-dip galvanized hanging basket wire rope: 4 * 31WS + PPC- 8.3/8
10. Hot-dip galvanized wire rope: 6 * 19/6 * 37/6 * 36WS/8 * 61/8 * 36WS/
11, galvanized wire rope: 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. Large diameter wire rope: above 60MM
13. Wire rope rigging (insertion, pressing, pouring, connectors, etc.):
14, coated wire rope: 2-3/3 - 4/4-5/5-6/6 - 8/8-12/12-15
15, binding wire rope: 6 * 12/6 * 15-13/14/15
The front represents the structure, and the back represents the diameter. For example: 6 * 37 + FC-11, the representative structure is 6 * 37 + FC, diameter: 11MM
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