China 8x19S-IWRC & 8x19W-IWRC CSC High-strength traction elevator wire rope Suppliers, Factories

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China 8x19S-IWRC & 8x19W-IWRC CSC High-strength traction elevator wire rope Suppliers, Factories

Product Features:

Construction: Steel core wire rope with outer strands twisted in layers with the steel core. Preformed, smooth finish, right-hand lay, alternating lay.

Application: High-speed elevator traction rope for elevators with speeds < 4 m/s.

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Product Description

Elevator Steel Wire Rope Overview

Elevator wire rope is a critical load-bearing component. It suspends the car and counterweight, driving the elevator through friction between the traction wheel and the rope.

1. Functional Positioning

Load-bearing: Supports the entire weight of the car, load, and counterweight.
Drive: Transmits power via traction wheel friction.
Wearing Parts: Subject to repeated bending and high specific pressure during operation.

2. Structural Composition

Steel Wire: Basic strength unit requiring high toughness.
Strand: Multiple wires twisted together (Commonly 6 or 8 strands for elevators).
Rope Core: Supports strands; available in fiber (sisal, synthetic) for flexibility or steel (IWRC/CSC) for strength.

Technical Specifications

Datasheet for Reference Only

Nominal Rope Diameter (mm)	Approx. Weight (kg/100m)		Minimum Breaking Load (kN)
Nominal Rope Diameter (mm)	IWRC	CSC	Dual Tensile 1370/1770		Dual Tensile 1570/1770		Single 1570		Single 1770		Single 1960
6	14.7	-	-	-	21.4	-	20.1	-	22.7	-	25.1	-
8	26.0	24.6	35.8	34.7	38.0	36.9	35.8	34.7	40.3	39.1	44.7	43.3
10	40.7	38.5	55.9	54.2	59.5	57.6	55.9	54.2	63.0	61.1	69.8	67.6
13	68.8	65.1	94.5	91.5	100	97.4	94.5	91.5	106	103	118	114
16	104	98.6	143	139	152	147	143	139	161	156	179	173

Allowable Tolerance

Condition	Zero Load	With Load (10% of Fmin)
< 10mm	Max +3%	Min -1%
> 10mm	Max +2%	Min -1%

Frequently Asked Questions

What are the main types of elevator wire ropes?

Common types include suspension ropes for the car/counterweight, speed governor ropes for safety triggers, and compensation ropes for balancing weight.

Why is fiber core (SFC) used in elevator ropes?

Fiber cores increase the flexibility of the rope and act as a reservoir for lubricating oil, which reduces internal friction and wear.

What is the advantage of 8-strand over 6-strand ropes?

8-strand ropes generally offer better flexibility and a smoother contact surface with the traction wheel, though 6-strand ropes may provide higher wear resistance.

What technical requirements must elevator ropes meet?

They must possess high tensile strength, excellent bending fatigue resistance, and high wear resistance to handle friction in the rope grooves.

How does diameter tolerance affect performance?

Strict diameter tolerance ensures the rope fits perfectly in the traction wheel grooves, maintaining consistent friction and preventing premature wear of both the rope and the wheel.

What is dual tensile strength in wire ropes?

Dual tensile refers to using wires of different strength grades (e.g., 1370/1770 MPa) within the same rope to balance external wear resistance and internal fatigue life.

Product Detail

China 8x19S-IWRC & 8x19W-IWRC CSC High-strength traction elevator wire rope Suppliers, Factories

Product Description