How to choose steel wire ropes for elevators? Pay attention to these points when purchasing steel wire ropes for elevators

Pubdate:

2023-11-06

How to choose steel wire ropes for elevators? It is important to choose the steel wire rope for elevators to ensure the safety and smoothness of their use. How to choose a steel wire rope for elevators in order to avoid incorrect selection of steel wire ropes that may affect their service life? Let's take a look together!

Select steel wire rope according to type

The same type of steel wire rope used in elevators can be divided into four different types based on specific purposes and installation locations, namely traction rope, speed limiter rope, compensation rope, and door elevator rope.

Among them, the speed limiter rope is the connecting bridge between the speed limiter and the safety gear, which usually follows the operation of the car. Generally, 6 * 19 and 8 * 19 synthetic fiber core steel wire ropes are used.

Compensation ropes are mainly used to balance the weight of other elevator steel wire ropes and ensure stable and stable operation of the car. Generally, 6 * 29F and 6 * 37M fiber core steel wire ropes are used.

The door crane rope is mainly used for opening and closing elevator doors, usually using 6 * 7 and 6 * 19M galvanized steel core wire ropes.

Select the drag rope according to the application scenario

Among the various types of steel wire ropes used in elevators, traction ropes are a relatively important category and a key point for regular safety maintenance and maintenance. Regarding how to choose steel wire ropes for elevators, the selection and consideration of traction ropes are also relatively complex compared to the other three types. Application scenarios such as elevator speed and floor height are all factors that need to be considered when selecting steel wire ropes.

Among them, elevators with a speed of ≤ 2.5m/s and a floor height of ≤ 150m generally choose 8 * 19 natural sisal core steel wire ropes, which have good oil storage and support properties and are comfortable to ride.

If there are higher requirements for the smoothness of elevators, polymer core steel wire ropes can also be selected, which have good diameter uniformity, breaking load, and fatigue life.

If there are high requirements for the matching elevator speed and floor, then the steel core/mixed core steel wire ropes of categories 8 * 19 and 9 * 19 have good diameter uniformity and small scalability, which can effectively meet the usage needs.

Choose a steel wire rope manufacturer with good maintenance services

According to the statistics of China Elevator Association, as of the end of 2020, the number of elevators in China has reached 7.745 million. The huge foundation of elevator ownership and the gradual improvement of elevator safety maintenance awareness directly drive the huge potential of the demand for elevator maintenance market in use.

At present, relatively good steel wire rope manufacturers are continuing to devote themselves to the development of the maintenance market, providing customers with more professional supporting and installation services. Therefore, when considering how to choose steel wire ropes for elevators, it is also advisable to choose manufacturers with better maintenance services to solve future concerns.

How to choose steel wire ropes for elevators? In addition to the above points, the diameter, strength, and breaking force of the steel wire rope are also key points that need to be noted, which need to be determined based on specific accessory requirements and analyzed in conjunction with specific scenarios.

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