Elevator nylon wheels are important components in the elevator operation system, possessing a variety of characteristics and applications. The following is a detailed introduction about them:
Characteristics:
High mechanical strength: They have relatively high toughness and lower tensile and compressive strengths. Their tensile strength is similar to the yield strength and is more than twice that of common plastics like ABS. They have a strong ability to absorb impacts, deformations and vibrations, and can withstand various stresses during the operation of the elevator.
Good fatigue resistance: The fabricated parts can still maintain their original mechanical strength after being repeatedly bent many times, making them suitable for application in equipment like elevators that are used for a long time and frequently.
Low friction coefficient: The surface is smooth, and they have self-lubricating properties when used as moving mechanical components. They can be used without lubricants when the friction is not too high. This not only reduces the frictional resistance during the operation process and decreases energy consumption but also helps to lower the noise.
Corrosion resistance: They are highly resistant to alkalis and most salt solutions, and also resistant to weak acids, engine oil, gasoline, etc. They are inert to aromatic compounds and have good anti-aging ability, enabling them to adapt to various complex environments inside the elevator.
Good electrical insulation: Nylon has a very high volume resistance and high withstand voltage for penetration. It can still maintain good electrical insulation in a humid environment, ensuring the electrical safety of the elevator.
Light weight: Compared with traditional metal wheels, nylon wheels are lighter in weight, which is convenient for installation and maintenance. Meanwhile, they also reduce the overall weight of the elevator and lower the energy consumption during the operation of the elevator.
Application Scenarios:
Guide Wheels: In the elevator's guiding system, nylon guide wheels play a role in guiding the car and the counterweight device to run smoothly along the guide rails. They can increase the distance between the wire ropes, separate the counterweight and the car, and ensure the correct operation of the elevator in the vertical direction.
Deflector Sheaves: Deflector sheaves are usually installed on the top of the elevator car and at the bottom of the counterweight device to change the direction of the wire ropes. Nylon deflector sheaves can reduce the wear on the wire ropes and extend their service life.
Car Roof Wheels: Located on the top of the elevator car, they cooperate with the traction wheel and the wire ropes to jointly realize the lifting and lowering movements of the car. Nylon car roof wheels have good wear resistance and shock absorption performance, which can improve the running smoothness and comfort of the elevator.
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