The factors causing abnormal noise from stage electric hoists can be multifaceted. Here are some potential causes:

Mechanical Wear and Tear:

Over time, the moving parts of the electric hoist, such as gears, bearings, and chains, may wear down, leading to increased friction and noise.

Regular maintenance and lubrication can help reduce wear and tear and minimize noise.

Improper Installation or Alignment:

If the electric hoist is not installed correctly or if it is not aligned properly with the truss or other structures, it can cause vibrations and noise.

Ensuring that the hoist is securely mounted and properly aligned can help reduce noise.

Unbalanced Loads:

Lifting unbalanced or heavy loads can cause the hoist to vibrate and make noise.

Ensuring that loads are balanced and within the hoist's capacity can help prevent this.

Defective Components:

Faulty or damaged components, such as motors, brakes, or gearboxes, can cause abnormal noise.

Regular inspections and replacing defective components can help maintain the hoist's performance and reduce noise.

Environmental Factors:

External factors such as wind, temperature changes, or vibrations from nearby equipment can also affect the performance of the electric hoist and cause noise.

Taking measures to isolate the hoist from external influences, such as using vibration isolators or soundproofing materials, can help reduce noise.

Operational Errors:

Incorrect operation of the electric hoist, such as over-speeding or sudden stops, can cause vibrations and noise.

Providing training to operators on proper use and maintenance of the hoist can help prevent operational errors and reduce noise.

The main equipment produced by Hebei Makita: stage electric hoist, electric chian hoist, wire rope electric hoist，Hand chain hoist, lever hoist, pneumatic hoist and other lifting equipment