What is the structure and principle of a small electromagnetic clutch for a massage chair?


Release time:

2022-05-23

Since good response performance can be obtained at the time of starting and stopping, there is a stable repeated action time. Therefore, the small electromagnetic clutch for massage chair is suitable for the integration, miniaturization and lightweight design of office equipment. Because its torque starts and disappears quickly, it ensures accurate operation.

The small electromagnetic clutch has a stable repetitive action time because it can obtain good response performance at the time of starting and stopping. Therefore, the small electromagnetic clutch for massage chair is suitable for the integration, miniaturization and lightweight design of office equipment. Because its torque starts and disappears quickly, it ensures accurate operation. The micro electromagnetic clutch has the characteristics of on, off, speed change, high frequency operation, indexing, rotation, buffer starting, overload protection and so on. Therefore, it is widely used in printers, copiers, fax machines, office equipment, communication machinery and other electronic equipment.


Adopt DC 24V. The small electromagnetic clutch of the massage chair controls the engagement and disengagement of the clutch by opening and closing the coil. When the coil is energized, a magnetic force is generated to pull into the "armature" disc, and the clutch is in an engaged state; when the coil is de-energized, the "armature" rebounds and the clutch is in a disengaged state. The micro electromagnetic clutch can obtain good response performance when starting and stopping, and the repeated action time is stable. Quick start and disappearance of torque ensures accurate operation.


The small electromagnetic clutch for the massage chair can be installed coaxially or on the shaft. Axial must be fixed. The driving part and the driven part are not allowed to move axially. When installed on the shaft, the coaxiality between the main shaft and the driven shaft shall not be greater than 0 lmm. The miniature electromagnetic clutch is Class B insulated with normal temperature rise of 40 ℃. The working temperature during the limit thermal equilibrium shall not exceed 100 ℃, otherwise the coil and friction parts are easily damaged.


Massage chair small electromagnetic clutch power supply and control circuit. The clutch power supply is generally DC 24 V (except for special orders). It consists of three-phase or single-phase AC voltage step-down and full-wave rectification. No voltage stabilization and filtering required. The power of the power supply should be more than 1.5 times higher than the rated power of the electromagnetic clutch. When using a half-wave rectified power supply, a freewheeling diode must be installed.


At present, small electromagnetic clutch has been widely used in machine tools, instrumentation, packaging, textile, paper, printing, office, woodworking, tobacco and other machinery. It has become an important implementation of mechanical automation components. It has the advantages of compact structure, simple operation, easy to realize remote centralized operation and automatic control. In recent years, with the rapid development of mechanical automation in China, the structure, performance and reliability of electromagnetic clutches are becoming more and more perfect, and the product varieties are becoming more and more complete. In order to improve the quality of aquatic products of host products, reduce costs, and improve product reliability, electromagnetic clutches and brakes should be selected and used correctly and reasonably.


Small electromagnetic clutches and brakes are important functional components in modern electromechanical products. They play the dual role of transmitting power and motion in the mechanical transmission system. It has the advantages of compact structure, convenient operation, rapid response, sensitive and reliable action, long service life, simple maintenance, and easy realization of remote centralized operation and automatic control. This is of great significance to the realization of mechatronics and the improvement of automation level and labor productivity.


Key words:

Small electromagnetic clutch


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Tianjin Lingjie Transmission

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