What are the common vibration operations? What is it??
The impact of vibration on human body can be divided into whole body vibration and local vibration. Whole body vibration is mainly caused by the vibration source (vibration machine, vehicle, moving work platform) passing through the support part (foot and hip) of the body, spreading the vibration along the lower limbs or trunk and causing vibration. The vibration is transmitted to the operator's hands and arms through the vibration tool, vibration machine or vibration workpiece.
The frequency range of whole body vibration is mainly 1Hz~20Hz. The frequency range of local vibration action is 20Hz~1000Hz. The above division is relative. In a certain frequency range (such as below 100Hz), there are both local vibration and whole body vibration.
1. Local vibration operation: It mainly refers to various types of work using vibration tools, such as sand riveter, forger, driller, tamper, grinder, and users of electric saw and planer.
2. Whole body vibration operation: mainly the operators of vibrating machinery. For example, the source operator of the source truck and the operator of the truck mounted drilling rig; The generator workers in the drilling generator room and the vibration workers on the field mobile equipment such as the tractor operators for seismic operations and pre drilling operations, such as the forgers.
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