Abstract
The research is devoted to the study of the processes occurring when the hand-held machine is machined by the impactor and their effect on the operator’s work. To calculate the level of force impact for performing operations and to evaluate the transmitted vibration from the machine body to the hands of the operator, a model for interaction of the operator-machine-workable system, which is universal for any processed material, was created. The working cycle of the machine is divided into six main phases, for which the main energy indicators are determined. The calculation of the vibration acceleration of the machine body at different stages of the working cycle is made, the most vibro-dangerous phases of the cycle are identified, the elements of the machine are identified that need new design solutions, a layout scheme is proposed, at which the area of the vibration damper is significantly increased and the impact of the striker on the body of the machine is significantly reduced in the return stroke.
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