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《Journal of Vibration and Shock》 2015-16
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Detecting method for alternating impact performance of compressed air electric hammer

DING Wen-si;FAN Ya-jun;DING Yuan-wen;School of Mechanical & Automotive Engineering,South China University of Technology;  
The detection of alternating impact performance of compressed air electric hammer has great significance for studying impact piston motion,analyzing product structure,testing product index,upgrading product performance,and so forth. In order to satisfy the engineering requirement,a new method was put forward to detect the impact performance of pneumatic hammer based on the electromagnetic induction theory,and a test-bed and a testing system scheme were designed. According to the testing and analysis results,the impact performance of impact piston inside the air cylinder and the motion law were detected and summed up,and related impact characteristic parameters,such as impact frequency and impact energy,were calculated accurately. The pattern of results indicates that the error between the measured value and the theoretically calculated value is within 5%. The convenient and efficient testing method and the accurate and reliable testing results provide an effective basis for performance detection and quality inspection for products.
【Fund】: 国家自然科学基金(11272122)
【CateGory Index】: TS914.5
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