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Design of adjustment device for tool deformation of shears
Published:2016-01-28 author:LI Bo quan, XV Jun cheng, ZHANG Xi liang, SHI Wei chao Browse: 3970 Check PDF documents

 Design of adjustment device for tool deformation of shears

 
 
LI Bo quan, XV Jun cheng, ZHANG Xi liang, SHI Wei chao
 
(School of Mechanical Engineering, Jiangsu University, Zhenjiang 212013, China)
 
 
Abstract: Aiming at currently the low adjustment efficiency and the large error of ultra large shears′ tool edge because of the manual adjustment and the artificial factor influence on the adjustment results of the cutting edge, the important factors influencing the deformation of sheet metal shear edge in cutting process were researched, the stability factors of affecting the device adjusting the tool deformation of shears were analysed, and the device adjusting the tool deformation of shears was designed, which is used to check the strength and deformation of key parts under the work requirement. By the finite element analysis method, the structural strength of the adjustment device and the deformation of the work were verified. Through the finite element analysis, it is shown that the maximum displacement of the whole device was 0.75mm within the allowable error range (2mm), and the maximum stress was 170MPa, which is lower than that of the maximum allowable stress 235MPa under the load torque.The results indicate that the structure of the shears′ adjusting device for tool deformation adjustment is reasonable and stable, and it can meet the requirements of automatic adjustment when the shear is working.
 
Key words: shears; cutting tool deformation; adjusting device; finite element analysis
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