Transactions of Materials and Heat Treatment

Title：Design and mechanical property analysis on roll-bending equipment for small-diameter split sleeve

Authors： Jia Yinhang Song Guizhen Qu Shuaihua

Unit： Taiyuan University of Technology

KeyWords： small-diameter split sleeve two-axle roll-bending roll-bending equipment finite element analysis servo control

ClassificationCode：TG333

year,vol(issue):pagenumber：2017,42(5):86-90

Abstract：

For a small-diameter split sleeve, the two-axle flexible roll-bending technique was determined by comparing the forming characteristics of various bending machines. Then, the forming principle of two-axle flexible roll-bending technique was introduced, and a set of servo control special forming equipment was designed based on the two-axle flexible roll-bending technique. Furthermore, the stress and deformation of the whole machine and the upper roller were analyzed by finite element method. The results show that the largest stress occurs on the bolt connection positions between the left rear column and base, which is 310.01 MPa and less than the yield strength of 640 MPa. The stress of other parts of the whole machine is less than 84 MPa and the deformation is small, which can meet working requirements. However, the maximum stress value of the upper roller is 83.086 MPa, which is much less than the yield strength of 785 MPa. And its maximum deformation is 0.16229 mm. The deformation is small so that it can also meet the requirements of stiffness.

Funds：

山西省自然科学基金资助项目(2013011024-1)

贾银行（1991-），男，硕士研究生宋桂珍（1964-），女，博士，副教授

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