The combination of the traditional pipe-bending technology and the CNC technology of machine tool there is no fixed size and material specifications. Moreover,make the pipe bending process automation. However,the non-...The combination of the traditional pipe-bending technology and the CNC technology of machine tool there is no fixed size and material specifications. Moreover,make the pipe bending process automation. However,the non-linear relationship between the bending moment and the sizes brings troubles in choosing an electric ma-chine of the CNC pipe-bending device. Therefore, this paper presents a formula to calculate the pipe-bending mo-ment, for improving the calculating efficiency and reducing the testing cost. The numerical simulation and experi-mental test were carried out to verify the accuracy of the formula, respectively. The result shows that the presentedformula is effective in solving the engineering problems.展开更多
基金supported by Torch Plan of Ministry of Science and Technology,(No. 2012GH571660)
文摘The combination of the traditional pipe-bending technology and the CNC technology of machine tool there is no fixed size and material specifications. Moreover,make the pipe bending process automation. However,the non-linear relationship between the bending moment and the sizes brings troubles in choosing an electric ma-chine of the CNC pipe-bending device. Therefore, this paper presents a formula to calculate the pipe-bending mo-ment, for improving the calculating efficiency and reducing the testing cost. The numerical simulation and experi-mental test were carried out to verify the accuracy of the formula, respectively. The result shows that the presentedformula is effective in solving the engineering problems.