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Abstract：
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Forming mechanism and cracking reasons of the fuel tank bracket were analyzed.The cracking was due to the very fast deformation and the material deformation stress was not released during the tensile deformation of material.To change this status the speed of deformation was controlled,which was to control the stamping process of hydraulic machine.Using advanced control technology of PLC,timely controlling the drive circuit of the machine,it maked hydraulic machine to complete the stretch forming of fuel tank bracket in accordance to material stress release during the stamping process in chronological order,and thus the cracking phenomenon could be eliminated.
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Funds：
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汽车托架在成形过程中消除裂纹的系统研发(102-61052161)
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AuthorIntro：
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Reference：
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[2]白爱英.对拉伸试验测试金属材料强度的探讨[J].机械工程与自动化,2004,(3):90-91.
[3]林小峰.可编程控制器原理及应用[M].北京:高等教育出版社,1994.
[4]郑胜利,傅素芳.PLC在齿轮加工机床电气控制方面的应用[J].平原大学学报,2006,21(3):42-43.
[5]王炳实.机床电气控制[M].北京:机械工业出版社,1999.
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