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Research on One-shot Drilling of CFRP/2A12 Laminated Structure
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作者 LI Wanping WANG Kexin BAO Yongjie 《纤维复合材料》 CAS 2020年第3期9-13,共5页
CFRP/2A12 laminated structure due to the large difference in the properties of the material,very easy to produce defects when making holes,affecting the quality of the workpiece,and thus the connection performance of ... CFRP/2A12 laminated structure due to the large difference in the properties of the material,very easy to produce defects when making holes,affecting the quality of the workpiece,and thus the connection performance of the two materials.The root cause of the poor quality of CFRP/2A12 laminated structure is the difference in material removal mechanism and the complexity of tool processing conditions.Therefore,this paper analyzes the effects of different process parameters on the pore-forming quality of the laminated material through experiments,reveals the change law of cutting force of the CFRP/2A12 laminated structure,and determines the optimal process parameters.The results show:The axial force generated by the drill when it enters half of CFRP is the largest,which is much larger than the axial force generated when drilling 2A12 aluminum alloy plate,and the thickness of the laminated metal plate is great for drilling.The hole formation sequence of the laminated structure has a significant effect on the cutting force.The axial force when the laminated sequence is CFRP/2A12 is smaller than when the laminated sequence is 2A12/CFRP. 展开更多
关键词 CFRP/2A12 laminated structure the pore-forming quality process parameters
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