芯轴摩擦系数对空心件正挤压力影响的仿真研究  

Simulation Study On the Friction Coefficient of Core Shaft to Forward Hollow Extruding Force Influence

作　　者：张玉新[1] 李勇[1] 上官林建[1] 齐新华[1] 

机构地区：[1]华北水利水电学院,河南郑州450011

出　　处：《模具制造》2007年第5期36-38,共3页Die & Mould Manufacture

摘　　要：主要对锭脚空心正挤过程中芯轴摩擦系数对20钢成形的影响进行有限元分析。并以挤压力为验证对象,将模拟值、图算法和经验公式法结果相比较,验证了三维数值模拟的可靠性,从而为纺机锭脚零件的模具设计及生产和实验研究提供了理论依据。Mainly analyzed the influence of the core shaft friction coefficient to spindle-foot forward hollow extruding to 20 steels forming.and took the extruding pressure as the confirmation object,compared on the value of simulate,diagram algorithm and experience formula,had confirmed reliability of 3D numerical simulation,and offered the theory bases for spindle-foot parts design and test of experiment and production.

关 键 词：芯轴 摩擦系数 挤压力 有限元法 

分 类 号：TG376[金属学及工艺—金属压力加工]