弧齿锥齿轮精锻成形模具磨损特性分析  

Analysis of Die Wear for Precision Forging of Spiral Bevel Gear

作　　者：罗善明[1] 何旺枝[2] 薛冰[3] 赵军[1] 

机构地区：[1]厦门理工学院机械工程系,福建厦门361000 [2]湖南科技大学机电工程学院,湖南湘潭411201 [3]黄河水利职业技术学院机电系,河南开封475000

出　　处：《机械传动》2011年第1期52-54,65,共4页Journal of Mechanical Transmission

基　　金：国家自然科学基金(50975242);教育部新世纪优秀人才支持计划;福建省科技计划重点项目(2010H0019);福建省自然科学基金(2009J01268);厦门市科技计划项目(3502Z20093038)

摘　　要：采用刚塑性有限元法对弧齿锥齿轮精锻成形过程中模具表面磨损进行模拟分析,研究了摩擦因数、坯料温度、模具硬度、锻压速度等对模具磨损的影响。分析结果表明,随着摩擦因数的增大,磨损量增大;随着锻压速度、坯料初始温度及硬度的增大,磨损量减小,并且硬度是影响模具表面磨损量最重要的因素。模拟结果可为弧齿锥齿轮精锻成形工艺方案制定及模具寿命预测等提供理论依据。Rigid-plastic finite element method is used to analyze the wear of the teeth cavity in the process of the warm forging of spiral bevel gear,Friction condition,workpiece temperature,forging speed and die hardness are investigated.From the investigation,the wear increases with the increase of the friction coefficient and decreases with increase of the forging speed,the workpiece temperature and hardness.And the hardness has most important effect on wear extent of die surface.All the studies may provide the reference for the technology process programming and service life of dies.

关 键 词：弧齿锥齿轮 精锻 模具 磨损 数值模拟 

分 类 号：TG61[金属学及工艺—金属切削加工及机床]