摘要
针对滚珠丝杠感应加热过程中齿顶与凹槽温度分布不均的问题,提出一种渐进式双频感应加热工艺优化方法。通过构建多物理场耦合有限元模型,系统地研究了双频协同加热模式下,电流频率、电压和线圈扫描速度等参数配比对温度场均匀性的影响规律。结果表明,采用低频(500 Hz/75 V)预热与中频(2000 Hz/70 V)二次加热的协同模式,结合12 mm/s等速扫描工艺,能够使齿顶与凹槽温差控制在26℃以内,同时使齿顶与凹槽有效加热层深度分别满足5~8 mm和3~4 mm的技术要求。相较于常规单频工艺,该方法可显著改善齿顶与凹槽温度分布不均的问题,与仿形感应加热工艺水平相当。
Aiming at the non-uniform temperature distribution between the tooth crest and groove of ball screw during induction heating,a progressive dual-frequency induction heating process optimization method was proposed.A multi-physics coupled finite element model was established to systematically investigate the influence of parameter combinations(current frequency,voltage,and coil scanning speed)on temperature field uniformity under dual-frequency cooperative heating.The results demonstrate that the synergistic mode combining low frequency preheating(500 Hz/75 V)and medium frequency secondary heating(2000 Hz/70 V),coupled with a constant scanning speed of 12 mm/s,effectively controls the temperature difference between the tooth crest and groove within 26℃.Simultaneously,the effective heating layer depths of the tooth crest and groove meet the technical requirements of 5-8 mm and 3-4 mm,respectively.Compared with conventional single-frequency processes,this method significantly improves the non-uniform temperature distribution between the tooth crest and groove,achieving performance levels comparable to profiling induction heating process.
作者
陈宝凤
李明哲
张文良
李贤君
孙立壮
姜超
闫牧夫
Chen Baofeng;Li Mingzhe;Zhang Wenliang;Li Xianjun;Sun Lizhuang;Jiang Chao;Yan Mufu(China Academy of Machinery Beijing Research Institute of Mechanical&Electrical Technology Co.,Ltd.,Beijing 100083,China;School of Materials Science and Engineering,Harbin Institute of Technology,Harbin Heilongjiang 150001,China)
出处
《金属热处理》
北大核心
2025年第8期246-253,共8页
Heat Treatment of Metals
关键词
滚珠丝杠
GCR15钢
双频感应加热
数值模拟
ball screw
GCr15 steel
dual-frequency induction heating
numerical simulation
