中国机械工程
中國機械工程
중국궤계공정
CHINA MECHANICAl ENGINEERING
2013年
21期
2933-2937
,共5页
高速电主轴%动态阶梯过盈%有限元%应力分析%扭矩
高速電主軸%動態階梯過盈%有限元%應力分析%扭矩
고속전주축%동태계제과영%유한원%응력분석%뉴구
high speed electronic spindle%dynamic step interference%finite element%stress analy-sis%torque
以GD-栻型电主轴为研究对象，首先根据动静态过盈理论初步确定过盈形式和过盈量的大小，然后采用有限元方法对电主轴连接结构进行三维建模，研究不同主轴转速条件下，电主轴初始过盈量的变化对主轴与转子间接触面的应力分布和扭矩传递能力的影响规律。通过分析发现，随着主轴转速的升高，接触面应力和扭矩的传递能力不断减小，且主轴转速越高，扭矩减小越快，研究结果表明，采用毤66H6/s6和毤65.9H6/t6的阶梯过盈量能较好地满足工作要求。
以GD-栻型電主軸為研究對象，首先根據動靜態過盈理論初步確定過盈形式和過盈量的大小，然後採用有限元方法對電主軸連接結構進行三維建模，研究不同主軸轉速條件下，電主軸初始過盈量的變化對主軸與轉子間接觸麵的應力分佈和扭矩傳遞能力的影響規律。通過分析髮現，隨著主軸轉速的升高，接觸麵應力和扭矩的傳遞能力不斷減小，且主軸轉速越高，扭矩減小越快，研究結果錶明，採用毤66H6/s6和毤65.9H6/t6的階梯過盈量能較好地滿足工作要求。
이GD-식형전주축위연구대상，수선근거동정태과영이론초보학정과영형식화과영량적대소，연후채용유한원방법대전주축련접결구진행삼유건모，연구불동주축전속조건하，전주축초시과영량적변화대주축여전자간접촉면적응력분포화뉴구전체능력적영향규률。통과분석발현，수착주축전속적승고，접촉면응력화뉴구적전체능력불단감소，차주축전속월고，뉴구감소월쾌，연구결과표명，채용타66H6/s6화타65.9H6/t6적계제과영량능교호지만족공작요구。
A GD-Ⅱ motorized spindle was introduced herein,the magnitude of step interference was also determined based on the dynamic interference fit theory,then the finite element model of the jointed structure was built and the effect of different initial interferences was also analyzed under dif-ferent running conditions.The analysis results show that the ability to transmit torque and the con-tact stress decrease with increasing spindle speed constantly,and the higher the spindle speed will lead to greater decreases of the transmitting torque capacity.The results also indicate that usingφ66H6/s6 andφ65.9H6/t6 ladder interference magnitude can well meet the job requirements.
