轴向超声振动车削316L不锈钢试验研究  被引量:1

Experimental Study of Axial Ultrasonic Vibration Turning 316L Stainless Steel

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作  者:朱健 殷振 张坤 张鹏 ZHU Jian;YIN Zhen;ZHANG Kun;ZHANG Peng(College of Mechanical Engineering,Suzhou University of Science and Technology,Suzhou Jiangsu 215009,China)

机构地区:[1]苏州科技大学机械工程学院,江苏苏州215009

出  处:《机床与液压》2022年第24期1-8,共8页Machine Tool & Hydraulics

基  金:国家自然科学基金青年科学基金项目(51905363);江苏省自然科学基金(BK20190940);江苏省高等学校自然科学研究面上项目(19KJB460008);中国博士后科学基金(2019M661914)。

摘  要:对316L不锈钢进行轴向超声振动车削和普通车削单因素对比试验,研究超声振幅和加工工艺参数(切削速度、进给量)对切削力和表面粗糙度的影响规律。试验结果表明:轴向超声振动车削能够有效降低切削力、表面粗糙度和表面轮廓高度;与普通车削相比,采用轴向超声振动车削加工方式,超声振幅越小,表面粗糙度的改善效果越明显;当进给量由5μm/r增加到25μm/r,轴向超声振动车削的主切削力降低了17%~21%,表面粗糙度降低了21%~28%;随着切削速度的增大,轴向超声振动车削的表面粗糙度和切削力先下降后上升,存在最佳切削速度范围,表面粗糙度最多可降低29.9%,切削力最多可降低30.1%。A single-factor comparison experiment of axial ultrasonic vibration turning and conventional turning of 316L stainless steel was carried out,and the influences of the ultrasonic amplitude and processing parameters(cutting speed,feed)on cutting force and surface roughness were studied.The experimental results show that using axial ultrasonic vibration turning can effectively reduce the cutting force,surface roughness and surface profile height;compared with conventional turning,the smaller the ultrasonic amplitude is,the more obvious the improvement effect of surface roughness is;when the feed rate is increased from 5μm/r to 25μm/r,the main cutting force and surface roughness of the axial ultrasonic vibration turning are reduced by 17%~21% and 21%~28% respectively compared with conventional turning;with the increase of cutting speed,the surface roughness and cutting force of the axial ultrasonic vibration turning firstly decrease and then increase,and there is an optimal cutting speed range,and the surface roughness can be reduced by 29.9%,and the cutting force can be reduced by 30.1%.

关 键 词:轴向超声振动 超声车削 316L不锈钢 表面粗糙度 切削力 

分 类 号:TG506􀆰5[金属学及工艺—金属切削加工及机床]

 

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