摘要
为设计节块式磨盘地貌、提高金刚石磨盘的磨削加工质量,从研究磨削轨迹特征入手,利用Matlab软件对节块式磨盘磨料的运动轨迹进行仿真。以磨料磨削轨迹密度为评价依据,通过仿真正交试验优化了电机转速、工件进给速度、磨盘节块数量等参数,然后对排布角度进行单因素优化仿真试验,并通过20钢磨削实验对仿真结果进行验证。结果表明:增加电机转速和节块数量,减小工件进给速度,适当增加排布角度能提高磨削轨迹密度;电机最佳转速为11 000r/min,工件最佳进给速度为10mm/s,节块最佳数量为18块,在上述参数条件下获得的排布角度最佳值为40°。
In order to design the topography of segmental diamond grinding disc（SDGD） and improve its grinding quality, the trajectory simulation of abrasive grains is conducted by Matlab. Wtih the trajectory density of abrasive grains as an evaluation criterion, the parameters about the motor speed, the workpiece feed rate and the number of diamond segments are optimized by simulation using the orthogonal test. Moreover, simulation test on the setting angle of diamond segments is carried out and the grinding test of SDGD is operated on steel 20 to verify the simulation results. The results show that the trajectory density goes up with the increase of the motor speed and the number of diamond segments. Meanwhile, reducing the workpiece feed rate and increasing the setting angle of diamond segments suitably can also increase the trajectory density. In the condition of the optimum parameters with motor speed n =11 000 r/min, feed workpieee rate vw = 10 mm/s and number of diamond segments N=18, a=40° is proved to be the optimum setting angle of diamond segments.
出处
《金刚石与磨料磨具工程》
CAS
2014年第2期6-10,共5页
Diamond & Abrasives Engineering
基金
江苏省产学研前瞻性联合研究项目(项目编号:BY2011102
BY2012010
BY2012013
BY2012015
BY2013003–04
BY2013003–14
BY2013003–15)
江苏省普通高校研究生科研创新计划资助项目(CXLX13–140)
关键词
金刚石磨盘
节块
轨迹仿真
diamond grinding disc
segment
trajectory simulation
