【摘要】 针对PCB生产过程中因钻床高速加工频繁启停,而对钻床产生冲击,以至影响稳定性的问题,对钻床各轴的运动模式重新进行了规划设计。在满足工作要求的前提下,对梯形曲线及三角形曲线进行了优化得到最佳加加速度。在考虑加加速度、最大加速度、最大速度的情况下,根据实际加工距离,将运动模式归纳为4种简单参考模型。利用CPAC所提供的PVT运动模式,将4种模型一一对应到PVT模式各参数。利用CPAC提供的软件开发平台Oto Studio软件上进行了程序开发。利用CPAC提供的硬件平台GUC-400运动控制器配合所选电机进行了试验。试验结果表明,不同加工距离可以对应到不同的参考模型,并且加速度曲线呈一次连续曲线,速度曲线呈二次平滑曲线,从而证明所研究的规划方案可以实际有效地减小钻床加工时的冲击,增加钻床稳定性。更多还原

【Abstract】 During the frequent start-stop in the high speed production process,the impact was made to influence the stability of the drilling machine. Aiming at solving this problem,a design of movement patterns of each drilling machine axis was made. On the premise of meeting the job requirements,the best jerk was gotten by optimizing the trapezoidal curve and the triangle curve. By considering jerk,maximum acceleration and top speed,the movement pattern was corresponded to four types of reference model due to the actual distance; then by using the CPAC PVT movement pattern,the four types of model were corresponded to the parameters of PVT mode. The whole process was conducted on the software platform of Oto Studio provided by CPAC; then the test was conducted on the hardware platform of CPAC GUC-400 motion controller with the selected motor. The experimental results indicate that different processing distance can be corresponded to different reference model,the acceleration curve is a continuous curve and the speed curve is a smooth quadratic curve. Then the research planning is proved to be an effective design to reduce the impact of the drilling process and to increase the stability of drilling machine.更多还原