我们在M131外圆磨床上,实现微机闭环控制.它一方面要求将测量值的模拟信号输入计算机进行比较计算,然后根据计算结果发出脉冲信号,控制砂轮进给量.另一方面要把工件在磨削过程中的测量值连续显示出来,使操作者不必经常测量尺寸.磨床的加工精度高,测量值0.001mm感应的模拟信号是很微弱的,要将很微弱的信号转换为数字信号,确保精度是比较困难的.因此我们充分利用数字面板表F7107 3(1/2) We M131 cylindrical grinder to achieve closed-loop computer control.On the one hand it requires the measured value of the analog signal input to the computer for comparison and calculation, and then issued a pulse signal according to the calculation to control the amount of wheel feed.On the other hand, The measured values ​​during the grinding process are continuously displayed so that the operator does not have to constantly measure the dimensions. The grinding machine has a high accuracy of machining and the measured value of 0.001 mm is very weak. The analog signal to be sensed is very weak, and the weak signal is converted into a digital signal Accuracy is relatively poor, so we make best use of digital panel meter F7107 3 (1/2)