在工厂里,各种工件的计数,是生产和管理中必不可少的环节。在大批量、连续性的生产中计数,常采用计数器来完成。常用的计数器有二大类: 1.齿轮传动式计数器如长城75—Ⅱ型之类的直接拨动计数器、JD6—Ⅳ型之类的电磁计数器。接收信号后,通过机械运算和记忆,比较可靠。但不足的是,其显示为数轮上的数字,字体小、夜间难辨。改变进位制时,必须改变相应数轮上的齿数。 In the factory, the counting of various workpieces is an indispensable link in production and management. In high-volume, continuous production count, often using counters to complete. Commonly used counters have two categories: 1. Gear-driven counters such as the Great Wall 75-Ⅱ-type such as direct dial counter, JD6-Ⅳ type of electromagnetic counter. After receiving the signal, through mechanical computing and memory, more reliable. But not enough is that it is displayed on the number of rounds, small font, difficult to distinguish at night. When changing the carry system, the number of teeth on the corresponding number of wheels must be changed.