针对国内还未制造出功能完善的钢球外观检验机现状，我们设计出了一种基于可编程控制器的钢球外观检验控制系统。

We aimed at the status quo that our country had not produced one machine including all the functions of steel-ball facies inspection and designed the system based on PLC.

youdao

钢球硬度检验方法简单，被检验的钢球无任何损伤，分检正确率100％；

The method for testing the hardness of the steel balls is simple, the tested steel balls can not be damaged, and the sorting correct rate is 100 percent;

youdao

钢球硬度检验方法简单，被检验的钢球无任何损伤，分检正确率100％；

The method for testing the hardness of the steel balls is simple, the tested steel balls can not be damaged, and the sorting correct rate is 100 percent;

youdao