1.根据弹簧的技术要求，调整弹簧的振幅和频率。

1. according to the technical requirements of the spring, adjust the amplitude and frequency of the spring.

2.液晶汉字显示，试验次数和频率根据要求可输入程序，自动完成。

2. LCD Chinese character display, the number and frequency of test can be input according to the requirements of the program, automatically completed.

3.预置试验次数自动停机。

3. preset test times automatic stop.

4.由电机、减速机连接凸轮带动连杆做往复运动，实现对弹簧的压缩运动。

4. the connecting rod is connected with the cam by the motor and the reducer to drive the connecting rod to do reciprocating motion, so as to realize the compression motion of the spring.

5.操作简单，运行可靠稳定。

5. simple operation, reliable and stable operation.