In a nutshell，Stepless speed regulation is a relatively smooth speed regulation.,Stepped speed regulation is speed regulation with gears.。

The tortoise and rabbit knob on the control panel in the platform frame of the Jierjie arm car is the stepless speed regulation button.，Provides continuous speed adjustment。

Advantage

Simple and comfortable -- The operator does not need to adjust parameters through a complex internal system to control the speed，You can adjust the most comfortable speed at any time according to your own operating habits.。

Safe -- When approaching the working face，Adjust the speed to the lowest，Collision can be effectively avoided.，Protect the platform、Operator and working face。