Pistons are an indispensable component of guardrail pile drivers, and if they encounter problems, it can affect the operation of the pile driver. So, what causes the pistons in guardrail pile drivers to slip?

1.Internal hydraulic cylinder stagnation

The internal components of the hydraulic cylinder are not correctly installed due to public service, parts deformation, wear, or being overly constrained. Because of excessive resistance to movement, the speed of the hydraulic cylinder's piston differs from the direction of the stroke, indicating slipping or jamming. The fundamental reason is the poor quality of component equipment and external surfaces being scratched or sintered, leading to increased electrical resistance and reduced speed.

2. Hydraulic pump or cylinder air ingress

Whether it's compressed air or expanded air, both can cause piston slippage or damage. The hydraulic pump of the guardrail pile driver is equipped with a special exhaust device that can operate several full strokes quickly so that it can enter the hydraulic pump or cylinder.

3. Poor machining of the hydraulic cylinder diameter

The piston of the guardrail pile driver's hydraulic cylinder and the hydraulic cylinder itself, as well as the guide, are in relative motion. Differences in hole machining will increase wear and linearly reduce the cylinder's centerline, so when the piston works within the hydraulic cylinder, the frictional resistance will be very high. In a short time, this may lead to slipping or crushing.