WHEN A CYLINDER WON'T MOVE--Troubleshooting hydraulic, pneumatic systems

摘要

REGARDLESS of the type of machine you have, whether hydraulic or pneumatic, chances are the control circuits for the cylinders are very similar: Whether the machine bends, cuts, or forms, the control circuit doesn't vary much from one machine to the next. As far as the cylinder's motion is concerned, two parties are responsible: the machine tool builder, which is responsible for getting the cylinder to move, and your company's maintenance department, which is in charge of keeping it moving. This is where troubleshooting knowledge is invaluable. If the cylinder stops moving and refuses to budge, a little troubleshooting knowledge can go a long way.When this happens, the first question you should ask is whether the problem is mechanical or electrical. The answer tells the maintenance staff which path to take.