System Tolerances And Designs

System Tolerances And Designs

The sliding surface where the sealing element will work must be ground or honed. The shafts are plated with hard chrome, ground and polished. Hydraulic cylinder parts can be manufactured from steel, special steel alloys, cast steel or special engineering plastics.
In hydraulic cylinders, depending on the type of sealing element and the requirements of the application, examples of drawing of the throat wedge and piston head in different designs are shown below.