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Intended signal setting of storage elements in a control device as a prerequisite for the implementation of the program. In the signal range an intended signal state as the prerequisite for the realis

They represent characteristic operating pressure-time curves for cylinders and make it easier to categorise cylinders with widely varying requirement profiles in relation to their load. Five basic loa

Reduction of the piston velocity at one or both ends of the stroke to reduce mass forces. If the ends of the stroke are at the end positions of the piston, end position damping is used, which requires

Solenoid , that works with alternating current (Figure W 3). AC solenoids have a shorter switching time than DC solenoids, greater tensile force and a simpler construction design. The disadvantage is

Speed, at which the correcting variable is changed (DIN 19 226).

Characterises the number of particles present in hydraulic fluid . Purity classes are stated either in filter classes according to NAS 1638 — which specifies the permitted particle numbers in five par

Used as flat and round seals . In order to provide a tight seal, they must undergo plastic deformation, which enables them to fill up any surface roughness . This is why they can only provide a tight

Branch of hydraulics . Concerned with the generation and transmission of energy and signals via the static pressure associated with a fluid. This is why, compared with hydrokinetics , the pressure ran

Feedback of the pressure for the purpose of stabilising a . In general this feedback operates as a secondary loop.

Illustration of a system with symbols (previously: switching symbols) to illustrate the order of the individual devices and their functional workflow. The circuit diagram must therefore allow the iden