Valve block design
Valve assembly system in which either all valves for a machine control or only individual, recurring function groups (function blocks) are arranged on a block. In both cases the block has the task of
Torque characteristic
Torque curve of hydraulic motors: The torque curve on fixed displacement motors is only dependent on the usable pressure (pressure difference) (Figure D 38 a) , on variable displacement motors on the
Closing pressure
Response pressure to close a device under defined conditions (DIN 24 312).
Switching symbols
Previous term used for symbols .
Types of friction
Distinction of types of friction according to the movement type. Sliding friction is the movement resistance between bodies whose speed is different in the contact area in terms of amount and/or direc
Low-pressure pump
Hydraulic pump used in the range between around 20 and 70 bar. These are gear pumps which perform various tasks such as generating a rapid traverse velocity or supplying a control circuit and the like
Nominal operating conditions
Conditions for which a device has been designed based on its application. The details — if not already specified in standards — are generally set out in manufacturer's catalogues and identified via th
Flag
Binary memory elements in the program memory for control devices used to store selected binary data (EDIN 19 226, Part 5). A distinction is made between non-retentive and retentive flags where the sig