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Circular ring with an almost perfectly round cross section which is mainly used in fluids technology to seal machine parts when at rest ( Figure O 11 ). Its sealing action is achieved through axial or

Characteristic whereby every genuine fluid reduces in volume under pressure. The compressibility associated with mineral oil is also dependent on the temperature and the kind of change of state involv

strain gauge made of an approx. 5 μm thick metallic measuring grid (as a rule constantan or Modco) cut in a zig-zag pattern that is sensitive to strain in the longitudinal direction. Thin foil strain

Control deviation

A series of different consumers is supplied with hydraulic oil from a central drive station (Figure Z 4a) and (Figure Z 4b). As a result, the total performance to be installed does not need to be spec

Circuits with the aim of performing a memory action. This is possible in three ways: Memory forms with a lock and dominant activation, i.e. they turn on when both signals for on and off are pending; m

Elements used to accommodate programs . There is a wide range of options available. These include printed circuit boards with fixed programs, sequencers or program switching mechanisms with reprogramm

For the control movements of a valve pressure fluid is drawn from another (mostly control) circuit (external pilot control). The external pilot control has, compared to the internal pilot control, the

High volume low-pressure pump (mostly gear pump) for obtaining a high rapid traverse speed. It is shut down as soon as the pressure set on its idle circulation valve is reached.

Process for the representation of decimal numbers as binary numbers (dual numbers) and vice versa. Example: (diagram)