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Indicates the relationship between the achievable or transferable power of a working component and its volume and therefore provides a way of measuring the compactness of the device (drive). A high po

Device that measures the difference between two pressures. This can be a pressure gauge with display or an electrical output. It can also be a device based on a or a piezoresistive system that either

Collective term for the behaviour of components and systems under various climatic conditions. DIN 40 040 describes and classifies climatic conditions for tests.

Wear occurring at metallic surfaces as a result of cavitation causing vapour bubbles to form and collapse under certain conditions, with the surface of the material suffering mechanical stress if thes

Signals which mimic pulses, such as when photoelectric light barriers (gates) output a pulse for activation or deactivation purposes when a beam is interrupted.

Describes the pressure difference required for a change in flow rate (acceleration) and based on the mass inertia: where l = length and A = cross section of the column of oil

Are characterised by the largest and smallest values for the individual variables with which the system is allowed to be operated with other influencing variables exactly defined and with the load dur

A bistable element that acts as a memory and that uses a thin foil as a switching and sealing element that, as a consequence of the very low mass, permits switching times of 0.2 to 1 ms (Figure F 33)

Friction in a hydrodynamic or hydrostatic load bearing, liquid or gaseous, continuous layer. In the hydrodynamic load-bearing layer, the pressure in the layer is produced by the movement of the bodies

This parameter, which would be very important for the user, depends on so many boundary conditions that it can, at best, be estimated if the operating conditions are known.