Piping
Casual term for laying the pipelines necessary for a system. As a rule, it is performed by the assembly operator after a visual inspection during assembly or pre-assembly. In the case of complex syste
Transfer signal
Signal, which transfers a certain result of a processing unit to another processing unit. It is a case of: parallel transmission if the transfer signals are passed on simultaneously and parallel to th
Open centre system
Hydraulic circuit which is predominantly used in mobile hydraulics . Its distinguishing feature is how the directional valves connected one behind the other in the centre position for the oil flow are
Shut-off valve
Valve that can shut-off the flow in both directions. In fluid technology this valve is implemented in the form of a seated valve or ball valve . The valve is actuated manually, magnetically or using a
Natural frequency
Frequency with which a system left to itself oscillates after an external excitation ( damped natural oscillation ). For a 2nd order oscillatory delay element (e.g. spring-mass system, hydraulically f
Air Cleaner Fine Test Dust (ACFTD)
Test dust for undertaking the multipass test according to ISO 4572. The quantities of the individual particle sizes are defined. In this way a consistent contamination basis for all multipass tests is
Control plate
Disc-shaped or spherical functional element in axial piston machines , which has the task of reversing the rotating piston chambers from suction chambers to pressure chambers and vice versa ( Figure S
Hydraulic piloting stage
Another expression for hydrostatic amplifiers associated with servo valves .
Control panel
Unit in a computer system that permits operators to monitor and influence the operation of the computer system or its parts. Examples for such actions are bootstrapping programs , monitoring devices,