Whenever a piezoceramic sheet receives an electrical signal of the same polarity, as it is in origin, it modifies its thickness expanding 0.13m, and remains in this form also after the electrical signal is ceased.
On Siemens Piezo Injectors the actuator is formed by 80 m. On Piezo Injectors the actuators are used as motors and modify their shape under the action of an electrical fields. Piezo Actuators convert electrical power into mechanical power (motors) or, alternatively, mechanical power into electrical power (generators). Difference: Transducers convert a power form into another, for instance: pressure, temperature, etc. PIEZOELECTRICITY The piezoelectricity is the characteristic by which some crystals, quartz, topaz, and others, like crystal ceramic (piezo ceramic), can be electrically loaded through a mechanical deformation, or alternatively can change shape when submitted to an electrical field action. PREVIOUS STATEMENTWe wish to offer some short information on the Piezo actuators characteristics, for better understanding the technical choice of their employment for the Common Rail injectors valve action, instead of the traditional solenoids. Manuale DX.MT0010.03.10 Iniettori Siemens Piezo Ditex Technologies.
SIEMENS PIEZO INJECTORSMANUAL FOR DESASSEMBLY REPAIRING AND REASSEMBLY
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