Glossary
A5E01083943A AB
104 Siemens AG Operating Instructions 2.02 1FW4
Rated power
Rated power is the mechanical power that is exerted on the shaft by the motor at the rated
point. The rated power is specified on the rating plate.
Rated voltage
The rated voltage is the voltage between the outer conductors at the terminals of the
machine at rated power.
Shaft
A shaft is a machine element, which is used to transfer rotational motion and forces and for
bearing up rotating parts.
Sling rope
Ropes exclusively for lifting and transporting loads. The quality of sling ropes is described in
the following standards: DIN EN 13414-1, DIN EN 13889, DIN EN 1492-1, DIN EN 1492-2
Stator winding
The stator winding is the 3-stranded, 3-phase winding in the laminated stator core for
generating the stator's rotating field.
Strength class
The characteristics of bolts and nuts are described with the aid of the strength classes. This
is done in accordance with EN ISO 898-1 based on 10 strength classes. The characteristics,
such as tensile strength, hardness, stretch limit, breaking elongation, etc., are listed in each
case.
Temperature sensor
Temperature sensor is a generic term for sensors that are used for detecting temperature.
These can be temperature-dependent resistors (PTC, NTC), resistance thermometers,
thermocouples or similar.
Tightening torque
Torque = the force on a lever arm. The tightening torque is the torque that is needed in order
to
● Apply the preload force which is used to extend a screw or hold together screwed parts.
● Overcome the friction under the head or the nut contact and in the threads.
The tightening torque is set on the tool, e.g., on a torque wrench.
Winding
The wire coils inserted into the grooves of the laminated cores are called windings.
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