PFEA112-65 3BSE050091R65 ABB Electron in tension

Description

PFEA112-65 3BSE050091R65 ABB Electron in tension

Technical Requirements:

The measurement technique depends on the tension meter technique
The operating principle of a force transducer has a great effect on how well it will perform. It also affects how stiff and vibration-free the entire load cell will be as well as its robustness and tolerance to overload. All of these factors impact on the design, operation, and maintenance of the web processing machinery.

ABB’s Pressductor transducer technology produces a signal as a result of changes in an electromagnetic field when the load cell is subjected to mechanical force. It is an operating principle that has its origin in a metallurgical phenomenon according to which mechanical forces alter the ability of some steels to convey a magnetic field. Unlike other types of load cell technologies, physical movement such as compression, bending or stretching is not required for signal generation.

A Pressductor transducer (the sensor inside the load cell) is a simple and elegant design. Essentially, two perpendicular windings of copper wire around a steel core combine to provide a measurement signal.

An electromagnetic field is created by continuously feeding an alternating current to one of the windings. The filed is positioned in such a way that, since the windings are at right angles to each other, there is no magnetic coupling between them when the load cell is unstressed.

However, then the transducer is subjected to a force, as shown in the figure, the magnetic field pattern changes. A portion of the field couples with the second winding and induces an AC voltage that reflects the tension exerted by the web on the measurement roll. This voltage-a comparatively strong transducer signal-is converted by the load cell system’s tension electronics into a system output.

PFEA112-65 3BSE050091R65

PFEA112-65 3BSE050091R65

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➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
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