Trafag Transmitter 8253.G7.4131.02

07/23/2020

Trouble and overhaul of piston refrigeration compressor

1. The refrigeration compressor cannot start normally Maintenance ideas 　　 1. First, check whether it is caused by low power supply voltage or poor connection of the motor circuit. If it is indeed that the grid voltage is too low, restart after the grid voltage returns to normal: If the line is in poor contact, the connection between the line and the motor should be detected and repaired.

03/03/2021

Control mode of servo motor

Torque control: the torque control mode is to set the external output torque of the motor shaft through the input of external analog quantity or the assignment of direct address. For example, if 10V corresponds to 5nm, when the external analog quantity is set to 5V, the output of the motor shaft is 2.5nm: if the load of the motor shaft is lower than 2.5nm, the motor will rotate forward, and when the external load is equal to 2.5nm

08/09/2020

Common oil shortage failures of scroll refrigeration compressors

The compressor is short of oil for a long time-the mechanism and the friction pairs are overheated, causing the bearings to sinter and hold the shaft.

01/04/2021

Compressors

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06/14/2020

Common failures of half-sealed piston compressors

Common failures of half-sealed piston compressors 1. The compressor cannot start normally 1. First check whether the power supply voltage is too low or the motor line is poorly connected. If the grid voltage is too low, start again after the grid volt器2䀀
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08/11/2020

How does the screw compressor match the refrigerating oil correctly

The role of the compressor in the refrigeration system is equivalent to the human heart. With the development of the market, screw compressors have gradually become the leader of refrigeration compressor products and are used in various cold chains

09/03/2020

Air compressor application-spraying industry

Air spraying can be said to be a spraying method with convenient operation, easy color change, high production efficiency, good atomization effect, and high-quality surface with fine rust.

09/04/2021

Where is the Throttle Position Sensor Located?

The throttle Position Sensor (TPS), located on the butterfly spindle, is operated by the throttle, and its installation varies according to the structure.

08/11/2020

4 differences between water cooling and air cooling system of refrigerator

As we all know, refrigerators are divided into screw refrigerators and other different types of refrigerators, but this is classified by compressors, and by the heat dissipation method and cooling system,

06/29/2020

Compression ratio of American Copeland compressor