XET Tool for Metal Cutting Ф2.5×10×D4×50×4T

04/30/2022

How to test a contactor?

Check the rated voltage of the contactor coil and connect it to the matching power supply. Open the switch and check whether the contactor is closed. If it cannot be pulled in, it indicates that the contactor coil is faulty.

06/14/2020

Causes of liquid shock in refrigeration compressors

Causes of liquid shock in refrigeration compressors 1) Too much refrigerant is added to the entire refrigeration system. 　　 2) The throttle valve is opened too large, or the adjustment is malfunctioning. 　　 3) The evaporation area is too sm器2䀀
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07/16/2020

Identify true and false filter elements

Look at the filter material. The main filter material of the air filter is filter paper. At present, the filter filter paper mainly uses domestic paper and imported paper. Both domestic and imported paper have good filtering performance, and the inferior filter paper used by the fake filter element cannot prevent dust from entering the engine.

07/18/2020

Classification and main performance of HVAC chillers

Commonly used chillers are divided into piston type, screw type, centrifugal type, and vortex type chiller according to the type of refrigeration compressor used. Their evaporators and condensers generally use shell and tube heat exchangers, the throttling device uses thermal expansion valves, the refrigerant is freon

07/01/2020

Talking about the advantages of compressor enthalpy increasing technology

Talking about the advantages of compressor enthalpy increasing technology The air-jet enthalpy-increasing compressor adopts two-stage throttling intermediate air-jet technology, and uses a flash evaporator to separate gas and liquid to achieve an enthalpy-increasing effect. This compressor jet enthalpy increasing technology has many advantages, as follows:

01/07/2023

What is a Color Coded Inductor Coil?

Similar to color-ring resistors, color coded inductor solenoid coils use colors to represent different numbers, which can indicate the inductance of the inductor.

06/21/2020

Working principle of sliding vane compressor_Features of sliding vane compressor

Working principle of sliding vane compressor <img src="{{media url=&quot;magefan_blog/Working_principle_of_scroll_compressor_Characteristics_of_scroll_compressor.jpg&quot;}}" alt="" /> 　　 Air is sucked in through a filter and a regulating proportional valve. The regulating valve is mainly used to regulate the pressure chamber formed by the rotor and slide of the air cylinder. The rotor rotates eccentrically with respect to the cylinder, the valve plate is installed in the rotor groove, and the slider is pushed to the cylinder wall by centrifugal force.

10/30/2025

The knowledge about the intake valve of the screw air compressor is here

The air compressor intake valve can also be said to be an intake control combination valve, which has functions such as intake control, loading and unloading control, capacity adjustment control,

06/29/2020

Compression ratio of American Copeland compressor

08/24/2020

Refrigeration principles of refrigerators and air conditioners

Is the cooling principle of refrigerator and air conditioner the same? 　　 Refrigerator is a kind of refrigeration equipment that keeps a constant low temperature, and it is also a civilian product that keeps food or other items in a constant low temperature and cold state.