Danfoss Compressor SM148W4XM

07/16/2020

Working principle of scroll compressor

1. The pressure of the scroll compressor is generated due to the interaction between the scroll disks that make planetary motion. When one of the scroll disks makes planetary motion, the gas enters from the outer opening.

07/13/2020

Danfoss H series scroll compressor flexible sealing technology

Danfoss training-common faults and analysis of compressors In this issue, we will talk about the common faults and analysis of compressors.

09/10/2020

Structural characteristics of rolling bearings imported from FAG

German FAG bearings (especially rolling bearings) are divided into two kinds of structure with cage and without cage. Among them, large-scale FAG bearings are generally required to withstand larger loads, often without a cage, but filled with rolling elements between the inner and outer raceways. And most of the small and medium rolling bearings are with cages.

01/04/2021

Compression Ratio, Capacity and Volumetric Efficiency of the Refrigeration Compressor

Compression Ratio, Capacity and Volumetric Efficiency of the Refrigeration Compressor Piston Displacement, Compressor Capacity, Clearance Volume of Compressor Introduction This article describes some important terms related to the refrigeration and air器2䀀
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06/23/2020

The air conditioner suddenly stopped cooling.

1.The air conditioner remote control may not adjust the temperature. 2. It may be that the air conditioner has not been cleaned for too long, which causes dust to accumulate on the filter net, so that the cold air blocking the air conditioner cannot be blown out. 3. There may be leakage of freon in the air conditioner, resulting in too little freon, and the air conditioner is not cooled. 4. Energy saving is due to unstable voltage, which causes the air conditioner to not be cooled. 5. It may be that the number of air conditioners is insufficient, and the small number of horses is not used for cooling in a large area of the house.

01/11/2021

[Case] Air conditioner compressor does not work after Mitsubishi Pajero overhaul Failure phenomenon:

[Case] Air conditioner compressor does not work after Mitsubishi Pajero overhaul Failure phenomenon: The Mitsubishi Pajero off-road vehicle uses a 6G72 engine. The air-conditioning compressor does not work after the car is overhauled and the condenser器2䀀
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09/17/2020

Sensor basic knowledge and common terms

1. Sensor: a device or device that can sense the prescribed measurement and convert it into a usable output signal according to a certain rule. Usually composed of sensitive components and conversion components. ① Sensitive element refers to the part of the sensor that can be directly (or responded) to be measured.

08/19/2020

How does industrial chiller work during water treatment

How does the industrial chiller start and run during processing? Let us understand this knowledge together. 1. Open the inlet and outlet gates of the switching well and close the other gates of the industrial chiller according to the dispatching instructions.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/13/2020

Several symptoms of fluorine deficiency in refrigerators in summer

In summer, the frequency of use of refrigerators is relatively high, and the intensity of use is relatively high, so fluorine deficiency is prone to occur. How to judge whether the ice water machine is lack of fluoride in summer?