Danfoss Compressor DSH482A7AAU

06/29/2020

Compression ratio of American Copeland compressor

09/16/2020

Why can't I repair the cold welding machine Easy to fall off

Question: Why can't the patching machine be fixed? Easy to fall off? Answer: The main reasons for the failure to fix are: 1. The surface of the mold is not cleaned, and there are impurities such as oil, dirt, and oxides between the supplement and the mold.

03/04/2021

Advantages of servo motor

Precision: the closed-loop control of position, speed and torque, and the problem of out of step of stepping motor is solved; Speed: high speed performance, general rated speed can reach 2000 ~ 3000 rpm;

08/25/2020

Replace air conditioner! Cold pipe refrigeration system energy consumption is only half of air conditioning!

According to foreign media reports, from a new study in the Proceedings of the National Academy of Sciences, a research team composed of scientists from multiple countries has developed a refrigeration system called "cold pipe"

07/20/2020

How to eliminate the difficult problems of the salt spray test chamber

Many people will blame the poor quality of the salt spray test box in actual use. However, the relevant departments have used statistical data to tell us that more than 50% of these problems are caused by operation. Only 5% is the quality problem of the salt spray test box itself.

08/29/2020

Compressor industry review after the mask ventilators are snapped up globally, relevant technical information has been made public

The ventilator is a vital medical device that can prevent and treat respiratory failure, reduce complications, and save and prolong the lives of patients. Facing the increasing number of patients with new coronary pneumonia, many countries are facing a shortage of ventilators.

08/16/2020

Several ways to remove mildew from cold storage, collect them!

Mold generally grows in dark and humid places and can adapt to lower temperatures. Usually in high temperature storage, the situation is the most serious. Mold grows in the cold storage, and the spores will fly everywhere,

08/14/2025

Refrigeration Compressor Troubleshooting Guide: Common Issues and Solutions

Refrigeration compressors are essential components of any refrigeration system. They are responsible for compressing refrigerant gas, which then travels through the system to cool and freeze various products, including food, medicine, and other perishable items.

01/13/2021

Judgement method of refrigerator solenoid valve is good or bad

(1)Use a multimeter to detect the resistance of the solenoid valve coil is about 2K or more (the resistance value is different according to the requirements of each refrigerator manufacturer); (2)Use a multimeter to detect the pulse voltage. You can adju器2䀀
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08/12/2020

How to calculate the current carrying capacity of refrigeration equipment wires

The working temperature is 30℃ and the current carrying capacity under continuous 90% load for a long time is as follows: