NMB Sensor UMM1-50K

12/12/2022

How to Deal with the Abnormal Noises from the Linear Guideways?

The rolling element on the slider of the linear guideway moving back and forth inside the track groove will produce noise, which is a normal phenomenon.

08/20/2020

Eight installation considerations for refrigeration compressor units

my country's cold storage has entered a stage of explosive growth. The industry is developing very rapidly, but the structure is not very reasonable. Domestic cold chain logistics parks have

06/14/2020

Danfoss cocuses on providing energy efficient, sustainable and smart refrigeration compressors for a varied range of commercial applications such as cold rooms

07/27/2020

The working principle of screw unit and common failure analysis

1. Refrigeration cycle and pressure enthalpy diagram<br></br> 　　 The refrigeration cycle of a screw chiller can be represented by a pressure-enthalpy diagram. The main state points are shown in the diagram, which will be used in the following discussion.

08/30/2020

Current situation and application of compressor rotor materials

With the development of science and technology, the rotor materials of screw compressors and centrifugal compressors have made great progress and changes nowadays. The author has done some research experiments on this, and this article briefly talks about it.

07/31/2020

What kind of equipment is generally used in cold storage How to select the refrigeration equipment

The cost of cold storage with a refrigeration capacity of less than 60kw is relatively large. It is generally suitable for small cold storage and air conditioning units. The cost of such small cold storage within 100 square meters ranges from 30,000 to 100,000.

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.

09/10/2020

Summary Essentials of water treatment for central air-conditioning chillers

Looking at the management of central air-conditioning throughout the country, it is found that very few are well managed, and all have problems of one kind or another to varying degrees. The main problems are described as follows: 1. Problems caused by the unreasonable design of the design department

06/14/2020

What is the energy efficiency ratio of air conditioning

What is the energy efficiency ratio of air conditioning What does the air-conditioning energy efficiency ratio mean? How to calculate the air-conditioning energy efficiency ratio?

06/14/2020

Scroll compressor

Scroll compressor