Danfoss Compressor SM185A4CBV

08/11/2020

Let's take a look at how important the power control of industrial chillers is!

Industrial chillers are used in plastics, electronics, chemicals, electroplating, food preservation, textiles, printing, medicine, construction, machinery supporting equipment and other industries.

03/01/2021

Performance comparison between servo motor and stepping motor

As an open-loop control system, stepping motor has essential connection with modern digital control technology. In the current domestic digital control system, stepping motor is widely used. With the emergence of all digital AC servo system, AC servo motor is more and more used in digital control system. In order to adapt to the development trend of digital control, stepping motor or full digital AC servo motor is mostly used as the executive motor in motion control system. Although they are similar in control mode (pulse train and direction signal), they are quite different in performance and application. This paper compares the performance of the two.

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

09/10/2020

The latest overview of wind power blade industry

Because the technical threshold of the blade manufacturing industry is not high, most latecomers buy licenses from abroad and can form production capacity within half a year. In order to seize market share, these companies can only rely on price wars to compete viciously.

06/15/2025

Training manual for air compressor maintenance personnel

In recent years, it is difficult to find suitable air compressor equipment maintenance personnel, which has become the common feeling of more and more enterprises. From an objective point of view, the low salaries,

09/09/2020

Nine misunderstandings in the selection and use of air compressor lubricants

Good lubrication will give full play to the overall efficiency of the air compressor unit in operation, improve equipment efficiency, ensure production quality, and reduce maintenance costs and downtime, which is of inestimable significance.

08/18/2020

How to safely operate the compressor in an ammonia refrigeration system

Ammonia refrigeration compressor is a very important part of the refrigeration system, and it is also the main operation scope of the refrigeration workers. How to operate correctly is directly related to the safety index of the refrigeration system.

08/20/2020

What is the difference between fixed speed and inverter air conditioners and their respective characteristics

The fixed speed air conditioner means that the speed of the internal compressor motor is constant, and the temperature is adjusted by switching the compressor on and off. Inverter air conditioners are variable speed air conditioners,

06/14/2020

The secret of refrigeration compressor lubrication

The secret of refrigeration compressor lubrication The refrigeration process can be traced back to the middle of the 18th century, when the experiment was about ice production. The technology was perfected in the 18th century, and modern refrigeration wa器2䀀
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08/12/2020

How to pay attention to fire safety during construction and maintenance of cold storage

The focus of cold storage fire protection should be placed on the construction and maintenance of cold storage.