Motorola Integrated Circuit MC719P

12/22/2022

How to Maintain Optical Fiber Amplifiers?

An optical fiber amplifier (OFA) can not only directly amplify optical signals, but also have the advantages of real-time, high gain, online, low noise and low loss.

06/14/2020

There is a market for air-conditioning sterilization, and innovation is helping the market pick up

Since the beginning of this year, due to the impact of the new coronary pneumonia epidemic, the development of the air-conditioning industry has been relatively difficult. With the normalization of epidemic prevention and control, and the advent of the tr器2䀀
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08/20/2020

How to judge whether the refrigeration effect of industrial refrigerators is good

The quality of industrial refrigerators can be judged by carefully understanding the cooling performance of the equipment. If during the long-term operation of the equipment, the operation safety and stability of the equipment is very high,

09/11/2020

How to ensure the stable operation of imported bearings

Generally speaking, pay attention to the following points from the perspective of use: 1. The bearing clearance should be appropriate. If it is too large, it will cause impact, and if it is too small, it will cause poor lubrication and may burn bushes.

09/10/2020

Existing problems in the promotion and application of water source heat pumps in my country

As a new type of cooling and heating method, water source heat pump should be quite mature and no problem from a technical point of view, especially from the point of view of heat pump units. However, considering China's national conditions and the promotion and application of water source heat pump cooling and heating as a whole system, there are still some problems:

06/29/2020

What is the cause of compressor pipeline vibration

08/05/2020

What are the common faults of the cut-off foot of the chiller and the adjustment cabinet

1. The valve body of the valve of the chiller is mostly steel castings. Casting blisters may be formed during the production process, causing the valve to leak refrigerant during use.

08/05/2020

Refrigeration oil replacement points of screw refrigeration compressors for cold storage equipment

1. The role of lubricating oil:<br></br> 　　1) A dynamic seal is formed between the screw and the compression chamber and the male and female screws to reduce the leakage of refrigerant from the high pressure side to the low pressure side during the compression process.<br></br>

12/08/2022

The Lubrication of the Linear Guideway

For the sake of better performance, smaller wear, and longer service life of the linear guideway, proper lubrication is entailed. This article will discuss the functions, characteristics of lubricant and tips for lubrication.

06/14/2020

Characteristics of scroll compressor

(1) High efficiency: 90～98%. The suction, compression, and exhaust processes of the scroll compressor are continuous and unidirectional, and the harmful overheating of the suction gas is small; the pressure difference between the adjacent working chamb器2䀀
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