LYC Bearing NJ1004M

03/12/2021

Composition of servo drive system

The controller is usually a computer or PID control circuit, and its main task is to transform and process the deviation signal output by the comparison element, so as to control the executive element to act as required.

07/05/2020

Hitachi Air Energy Heat Pump Compressor

Hitachi Air Energy Heat Pump Compressor The compressor does not start and has nothing to do with the four-way valve coil heating mode Why can't the compressor of the four-way valve of the air conditioner start up after changing the heating mode? The compressor does not start and has nothing to do with the four-way valve coil heating mode.

08/20/2020

Cold storage anti-corrosion and anti-frost coatings effectively solve the problem of frosting and corrosion

In the cold storage, when the dew point of the air is lowered by the cooling pipe surface, the moisture in the food and air will precipitate and condense on the pipe wall. If the pipe wall temperature is lower than 0°C, it will condense into a rain layer.

06/14/2020

Analysis on application of overload protector for refrigeration compressor

Refrigeration compressor is the main key component of air conditioner and refrigerator, which is called "heart". Since the 1980s, my country has successively introduced technology and equipment, and its production capacity has reached about 20 million uni器2䀀
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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

06/14/2020

Details of the use of freezer that you don't know! !

Details of the use of freezer that you don't know! ! Commercial refrigerators usually have very low temperatures. Therefore, many consumers who use refrigerators will develop the concept of keeping fresh at low temperatures. However, if they are not cleaﰸ2䀀
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12/15/2021

What Data Can a Human Machine Interface (HMI) Tablet Collect?

Due to the shortage of energy supply, and increasingly significant environmental problems, new energy resources have been gradually known to people. Wind energy is a type of renewable clean energy.

08/17/2020

How to clean the return air duct of central air conditioning

Today, the editor of okmarts.com mainly introduces some of the most commonly used and basic cleaning procedures for central air-conditioning. I hope it will be useful to everyone!

08/19/2020

When the low-temperature chiller has poor cooling effect, it should be dealt with in time

When companies use low-temperature chillers, in order to avoid all kinds of small faults from harming the normal use of low-temperature chiller equipment, companies need to be able to operate the equipment according to safe use standards when using low-temperature chillers.

08/19/2020

What are the classifications of air conditioning refrigerants

The refrigerants widely used in compression refrigerants are ammonia, freons and hydrocarbons.<br></br> 　　 According to chemical composition, refrigerants can be divided into five categories: inorganic compound refrigerants,