Emerson Nidec Frequency Converter VFD SP7412

09/08/2020

The evolution history of air compressors

The (mechanical) vacuum pump made in Germany in 1640 is the originator of modern air compressors. 　　 Around 1800, the first single-stage (reciprocating piston) air compressor was made in the UK, and its discharge pressure was 1.38MPa (gauge pressure).

06/29/2020

Several causes of compressor burning

08/24/2020

Why is it forbidden to use the refrigerator

We all know that with the continuous improvement of people’s material living standards, every household now has a refrigerator. The refrigerator is very useful in the home, especially in summer.

08/02/2020

Basic principles of data center cooling and energy saving solutions

Basic principles of data center cooling and energy saving solutions<br></br> Each data center has its own characteristics, so there is no technical solution that can be applied to any data center.

06/14/2020

Screw compressor

Screw compressors, also known as screw compressors, are divided into single screw compressors and twin screw compressors. The single-screw compressor was developed by Sinn of France in the 1970s. Because its structure is more reasonable, it is quickly a器2䀀
ￜ皥
䖒皦즠Ʋ奌ི㲈Ʋ
䌁皦
ᮔDž༬皧奖ིЀ呄ᠾ鹨់༹皧
ࠄ
00령ꐱ댁珵뛐珵Љ
䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ
瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥
ب巠皱㙲皦忈皱੨皦柘皱
즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦
ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ
랖僧Ԡ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

09/14/2020

What are the reasons for the high temperature of the air compressor

The air compressor is a transmission machine. If the equipment running at high speed is not properly lubricated or cooled, it will inevitably produce high temperature. Excessive temperature will cause changes in the physical coefficient values ​​of the rotor and bearing materials, and in severe cases, the entire main engine will bite.

10/20/2025

Basics of Servo Motor You Should Know

Servo control refers to the effective control of the position, speed and acceleration of certain object to meet a certain purpose. It is one of the most important control methods in modern industry.

07/29/2025

What is Hydraulic Pump? (Function, Types, Application＆Selection Method)

The basic hydraulic system components include oil tank, hydraulic pump, control valve, oil cylinder, connecting pipe and relief valve.

06/14/2020

What to do if the refrigeration compressor is damaged

What to do if the refrigeration compressor is damaged After the refrigeration compressor in the refrigeration system is damaged, the new compressor cannot be replaced directly because there may be some incentives for the refrigeration compressor to be da器2䀀
ￜ皥
䖒皦즠Ʋ嫜ི㲈Ʋ
䌁皦
ᮔDž༬皧嫦ིЀ呄ᠾ鹨់༹皧
ࠄ
00령

08/02/2020

What is the four-pipe air conditioner Under what circumstances

Four-pipe air-conditioning means that the air-conditioning box is equipped with cold coils and hot coils at the same time. Each group of coils is fed one time, a total of four, so it is called four-pipe.