NSK Bearing 24068CAE4

03/01/2021

Basic principle and optimization algorithm of BLDC

Brushless direct current motor (BLDCM,) gets rid of the inherent shortcomings of the brushless DC motor, and replaces the mechanical motor rotor with the electronic motor rotor. Therefore, the brushless DC motor not only has the excellent speed characteristics of the DC motor, but also has the advantages of simple structure, no commutation flame, reliable operation and easy maintenance.

09/04/2020

The impact of compressed air not up to the standard on the PCB industry

Example: A certain company uses an imported high-speed drilling machine, but the current drilling rate is only one-third of the rated rate. What is the reason? The company’s production department often complains about water in the gas equipment, which affects production. What is the reason?

06/14/2020

Embraco hosts flammables webinar

BRAZIL: Compressor manufacturer Embraco will host two free educational webinars in June, one covering refrigeration fundamentals, the other on the use of flammable “natural” refrigerants in commercial refrigeration.

06/25/2020

What refrigerator is used for cooling

Most of them use fluorine-free refrigerants, and the models include R600A, R410A, R407A, R134A, etc., which are all green and environmentally friendly. The specific models are marked on the nameplate on the rear side of the refrigerator. the way.

08/24/2020

Self-taught, fixed-speed air conditioner power consumption can be easily calculated

In summer, many friends worry about the electricity cost of the air conditioner at home, turning it on for a while, turning it off for a while, turning it on for a while when it’s hot, and turning it off for a while.

02/20/2023

The Structure, Characteristics, and Notices for Use of Butterfly Valve

Butterfly valve consists of valve case and valve body. This valve, which is characteristic of rotatable disc or double plate, can be used to cut off water. Its axis of rotation is perpendicular to the direction of water flow.

08/14/2020

How to deal with moldy cold storage accessories

1. Analyze the reasons<br></br> 　　 Inspect the entire refrigeration system to confirm the cause of frost damage and find out the leaks

08/24/2020

What kind of job is a refrigeration installer

With the continuous development of refrigeration technology in our country, refrigeration technology has been widely used in various fields of the national economy and people's lives.

08/11/2020

How to clean the central air conditioning cooling tower

The cooling tower is exposed to the outside for many years, and the fan’s adsorption power is very strong, so that a large amount of sand and dirt will enter the tower.

06/29/2020

What is the cause of compressor pipeline vibration