BPJ Bearing 6319N

08/20/2020

Don't miss the most common Gree air conditioner fault code analysis

Gree air conditioners have an unparalleled market share. Naturally, there are many small partners who use Gree air conditioners, but after a period of time, the air conditioners will have some unfamiliar and unknown fault codes.

09/05/2020

The relationship between oil-free compressors and the textile industry

In the textile industry, air-jet looms require dry and oil-free compressed air. During the production process, fine nozzles will blow compressed air onto the wire harness to form a vortex to give the yarn shape, elasticity and elasticity.

09/05/2020

The advantages of asynchronous motor over traditional permanent magnet motor

The asynchronous motor is a three-phase induction motor, not the rare earth permanent magnet motor used in traditional electric vehicles. What are the reasons for this? The difference between induction motors and permanent magnet motors.

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.

09/03/2020

To the air compressor salesperson: how to make an air compressor to sell more and more

Hard work does not necessarily lead to a good sales performance. Why are the air compressor sales people tired and tired every day, but they sell fewer and fewer machines? If the method is wrong, there will be many detours

08/08/2020

Brief analysis case of fan coil selection and layout in central air conditioning

Brief analysis case of fan coil selection and layout in central air conditioning With the continuous improvement of high-end office and office environment, the air-conditioning system has become more and more widely used in daily life.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

09/08/2020

The necessity of air source system and its treatment

A system composed of equipment that generates, processes, and stores compressed air is called an air source system. A typical air source system consists of the following parts: air compressor, rear cooler, filter (including pre-filter, oil-water separator, pipeline filter, oil removal filter, deodorization filter, sterilization filter) Etc.),

08/20/2020

The air conditioner doesn’t cool right after I bought it. I bought a fake brand.

Summer is here, and the sales season for air conditioners is also coming. However, recently some citizens have bought "fake air conditioners." Obviously it is a new product of the well-known brand Midea, why does it stop cooling after just a few days of purchase?

09/10/2020

The high-voltage inverter market has huge potential, expecting technological breakthroughs

The high-voltage inverter has a significant energy saving effect. Without changing the host equipment, only changing the speed can achieve an average power saving effect of 30%. Among them, the average energy saving rate of petroleum system is 38%, petrochemical system 46%, metallurgical system 42%, urban water supply and drainage system 45%, chemical industry System 24%.