BOEN Tool for Metal Cutting SDFCR2020K11

01/20/2021

On-board oil-free air compressor, after reading these faults, you can solve them by hand

1. Excessive temperature rise 　　Excessive temperature rise is a common fault during the operation of vehicle-mounted air compressors. Vehicle-mounted oil-free air compressors often operate at high temperatures,

08/04/2020

The working principle and structure of common condenser

The condenser is one of the important equipment in the refrigeration system. It transfers the heat of the superheated vapor of the refrigerant to the surrounding air or water through the heat-releasing surface of the condenser

06/30/2020

Lubrication method for air conditioner compressor fault maintenance

Lubrication method for air conditioner compressor fault maintenance The specific conditions of the lubrication method for air conditioner compressor fault maintenance are as follows:

06/14/2020

There is solar energy in the water vapor, which can be used for heating and cooling

There is solar energy in the water vapor, which can be used for heating and cooling What is water vapor energy? This unfamiliar term is actually not difficult to understand

06/14/2020

Is there any problem with compressor oil return

Is there any problem with compressor oil return 1. Mechanism analysis of compressor oil shortage During the operation of the system, the lubricating oil is discharged from the compressor along with the refrigerant, and then returned to the compressor 器2䀀
ￜ皥
䖒皦즠Ʋ焬क़㲈Ʋ
䌁皦
ᮔDž༬皧然क़Ѐ呄ᠾ鹨់༹皧
ࠄ
00령ꐱ댁珵뛐珵Љ
䕄ྦ￿￿뤂ᐱ

03/12/2021

Four control modes of servo drive

1.Feedback compensation open loop control. The accuracy of open-loop system is low, because the step error , start stop error and mechanical system error of servo driver will directly affect the positioning accuracy. This system has the advantages of both open-loop and closed-loop, that is, it has the stability of open-loop and the accuracy of closed-loop.

10/18/2024

Automobile Knowledge: What Are VVT, CVVT, DVVT, VVT-i, and VVT-iW?

VVT, CVVT, DVVT, VVT-i, and VVT-iW are often seen on many automobile engines. What do these logos mean? These logos reflect some of the unique technologies of automobile engines.

06/14/2020

Solar driven adsorption refrigeration

Solar driven adsorption refrigeration Shanghai Jiaotong University Wang Ruzhu and other nearly 20 years of painstaking research "adsorption refrigeration adsorption mechanism, cycle construction and thermal design theory" won the second prize of the 2014ﰸ2䀀
ￜ皥
䖒皦즠Ʋ

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

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.