Rockwell A-B Sensor 871TM-DHP30-N4

09/21/2020

Calculation and determination of gas consumption

The traditional method of determining the compressed air requirements of a new plant is to add up the air consumption (m3/min) of all air-consuming equipment, and then consider adding a safety, leakage and development factor

09/02/2020

Brief analysis of the reasons for the reduction of the displacement of the screw air compressor

"Air compressors are general-purpose mechanical equipment. They are now widely used in various fields. Due to the motor power and the length of the main engine shaft, the air compressor has a large and small displacement.

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.

06/24/2020

What to do if Haier refrigerator doesn't cool

In the process of using home appliances, there will be some situations. I believe many people have encountered that the refrigerator at home is not cooling. What will you do when you encounter this situation? Let’s take a look at Haier with the editor. What to do if the refrigerator is not cooling, for your reference.

07/29/2020

Types of refrigeration and air conditioning piping and calculation formula for wall thickness

Types of refrigeration and air conditioning piping<br></br> The types of refrigeration and air-conditioning piping are classified into the first, second, and third types according to the highest operating pressure (design pressure).

07/19/2020

Basic knowledge of refrigeration compressor

After shutting down, stop for at least 3 minutes before starting again to eliminate the pressure difference between the compressor inlet and outlet. Because in the case of a large pressure difference, the starting torque of the motor will increase, causing the current to rise to a certain level, the protector will act and the compressor cannot continue to run.

07/14/2020

Does the air conditioner not cool for a long time? Don't be fooled by the blackhearted repairman, teach you a trick!

It's hard to imagine how people used to live without air conditioning. But air conditioners, like all electrical appliances, have a certain life span. With the increase of service life, especially the occurrence of refrigeration problems, its use effect will decrease with the increase of time, especially refrigeration problems.

09/18/2023

Heat Pump Water Heaters: Complete Guide, Working Principle, Types, Pros and Cons and More

Are you considering upgrading your water heater? If so, you may want to consider a heat pump water heater. Heat pump water heaters are becoming increasingly popular among homeowners due to their energy efficiency and lower environmental impact.

06/29/2020

Suggestions for troubleshooting of compressor with liquid start

08/13/2020

Maintenance of automobile air conditioning control system

When troubleshooting and overhauling the automotive air-conditioning control electrical system, the specific failure phenomena should be observed and the possible failure locations should be analyzed to avoid blindness in overhaul.