Pfeiffer Vacuum Pump MVP 040

03/18/2024

What Is a Closed Loop System (Servo System / Servomechanism)?

As shown in the figures above, the closed-loop control system has a feedback device to feedback the position of the servo motor, but the open-loop control system does not.

07/26/2020

Precautions for using R410A refrigerant in air conditioner

The types of refrigerating machine oil (lubricating oil) are roughly divided into mineral oil and synthetic oil according to the use of refrigerant. The lubricating oil of R22 refrigerant currently used is basically mineral oil. R410A refrigerant uses synthetic oil.

08/21/2020

Avoid stepping on pits when buying air conditioners, just refer to these points!

Recently, as the temperature rises, some cities in the north have entered a continuous high temperature mode. The continuous high temperature has caused many people to complain: "The air conditioner makes my life a second spring"! The same goes for it, such a hot weather, it is really hard to imagine without air conditioning.

04/02/2025

FANUC Servo Amplifier Alarm Codes and Solutions (SV430~SV449)

FANUC Servo Amplifier Alarm Codes and Troubleshooting Methods

09/08/2020

What requirements does the system need to meet after the air compressor frequency conversion transformation

The application optimization analysis of the frequency conversion energy-saving transformation of the frequency conversion air compressor, the energy-saving transformation design requires the problems existing in the original working conditions and the production process requirements.

06/14/2020

Sales of air conditioners become explosion models of home appliances

Sales of air conditioners become explosion models of home appliancesSales of air conditioners become explosion models of home appliances On the eve of the "May Day", many consumers received a "bombing" on the mobile phones of home appliance community groﰸ

09/08/2020

Four common representation methods for air compressors

In the 21st century, the air compressor market is highly competitive. When consumers choose products, they often include the quality and price of the machine in their purchase criteria. Therefore, the various labeling methods commonly used in the market will be explained, and we will do our best to protect consumers.

06/29/2020

Compression ratio of American Copeland compressor

09/05/2020

Where are air compressors generally used Demand list of air compressor industry

Where are air compressors generally used? Demand list of air compressor industry: 　　 1. General machinery processing industry: 1. Used in the production of enterprises, including: boiler, pressure vessel manufacturing; oxygen generator, automobile turbine manufacturing; metallurgy, mining machinery manufacturing;

08/02/2020

Why the cold storage project can quickly return to temperature after power failure

Recently, many people have asked why the cold storage project has a rapid constant temperature after a power failure. This problem is believed to occur when many users use the cold storage.