Nidec Fan A34898-57

09/15/2020

The working principle of air compressor

The air compressor is the main body of the air source device. It is a device that converts the mechanical energy of the prime mover (usually an electric motor) into gas pressure energy, and is a pressure generating device for compressed air.

04/05/2024

Analysis and Solutions to AC Servo Motor Vibration Faults

AC servo motors are used in closed environments and are usually not easily damaged. But if the AC servo motor has vibration failure, what is the reason?

07/16/2020

How to repair the vacuum drying oven

During the use of the vacuum drying oven, the heating tube will accumulate a high amount of heat in a short period of time, so pay attention to the even heat dissipation during use, that is, you must turn on the blower after starting the heating. For heating conditions, first check whether the control instrument is working normally

09/11/2020

Noise analysis and treatment of air compressor

Noise analysis and treatment of air compressor A compressor manufacturer's statement: The noise level guarantee is +3dBA, which means that its noise level will be twice or one half of the declared noise level.

09/18/2020

Performance comparison between piston compressor and screw compressor

The noise of the piston engine is loud and the maintenance is inconvenient. Most piston machines often have problems during use, which brings great inconvenience to users. At the same time, it can reduce the production cost of the factory, increase economic benefits, facilitate equipment management

08/18/2020

Air-cooled chiller inspection steps and solutions

Generally, after using the air-cooled chiller for a long period of time, some problems cannot be avoided. If there is a failure, we should carefully check the operating conditions of the various parts of the machine.

08/20/2020

Use and maintenance of central air-conditioning chillers

At present, central air-conditioning refrigerators are widely used, especially in shopping malls and other places with a large number of people. What are the cooling principles, system classification and maintenance methods of central air-conditioning refﰸ2䀀

09/02/2024

What Are the Commonly Used Refrigerants in Refrigerators and Cold Storage?

There are more than 80 kinds of substances that can be used as refrigerants. Do you know which are the commonly used refrigerants for refrigerators / freezers and cold storage, and what are the selection principles?

07/29/2024

How to Unstick a Reversing Valve on a Heat Pump

A heat pump is a remarkable piece of technology, capable of efficiently heating or cooling a space by transferring heat from one place to another.

07/07/2020

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