Hitachi Compressor SHY90MC4-G

06/14/2020

Introduction of internal control elements of industrial chillers

Introduction of internal control elements of industrial chillers Chiller is a kind of water cooling equipment, which can provide constant temperature, constant current and constant pressure cooling water equipment. Its working principle is to inject a ceﰸ2

09/06/2020

Application of medical air compressor and supporting nitrogen generator industry

Many friends are not very familiar with the nitrogen generator, and do not know what it is used for. Now I will briefly explain the nitrogen generator and its supporting equipment. Introduction to 　　 Nitrogen Generator

02/04/2023

Sectional view of two types of worm gear reducers.

The worm gear reducer, also known as worm gear speed reducer, is a power transmission mechanism. It reduces the number of revolutions of the motor to the required number and obtains a large torque.

06/27/2023

DIY Guide to Testing and Replacing Your Refrigerator Compressor Start Relay (Save Money and Time)

A refrigerator compressor start relay is a device responsible for starting the compressor of a refrigerator. When this component fails, the refrigerator will not cool properly, causing food to spoil.

08/04/2020

Analysis of five major problems in current heating management

With the development of society and the continuous improvement of people's living standards, traditional heating methods and management models have become less and less suitable for the development of the times.

09/21/2020

Lubricant knowledge

Lubricating oil knowledge 1. Lubricating oil function Lubricating oil is a liquid lubricant used on various types of machinery to reduce friction and protect machinery and processed parts. It mainly plays the role of lubrication, cooling, rust prevention, cleaning, sealing and buffering.

07/07/2020

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

08/07/2020

How to troubleshoot the icing of the evaporator of the air conditioner

Small split air conditioners often have icing on the indoor unit evaporator in summer. Why does it freeze and how to eliminate it? Here are the following:<br></br> 　　 1. Insufficient refrigerant<br></br>

03/12/2021

Composition of servo drive system

The controller is usually a computer or PID control circuit, and its main task is to transform and process the deviation signal output by the comparison element, so as to control the executive element to act as required.

07/17/2020

Piston compressor use and maintenance technology

Preparation before start-up: Operation, repair and maintenance must be carried out by self-made people. The compressor should be unsealed and cleaned before use, and check whether there is rust on each friction surface. The rust phenomenon should be cleaned with oilstone grinding and clean, and the friction surface should be coated with lubricating oil after unsealing.