KEYENCE HMI VT3-Q5T

09/07/2020

The technical knowledge of these three types of screw air compressors must be mastered by sales engineers

Sales engineers need to understand the basic principles of air compressors. I believe that the company has given a brief introduction after joining, so I won’t repeat them. If you still don’t understand, you can consult books.

08/10/2020

Frostbite, accidental ingestion... first-aid measures for refrigerants that must be mastered

1. Precautions for using refrigerant<br></br> 　　 1. Avoid entering highly concentrated water vapor. Although some refrigerants are not easy to burn under normal temperature and pressure conditions, their mixture can burn or even explode under high pressure and high concentration air conditions.

08/21/2020

Ground source heat pump brand selection needs to be careful

In recent years, with the improvement of people's living standards and increased awareness of health and environmental protection, the ground source heat pump industry has become the current sunrise industry.

01/19/2022

Transmitter Common Faults & Diagnosis Methods

Transmitter faults mainly include complete fault, bias fault, shifting fault, and precision degradation fault. This is shown in figure 2.

06/29/2020

Compression ratio of American Copeland compressor

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.

08/25/2020

Precautions for showcase

After the cabinet is moved, it must be placed securely and stand still for half an hour before it can be powered on. When using a supermarket display cabinet for the first time, let the empty cabinet run for 2 hours before putting the food in the box for storage.

06/14/2020

How to choose the matching type of cold storage

A, high temperature cold storage (± 5 ℃): suitable for the preservation of fruits and vegetables; B. Medium temperature cold storage (-10 ℃ ~ -5 ℃): suitable for food refrigeration after freezing; C, low temperature cold storage (-20 ℃ ~ -10 ℃): sui器2䀀
ￜ皥
䖒皦즠Ʋ奌ི㲈Ʋ
䌁皦
ᮔDž༬皧奖ིЀ呄ᠾ鹨់༹皧
ࠄ
00령ꐱ댁珵뛐珵Љ
䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ
瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ￜ皥
ب巠皱㙲皦忈皱੨皦柘

09/10/2020

Air compressor valve selection steps and selection examples

The valve is a control component in the fluid conveying system, which has the functions of cut-off, regulation, diversion, prevention of reverse flow, stabilization, diversion or overflow and pressure relief.

06/14/2020

Basic structure of piston refrigeration compressor

Piston refrigeration compressor is mainly composed of body, crankshaft, connecting rod, piston group, valve, shaft seal, oil pump, energy adjustment device, oil circulation system and other components.