Siemens Contactor 3RT1064-6NB36

09/10/2020

In the next two years, the world's bearing demand will reach 76 billion US dollars

According to the forecast analysis report of the global bearing market by the industry research company, the global demand for ball bearings, roller bearings and sliding bearings is expected to grow at an annual rate of 8.5%, reaching 76 billion US dollars by 2014, of which unloading The largest demand for ball bearings and roller bearings.

07/31/2020

What are the failures of the air conditioning refrigeration system (R410A)

When it is assumed that the system is blocked by welding, first check whether the system pressure and current are normal. You can use a pressure gauge to measure the suction pressure.

09/10/2020

Lubrication characteristics and requirements of mobile air compressors

1. The characteristics of the mobile air compressor are: (1) The mobile air compressor should be easy to move frequently, the working conditions are changeable, and the load changes greatly. (2) Mobile air compressors are mostly heavy-duty, medium-speed or low-speed transmission, and most require frequent starting and often withstand shock loads;

07/05/2020

Hitachi 6HP Inverter Compressor-Compressor

Hitachi 6HP Inverter Compressor-Compressor Why is frost formed between the electronic expansion valve and the compressor? A customer asked: The compressor is suddenly not cooling, and the electronic expansion valve is frosted to the compressor. Is there any relationship between the two before?

06/29/2020

How the compressor works

08/14/2020

Effective means to reduce the resistance of condenser heat transfer system

To ensure that the condenser has a higher heat transfer coefficient, it is necessary to reduce the resistance in the system. There are three ways to achieve this goal.

06/14/2020

Comparison of traditional refrigeration compressor and magnetic suspension refrigeration compressor

Comparison of traditional refrigeration compressor and magnetic suspension refrigeration compressor 1. Principle 2. The redundant function of the cooling system; 3. In terms of operating efficiency:

12/30/2022

What are the 5 PLC Programming Languages

Compared with the general computer programming language, programmable logic controller (PLC) programming language has obvious characteristics.

02/22/2023

Classification of Butterfly Valve

Butterfly valve, which dated back in 1930s, is a common valve type. It is easy to be combined with various driving devices, with good durability and reliability.

08/20/2020

Several important reasons that affect the cooling effect of the refrigeration system of the computer room

From the perspective of operation and maintenance, the specific factors that affect the cooling effect of the air conditioner include the evaporation temperature, the opening degree of the expansion valve, and the condensation pressure.