GULING Tool for Metal Cutting 1.9d1-8.0L1-4D-50L(MTR2.0)

09/08/2020

The role of air compressor oil

Air compressor oil accounts for 85% of all lubricating materials. There are many types and brands. The world's annual consumption is about 38 million tons. The role of air compressor oil is to reduce friction and protect the liquid lubricant of machinery and processed parts, mainly for lubrication, cooling, rust prevention, cleaning, sealing and buffering.

08/24/2020

What are the specific operation methods for cold storage screw compressor maintenance

1. Disassembly method of screw compressor in cold storage 　　 Before the screw compressor of the cold storage must be overhauled, if possible, unload the slide valve to the "0" position, stop normally, and cut off the power supply.

07/05/2020

Hitachi heat pump compressor prices

Hitachi heat pump compressor prices Features of Hitachi Air Conditioning Compressor 12 for air energy heat pump hot water: 1. Optimize asymmetric vortex lines; 2. High pressure ratio;

07/07/2020

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

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

06/14/2020

Five methods for leak detection in refrigeration systems

Five methods for leak detection in refrigeration systems The leak detection of the refrigeration system of the air conditioner includes the leak detection of components such as the refrigeration compressor, condenser, evaporator, filter drier, capillary 器2䀀
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03/11/2021

Common faults

The motor of servo driver is unstable, and the speed is fast and slow. The main reasons for this kind of fault are as follows: 1.The servo driver parameters are not adjusted properly, and the regulator does not reach the best working state.

09/06/2020

Basic knowledge of PID regulation and PID

What is PID regulation and the basic knowledge of PID At present, the level of industrial automation has become an important indicator of the modernization level of various industries.

08/21/2020

The principle and decisive factors of cooling tower cooling effect

The role of the cooling tower is to exchange the cooling water carrying waste heat with the air inside the tower body, so that the waste heat is transferred to the air and dispersed into the atmosphere.

07/25/2020

How to distinguish the quality of the wire?

Good strong wires are the basic level of home circuit engineering, so how do consumers judge which strong wires are good wires?