DORMER Tool for Metal Cutting A2062.0X5.0

09/14/2020

Thoughts on reading classic stories

Known as the'Japanese rope king', Neji Shimamura bought a large amount of hemp rope at a unit price of five cents, and then sold it to paper bag factories in Tokyo at the original price, thus winning the favor of "Neiji Shimamura's rope is really cheap." reputation.

06/14/2020

Basic knowledge of central air conditioning

Basic knowledge of central air conditioning 1. Basic knowledge of central air conditioning 1. What is refrigerant and what is its working principle? A working substance that transfers heat between the object to be cooled and the environmental mediu器2䀀
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06/18/2020

Analysis of the circuit diagram of the two compressors' phase failure protection

Analysis of the circuit diagram of the two compressors' phase failure <br><br> Air compressor phase failure <br><br> circuit In the figure, KP is the electrical contact pressure gauge Ai is the CD4073 AND gate circuit, Az is the ~D4025 NOR gate circuit, and A3 is the CD4071 OR gate circuit. The 7806 three-terminal fixed integrated voltage regulator is used as the control circuit for the DC working power supply. When the AC power fails, the relay KA is released and the motor stops. Circuit diagram of compressor phase failure <br><br><img src="{{media url=&quot;wysiwyg/Analysis_of_the_circuit_diagram_of_the_two_compressors_phase_failure_protection.jpg&quot;}}" alt="" />

09/10/2020

Basic knowledge of compressed air system

1. Compressed air Refers to air with an absolute pressure greater than 0.1Mpa Second, the prescribed working conditions of the screw air compressor Inspiratory pressure: 0.1Mpa (absolute pressure)

01/08/2021

In the field of air conditioning, the Guinness Book of Records for the longest life air conditioner-Mitsubishi Electric Air Conditioner

In the field of air conditioning, the Guinness Book of Records for the longest life air conditioner-Mitsubishi Electric Air Conditioner The World Guinness Book of Records inspires everyone, whether it is an individual, family, school, team, company, or器2䀀
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08/15/2020

Accurate selection of industrial chillers needs to meet 6 conditions

The accurate selection of industrial chillers needs to meet six conditions. When we need to purchase industrial chillers, the selection becomes an important issue for us.

12/10/2024

How to detect the tightness of the refrigeration equipment system

Keep the refrigeration equipment under a proper vacuum for a certain period of time, and observe whether the air infiltrates the system from the reading of the vacuum pressure gauge to check the sealing performance of the system.

01/13/2025

Ultra3000 Servo Drive Failure Repair

We have listed the common faults and repair methods of Ultra3000 servo drives, if you need to replace the equipment, we provide <a href="https://okmarts.com/servo-product/allen-bradley-serve-product.html" alt="Allen Bradley Rockwell Servo Drive, Ultra3000 Servo Drive Repair">Allen Bradley Rockwell Servo Drive</a>

07/07/2020

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

08/14/2020

Why is the central air conditioner dripping Tracing the source to solve the problem

Central air-conditioning is comfortable and convenient, which is not to be missed for people who pursue high-quality life. In the process of using the central government, it is inevitable that you will encounter some problems.