What are the characteristics of air conditioning sheet metal components?
2023-09-27 09:52
What are the characteristics of air conditioning sheet metal components?
Sheet metal is a product processed by sheet metal technology, and we cannot live without sheet metal everywhere. Sheet metal parts are made through filament power winding, laser cutting, heavy processing, metal bonding, metal stretching, plasma cutting, precision welding, rolling forming, sheet metal bending forming, die forging, and water jet cutting.
What are the characteristics of air conditioning sheet metal components?
Its prominent feature is that the thickness of the same part is consistent. Products processed through sheet metal technology are called sheet metal parts. The sheet metal parts referred to in different industries are generally different, and are often referred to as' assembly parts'.
Metal sheets have the characteristics of light weight, high strength, conductivity (which can be used for electromagnetic shielding), low cost, and good mass production performance. It has been widely used in fields such as electronics, communication, automotive industry, medical devices, etc. For example, in computer casings, mobile phones, and MP3 players, metal sheets are indispensable components.
With the increasingly widespread application of sheet metal parts, the design of sheet metal parts has become a very important part of the product development process. Mechanical engineers must be proficient in the design techniques of sheet metal parts. The designed sheet metal not only meets the functional and appearance requirements of the product, but also makes the manufacturing of stamping molds simple and cost-effective.
Functions of air conditioning sheet metal components
1. Compressor, equivalent to the heart of air conditioning. Used to compress refrigerant.
2. External evaporator, where the refrigerant is compressed and subjected to high temperature and pressure before flowing into the external evaporator.
3. Cooling fan, high-pressure refrigerant flows into the external evaporator, and the heat is discharged through the heat dissipation fins.
4. After the capillary tube and fan discharge heat, the refrigerant temperature is close to or equal to the outdoor temperature, but still under high pressure. If the diameter of the capillary is very small, high-pressure refrigerant will slowly pass through the capillary.
5. Internal evaporator, due to capillary effect, the pressure of the refrigerant decreases when it enters the internal evaporator, and the refrigerant evaporates into gas. Vaporization heat absorption, I have studied physics in junior high school. At this point, due to the evaporation of the refrigerant, the temperature of the internal evaporator is very low.
6. Indoor fan, which sucks in high-temperature air from the room and passes through the evaporator, and then discharges low-temperature air into the room to achieve cooling effect.
7. Air outlet motor, used to adjust the exhaust direction of the internal unit.
8. Four way valve
1) The above is the working sequence of refrigeration, followed by heating, which requires a four way valve to change the interface between the internal and external evaporators.
2) Pressure relief: When the air conditioning is turned off, the refrigerant behind the compressor is still under high pressure. To prevent high-pressure damage to compressor and other components, the four-way valve stops working when the air conditioning is turned off, the high and low pressure pipes are connected, and the high-pressure refrigeration machine releases pressure to achieve the purpose of pressure relief. Therefore, when the air conditioning is turned off, some outdoor units may make a sound of deflation.
9. Controller, temperature sensor, indicator light, display, buzzer, etc. These components are generally integrated on a complete circuit board to control the operation of various components of the entire air conditioning system and present the air conditioning status to the user.
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What are the characteristics of air conditioning sheet metal components?
Sheet metal is a product processed by sheet metal technology, and we cannot live without sheet metal everywhere. Sheet metal parts are made through filament power winding, laser cutting, heavy processing, metal bonding, metal stretching, plasma cutting, precision welding, rolling forming, sheet metal bending forming, die forging, and water jet cutting.
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Car charging cabinet sheet metal manufacturers: What are the precautions for customizing sheet metal processing cabinets?
Reasons and Solutions for Edge Burning of Popular Laser Cutting Machines Used by Automobile Charging Cabinet Sheet Metal Manufacturers Reasons and solutions for edge burning in laser cutting machines Today, the sheet metal manufacturer of car charging cabinets will share with you the reasons and solutions for the edge burning of popular laser cutting machines. I hope the following content can help everyone. Car charging cabinet sheet metal manufacturer: analysis of the reasons for edge burning of metal laser cutting machines The reason for edge burning and slag sticking in laser cutting of sheet metal parts: When laser cutting sheet metal parts, a large amount of heat is generated. Generally, the heat generated by cutting will diffuse along the slit into the processed metal plate, obtaining sufficient cooling. When metal laser cutting machines process small holes, the outside of the hole can be fully cooled, but the heat diffusion space inside a single hole is small, and the heat energy is too concentrated, leading to phenomena such as overburning and slag hanging. In addition, in thick plate cutting, the molten metal and heat accumulated on the material surface during perforation can cause auxiliary airflow disorder and excessive heat input, leading to overburning. Car charging cabinet sheet metal manufacturers: How to solve the problem of burning edges and slag hanging Solution to overburning in laser cutting of carbon steel holes: In carbon steel cutting with oxygen as the auxiliary gas, the key to solving the problem lies in how to prevent the generation of oxidation reaction heat. When piercing, auxiliary oxygen cutting is used, and after a delay, auxiliary air or nitrogen cutting is used. This method can process holes in 1/6 thick plates. Pulse cutting conditions with low frequency peak output power can reduce heat output and help optimize cutting conditions. Setting the conditions as a single pulse laser beam, high energy intensity, and low frequency peak output can effectively reduce the accumulation of molten metal on the material surface during the perforation process, effectively stopping heat output. Solution for laser cutting of aluminum alloy and stainless steel: In the processing of such materials, nitrogen gas is used as the auxiliary gas, and there will be no burning phenomenon during cutting. However, due to the high temperature of the material inside the small hole, the phenomenon of internal slag hanging will be more frequent. An effective solution is to increase the pressure of the auxiliary gas and set the conditions to high peak output and low-frequency pulse conditions. When using air as the auxiliary gas, just like when using nitrogen, there will be no overburning, but bottom slagging is easy to occur. Therefore, it is necessary to set the conditions to high auxiliary gas pressure, high peak output, and low-frequency pulse. The above is the reason and solution for laser cutting machine edge burning explained by the sheet metal manufacturer of the car charging cabinet. Do you all understand? If you want to learn more about relevant knowledge, please feel free to contact our automotive charging cabinet sheet metal manufacturer. We will wholeheartedly serve you and hope that the knowledge explained above can help you. Thank you for your patience in watching and wish you a happy life.
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