Precision Automobile Part

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Under the normal die-casting conditions, the jet and jet flow die-casting machine presses the metal into the ordinary die-casting model cavity. At the initial stage, the metal liquid passing through the inner gate is directly shot forward at a high speed like a bullet under the action of motion energy, and its direction depends on the direction of the inner gate, The metal flow in this state is called "the metal liquid sprayed at high speed will collide with the cavity wall and core or other...

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Shrinkage occurs when the temperature of molten metal decreases. When the temperature of molten metal decreases, the surface and internal temperatures do not decrease at the same time. The surface layer of molten metal cools very quickly, and then the internal temperature decreases. It can be seen from this that the liquid metal begins to condense from the surface, and the internal part slightly lags behind the condensation circle and contracts. If the metal liquid is not added to the inside of...

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Five special durability of gold die casting: aluminum has strong stability and resistance to residual materials, and various large indoor and outdoor decorative products manufactured can maintain their color for a long time. Aluminum has good ductility, is easy to have toughness, can be recycled repeatedly, and its application range is more safe: through various strict tests, the resistance strength of aluminum alloy die castings to earthquake, wind pressure and weathering can be guaranteed....

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In order to enable electronic components to operate at a high speed, the heat generated by it needs to be discharged as soon as possible. The heat dissipation mode is to install a heat dissipation module in the heating electronic components. The heat dissipation module generally includes a plurality of heat fins and heat pipes penetrating these heat fins. The heat dissipation fins of the thermal element are used for heat dissipation by air heat exchange. The heat dissipation module is mainly...

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Aluminum alloy die casting is a common metal manufacturing process, so what are the main characteristics of its process? Why is the most common metal on the market manufactured using aluminum alloy die casting technology? Today, Shangjie's editor will take you to understand. Process characteristics of aluminum alloy die casting parts: 1. Complex shape: Aluminum alloy die casting parts can be manufactured in various shapes through complex molds, meeting the needs of different fields. 2. High...

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Theory of Full Wall Thickness Filling in Aluminum Alloy Die Casting The theory of full wall thickness filling in aluminum alloy die casting was developed by Brandt in 1937 using aluminum alloy to press into an experimental die casting mold. The test mold has internal gates with different thicknesses (0.5~2mm) and rectangular cross-section cavities with different thicknesses. The ratio of the cross-sectional area of the internal gate to the cross-sectional area of the cavity is 0.1~0.6. Brandt...

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Magnesium alloy die casting is a type of alloy commonly used in automobiles. Magnesium alloy die casting machines are the most indispensable machines for producing magnesium alloy die casting. To ensure the effective operation of each magnesium alloy die casting machine, Metal Machining Part are a very important part. In magnesium alloy die casting machines, molds are one of the most important accessories. A mold is a tool used to manufacture the desired product shape, and its quality and...

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Three stage filling morphology In the first stage, after the metal flow limited by the area of the inner gate is injected into the mold cavity, it first impinges on the opposite mold wall, extending in all directions along the mold surface. When the mold cavity has the correct thermal balance j, a surface layer is formed on the mold wall through which the metal flows, which is the outer shell (thin shell) of the die casting. This stage affects the surface quality of the die casting. In the...

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The aluminum alloy die casting process is based on two methods: hot chamber die casting and cold chamber die casting. The main difference lies in the location of alloy melting depletion. During hot chamber die casting, the pressure chamber is usually immersed in the metal liquid of the cyanotic cochlea; while cold chamber die casting refers to the separation of the pressure chamber from the alloy melting process, and is divided into three forms, horizontal, vertical, and fully vertical,...

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What methods are there to extend the service life of aluminum alloys? I wonder if everyone knows about anodizing, which is a surface treatment technology. So what is anodizing? Today, the editor of Shangjie Company will take you to understand what anodizing and anodized color aluminum alloy die casting are. Anodizing refers to the formation of a dense, hard, and ceramic like oxide film on the surface of aluminum alloy products after special treatment. Color anodizing is based on anodizing,...

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As an important input tool for electronic devices, the quality and accuracy of the keyboard casing directly affect the user experience. Most basic keyboard shells are produced using injection molding technology, but the precision of the injection molding process is limited and is not suitable for producing high precision keyboard shells. The aluminum alloy die-casting process can produce keyboard shells with stable dimensions and high accuracy, which are widely used in high end keyboard...

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Mold manufacturing, mold testing, and drawing modification After the mold pattern is delivered for processing, it is also necessary to pay attention to tracking the entire process of mold processing and manufacturing, as well as the process of mold testing and repair, promptly change the unreasonable design or supplement the design omissions, and modify the mold processing factory's inability to meet the local processing requirements of mold parts until qualified die castings can be produced...

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The aluminum alloy die casting process is widely used in various fields. The main use of the products produced by Enchuang Technology is still in the parts or shells of some instruments. The aluminum alloy die casting products are currently mainly used in automotive parts, electronic shells, communications, motors, aviation, ships, household appliances, private accessories, digital shells, handicrafts, security product shells, LED lighting (lampshades), and some new energy industries, with some...

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The manufacturing process of metal keyboards. The working principle of a metal keyboard is the same as that of a regular keyboard, but the internal structure is different. A metal keyboard is made of special metal materials, such as aluminum alloy or stainless steel, which give it a sturdy appearance and higher durability. The internal structure of metal keyboards is usually designed with waterproof and dustproof functions to prevent moisture and dust from entering the keyboard, ensuring the...

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The most commonly used alloy process is the aluminum alloy die casting process, which is also widely used in various industries. Why is it so popular in so many industries? Today, let's take a look at why it is so popular. It uses high pressure to inject molten aluminum alloy into the mold, and through cooling and solidification, the required aluminum alloy parts are finally obtained. The manufacturing process is simple and efficient, with low manufacturing costs and stable and reliable product...

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1) During die casting, minimize segregation. If aluminum segregation occurs in certain parts, during degreasing, aluminum will first dissolve, creating pores and pinholes on the surface of the die casting that cannot be cleaned, resulting in poor adhesion, and causing peeling and blistering of the coating. 2) The residue from the process of die casting and machining should be cleaned as much as possible after processing. Because the residue is an active metal, it will react with the solution in...

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Aluminum alloy die casting has good thermal conductivity and is prone to thermal deformation during processing. It is necessary to choose appropriate cutting parameters and coolant, control processing temperature and thermal deformation. Die Casting Part made of aluminum alloy have lower hardness and are prone to scratches and indentations on the machining surface. It is necessary to choose appropriate cutting tools and machining methods to avoid surface damage. Aluminum alloy die casting has...

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1、 Precision Die Casting Technology: The connecting parts of the aluminum alloy vehicle body frame structure are mostly formed by casting, and the casting methods used are mainly advanced high-precision die casting methods such as semi solid die casting. There are currently two forming processes for semi solid die casting: rheological forming and thixotropic forming. The former involves feeding liquid metal into a specially designed injection molding cylinder, applying shear by a screw device...

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Correct use and protection of precision die casting molds: minimize rapid cooling and heating of the mold, maximize continuous production, and prohibit high-speed injection under cold mold conditions. During the process of precision die casting, the die casting mold has been changing back and forth between 160 degrees and 350 degrees. The hot expansion and cold contraction of the return mold rapidly cools and heats up, resulting in mold fatigue damage. Therefore, during the production of...

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Try to reduce the injection speed and specific pressure to reduce the impact of the mold. During the production of precision die casting, the concavity and convexity of injection speed not only affect the filling speed and injection inner gate speed of precision die casting, but also increase the impact peak value when the injection speed is high. As a result, the erosion of the mold will increase, the impact peak value will increase, the impact force received by the mold will also increase,...