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  • What are the advantages of aluminum alloy die castings?
    2023-04-09

    What are the advantages of aluminum alloy die castings?

    The density of aluminum alloy die castings is relatively small, and it has the characteristics of high strength, strong toughness and light specific gravity. Therefore, under the same structural area, the weight of structural parts can be reduced, so aluminum alloy die-casting parts are widely used in many machines and some precision small parts. The surface gloss of aluminum alloy is brighter than that of ordinary metals, and it has good corrosion resistance in the atmosphere and fresh water, so it has a wide range of uses in the manufacture of civil utensils. Aluminum alloy die-casting parts have good thermal conductivity and electrical conductivity. They are also suitable for use in heat exchange devices used in chemical production and parts that require good thermal conductivity in power machinery, such as cylinder heads and pistons of internal combustion engines. alloy to manufacture. Due to the large solidification latent heat of aluminum alloy, under the same weight conditions, the solidification process of aluminum liquid lasts much longer than cast steel and cast iron, and has good fluidity, which is beneficial to casting thin-walled and complex-structured castings. Aluminum alloy die castings not only have the characteristics of high strength, strong toughness, light specific gravity and texture of metal, but also have the characteristics of light weight of plastic and diversified surface technology. Therefore, aluminum alloy die castings are widely used in various fields. For example, it is widely used in door bath hardware, banking, aviation, electronic products, ships, building materials, home appliances, various vehicles and instrument industries. The following Nanhai Fengyi Hardware will explain to you the following advantages of aluminum alloy die castings:        1. Aluminum alloy is conductive;        2. Aluminum alloy has high fluidity, which can fill the mold at the fastest speed during die casting;        3. Aluminum alloy has the characteristics of high strength, strong toughness and light specific gravity;        4. Aluminum alloy has strong viscosity, and it is easy to stick to the mold during die-casting;        5. Aluminum alloy has strong corrosion resistance and wear resistance;        6. The density of aluminum alloy is relatively low. For products with the same volume, the quality of aluminum alloy is relatively light, so it has the characteristics of lower price than other alloys.
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  • What are the characteristics of die castings?
    2023-04-08

    What are the characteristics of die castings?

    1. Casting speed: The casting speed of aluminum die castings is directly proportional to the liquid cavity of the ingot. If the casting speed increases, the liquid cavity and temperature gradient of the ingot will increase, resulting in a large shrinkage stress at the bottom of the liquid cavity and increasing the probability of thermal cracks in the ingot, so the speed must be controlled. 2. Casting temperature: A good casting temperature of aluminum die castings will keep the liquid metal in good fluidity, thereby reducing tissue stress and preventing cracks. The general casting temperature should be determined according to the material type and ingot specification. If the temperature is not suitable, it will increase the internal stress and cause the casting to crack or crack. If the temperature is too low, it is not good, because it will cause defects such as cold shut, slag inclusion, or even cracks on the surface of the ingot, and the casting cannot continue in severe cases. 3. Liquid level height: The position of the liquid level of die castings is also very important. If it is too low, it will increase the thermal cracking tendency of the material and seriously affect the casting process. If the liquid level is too high, the degree of segregation of the ingot will increase. Therefore, there should be a suitable liquid level height. Die-casting aluminum alloy castings have advantages that other castings cannot compare with in the application process. The product quality is very light and the appearance is very beautiful. The application of aluminum alloy castings is deeply loved by users, especially since the lightweight of automobiles, the casting industry has been widely used in automobile production.
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  • Properties of Aluminum Die Castings
    2023-04-07

    Properties of Aluminum Die Castings

    Cast aluminum alloy has some advantages that other castings cannot match, such as beautiful appearance, light weight, corrosion resistance and other advantages, making it widely favored by users, especially since the lightweight of automobiles, cast aluminum alloy castings have been widely used in the automotive industry Applications.   The density of cast aluminum alloy is lower than that of cast iron and cast steel, but its specific strength is higher. Therefore, the use of aluminum alloy castings under the same load conditions can reduce the weight of the structure, so aluminum alloy castings are widely used in the aviation industry, power machinery and transportation machinery manufacturing. Aluminum alloy has good surface gloss and good corrosion resistance in the atmosphere and fresh water, so it is widely used in the manufacture of civil utensils. Pure aluminum has good corrosion resistance in oxidizing acid media such as nitric acid and acetic acid, so aluminum castings also have certain uses in the chemical industry. Pure aluminum and aluminum alloys have good thermal conductivity. They are also suitable for heat exchange devices used in chemical production and parts that require good thermal conductivity on power machinery, such as cylinder heads and pistons of internal combustion engines. manufacture.
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  • What are the causes of direct defects in aluminum die castings?
    2023-04-06

    What are the causes of direct defects in aluminum die castings?

    After the production of aluminum die castings is completed, there will be some small defects such as air bubbles, cracks and deformation, which will affect our use. So what directly causes these defects? Let me introduce it to you! The causes of direct defects in aluminum die castings are generally due to incorrect mold and die casting schemes; or unreasonable structural design of castings, incorrect operation methods, and incorrect casting process conditions; unskilled operators and other reasons. Will cause direct defects in aluminum die castings. Aluminum die castings play an extremely important role in mechanical operation. When purchasing, we should pay attention not to buy defective aluminum die castings. If we buy them, we must repair them in time before using them.
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  • The principle of die casting machine mold
    2023-04-05

    The principle of die casting machine mold

    Two dies are used in die casting; one is called the "cover die half" and the other the "ejector die half". Where they meet is called the parting line. The cover die contains the sprue (for hot-chamber machines) or shot hole (for cold-chamber machines), which allows the molten metal to flow into the dies; this feature matches up with the injector nozzle on the hot-chamber machines or the shot chamber in the cold-chamber machines. The ejector die contains the ejector pins and usually the runner, which is the path from the sprue or shot hole to the mouldcavity. The cover die is secured to the stationary, or front, platen of the casting machine, while the ejector die is attached to the movable platen. The mould cavity is cut into two cavity inserts, which are separate pieces that can be replaced relatively easily and bolt into the die halves.
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  • What is a hot chamber die casting machine
    2023-04-04

    What is a hot chamber die casting machine

    Hot-chamber die casting, also known as gooseneck machines, rely upon a pool of molten metal to feed the die. At the beginning of the cycle the piston of the machine is retracted, which allows the molten metal to fill the "gooseneck". The pneumatic- or hydraulic-powered piston then forces this metal out of the gooseneck into the die. The advantages of this system include fast cycle times (approximately 15 cycles a minute) and the convenience of melting the metal in the casting machine. The disadvantages of this system are that it is limited to use with low-melting point metals and that aluminium cannot be used because it picks up some of the iron while in the molten pool. Therefore, hot-chamber machines are primarily used with zinc-, tin-, and lead-based alloys.
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  • The metal weight of the current die casting machine
    2023-04-03

    The metal weight of the current die casting machine

    The main die casting alloys are: zinc, aluminium, magnesium, copper, lead, and tin。Specific die casting alloys include: zinc aluminium; aluminium to, e.g. The Aluminum Association (AA) standards: AA 380, AA 384, AA 386, AA 390; and AZ91D magnesium.The following is a summary of the advantages of each alloy: As of 2008[update], maximum weight limits for aluminium, brass, magnesium, and zinc castings are estimated at approximately 70 pounds (32 kg), 10 lb (4.5 kg), 44 lb (20 kg), and 75 lb (34 kg), respectively.By late-2019, press machines capable of die casting single pieces over-100 kilograms (220 lb) were being used to produce aluminium chassis components for cars.
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  • Pre-sale service of die casting machine
    2023-04-02

    Pre-sale service of die casting machine

    We manufacture advanced die-casting machines from 3,400 up to 92,000 kN locking force. From a single machine to a fully integrated die-casting cell, we build customized solutions for your foundry. Every die-casting system is engineered to meet your precise production needs. Our solutions, focused on availability, cycle time and quality production, are used to produce demanding components across a wide range of applications around the world. We offer one integrated solution. Each system is tailored to the parts you produce, your processes and factory environment, ensuring you get the efficiency, quality, ease of operation and automation to suit your precise needs. The material used defines the minimum section thickness and minimum draft required for a casting as outlined in the table below. The thickest section should be less than 13 mm (0.5 in), but can be greater. The first and most important step towards our vision is the introduction of our cell management system SmartCMS, to enable one point of access to view, control and operate the entire die-casting cell. We offer a full range of peripherals, from vacuum systems, sprayers and markers to ladlers, extractors and robots. The integration of our peripheral devices allows for a consistent operating concept, for an easier handling of your die-casting system. Additionally, we can integrate your preferred peripherals into your customized production solution. We offer a full range of peripherals, from vacuum systems, sprayers and markers to ladlers, extractors and robots. The integration of our peripheral devices allows for a consistent operating concept, for an easier handling of your die-casting system. Additionally, we can integrate your preferred peripherals into your customized production solution.
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