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Die casting is a popular manufacturing process for casting products. There are two main die casting process types and several variations in process design. When molten metal is forced into mold cavities at high pressure, it is known as high pressure die casting. The process is best suitable for speedy and mass production of bulk metallic parts.
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Why Die Casting Surface Treatment Is Important
A lot of industrial operations choose to invest in die casting surface treatment for their parts. Although a surface finish for die casting is not needed, adding external finishes to die casting can significantly increase the quality and value of your product by giving it extra features that you or your clients may find appealing.
Find the Right Die Casting Company
When you are selecting a die casting corporation for your business, it's indispensable to find the right one. The right die casting company can be the difference between success and failure. Die casting parts that reliable and they are delivered in accordance with your time frame and within your budget can make your operations run a lot greater smoothly and efficiently. Considerations when deciding on a die casting company can also include the range of materials they are capable to work with and die cast on a routine basis, their pricing structure and how committed they are to communicate with your company.
Benefits of Recycling in the Die Casting Industry
One of the many advantages of die casting is that it is eco-friendly. Die casting can minimize waste and make use of recyclable materials. Just about everything concerned in the die casting process is recyclable. The die itself is recyclable and specialty mills can retool them as soon as they have outlived their usefulness. The material we most normally use in die casting manufacturing is aluminum, and aluminum is totally recyclable. In addition to being affordable, aluminum can be a very energy-efficient choice, because aluminum casting can produce a lot of usable material with pretty low energy. Something on the order of ninety-five percentage of aluminum die castings use only recycled material. In addition to being the most environmentally friendly form of metal shaping, we assume you will find it is the most efficient and produces the most excellent parts. Die casting also permits you to make complicated shapes with tighter tolerances and is faster than other methods. This can be a first-rate benefit if you are doing high-volume part production.
Let’s get to know some information about the air tightness test of die casting auto parts
As an integral part of the automobile, die casting auto parts are concerned about its air-tightness by the auto diecasting company. The products in the die casting auto parts field need special air-tightness treatment, and the state also has special grade requirements, meanwhile, different products have different detection methods. The research on the air tightness of the die casting auto parts is carried out by YINDI MATRIX DIE-CASTING CO., LTD, and the equipment customization is made according to the different detection requirements, and a good achievement has been achieved. So let us share you some information about the air tightness test of die casting auto parts.
First of all, analysis of the difficulty of detection
The shape of the die casting auto parts as a whole is irregular. The middle fovea is round, there are three contact pieces in there. There is a connector below, irregular long column. And three contact blocks below are used to connect zero devices in other parts of the car. The shape of automobile die casting is made of polygons and external waterproof shell, and there is a pair of interface extending in front of it, and the overall permeability is strong. The irregular shape makes it more inconvenient to detect the air tightness by using the shell material with high compactness, so it is necessary to use the mould to assist in the casting. When testing, it is necessary to take into account its non-damage, select the corresponding tooling, auto die casting, and pay attention to the calculation of its calculation method, pressure and software algorithm.
Second of all, the air-tightness detection process
In our test, the shape of the two products tested is relatively different, the mould tools used are also different, but all need to be carried out with the help of moulds. Firstly, the mould prepared for auto parts is casted according to the shape of the accessories. Then, put the accessories into the mould, close to the inner wall of the mould, leave a port on the right to place the alignment column under the accessories. When the upper and lower moulds are closed, the right testing instruments are stuck to the opposite interface. In this way, it’s more conducive to the conduct of testing. Automobile die casting modeling is special, multilateral shape plus its overall permeability is higher. Due to the fact that its custom mould is more according to its overall shape to cast, the bottom of the interface to the right side into the mold, at this time the die casting as a whole and the die inner wall stuck very closely, the upper and lower die closed, the right instrument stuck to the interface, the degree of sealing is high. In this way, it’s also more conducive to make sure about the accuracy of testing. Before the detection begins, the parameters are set on the instrument. After pressing the start key, the instrument will fill the mould with dry and impurity-free gas, then disconnect the compressed air supply, stabilize its pressure for a period of time, and monitor the small change of air pressure in the detection environment after a given measurement time. The sensor transmits this information to the detection system. Finally, through a series of operations, the leakage value of the gas can be obtained, and its gas tightness value can be detected according to the leakage value.
Main factors affecting the auto die casting industry in China
First of all, impact of periodic features
Due to the close relationship between the auto die casting industry and the upstream and downstream industries, the auto diecasting company is influenced by the periodicity of the upstream and downstream industries. And the metal material used for die casting auto parts is aluminum alloy, zinc alloy, magnesium alloy and copper alloy, wherein the aluminum alloy is at most 85 percent. The periodic fluctuation of the aluminum price greatly influences the cost of the auto die casting. In recent years, the proportion of the die casting products used in the automobile industry has been more than 70%, so the die-casting industry is largely influenced by the periodicity of the automobile industry.
Second of all, seasonal characteristic influence
The seasonal characteristics of auto die casting industry are not obvious, and its production and sales are less affected by season. However, the production and sales of die casting auto parts industry is greatly affected by the downstream vehicle industry production plan. Domestic and foreign automobile factories usually increase production plans in the fourth quarter of each year to cope with the impact of reduced production during the Spring Festival or Christmas holiday, making the first quarter of the industry generally less than the fourth quarter of sales.
Third of all, regional characteristic influence
From the overall point of view of auto die casting industry, the regional characteristics of die casting industry are very obvious. In the downstream customer gathering, economic activity and supporting developed areas are easy to form industrial clusters. At present, China has formed die casting industrial clusters such as Yangtze River Delta, Pearl River Delta, Northeast Three Provinces and Southwest China, among which the industrial clusters of Yangtze River Delta and Pearl River Delta are the most prominent. The two regions are economically active, supporting industries are developed, and the regional advantages are obvious.
Fourth of all, the influence of upstream industry
The metals used in auto die casting mainly include aluminum, zinc, magnesium and copper. The supply and price level of upstream raw materials have a great impact on the production cost of auto diecasting company. In general, the raw materials required in the die-casting industry are provided with sufficient supply, the price is relatively transparent, and the influence of the die-casting industry is less than that of the materials in the die-casting industry, but the price fluctuation of the metal materials is large, so that the production cost of the auto diecasting company can have a great influence.
The last but not the least, the relevant policies of the main product importing country and the competition pattern of the similar products in the importing country
The main importers of automotive aluminum alloy die castings are North America and the European Union. On March 8, 2018, the U.S. government decided to impose a full tax on imported aluminum products at a tax rate of 10 percent. On March 22, 2018, the U.S. government signed a memorandum of understanding to impose tariffs on imports from China. The change of international trade policy will have a great impact on China’s auto die casting industry, but the characteristics of the automobile industry also determine the long-term and stable cooperative relationship between the supply and demand side.
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