Vacuum coating machine titanium die casting for aviation industry
Vacuum coating machine vacuum die casting is a technology that can be used by titanium casting production plants. Vacuum coating equipment can improve the quality of castings and reduce the cost.
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As the application of titanium castings in the aerospace industry continues to grow, various manufacturers are committed to finding production methods that can reduce production costs to replace high-cost titanium parts, especially in today's world where there is fierce competition. Therefore, titanium castings with lower cost and similar mechanical properties to castings can not only replace existing bars and titanium parts, but also parts of other materials. VDC technology was developed for the production of high-quality, low-cost titanium castings. Typical applications for its castings include aircraft bodies and other aerospace and industrial components.
The true coating machine and vacuum coating equipment die-casting technology is used to produce aluminum, magnesium, zinc, and copper-based alloy castings. It has been used in the machinery manufacturing industry for many years. This type of die-casting is produced by melting the metal in the atmosphere, and then injecting the molten metal into the mold under high pressure. The casting is a net shape or a near-net shape. After the casting, a slight treatment or processing can obtain the final shape. This process has a short processing cycle, and the time from the molten metal to the net shape is usually less than 15S.
The vacuum coating machine's requirements for titanium die-casting technology are completely different from traditional titanium alloys. The most important thing is that the metal melting chamber and mold must maintain high vacuum. Otherwise, the oxygen content of the casting is large and cannot meet the technical conditions of aviation alloys. The method of vacuum die-casting titanium casting by vacuum coating machine is the same as the standard die-casting process, except that the evacuation time of the melting chamber / cavity and the melting time of the titanium alloy should be extended. Material, induction shell melting. Compared with the continuous casting method of die-casting aluminum, its melting time takes 5 minutes more.
Compared with other methods, such as investment casting, the vacuum coating machine's vacuum die-casting titanium casting process is simple, so the cost is generally low. The vacuum die-casting process does not require dewaxing, shelling and chemical cleaning, and the process is reduced by half. Compared with investment casting, Or forging process, which can save about 30% of the cost. Since the vacuum die-casting mold directly contacts the molten titanium liquid, its service life is shortened, and the cost of the mold part is larger than that of the investment casting method.
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At present, the vacuum die-casting method using a vacuum coating machine can only cast some titanium castings that are monolithic, single-sided, and simple in shape, while investment casting can cast very complex shapes and hollow castings. In addition, the vacuum die-casting can only be used for casting at most each time. The maximum size of the casting is 18kg. The castable titanium alloys are Ti-6Al-4V, Ti-6Al-2Sn-4Zr-2Mo, Ti-15V-3Al-3Cr. 3Sn and Alloy C.
Zunhua Baorui Titanium has specialized in manufacturing various vacuum coating application equipment for more than ten years. It has been committed to research and development and production of vacuum coating machine for many years, and provides customized process solutions and vacuum coating equipment for industry customers.