Dongguan King Chang De Gravity casting Co., Ltd.
Contact： Tony Jiang
Phone：133 8018 1321
Tel: +86-769-85042819
+86-0769-85042829
Fax: +86-769-85042979
E-mail: tony@kcdcast.com
Address:ZhanBei Road， Baisha 1 Village，
Humen Town， Dongguan City ，Guangdong ，China |
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Gravity casting mold application analysis
Date:
2013-11-14
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Advanced equipment, of course, is to ensure that the essential factors of product quality, but the role of mold in the casting is also very important. Especially for aluminum, aluminum alloy automotive parts manufacturers, accuracy and durability of the mold's impact on product quality is obvious.
Ferrous metal casting, mold more in order to form a mold cavity, the general mold itself does not directly contact with the liquid metal, especially for the complex shape of the non-metallic die casting especially in contact with the hot liquid metal shape material, mainly sand, which makes the molding material to become a major factor affecting the quality of casting. Gravity casting is different, due to lower aluminum alloy melting point, good casting performance, in mass production, the shape of the casting by the mold formed, such as aluminum engine block, cylinder head, etc., not only help to improve labor productivity, but more importantly, by adjusting the temperature of the mold in different parts of distribution, to control the organizational structure and grain size of the casting to improve casting quality, while avoiding a large number of environmental pollution brought about by the use of modeling material to improve the labor conditions of the workshop.
With different complexity of the shape castings, aluminum gravity casting mold of the same. Even the same parts, using different casting process, mold forms are often different, however, Gravity casting mold or something in common.
First, you must select the appropriate casting process, the pros and cons of the casting process is directly related to the level of casting quality and process yield. Some mold factories have begun to use solidification simulation to the casting process-assisted design and computer simulation of filling and solidification process, it is easy to produce heat in parts of the casting defects be overcome to improve the design of the casting process and reliable to effectively prevent unnecessary rework of molds in the debugging process, it is very important and effective.
Secondly, the mold have a good volume heat capacity. Thick mold and modules to meet the requirements, is not only effective guarantee of the die life, and have a very important role in the regulation of the temperature field in the mold of continuous work process. Some mold factory, in order to reduce costs, save materials, simply reduce the effective thickness of the mold in order to achieve the purpose of reduce weight, does not know that this not only greatly reduce the life of the mold and the casting is easy to deformation, affect the dimensional accuracy of castings, and in severe will lead to the casting batch scrap losses to the foundry, more serious damage to the reputation of the mold factory.
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