Advances in Die Cast Processes

This information will discuss how to prolong the service life of the die-casting mould from three aspects namely material, design and manufacture. The service life of a die casting mould is a very important indicator when the user considers the grade of a mould. At the same time frame, it is just a key factor that greatly influences the economic advantage of the die casting industry. Therefore, to enhance the service life of a mould is of great help for the economic benefits and social benefits. It’s worthwhile doing some research about just how to prolong the service life with this mould High pressure die casting.

There are certainly a lot of factors that affect the die-casting mould. From the perspective of the operational performance, the failure of the mould is especially shown by these situations. What comes first is that the mould becomes old and brings about the cracking.

Next, since the mould cracks, it can not be used. Thirdly, as the mould often has various problems, it can not be used. As for the main factors that lead to the breakage of the die casting mould, they may be discussed as follow: through the operation, the mould is attacked by the aluminium liquid with warm and high pressure.

Besides, as the aluminium liquid has warm, the mould expands when heated and contracts when cooled all the time. Therefore, the damage of the mould is principally caused by the attack, press, compression and expansion. Based on the reasons, the service life of a die-casting mould could be prolonged through reducing the attacking speed, pressure, temperature and so on.

There are always a lot of methods that could prolong the operation time of the die casting mould. In this article, the writer will discuss the methods from three aspects. Firstly, the mould material and heat treatment of the material have a good influence on the service life of a mould. In accordance with different requirements for the castings and various die casting conditions, people should choose the correct mould steel and optimal heat treatment, because it is really a very significant method to prolong the operation time.

Secondly, the design of the mould is another important factor. Therefore, when designing the mould, people should fully consider different factors on the cornerstone of the top features of the castings. They could look closely at the next questions: whether the effectiveness of the mould is sufficient; whether the pouring head is suitable; whether the cooling device or the warming device is reasonable. Last however, not least, to be able to prolong the operation time, new manufacturing technology ought to be explored positively, such as for example new nitriding method or titanizing method.

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