Summarize of the most popular casting technologies nowaday

The current casting technologies, although improved a lot in quality and quantity, still have major shortcomings that need to be optimized. Here are the pros and cons of metal casting technology:

Advantages of casting technology

• Casting technology is essentially the melting of casting materials and then pouring materials into the mold to create a product of the desired shape, so it can melt various materials such as aluminum, copper, and cast iron. steel for casting statues, machinery ...
• Casting technology is not limited to casting weight, maybe the casting product weighs several tens of kilograms to tens of tons.
• With modern casting technology, it is possible to create a casting with complex shapes that other technologies cannot.
• High labor productivity, not much investment capital

Disadvantages of current casting technology

• Traditional casting technology with accuracy compared to technical drawings is not high.
• With metal casting method, it is very expensive to use metal through intermediate stages.
• There are still shortcomings such as pitting moss, deficiency, fire and slag.
• Heavy and dangerous work

There are many methods of metal molding, here are 5 most popular and most modern casting technologies used by factories and enterprises.

Sand casting technology

In sand molding technology, there are two types of sand: fresh sand and dry sand. Fresh sand is used to create clay sand, dry sand is to use wet sand mold to dry. Fresh sand casting technology has a greater processing capacity than dry sand casting technology. Most businesses are no longer using fresh sand casting technology to make molds, but they face a big problem of being unable to reuse sand when using dry sand casting technology.

Flow mold casting technology 

This is considered a modern casting technology applied by many factories by its high accuracy and mobility. The difference of this molding technology compared to other technologies is the use of polyesteron with low melting temperature, when put into a mold combining vacuum to shape the mold, the mold will be sturdy. The liquid when poured will cause polyesteron to burn and form a complete mold with high gloss and smoothness.

Furan casting technology

Furan is a plastic, when mixed with acid and sand will create a very solid, high gloss smooth mold material. This method is often applied by Japan due to its excellent aesthetics and accuracy.

The only minus point with Furan casting technology is toxicity, which greatly affects workers' health without safety protection.

Above are the most popular casting technologies today, hopefully with this article, you will better understand the mechanical manufacturing industry in our country, step by step transforming how industrialization and modernization are.

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