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Comparison Of Three Different Rapid Prototyping Processes
Sep 22, 2017

Referring to the rapid prototyping process, we all know that this is one of the most popular production processes nowadays, especially in the manufacturing industry has a broader mass base. Although it can achieve this purpose, but the rapid prototyping process, the market there are four different forms, and there is still a difference between them. Here we compare these three different molding processes.

Rapid prototyping

1, FDM melt deposition molding

Features: This process is carried out by extruding the filaments of the filamentary material, such as thermoplastics, waxes or metals, from the heated nozzles, at a fixed rate, according to the predetermined trajectory of each layer of the part.

Advantages: If you use this rapid prototyping process, it can be used for more types. And the shape of the sample is good, can directly produce ABS plastic; high dimensional accuracy, better surface quality, easy assembly.

Disadvantages: the shortcomings of this process is forming a long time, but also in the small pieces and fine pieces when the advantage is not obvious.

2, SLS selective laser sintering

Features: This molding method is in the process of forming because the powder is sintered, and then shape it.

Advantages: Relatively speaking, this molding method of high utilization of materials, modeling faster. And there is a direct metal type concept that can be directly obtained from plastic, wax or metal parts.

Disadvantages: The shortcomings of this molding process is difficult in the post-processing to ensure that the workpiece size accuracy, post-processing process is complex, variable variants, can not be assembled.

3, SLA light curing molding

Advantages: and the two molding process is different, this process is suitable for small pieces and fine pieces, and forming a very fast, forming accuracy, high surface quality. As a result, relatively, this molding process is the most popular.

Disadvantages: The use of this molding process has limitations, such as photosensitive resin after curing more brittle, easy to break, machinability is not good. And the molding of the working environment when there are relatively high requirements, such as the working temperature can not exceed 100 ℃, forming parts easy to moisture expansion, corrosion resistance is not strong.

The above three are now on the market more popular rapid prototyping process, although they have their own characteristics and the inevitable advantages and disadvantages, but it is also the emergence and development of these technologies, which makes our manufacturing industry more stable And the amazing speed in the development. If you are interested in this molding process, you can contact us Oh.