Why is it necessary to polish the rapid prototype making?
Date: 2022-10-14
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Why is it necessary to polish the rapid prototype making?

Friends who understand the craftsmanship of the prototype model know that it mainly has many forms: 3D printing, CNC machining, complex molding, etc. One of the important links is grinding. For example, after CNC machining, the surface of a part will contain a lot of burrs and tool marks. Therefore, manual processing is required. Generally speaking, there are two main methods for making and grinding the rapid prototype: mechanical grinding and dry grinding.

Mechanical grinding: During large-scale construction, in order to improve work efficiency, mechanical grinding methods such as electric grinders (disc type, vibration type) can be used.

When dry grinding, rough sanding is required with coarse sandpaper, then the rough surface is removed, and then carefully sanded. After one grinding is completed, putty can be encountered to magnify the roughness of the surface of the product, so that defects can be observed with the eyes, and the existing defects can be corrected until a product completes all the grinding processes.

The role of polishing the rapid prototype:

1. Enhance the adhesion of the coating: Before spraying the new paint film, the dried old paint film is usually polished, so there will be phenomena such as smooth surface transition and poor adhesion. Therefore, the mechanical adhesion of the coating can be enhanced after sanding.

2. Substrate: For the substrate, it is mainly to remove the burrs, oil and dust on the surface of the substrate.

3. Scraping the surface of putty: Generally, the surface is relatively rough, and sanding is required to obtain a relatively flat surface, so grinding can reduce the roughness of the surface of the workpiece.

From the above content, we have learned two methods for making and grinding the rapid prototype, and I hope it will be helpful to everyone. If you want to know more about the production of prototype models, please contact Shenzhen Xiehe Prototype Processing Factory: +86 13682610409.


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