How to Make Your Printed Parts More Resistant?
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How to make your printed parts more resistant?
1. Adjust the print direction from the load application
Open the software, import the STL, and print it out? If you do, the problem of the low resistance of your parts is maybe there! If you want to print a simple, decorative piece that does not need high strength but good surface quality, but the best face down on the printing table. It will be completely smooth (of course, if the print parameters are correct).
If you want to print a technical part that supports a particular load, the visual aspect may not be more important than the resistance itself. So, the sense of impression is fundamental! If the effort is transversal to the layers, the part breaks easily. But, if the energy is following the layers, the piece will be more resistant.
So, before printing, think about how your object will be applied and see the best position to place on the printing table.
2. Check the correct type and percentage of filling.
Want to make your printed pieces stronger? So pay attention to these two points: the type and the percentage of filling!
Fill Types
Each slicer software can offer different types of padding. See the most common and the features:
Rectangular: it is one of the most common and used because it provides excellent resistance in all directions of loading and is easy to print;
Triangular: indicated for cases in the course of the shell force is needed. But, the downside is that it takes longer to publish the piece;
Wave: as the name implies, Indicated for cases in which the part must be capable of twisting or compressing. Widely used in flexible parts;
Wave: as the name implies, Indicated for cases in which the part must be capable of twisting or compressing. Widely used in flexible parts;
Fill Percentage
It is not always necessary to make a 100% fill in the parts to obtain higher resistance! There is a simple technique in which only the outer part of the piece is made. That is the “shell,” which is built around a lower density filling. This arrangement allows the object to be printed as quickly as possible at a reasonable cost.
It is not always necessary to make a 100% fill in the parts to obtain higher resistance! There is a simple technique in which only the outer part of the piece is made. That is the “shell,” which is built around a lower density filling. This arrangement allows the object to be printed as quickly as possible at a reasonable cost.
Besides, increasing the overall strength of the object. The fill percentage is also essential for resistance according to functionality. For example, consider an artifact designed to connect using a snap-fit (usually designed as a cantilever). At a low percentage of filling, the internal density of the cantilever is insufficient to withstand stress. As a result, it will come loose at the connection point. Therefore, increasing the percentage of filling will increase the density of the connection, with a corresponding increase in resistance.
3. Choose the right material for the application.
Another way to increase the resistance of your printed piece is to choose the material to use correctly. PLA, ABS, and PETG have very different characteristics and behaviors. For example, PLA is the hardest, but this high hardness results in low mechanical tensile strength. ABS can absorb more load before breaking. PETG is even more elastic, withstand more work before breaking.
4. Use special techniques
We will give you a fascinating and unique tip to increase the resistance because printed parts are not as reliable as injection molded parts. However, there is a way to fix this problem quickly.
5. The technique consists of:
Drill two holes separately in the object. Choose a resin according to the desired percentage of strength increase. Inject it into one of the spots (the other allows the indoor air to escape).
One last important tip is to think first about the piece’s design so that you can more easily identify which material is suitable, which percentage of fill is ideal and which technique to use.
In this article, we saw five tips on how to increase the resistance of the printed parts, As the types of filling and how to make the best choice material according to the application you want to perform.