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How to judge the accuracy of FDM 3D printers

accuracy of FDM 3D printers,printed products

As we all know, the accuracy of FDM 3D printers may actually be around 0.2mm. In theory, all manufacturers have standard 0.1mm. However, some people in the market say that the accuracy of their FDM 3D printers can reach 0.02mm. Is this worth thinking about? How to judge the accuracy of a 3D printer? The factors that affect 3d printing accuracy are as follows:

accuracy of FDM 3D printers,printed products

1. Principle of 3D printer.

Discrete layers, stacked to form. Among them, each layer is layered by software. Stacking is done using a 3D printer, and our software can set the layer height to 0.05mm. The layer height here is 0.05mm, which does not mean it will be printed. The accuracy is 0.05mm, but it should be clearly pointed out that 0.05mm means that the 3D printer stacks 0.05mm layers.

accuracy of FDM 3D printers,printed products

2. 3D printing hardware.

Support processing 6 optical axes to move the nozzle. When processing these optical axes, there is a certain error range, and there are also errors in the combination of the optical axis and the nozzle, so these errors are inevitable and can be reduced as much as possible. Therefore, theoretically, even if the computer can control the 3D printer without error, it cannot actually achieve the accuracy of 0.05mm, and errors occur in the hardware.

accuracy of FDM 3D printers,printed products

3. Drawing errors, scanning errors or reading errors in 3D printer software.

Many people may disagree with this statement, but after a lot of experimentation, drawing errors have a major impact on printed parts. The high precision depends on it, and the 3D printer is directly formed with the set precision. Therefore, this also affects accuracy and cannot reach theoretical accuracy.

https://www.anet3d.com/2020/08/26/how-to-judge-the-accuracy-of-fdm-3d-printers

4. 3d printer is printing.

Mechanical vibration will cause larger print particles, and the accuracy will be relatively low. The above content is the method of judging the accuracy of FDM 3D printer, and it is also the factor that affects the accuracy of FDM 3D printer. Please pay more attention to the use of it to improve the accuracy of printed products.

Recommended reading《The difference between SLA 3d printer and FDM 3d printer

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