Application advantages of PETG filament in 3D printed hull

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jasonchou

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Aug 29, 2023
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In modern manufacturing technology, 3D printing has become an indispensable tool, especially in the field of model making and prototype development. For hull models that require a certain amount of structural strength, choosing the right printing material is crucial. As an emerging 3D printing material, PETG filament is gradually becoming the preferred material for printing hulls with structural strength due to its unique properties.

PETG (Polyethylene terephthalate) filament has excellent mechanical properties. Its tensile strength and impact resistance are better than common PLA filaments, which means that the hull printed using PETG can withstand greater external forces and is not easily deformed or damaged. This is particularly important for hull models, which often need to be tested and demonstrated in water, where high mechanical strength ensures stability and reliability.

PETG filament has good thermal stability. Compared to other materials, PETG does not deform easily at high temperatures, which allows it to maintain high dimensional accuracy during printing. This is especially important for the hull, as the various parts of the hull need to fit together precisely to ensure good performance in the water. The thermal stability of PETG also makes it more stable in the face of temperature changes, making it suitable for use in a variety of environments.

PETG filament has a low shrinkage rate. The material shrinks during cooling, which can lead to dimensional deviation and deformation of the printed part. PETG filaments have a relatively low shrinkage rate, which allows it to print more accurate and dimensional stable hull models. The lower shrinkage also helps reduce stress during the printing process, thus reducing the risk of cracking and deformation.

PETG filament also has good chemical stability. It has good corrosion resistance to most chemicals, which allows PETG printed hulls to be used in a variety of environments, including exposure to salt water or other corrosive liquids. This is particularly important for hull models that need to be in water for long periods of time.

PETG filaments are relatively easy to operate during the printing process. It has relatively low printing temperature requirements and does not require special printing beds or additional equipment, which reduces the complexity and cost of printing. PETG has good fluidity and can flow smoothly in the print nozzle, reducing the risk of printing failure.

In summary, PETG filaments offer significant advantages in printing hulls with structural strength. Its excellent mechanical properties, thermal stability, low shrinkage and good chemical stability make it ideal for the production of high-quality hull models. For hull models that need to operate in a water environment, PETG filaments are certainly a material worth considering.
 
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