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Common accessories for LCD light-curing 3D printing equipment

Release time:

2024-10-15 23:23

Common accessories for LCD light-curing 3D printing equipment
Common accessories for LCD light-curing 3D printing equipment

The key components of LCD-based light-curing 3D printing equipment include the light source board, LCD screen, structural components, and electronic components. These components work together to enable 3D printing functionality. During operation, various accessories are also required to ensure a smooth printing process and maintain high printing quality.

LCD light-curing 3D printing offers a wide variety of accessories, each playing a crucial role during the printing process. Below is a detailed introduction to some of the most common accessories:

I. Photosensitive Resin

Photosensitive resin is the primary material used in LCD-based light-curing 3D printing. It generally features low volatility, low viscosity, excellent stability, rapid curing, and low shrinkage. These characteristics enable photosensitive resin to cure swiftly under ultraviolet light, producing high-precision printed models. In LCD light-curing 3D printing, photosensitive resin is employed to fabricate models with a wide variety of complex shapes and structures. Its high precision and rapid curing properties make the printing process more efficient and reliable.

Photosensitive resins from different brands and models have varying properties and characteristics, such as viscosity, curing speed, hardness, and toughness. When making a selection, users should choose based on their specific printing needs—for example, if they require models with high precision and smooth surfaces, they should opt for photosensitive resins that feature low viscosity, fast curing speed, and high hardness.

II. Release Film

The release film is an indispensable accessory in LCD light-curing 3D printing. It is typically placed between the print platform and the LCD screen to prevent the resin material from sticking to the screen during the printing process. Release films feature high light transmittance, high temperature resistance, and excellent wear resistance, ensuring both print quality and efficiency. Common materials used for release films include FEP and NFEP.

In LCD-based photopolymer 3D printing, FEP release films ensure excellent separation between the printed model and the build platform, preventing damage to the model during removal. Their high light transmittance allows ultraviolet light to pass through smoothly, ensuring that the photosensitive resin cures thoroughly. At the same time, FEP release films exhibit excellent corrosion resistance, non-stick properties, and temperature tolerance, enabling them to maintain stable performance even in harsh environmental conditions.

The NFEP release film also boasts excellent separation performance and light transmittance, ensuring high-quality printed models. In addition, the NFEP release film features lower peel force and enhanced flame retardancy, making the printing process safer and more reliable. Its high oxygen permeability further helps improve print success rates and reduce the likelihood of print failures.

Among them, FEP release films boast excellent light transmittance and temperature resistance, making them the primary choice for LCD photopolymer 3D printing. While NFEP release films demonstrate superior performance in certain aspects, their price may be relatively higher. However, considering factors such as their high light transmittance, high oxygen permeability, and lower peel force, NFEP release films may offer greater cost-effectiveness over the long term.

3. Filter Mesh and Funnel

The filter mesh and funnel are accessories used for filtering and recovering photosensitive resin. During the printing process, impurities or air bubbles may get mixed into the resin material, which can adversely affect print quality. By using the filter mesh and funnel, these impurities and air bubbles can be effectively removed, ensuring the purity and stability of the resin material.

The funnel is used to pour the filtered photosensitive resin into the printing device, ensuring that the resin flows smoothly into the printing system. The funnel’s design makes the pouring process more convenient and efficient, while also reducing waste and contamination. The filter mesh and funnel are typically made of stainless steel or plastic, offering features such as corrosion resistance, ease of cleaning, and durability.

4. Screen protector

A screen protector is an accessory designed to safeguard LCD screens. Its primary purpose is to protect LCD screens from scratches, contamination, and wear and tear. Over time or with frequent replacement of resin materials, LCD screens may become scratched or contaminated. Additionally, dust, oil stains, and other environmental contaminants can also harm the screen. By using a screen protector, you can effectively shield your screen from damage and extend the lifespan of your device. Screen protectors are typically made from materials that offer high light transmittance, excellent abrasion resistance, and superior scratch resistance. Common materials include PET and PVC, which boast outstanding physical and chemical properties.

V. Other Accessories

In addition to the main components mentioned above, LCD light-curing 3D printing also requires several other accessories, such as a scraper, cleaning agent, build plate, and magnetic film. The scraper and cleaning agent are used to remove residual resin from the print platform and material tray, ensuring smooth printing operations for the next print job. The build plate and magnetic film are used to secure the printed model, preventing it from shifting or deforming during the printing process.

VI. Conclusion

In summary, LCD light-curing 3D printing equipment comes with a wide variety of accessories, each playing an indispensable role in the printing process. Together, these accessories work in harmony to ensure a smooth printing process and maintain high-quality print results. To guarantee both print quality and the proper functioning of the equipment, when selecting accessories, one should take into account factors such as the equipment model, printing requirements, and budget, and also perform regular maintenance and timely replacements.

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