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Precautions in glass UV resin glazing operation

2022-05-24 15:20:39
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Glass UV resin is a unique material with high viscosity, high hardness and good heat resistance. The following matters should be paid attention to in use:

1. Glass UV resin cannot be mixed with other coatings;

2. It is strictly prohibited to add diluent for dilution. If diluent is added, it will seriously affect the effect after curing, and the fullness and hardness will not meet the requirements;

3. When using BM type glass UV resin, it is best to use spraying method. The film should not be too thick. No matter self leveling or other methods are used, ultraviolet lamp irradiation should be carried out after the bubbles are discharged;

4. When using BM type glass UV resin, the working environment should be clean and dust-free, because it is not covered with film to prevent the film surface from being polluted;

5. High light sensitivity. Because SLA uses monochromatic light, it requires that the wavelength of photosensitive resin and laser must match, that is, the wavelength of laser should be near the maximum absorption wavelength of photosensitive resin as far as possible. At the same time, the absorption wavelength range of photosensitive resin should be narrow, so as to ensure that curing occurs only at the point irradiated by laser, so as to improve the manufacturing accuracy of parts.

6. High curing degree. The shrinkage of the post curing molding model can be reduced, so as to reduce the post curing deformation.

7. High wet strength. High wet strength can ensure that there is no deformation, expansion and interlayer peeling in the post curing process.

What is the most commonly used material for 3D printing? It is estimated that the first material that pops up in the minds of people familiar with 3D printing industry is SLA photosensitive resin. Photosensitive resin has been welcomed as soon as it is launched because of its characteristics and cost performance. Photosensitive resin is a kind of 3D printing plastic material. It is similar to ABS material, with smooth surface, high precision, paintable surface and good hardness. Photosensitive resin is very suitable for printing hand board models, such as models with appearance design.

The finished product of 3D printing of photosensitive resin material has good details and high surface quality. It can be colored by painting and other processes. However, items printed with photosensitive resin will gradually become brittle and yellow if exposed to light for a long time, but they are not suitable for printing large models. If large ones need to be printed, they need to be disassembled for printing.


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