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Home / Blog / Industry News / How to improve the printing accuracy of complex structures through 100μm FEP film?
Author: FTM Date: Apr 24, 2025

How to improve the printing accuracy of complex structures through 100μm FEP film?

1. The influence of light transmittance on printing accuracy
Light transmittance is a key indicator to measure the performance of FEP film. It determines whether the light source can effectively irradiate the resin surface after penetrating the film and trigger the curing reaction of the resin. In the process of photocuring 3D printing, the penetration of ultraviolet light directly affects the printing quality. Especially under the demand for high-precision printing, FEP film with low light transmittance may cause the light to be unable to fully penetrate, affecting the uniform curing of the resin, resulting in uneven curing layer, surface defects or insufficient printing accuracy.
In contrast, 100μm Light Transmittance 3D Printer FEP Film has a higher light transmittance, which can effectively improve the light penetration efficiency and ensure that the ultraviolet light can be evenly irradiated to the resin surface, thereby improving the curing quality and printing accuracy. Especially when printing complex structures and tiny parts, the increase in light transmittance can significantly reduce the risk of incomplete and uneven curing and avoid the occurrence of surface defects.

2. Improve surface smoothness and reduce defects
In fine printing, surface smoothness and clarity of details often determine the quality of the final printing effect. Whether it is a complex mechanical part or a fine work of art, the surface detail processing of the printed object is crucial. FEP film with low light transmittance often leads to insufficient light penetration, resulting in uneven resin curing reaction, which not only affects the appearance quality of the object, but also may cause surface defects such as fine bubbles and rough surface.
Relatively speaking, 100μm Light Transmittance 3D Printer FEP Film can accurately irradiate more ultraviolet light to the resin surface by increasing light transmittance, providing uniform lighting, thereby ensuring that each layer of resin can be fully cured. This not only helps to reduce surface defects, but also improves the accuracy of details during printing and the bonding between layers, thereby achieving a smoother and more delicate surface effect.

3. Detail presentation and precision improvement
In high-precision 3D printing, the clarity and precision of details are crucial. Whether it is printing tiny parts or printing complex geometric structures, every detail needs to be highly restored. FEP film with low light transmittance may cause uneven light source illumination, which in turn affects the presentation of details and makes the printed object blurry or unclear. Especially in fine operations, any slight difference may affect the quality of the finished product.
100μm Light Transmittance 3D Printer FEP Film, with its high light transmittance, can provide more uniform and precise lighting, ensuring that the light source can directly and effectively illuminate the resin surface, accurately triggering the curing reaction, thereby improving the expressiveness of details during the printing process. With the effective penetration of light, the details of complex structures and tiny parts can be presented more finely, avoiding the situation of rough surface and loss of details. This precise lighting effect ensures a significant improvement in printing accuracy, so that each layer can be optimally cured, thus providing a stable foundation for printing fine objects.

4. Accurate restoration of complex structures
One of the biggest advantages of modern 3D printing technology is that it can manufacture complex geometric structures, which is very challenging for traditional manufacturing processes. High-precision printing requires that each layer be perfectly cured, while FEP film with low light transmittance may cause uneven light source penetration, resulting in deformation of the structure or loss of details.
In this regard, 100μm Light Transmittance 3D Printer FEP Film uses its excellent light transmittance to enable each layer of resin to be cured evenly and accurately, thereby achieving accurate restoration of complex structures. Especially when printing tiny parts and highly complex structures, the uniform irradiation and precise control of the light source ensure the correct presentation of every detail, avoiding deformation or errors caused by uneven curing. This is particularly important for the manufacture of products that require high precision and high complexity, especially in precision mechanical parts, artistic creation, and other fields that require strict details.

5. Improve printing efficiency and reduce errors
Through the high light transmittance 100μm Light Transmittance 3D Printer FEP Film, each layer in the light curing process can achieve a more uniform curing effect, thereby improving printing efficiency. Films with low light transmittance may cause the light source to be unable to fully irradiate the resin surface, resulting in incomplete curing or over-curing in some areas, which in turn affects the quality of subsequent printed layers. This uneven curing not only wastes time, but may also cause unexpected errors in the printing process, increasing the possibility of defects in the finished product.
100μm Light Transmittance 3D Printer FEP Film improves the light source penetration efficiency, reduces the occurrence of errors, and makes the curing process of each layer more precise. This not only shortens the printing time, but also reduces the losses caused by improper operation or equipment failure, helping to improve the overall printing efficiency.

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