Design and Manufacturing Process of Large UV Double-Sided Printing Platform for UV Printers
Platform Manufacturing and Assembly
1. Support Beam Using Hollow Rectangular SteelConsidering the platform’s strength, stability, and cost-effectiveness, the support beam of the water-cooled platform is typically made of hollow rectangular steel. For example, in the DLA-05-00 printing platform, the dimensions of the rectangular steel are 120mm × 80mm. The support beam must maintain a flatness tolerance of 0.1mm on its top surface. The manufacturing process includes welding, heat treatment, straightening, rough milling, aging, semi-finish milling, and fine milling to meet precision requirements.
2. Platform Hardness and Thermal Insulation Treatment
After rough processing, the upper surface of the water-cooled platform undergoes straightening and precision grinding to meet the dimensional tolerances specified in the design. A hard anodized coating of 250μm thickness is applied to improve the surface hardness and thermal insulation properties, stabilizing the performance of the platform. The platform’s flatness is then fine-tuned to the required range using an automatic deformation adjustment device that connects the water-cooled platform to the support beams.
3. Platform Overall Leveling Mechanism
In addition to ensuring the precision of the platform itself, a leveling mechanism is used to adjust the platform to be parallel to the printing head. This ensures that the UV printing head remains parallel to the printing surface throughout operation, ensuring consistent print quality.
4. Automatic Platform Deformation Adjustment Device
During production, the platform can experience local deformation due to heat from the UV lamps, which causes a change in the platform's flatness. This leads to issues such as unclear print images, alignment difficulties, and inconsistent feeding accuracy. Moreover, during transportation and handling, external factors like bumps or vibrations can further cause platform deformation.
To address these challenges, an automatic platform deformation adjustment device is designed to release horizontal stresses on the platform and adjust local deformations caused by heat or external impacts.
Conclusion
This article addresses the printing deformation issues in the production process of UV double-sided printers and proposes a design and manufacturing process for the large UV double-sided printer platform. The solution offers the following advantages:1. The support structure and manufacturing process of the water-cooled platform are optimized, ensuring the geometric accuracy of the printing surface and meeting design specifications.
2. Platform deformation is strictly controlled through design, material selection, processing, heat treatment, and assembly, ensuring overall deformation remains within the allowable range.
3. This solution is applicable to the manufacturing of similar components in other equipment, improving operational accuracy and enhancing print quality.
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