The advantages of design freedom and production agility in metal additive manufacturing are significant. However, when it comes to high-end components like luxury watches that demand extreme aesthetics, mirror-like surfaces, and stringent tolerances, traditional technologies face critical bottlenecks: The complex post-processing is difficult to meet the final surface quality requirements. How can we break through this limitation and truly realize the potential of additive manufacturing in precision manufacturing?
Central South Intelligent Technology, which masters cutting-edge surface processing technology in the high-end watch and jewelry fields, has partnered with Hanbang Laser to establish the first full-process center for metal additive manufacturing in South China. This center directly addresses industry pain points, and is the first to break through the technical barriers of metal 3D printing that integrate high precision and high aesthetic requirements, setting a cutting-edge benchmark for precision component production. It transforms the infinite potential of additive design into mass-producible excellent end products, marking a breakthrough in the reconstruction of the precision manufacturing value chain.
The limitations of traditional manufacturing and the breakthroughs of additive manufacturing
Traditional precision manufacturing (such as stamping and CNC) has inherent limitations in high-end component production: stamping processes severely constrain design freedom; CNC machining often comes with extremely high material waste; lengthy mold development and processing cycles hinder product iteration speed. Hanbang Laser’s advanced metal additive manufacturing technology provides a systematic solution to overcome these limitations:
1. Integrated design breakthrough: Breaking the constraints of traditional processes, utilizing topology optimization algorithms to achieve integrated design of complex structures. It can freely manufacture internal cavities, flow channels, lattices, and highly organic fluid dynamics surfaces that traditional subtractive processes cannot process, revolutionizing design freedom and releasing the aesthetic and functional potential that was previously constrained, achieving high integration of functions.
2. Extreme lightweight advantages: Fully leveraging the additive forming characteristics of high-performance materials like titanium alloys to achieve significant lightweight components. This not only enhances wearing comfort but also endows components with excellent corrosion resistance and strength-to-weight ratios, driving innovation in material systems and performance for high-end products. The high processing efficiency of additive manufacturing, especially for complex titanium alloy parts, also brings significant cost advantages.
3. High-end customized production: Metal additive manufacturing is inherently suitable for small-batch, high-value production models. It completely eliminates mold dependency, achieving agile mold-free manufacturing, significantly compressing the cycle from concept drawings to wearable functional prototypes (for example, the development time for complex watch cases can be reduced from the traditional six months to just forty-five days). This provides an ideal technical platform to meet the customization of high-end watches, limited editions, and rapid iterative innovations, greatly enhancing market response speed.
4. Comprehensive cost-effectiveness leap: Metal additive manufacturing reconstructs the cost structure of precision components from multiple dimensions, achieving significant overall benefits. Its rapid iteration capability allows design changes to incur almost no additional costs, greatly accelerating the R&D validation cycle. Especially in small-batch production, it eliminates the need for mold development and trial production required by traditional processes, reducing the initial investment in R&D validation. Based on near-net shaping characteristics, combined with an efficient recycling system for metal powder materials, it significantly reduces raw material consumption and procurement costs. At the same time, the one-time forming capability of complex structures effectively simplifies the manufacturing process, reducing the time and resources required for traditional multi-process transfers and machining, thereby lowering overall labor processing dependence. These synergistic factors collectively drive the significant comprehensive cost advantages of metal additive manufacturing in the high-end precision manufacturing field.
However, the appearance roughness of parts produced by metal additive manufacturing after printing does not meet the extreme surface quality (such as mirror effects) and ultra-high processing precision required for high-end precision components. Therefore, achieving high-quality, high-consistency post-processing and surface finishing, especially overcoming the processing difficulties of complex internal cavities and curved structures, has always been a bottleneck in the post-processing of metal 3D printing and is a key breakthrough point for its seamless integration into the top-level precision manufacturing chain.
Full-process closed loop
Crossing limitations to achieve value leap
The core value of the full-process of metal 3D printing lies in the seamless integration of the entire process chain from prototype design, blank printing, heat treatment, to the most critical precision machining, polishing, and perfect coating treatment. This is precisely the core capability of Central South Intelligent Technology. Its powerful post-processing technology seamlessly connects with the additive manufacturing phase, allowing the printed complex structure blanks to be precisely and efficiently machined to the mirror-level surface required by the watch industry.
This highly efficient integrated closed-loop manufacturing process not only solves the key bottleneck of metal 3D printing in aesthetic applications but also achieves multiple breakthroughs:
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Overcoming surface challenges: Achieving high surface finish and high precision that traditional metal 3D printing cannot reach, meeting the standards for precision components.
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Efficient material utilization: Supporting the efficient recycling of expensive powders like titanium alloys, combined with near-net shaping, significantly reduces material costs.
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Complex function integration: Manufacturing extremely lightweight structures and internal function integration that traditional processes find difficult or even impossible to achieve.
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Cost and cycle optimization: The results are directly reflected in the dramatic shortening of development cycles and significant reductions in overall manufacturing costs.
Hanbang + Central South
Breaking the post-processing bottleneck, establishing a new standard for full-process manufacturing
The end-to-end, full-process closed-loop manufacturing solution based on metal additive manufacturing technology has successfully crossed the traditional limitations of this technology in high aesthetic requirement fields. With its design freedom, breakthrough material performance, significantly reduced energy consumption and carbon footprint, agile market response capabilities, and high-quality surfaces and precision achieved through the full-process closed loop, this solution has become the core engine driving the value leap and sustainable transformation of the high-end manufacturing industry, especially in high-end watch manufacturing. Hanbang Laser’s advanced metal 3D printing equipment is the cornerstone of efficient, low-carbon forming of precision three-dimensional structures, while Central South Intelligent Technology’s post-processing expertise is the key guarantee for transforming these structures into perfect end products. The deep cooperation between the two has empowered manufacturers to define new designs, new processes, new standards, and a sustainable future for global high-end watches.
Visit Formnext Shenzhen
Witness the strength of the full-process closed loop
From August 26 to 28, 2025, at the Formnext Shenzhen Exhibition (Shenzhen International Convention and Exhibition Center, Hall 5, Booth C36 Hanbang Laser), experience the advanced equipment of Hanbang Laser and the collaborative advantages of Central South Intelligent Technology’s full-process post-processing. Central South Intelligent Technology will showcase a variety of samples created with its full-process metal additive manufacturing solution, covering fields such as 3C consumer electronics, robotics, thermal management, sports equipment, and crafts, intuitively demonstrating excellent manufacturing capabilities under complex structures, extreme surfaces, and stringent tolerances.
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Further reading:
1. Domestic core supplier of metal 3D printing powder, Zhongti New Materials, dynamic frequency in 2025
2. Fraunhofer ILT 3D printing locally permeable metal parts, can be precisely controlled through process parameters
3. Low Earth orbit satellite constellations drive the rise of metal additive manufacturing, becoming an important pillar of the space economy
4. AVIC Mite metal 3D printer innovation further increased, signing a strategic cooperation agreement with Maris