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Welding Machine Design​​​​​​​

Tough Welding 硬焊

Side Project
2023

This project was designed for NLG, an electric welding machine company, with a Cyberpunk-inspired theme. I’m grateful to the client for providing such a fascinating concept, which allowed me to explore bold and creative designs during the early stages. Although this design was ultimately not selected due to cost considerations, I successfully completed the project with enthusiasm and dedication.

For this project, I utilized Artificial Intelligence to enhance my workflow, streamlining the conceptualization of details and generating unexpected creative outputs. Combining these insights with my practical experience in industrial design, I developed a compelling design. I also want to express my gratitude to the factory and mechanical teams for their valuable feedback on feasibility and their helpful suggestions throughout the process.

A Product From Cyberpunk World

Having gathered reference materials, I have decided to incorporate three key elements into my design

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1/3  Industrial machinery (wildly imaginative forms)

 

Keywords

cyberpunk, fantasy world, sci-fi, raining, futuristic, night, strong, tough, muscle

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2/3  High saturation color (eye-catching)

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3/3  Hanzi characters (unique linguistic symbols)

The theme is called Ying-Han serise and inspired by Chinese language. the meaning of Ying-Han(硬漢) in Chinese is tough guy. the welding in Chinese is (Han)焊, both characters have the same pronunciation “Han”. 


Therefore I decided to combine together to become “硬焊”(Ying-Han). Used the meaning of tough, welding as the theme for the new product.

3 Concepts

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I hand-sketched three design drafts and ultimately chose the V3 concept for further refinement and development.

Integrate AI Assistant Design

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Used Artificial Intelligence assists to generate inspiration by Stable Diffusion.

I drew some drafts of the enclosure outline. And used Artificial Intelligence tool(Stable Diffusion) to help me explore the enriching detail of the cyberpunk style. After AI creates some ideas. I tried to converge ideas according to the produce feasibility.

Strong Modeling Skills to Ensure Surface Quality

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Through practical working experience, and evaluated the produce feasibility of building the 3D model.

Constructed a 3D model based on key factors including PCBA placement, thermal conditions, molding feasibility, and other critical considerations such as ground clearance, interior space optimization, and ensuring efficient airflow. User experience was a priority—handles were designed with ergonomic proportions for comfortable gripping, and the plastic finishes incorporated an anti-slip texture for enhanced functionality.

Ensured all surfaces achieved G2 continuity, maintained consistent plastic thickness, and included proper draft angles to meet manufacturing requirements.

Despite numerous design constraints, I focused on maximizing detail, achieving harmonious proportions, and realizing my vision for ideal aesthetics.

Meticulously Craft Every Detail

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Designed the screen interface and proposed the best set with display panel components.

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Color changing ink . It can turns from teal to yellow as temperature rises

Final Outcome

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© 2025 by Joel Chang. All rights reserved.
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