[Production Example] Some exterior parts of a fuel cell bus
A case where technical proposals were made for issues during prototype production, resulting in changes to the drawings during mass production startup!
We would like to introduce a case where we manufactured some exterior parts for a fuel cell bus. Initially, spot welding posed no issues and ensured strength; however, from the perspective of exterior parts, the finish of the welds did not meet the standards. Since the painting method did not resolve the issue, a redesign was necessary. Based on our past experience in manufacturing aluminum parts, we proposed a riveting method for joining. This resulted in a solution that satisfied the customer in terms of both appearance and strength, allowing for a design change in the joining method. 【Case Overview】 ■Challenges - The finish of the welds did not meet the standards from the perspective of exterior parts. - The painting method did not lead to a solution. ■Results - Compared to spot welding, quality control became easier. - This led to stable quality during production and reduced manufacturing costs. *For more details, please download the PDF or feel free to contact us.
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Our company was founded in 1975, starting with the production of press molds as our main business. Due to strong demand for product commercialization, we began manufacturing products based on molds and started working on 3D processing. Currently, our main business involves the prototype sheet metal pressing of automotive parts and low-voltage electronic components using prototype molds. In addition, we are strengthening our efforts to respond to customer requests for prototype mass production and small-lot production. Our ability to propose methods and costs tailored to production quantities is a significant feature and strength of our company.