Solving the issues of warping and bending in long aluminum parts! A case study of integrated production using precision sand casting and five-axis machining centers.
Here is an example of long aluminum parts mounted on railway vehicles. Long aluminum parts mounted on railway vehicles can easily warp or bend due to even slight thermal stress during processing. Our company addresses this challenge with an integrated in-house production system centered around precision sand casting and five-axis machining centers. We optimize materials and propose shapes to ensure that the parts are shaped to avoid bending during the casting stage before machining. Design, manufacturing, and quality assurance collaborate on the same floor to share issues in real-time. 【Case Overview】 ■ Size: L600×W400×H100mm ■ Material: AC4CH-T6 ■ Industry: Railway ■ Process: Casting → Heat Treatment → Machining → Inspection ■ Delivery Time: 2 weeks ■ Lot Size: From 1 piece *For more details, please download the PDF or feel free to contact us.
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【Talking about processing accuracy with results】 ■Flatness: ±0.03mm ■Surface roughness: Ra0.8μm (50Z) or less ■Reproducibility: Variation between lots ±0.02mm *For more details, please download the PDF or feel free to contact us.
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At Karmo Casting Co., Ltd., we engage in aluminum processing, aluminum casting, and the casting of copper alloys other than aluminum. Manufacturing has continuously supported the backbone of Japanese industry. At Karmo Casting, we have maintained that spirit and pride, dedicating ourselves to pioneering initiatives in the industry since our founding. Our primary goal is to build partnerships with our customers. To achieve this, we believe it is essential to flexibly adapt to changes in the times and realize all kinds of needs. Our relentless pursuit of technical expertise, responsiveness, quality, and speed reflects this attitude. While sensitively and swiftly understanding our customers' thoughts, Karmo Casting will continue to accumulate tireless efforts and changes as a manufacturing company that is chosen and needed by our customers.




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