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  6. 【KUROTA'S STORY】The Fear of Mold Damage

【KUROTA'S STORY】The Fear of Mold Damage

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last updated:Aug 05, 2024

黒田精機製作所
黒田精機製作所
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Establishment of technology for forging complex shapes from aluminum T6 material! We have become able to create unique molds designed for stress distribution!

The mission was to forge the parts that are being machined in response to the demand for cost reduction. Initially, four years ago, the then Deputy General Manager of Quality Assurance attempted forging, but after machining only a few pieces, the mold, which cost tens of thousands of yen, broke, and he gave up. Next, the current Deputy General Manager of Production Technology took over and designed the mold according to the drawings, but after machining just one piece, it broke and failed. It was later discovered that the aluminum was being closed-die forged, causing stress concentration at the corners of the mold. To overcome that issue, we made shape modifications and added relief grooves for tuning, and with great anticipation, we proceeded to test it, but the mold broke in one hit, and our motivation was shattered in one blow. The consensus among senior colleagues was that forging complex shapes from aluminum T6 material (heat-treated material) with a higher than usual hardness was impossible. *For more details, please refer to the related links. Feel free to contact us for more information.*

    Mold Design
IPROS12224431742974613507.gif

【KUROTA'S STORY】The Fear of Mold Damage

IPROS12224431742974613507.gif
IPROS12224431742974613507.gif
  • Related Link - https://kurota-monozukuri.com/story02/

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Kuroda Seiki Manufacturing Co., Ltd. Company Profile

Kuroda Seiki Manufacturing Co., Ltd. Company Profile

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黒田精機製作所

黒田精機製作所

Machine elements and parts

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Our company produces brake pistons and engine parts at three factories in Japan, and at two factories in Thailand, one being a joint venture and the other a wholly-owned subsidiary. With high-quality automotive brake pistons, we have overwhelming trust both domestically and internationally, and we are committed to developing next-generation products, leveraging our globally recognized technological capabilities. Please feel free to contact us if you have any inquiries.

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