We have developed a suitable material for the punching die of motor cores. It simultaneously solves two problems: chipping and wear.
The drive motor, which is essential for the power of automobiles, uses a motor core made by laminating electrical steel sheets. The electrical steel sheets are being hardened by increasing the amount of Si added to enhance the efficiency of the motor. The mold materials used to punch these hardened electrical steel sheets require a balance of wear resistance and fracture toughness. 【Features】 ◆ A balance of high wear resistance and fracture toughness ◆ Strong against wear caused by the detachment of WC particles The VG48, developed as a dedicated material for motor core molds, is a new cemented carbide that meets all of the above features. For more details, please download the PDF or contact us!
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As a lineup of materials for motor core punching molds, the following representative examples are available: ■ Newly developed material "VG48" * A material that balances hardness and fracture toughness * Resistant to wear due to the detachment of WC particles * Compatible with electrical discharge machining ■ Standard materials "VD45 / VD55" * Two types that are well-received among Fujiroi products For more details, please download the PDF or contact us!
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- Motor core mold (cutting, dowel, riveting) - Precision wire-cut processing mold (cutting) ◆ We can accommodate completed molds, semi-finished blanks, and materials in any form. * Blanks can also be integrated into steel cases (heat treatment, press fitting), etc. * Materials can also be produced in near-net shapes.
Detailed information
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Sintering of cemented carbide in a near-net shape is possible.
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Functional and useful products are created by the hands of "people." Our group positions "people" as the foundation of the company and establishes the corporate philosophy of "contributing broadly to society through our business and nurturing happy individuals" and "respect for humanity and human-centered management." Through powder metallurgy technology and ultra-precision processing technology, we aim to become a leading company in the global manufacturing industry, a reputable corporate group trusted by people around the world, and to cultivate corporate individuals.