High toughness is effective! The number of shots is doubled.
The "DURO series" includes mold steel that consists of high-speed steel, matrix high-speed steel, and hot work die steel, offering a total of 8 types of steel. Here we introduce an example of the high toughness type matrix high-speed steel "DURO-FZ." 【Example of Use】 Forming Die ■ Workpiece: Scroll for car air conditioning (Al alloy, 420℃) ■ Lifespan Factor: Cracks in the stepped part of the forming surface ■ Material Type Used: DURO-FZ <Conventional Material Type: Matrix High-Speed Steel (57HRC, nitrided + lapped), lifespan affected by cracks> ■ Hardness: 57HRC ■ Surface Treatment: Nitriding + Lapping ■ Lifespan (Number of Shots): 2 times (cracks) ◎ The high toughness of DURO-FZ is effective. *For more details, please refer to the PDF document or feel free to contact us.
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【Features of DURO-FZ】 ■ Superior heat resistance (softening resistance) compared to hot work die steel, suppressing the occurrence of heat checks. ■ High toughness in the range of 54 to 58 HRC. *For more details, please refer to the PDF document or feel free to contact us.
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For more details, please refer to the PDF document or feel free to contact us.
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Nachi-Fujikoshi contributes to the development of the manufacturing world through its machining business, including machine processing and robotics, its functional components business, including bearings and hydraulic equipment, and its materials business, including materials and heat treatment.