High toughness is effective! It suppresses the occurrence of cracks (ring cracks) on the molded surface.
The "DURO Series" includes mold steel that consists of high-speed steel, matrix high-speed steel, and hot work die steel, with a total lineup of 8 steel types. Here are examples of the ultra-high toughness type matrix high-speed steel "DURO-V2." 【Usage Example】 Upper Die, Lower Die ■ Workpiece: CVJ Tripod (SCM420) ■ Material Type Used: DURO-V2 ＜Conventional Material Type: Matrix High-Speed Steel (62HRC, TiN), lifespan affected by cracking＞ ■ Hardness: 62HRC ■ Surface Treatment: TiN ■ Lifespan (Number of Shots): 60% increase (cracking) ◎ Suppresses the occurrence of cracks (circumferential cracking) on the forming surface ◎ The high toughness of DURO-V2 is effective *For more details, please refer to the PDF document or feel free to contact us.
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【Features of DURO-V2】 ■ Achieves both hardness of over 60HRC and high toughness (bending strength at 6GPa level) ■ Multiple special dissolutions conducted ■ Excellent cleanliness while minimizing coarse carbides, resulting in extremely high fatigue strength *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.