High toughness and strength of 65 HRC are effective! Suppresses micro cracks at the tooth tip.
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 we introduce an example of use for the high toughness type matrix high-speed steel "DURO-F7." 【Usage Example】 V-groove forming roller ■ Work: Car air conditioning electromagnetic clutch, tension pulley (SPHE) ■ Material type used: DURO-F7 (Conventional material type: matrix high-speed steel (60HRC), lifespan affected by micro-cracks) ■ Hardness: 65HRC ■ Lifespan (number of shots): 5 times (micro-cracks) ◎ Suppression of micro-cracks at the tooth tip ◎ The high toughness of DURO-F7 and its strength of 65HRC are effective *For more details, please refer to the PDF document or feel free to contact us.
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【Features of DURO-F7】 ■ Combines hardness of 64HRC or higher with high toughness ■ Has wear resistance comparable to SKH51 ■ Excellent fatigue strength achieved through special melting *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.