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    • 3. 发明授权
    • Gear
    • 齿轮
    • US08100027B2
    • 2012-01-24
    • US12745014
    • 2008-11-21
    • Masanori SatoKatsufumi Abe
    • Masanori SatoKatsufumi Abe
    • F16H55/17
    • B24C1/10B24B31/003B24B31/0224B24C7/0007C21D7/04C21D7/06C21D7/08C21D9/32C21D2221/02F16H55/06Y10T74/1987Y10T74/19949Y10T74/19963
    • The invention aims to improve not only the resistance to abrasion and scoring, but also the fatigue strength against pitting and chipping, without increasing the number of steps of the manufacturing process.The tooth face 2 of the gear is smoothed by gyro polishing. In the thus smoothed tooth face 2, a multitude of microscopic recesses 3 are randomly formed by liquid honing in which microscopic hard particles are collided with the tooth surface together with liquid. By the liquid honing, a large compressive residual stress is produced on the tooth face 2. This improves not only the resistance to abrasion and scoring, but also the fatigue strength against pitting and chipping, without increasing the number of steps of the manufacturing process.
    • 本发明不仅提高了耐磨性和耐磨性,还提高了耐点蚀和破碎的疲劳强度,而且不增加制造工序的数量。 通过陀螺抛光使齿轮的齿面2平滑。 在如此平滑的齿面2中,通过液体珩磨随机地形成多个微观凹部3,其中微观硬颗粒与液体一起与齿面碰撞。 通过液体珩磨,在齿面2上产生大的压缩残余应力。不仅增加了制造工艺的步骤数量,而且不仅改善了耐磨损性和耐磨性,而且提高了耐点蚀和切屑的疲劳强度。