Tooth-powder

  • 131Gear cutting — is any number of methods used to manufacture precision gears.Gear hobbing is a method by which a special hobbing anto cutter and gear blank are rotated at the same time to transfer the profile of the hob onto the gear blank.Spur and other… …

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  • 132Electromagnetic clutch — Electromagnetic clutches operate electrically, but transmit torque mechanically. This is why they used to be referred to as electro mechanical clutches. Over the years, EM became known as electromagnetic versus electro mechanical, referring more… …

    Wikipedia