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The new SPIROFORM™ Cutter has stick type blades with a permanent front face and only two surfaces that have to be resharpened. It solves the problem of face hobbing (generating or Formate) a spiral bevel and hypoid flank surface identical to that using the three face sharpened stick blade in an appropriate cutter head.
The new SPIROFORM™ blades allow users to convert all older "three face ground" jobs into a two face sharpened Blade system with a permanent front face coating. Gear sets do not need requalification after the conversion since the flank surface geometry stays identical to the original.
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