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9/12/2018

End Mills Achieve Greater Depth of Cut in Aluminum

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With so much happening in a busy show year between NPE2018 and Amerimold 2018, MoldMaking Technology is revisiting some of the technology that was on display. In case you missed it: At IMTS 2018: RobbJack has its FMHV two- and three-flute end mills, which are designed for high-horsepower, high-velocity aluminum aerospace machining.

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RobbJack’s FMHV two- and three-flute end mills are designed for high-horsepower, high-velocity aluminum aerospace machining. The company says its Mirror edge geometry progressively reduces vibration at greater Z-depths of cut. Anti-pullout shank technology prevents tools from pulling out of the holder.  Well-suited for high-speed machining of deep pockets and thin walls, the tools are available with through-coolant holes and a DLC coating that extends tool life in roughing applications. Overall length and reach length are designed to maximize gripping force in tight-tolerance toolholders. The company reports that a 1" diameter, three-flute FMHV with through-coolant holes and DLC coating can achieve a peak metal-removal rate of 713 ipm3 (72 lbs of 7075 aluminum per min.).

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