metal drill bit / for aeronautics / insert
MVX MMC METAL FRANCE, GROUPE MITSUBISHI MATERIALS

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Characteristics

  • Dispensed product:

    for metals

  • Other characteristics:

    for aeronautics, insert

  • Length:

    Min.: 99 mm

    Max.: 290 mm

  • Wheel diameter:

    Min.: 17 mm

    Max.: 33 mm

Description

Smart thinking has lead to simple solutions for some old problems associated with indexable insert drilling. Difficulties such as chip clogging on deep holes, dissimilar rates of wear on inner and outer inserts due to differing peripheral speeds, plus flexing and wear of the drill body itself have all been resolved with a new and innovative design.
Different grades for inner and outer inserts
The outer insert in this type of drill naturally runs at a higher speed than the inner, thereby leading to higher levels of wear. Consequently the inner insert needs to have a higher level of stability and resistance to fracturing at lower speeds. This anomaly has been negated by using a CVD coated outer insert that has higher abrasion resistance, in tandem with a PVD coated inner insert that can cope better with fracturing forces and resistance to welding. This combination means improved reliability and fewer changes of insert for increased levels of productivity.

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