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IndustryArena Forum > Manufacturing Processes > Drilling > Deep-hole drilling in aluminum D5 75mm deep
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  1. #1
    Hello people
    I have a little problem…
    I have to drill a 5mm borehole 75mm deep in an aluminum plate.
    We tried to do it with a VHM borer with IKZ and with straight span channel. But it lubricates.
    We made it at Hermle U1130 with 40 bar IKZ. But it doesn’t look, as it should.

    Could anyone suggest anything? It would be great!!!

    Thanks a lot…

    Flubber

  2. #2
    Join Date
    May 2007
    Posts
    672
    Hi

    A better borer and drill in steps with ventilation. 75mm deep with 5mm…
    It’ll take more time but you’ll get a good result.

    Thomas

  3. #3
    Join Date
    Dec 2007
    Posts
    146
    Hi

    Why do you use a straight-grooved borer?

    The drilling depth is 15xd, it’s not extremely deep…

    I regularly drill such things at my machine, but with 6 bar IKZ…

    Greetings
    Steff

  4. #4
    Hi

    Try the Titex XD-borers (Hoffmann have similar ones). In our case it works without any troubles with 5 bar in aluminum.

    Greetings
    Frankie
    ---------------------------<br>Chef-CNC-Technologe<br>Fa.1500 MA / 40 Maschinen: DMG, EMAG, Index...

  5. #5
    I would suggest 4-bevel-borer from Garant. I have 15bar. Works out well

  6. #6
    Join Date
    Oct 2006
    Posts
    3342
    We drill with 12bar the same depth without problems with borers from mitsibischi.

    Regards, general
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