Question about Bosch HCBG500, 5 Pc Industrial Hammer Drill Bit Set

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Gets very hot and smokes

While i am using it the drill get hot and starts smoking, therefore i have to stop using once that starts going on

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  • anil_saraf_o Oct 23, 2008

    after a few seconds of masonary use the drill started smoking

    i stopped using the drill. later when i turned on the drill on no load the speed (rpm) quickly dropped & creepingly rotated with no torque


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  • 550 Answers

Cooling holes blocked
drill is being used at too hi a pressure, so the bit does not clear debris fast enough,
bit is blunt, even diamond drills blunt
the objuect being drilled is a composite, and some part of the composite is flammable
using a steel twist bit where a carbide impact bit should be used

not solution just some things to check

Posted on Sep 02, 2008

  • AlmostBob
    AlmostBob Sep 02, 2008

    drill is overloaded on the job attempted

    another thought


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