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  1. 19th September 2012, 06:29 PM #1
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    Auskart
    Auskart is offline Man of Many Talents
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    Default Morse Taper Slipping

    I have a 3/4" drill bit that is MT2 and it slips (spins) sometimes in the MT2 taper in the tailstock of my 9" hercus, it is only this particular drill that does it, would anyone have a fix or remedy for it. The RPM of the headstock is the second slowest with the back gear engaged. The material being drilled is mild steel.
    Shane

    Still trying to fit a square peg into a round hole.
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  3. 19th September 2012, 06:32 PM #2
    Michael G
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    I'd try bluing up either the taper or the socket and see what the contact area is like. It may be that there is some slight damage that is preventing good seating.

    Michael
  4. 19th September 2012, 06:41 PM #3
    pipeclay
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    Put a lathe drive dog on the drill shank,let it rest against the cross slide or tool post,it wont slip in the tailstock.
  5. 19th September 2012, 07:14 PM #4
    Anorak Bob
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    Quote Originally Posted by pipeclay View Post
    Put a lathe drive dog on the drill shank,let it rest against the cross slide or tool post,it wont slip in the tailstock.
    A handy trick Peter.
  6. 20th September 2012, 07:35 AM #5
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    Auskart
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    Thanks gents for the help.
    Shane

    Still trying to fit a square peg into a round hole.
  7. 21st September 2012, 12:50 AM #6
    KBs PensNmore
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    You could put it in a split tube and turn it, if it is damaged. Read it in a Model Engineers Workshop recently. He had a drill bit with a No3 morse and a broken tang, and turned it down to a No2 with no tang.
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