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IndustryArena Forum > MetalWorking Machines > Bridgeport Machines > Bridgeport / Hardinge Mills > Question about Bridgeport quick change tool holders.
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  1. #1
    Join Date
    Apr 2005
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    903

    Question about Bridgeport quick change tool holders.

    A few years ago I was looking into picking up a Bridgeport Series 1 R2E4 cnc mill and and upgrading the control.

    The mill came with a very large collection of quick change tool holders. I was wondering how the holders work? Are they collets or do they lock the cutter in position? (I really didn't look at them very closly at the time.)

    What I was curious about was setting tool heights and weather or not the tool height was maintained between changes?

    This is probably a stupid question, but I don't know, so I gotta ask.

  2. #2
    Join Date
    Jan 2004
    Posts
    102
    The tool holder uses a collet to hold the tool, but there is a set screw type insert that you can screw in from the back of the collet and "lock" the bit in at a set height.

    we set TLO everytime, but we rarely do repetative runs. My guess is that yes you can set the tool height once and it should hold it.

  3. #3
    Join Date
    Apr 2005
    Posts
    903
    Thanks, that's what I needed to know...

  4. #4
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    Jan 2004
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    102
    .

  5. #5
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