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  1. 6th November 2010, 08:53 PM #1
    Trev6
    Trev6 is offline Farmer
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    Default Dovetail bits moving

    Hi all,

    I was cutting some half blind DT's today in a leigh D4r and was having trouble with the chatter of the bit causing it to slide out of the collet thus creating a deeper than required cut on the pin board. Has anyone else had this problem or am I doing something wrong?

    What I am using, Hitachi TR-12
    leigh jig with supplied bits and 12.5--8 mm reducer
    maple drawer sides and some sort of harder wood for the front pin board ( timber come of the sides of a single bed.... some sort of oak maybe ????)
    neither the router or jig has done a lot of work, only hobby stuff

    any help or ideas

    Thanks, Trev.
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  3. 7th November 2010, 10:13 AM #2
    Woodlee's Avatar
    Woodlee
    Woodlee is offline Old Boy
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    Default

    Had similar problem yesterday ,I was just familiarising myself with the D4R as I've just acquired it .
    When cutting the tails with the dovetail bit ,I got a fair bit
    of chatter . Then I noticed when changing the bit to cut the pins that the cutter was loose .
    I had another practise shot after wards and made sure I leaned on the spanner to tighten the collet .I had no problem after that.

    Kev
    "Outside of a dog a book is man's best friend ,inside a dog it's too dark to read"
    Groucho Marx
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  4. 7th November 2010, 01:32 PM #3
    Col's Avatar
    Col
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    Default

    I too am a new Leigh D4R user and experienced the same when using the reducer in a Triton router. It slipped even when applying extreme force when tightening. I ended up buying an 8mm collet for my Dewalt router so I didn't have to use the reducer. Problem solved.

    Col...
    Good better best, never let it rest, until your good is better and your better best.
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  5. 7th November 2010, 07:48 PM #4
    Trev6
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    Col thanks for the collet tip, what model Dwalt did you use and where did you get the 8mm collet from?,as i could do the same with my 621.

    thanks
    Trevor
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  6. 8th November 2010, 02:15 PM #5
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    Col
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    Default

    Quote Originally Posted by Trev6 View Post
    Col thanks for the collet tip, what model Dwalt did you use and where did you get the 8mm collet from?,as i could do the same with my 621.

    thanks
    Trevor
    I have both a DW625 and the DW621. The 8mm collets are on ebay if you do a worldwide search. I got mine from the UK but I am sure you could buy them locally from a reputable Dewalt dealer. About $30.00 with postage from UK.

    Col.
    Good better best, never let it rest, until your good is better and your better best.
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  7. 9th November 2010, 08:58 PM #6
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    rayintheuk
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    Try lining up one of the slots in the reducing sleeve insert with one of the collet slots before tightening. This shouldn't be necessary, but with some coarse-threaded collets it can help.

    Ray
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