Finishing off a bushing job

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  • #49622
    twoess
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    • Topics Started: 10
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    Hi, do you guy’s after installing a bushing ever chamfer or countersink the oil sink on the bushing. If so what do you use. I have heard of the Bergeon Countersink set and also a Chamfer tool like on a bushing machine being used. Any Suggestions or is’nt this step necessary. Thanks

    #62960
    bernie weishapl
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    • Topics Started: 58
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    I use this one if I make my own with the lathe but if I use the KWM series which I use 90% of the time they already have oil sinks.

    http://timesavers.com/i-9500991-10mm-kwm-style-chamfering-cutter.html

    #62961
    arutha
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    • Topics Started: 85
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    I cut oil sinks with drill bits holding them by hand if they are sharp or put them in a pin chuck and then finish off with a ball burr.
    Paul.

    #62962
    willofiam
    Moderator
    • Topics Started: 75
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    Depends on what the rest of the plate has as far as oil cups cut or not, I would try and match what is there, Also look close at the oil cups, the cup is not a straight champher, it is a round cup. The reason is so that when the clock is in the vertical position the curved oil cup helps keep the oil in place. I use ball cutters but I do not have a source for you as I have had these for some time. William

    #62963
    arutha
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    • Topics Started: 85
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    If you dont mind buying from the UK – https://www.cousinsuk.com/product/ball-cousins-most-popular. They sell bigger sizes too but you may have to look through their site to find them. Ebay is worth a look too!
    Try and avoid the diamond ball burrs as they leave the sink with quite a rough finish.
    With regard to what William posted about copying what is already there, this is what I do with drill bits. You can, if you are careful, grind the tips to give you the shape you need.
    Paul.

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twoessFinishing off a bushing job