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Home made DAREX DRILL SHARPENER

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  • Bill Pace
    replied
    Originally posted by J Tiers
    Ah.......

    the thing like a flat Rugby ball stuck on the holder is the cam for the relief.........

    And it moves the holder around the pivot to form the relief?
    "flat rugby ball" ---Hah!!, pretty good description, and you got it figured. ----That holder is to set the bit up in the chuck (rugby ball gizmo)--- get your tip angle, (135,118*, etc) and position the tip for contact to the wheel, -- when set, you move it undisturbed to the sharpener side (left) and then to the splitter, and yes, the cam determines the relief using about a 90* twist, -- with the splitter being just a rocking motion.

    With a skilled operator it (like Lane) it takes 30-60 seconds to do a bit (if its not damaged).... we wont talk about how long it takes ME!

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  • J Tiers
    replied
    Ah.......

    If I have that right, the thing like a flat Rugby ball stuck on the holder is the cam for the relief.........

    And it moves the holder around the pivot to form the relief?

    That doesn't look so bad, it's a matter of messing with the geometry a bit to get the right relief, but ever after that it would be the same always..... So long as you get the drill alignment right (which is where the Drill Quack falls down)

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  • Bill Pace
    replied
    Heres what I ended up with....I scored with my ebay Darex stuff by getting the M-3 pieces like Lane, but got a bonus by also getting the splitter .... good thing too, I'd never built that thing like lane did!

    The buddy Lanes talking about, scored the full M-5 package off ebay, along with some extra stuff that Lane was able to get from him. So, the 3 of us now have these HIGH dollar drill sharpeners and we didnt have to spent tooo much.

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  • lane
    replied
    Correct . That is why i call it a home made Darex. That is a exploded view of the M5 model the m4 was the same with out the point splitter .(the attachment on the right.) The sharpening attachment on the left is what I bought fro a friend . The attachment was sold as a M3 to be put on your own grinder.

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  • DICKEYBIRD
    replied
    Lane, I ran across this drawing during a web search this morning. Is this the machine your attachments came from?



    Here's a link to the site with various Darex drawings.
    http://www.darex.com/main/parts_schematics/

    Leave a comment:


  • DICKEYBIRD
    replied
    Originally posted by lane
    What is a dxf?
    What Joel said plus my feeble attempt at humor.

    Even if I had the CAD file I couldn't come close to duplicating your work.

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  • Joel
    replied
    A .dxf is just a drawing file format. Specifically, 'Drawing eXchange Format' created by AutoCAD.

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  • lane
    replied
    Originally posted by DICKEYBIRD
    Yabbut where's the .dxf? (Or at least an egg in my beer)
    What is a dxf ? I have heard the term but this computer stuff is Greek to me.All I know is how to machine ,and build things.

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  • sconisbee
    replied
    Originally posted by DICKEYBIRD
    Yabbut where's the .dxf? (Or at least an egg in my beer)
    Now yer just getting greedy! and ive run out of eggs

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  • DICKEYBIRD
    replied
    Originally posted by sconisbee
    Thats a sweet bit of work there! i'm always in awe of the amount of talent on here and you take the time to upload plans too! thankyou
    Yabbut where's the .dxf? (Or at least an egg in my beer)

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  • sconisbee
    replied
    Thats a sweet bit of work there! i'm always in awe of the amount of talent on here and you take the time to upload plans too! thankyou

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  • tyrone shewlaces
    replied
    Wow. I was just kiddin' and they go & upload drawings & pics.
    I'm in the same boat and have a Darex rig minus the point splitter, so although I was kidding I really will use it.

    Thanks.

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  • Guest's Avatar
    Guest replied
    Looks good Lane, thanks for sharing.

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  • Bill Pace
    replied
    Spent some time with Lane again this afternoon, -- he was doing some fine tuning on the Darex and when got through, he popped a couple 3/8" drill bits in to check it out and WHOA! -- will that thing do a job on a drill bit!....and the splitter.........!!

    While the splitter was off I grabbed a couple shots so you can get a better appreciation of this thing, --- he gets stuff out of the scrap box and makes things like this!! Note the little white dot on the knob....yep, he made that too!

    Thankfully between the 2 of us we got the print figured out....


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  • lazlo
    replied
    That worked great Lane -- thanks!

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