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Thread: Quick bevel tool

  1. #11

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    Stevohdee's Tools
    Thanks dick for your comment, much appreciated,
    regards
    Stevoh

  2. #12
    Toolmaker51's Avatar
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    Quote Originally Posted by Stevohdee View Post
    Thanks toolmaker 51, now ya got me thinkin, hmm, could have used quick parting tool recently & spring return? Hmm, great input, have thought about increasing travel somehow.
    thanks
    Stevoh
    Most lathe hands will state parting their least favorite task. Added [excess] travel puts greater deflection on the extended bit...not a happy time for parting tools.
    Narrowing effective [cutting] width reduces it...That explains why parting tools have a tall profile in comparison to width. The round bit has great clearance without the support underneath.
    The round bit is used in milling too, called a "D" bit; initial clearance provided by grinding upper edge past centerline.
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    Toolmaker51
    ...we'll learn more by wandering than searching...

  3. #13

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    Yep, you're right, parting tool out of the question... Unless whole unit moves with tool... Back to the drawing board!! Thanks again

  4. #14
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    Quote Originally Posted by Stevohdee View Post
    Yep, you're right, parting tool out of the question... Unless whole unit moves with tool... Back to the drawing board!! Thanks again
    That sounds like a natural development; anchoring pivot side so tool and holder move together, minimizing unsupported tool.
    Your square-tipped bit is efficient, proven by plunging into solid material. Your tool may or not part well in every case, depending on material, depth and proper grind. It should perform 'necking', which is parting without full penetration. Also, there's a process to relieve inside corners; plunging in a short distance at 45° so perpendicular surfaces accept flush mating parts.
    Quick bevel tool-relieved_fillet.jpg
    Such a cutter needs back clearance on each side, eliminating a jam in the narrow groove. A tiny radius will blend surface marks, helping avoid a jam.
    To chamfer open corners, a small radius on each side of bit will reduce [blend] tool marks of hand-fed cutter movement....As only one face is cutting, the extra contact shouldn't generate too much load on the tool.
    Last edited by Toolmaker51; 06-20-2018 at 09:54 PM. Reason: sketch added
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

  5. #15
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    Thanks Stevohdee! We've added your Bevel Tool to our Lathe Accessories category,
    as well as to your builder page: Stevohdee's Homemade Tools. Your receipt:





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