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Thread: Bandsaw throat plate

  1. #1
    Supporting Member Toolmaker51's Avatar
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    Bandsaw throat plate

    To save milling of contours [profiling] nothing beats a vertical bandsaw. In small cuts, throat plate needs to be flush, and with slot just wider than blade. At this instant flush a bigger issue.
    After visually marking 4 equidistant spots, 2 magnets provided a Vee block like locator fixture. Quick work, #29 drill for 8-32 set screws.
    Bandsaw throat plate-throatplate.jpg
    Don't use stainless screws, unless purchasing length compatible for plate thickness and depth of recess. They're difficult to shorten and chamfer new corner of thread.
    A simple matter, adjusts screws to be in an even plane with saw table. I recommend a block with a fairly sharp corner to verify flush condition.

    Slot width I can't remedy immediately. That will be a pressure plate set-up in the lathe, for OD [+/-.002] and narrow chamfer of bottom edge. Probably 2nd use of improved saw will be roughing out it's own new plate[s]. Then after turning and scribing centerline, it'll saw the slots. Aluminum seems favored for throat plates, less potential damage to blades. I prefer steel, as generating less frictional interruption between table and plate. Some saws have a loose dowel hole to keep plate in line with blade.

    Below is tonyfoale's plate; far more correct execution than original you see modified above. While circular plates are infinitely more common, a rectangle or square is superior. Round is just a manufacturing convenience. Why on earth the plate is so widely slotted is beyond me.

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    Last edited by Toolmaker51; Mar 26, 2018 at 08:08 PM.
    Sincerely,
    Toolmaker51
    ...we'll learn more by wandering than searching...

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    Seedtick (Mar 25, 2018)

  3. #2
    Supporting Member tonyfoale's Avatar
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    On the bandsaw that I recently built and featured here a couple of weeks back. I made the throat plate hole as a corner rounded rectangle, and made a matching plate. I fed the plate in by hand and let the blade cut its own space. This photo was taken after the saw has seen a fair bit of use and you can see that the blade has not attacked the plate.

    Bandsaw throat plate-table-06.jpg Click thumbnail for full size.

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    Toolmaker51 (Mar 26, 2018)

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    Thanks Toolmaker51! We've added your Bandsaw Throat Plate to our Bandsaws category,
    as well as to your builder page: Toolmaker51's Homemade Tools. Your receipt:




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    Thanks tonyfoale! We've added your Bandsaw Throat Plate to our Bandsaws category,
    as well as to your builder page: tonyfoale's Homemade Tools. Your receipt:






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