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  1. #1
    Join Date
    Feb 2006
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    Lindfield N.S.W.
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    57
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    2,383

    Default Jewellers saw blade choice

    I have a jewellers saw, which I propose to use to cut brass and steel parts to make tools. How do you go about deciding which tpi you need?
    Cheers

    Jeremy
    If it were done when 'tis done, then 'twere well it were done quickly

  2. #2
    Join Date
    Sep 2007
    Location
    Wentworth Falls NSW 2782
    Age
    71
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    102

    Default Piercing saw blades

    Jeremy,

    Try these for some pointers,

    Jeweler's 'piercing saw'

    Using a Jewelry Saw

    Some videos,

    Art Jewelry Magazine - Metalsmithing

    and a table of blade sizes,

    Cheers,

    Findlay.

  3. #3
    Join Date
    Jan 2004
    Location
    Mackay North Qld
    Posts
    4,497

    Default

    My late father was a jeweler. I found using his jewelers saw blades, that the the larger tpi serve to cut the softer materials much better.

    Like in the larger ones coarse pitch for soft , fine pitch for harder stuff.

    The chart serves to illustrate the need for keeping a certain number of teeth in the thickness of the cut.

    They are best used with a hook and peg set up on the bench with the blade cutting vertically.

    Do be careful as the fine teeth cut flesh really deep if used incorrectly.

    Cheers

    Grahame

  4. #4
    Join Date
    Aug 2009
    Location
    N.Y. u.s.a
    Posts
    42

    Default

    I need to buy a jewelers saw to try some inlay work for a guitar. I had no clue about using them so I looked it up on youtube. there's a bunch of videos that explain the types of blades, how to install the blade (which I took for granted that you just clamp it in, but I was wrong) and how to cut with the saw.

  5. #5
    Join Date
    May 2009
    Location
    Somerset, UK
    Posts
    58

    Default

    This is some of the stuff I do using a piercing saw.
    Cut Coins 2
    Mark
    What you say & what people hear are not always the same thing.
    http://www.remark.me.uk/

  6. #6
    Join Date
    Jan 2004
    Location
    Mackay North Qld
    Posts
    4,497

    Default

    Hi All
    The hook and peg fixture I alluded to is shown in Marks pics above.

    He had a special fixture on his jewelers bench that that the peg slid into.

    The teeth on the blade face down of course ,so that the job is pulled down onto the peg.The saw frame is then tensioned after fitting the blade to keep the blade taut.


    Grahame

  7. #7
    Join Date
    Feb 2007
    Location
    Katherine ,Northern Territory
    Age
    64
    Posts
    736

    Default

    Where do you get the piercing saw blades from? most Jewellery suppliers sell by the gross , way too many for me to buy a few different sizes .
    Or will I break that many learning?
    I've a box full of old coins from all over the globe ,I was going to try cut coins like Mark has done.

    Kev.
    "Outside of a dog a book is man's best friend ,inside a dog it's too dark to read"
    Groucho Marx

  8. #8
    Join Date
    Feb 2006
    Location
    Lindfield N.S.W.
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    Default

    Got them in dozen packs from My Tool Store
    Cheers

    Jeremy
    If it were done when 'tis done, then 'twere well it were done quickly

  9. #9
    Join Date
    Feb 2007
    Location
    Katherine ,Northern Territory
    Age
    64
    Posts
    736

    Default

    Thanks Jeremy .
    "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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