piercing punch
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Thread: piercing punch

  1. #1
    VIP Sponsor 59 Floride's Avatar
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    Default piercing punch

    Does anyone know where I can get hold of a set of piercing number punches like this, just in case I ever need them..?

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    ljh.jpg

  2. #2
    VIP Sponsor 59 Floride's Avatar
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    bump, anybody..?

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    Quote Originally Posted by 59 Floride View Post
    bump, anybody..?
    Every workshop needs one of these. . .

    https://www.ebay.com/itm/Ideal-Model....c100036.m2109

    Graham,
    I know you like original but you could achieve a result on a flat bed router with a cad/vector file. . .

    Cheers
    Chris
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    "Déesse" Roland Barthes, 'Mythologies', 1957

    The Déesse has all the characteristics of one of those objects fallen from another universe that fed the mania for novelty in the eighteenth century and a similar mania expressed by modern science fiction: the Déesse is first and foremost the new Nautilus.

    (Umberto Eco [Ed], The History of Beauty, Rizzoli, NY, 2004)

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    VIP Sponsor 59 Floride's Avatar
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    Wow, never seen one of those before. Don't know if I really want one bad enough to part with $3K tho.

    I wonder if I could do the piercing via the acid etch process, I reckon I could.., thinking, thinking..

    df.jpg
    Last edited by 59 Floride; 14th February 2020 at 02:32 PM.

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    Administrator GreenBlood's Avatar
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    Quote Originally Posted by 59 Floride View Post
    Wow, never seen one of those before. Don't know if I really want one bad enough to part with $3K tho.

    I wonder if I could do the piercing via the acid etch process, I reckon I could.., thinking, thinking..
    Trick would be to stop the process before the acid leached under the resist - of course you could do it, you're the Master!!!

    Cheers
    Chris
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    "Déesse" Roland Barthes, 'Mythologies', 1957

    The Déesse has all the characteristics of one of those objects fallen from another universe that fed the mania for novelty in the eighteenth century and a similar mania expressed by modern science fiction: the Déesse is first and foremost the new Nautilus.

    (Umberto Eco [Ed], The History of Beauty, Rizzoli, NY, 2004)

  6. #6
    VIP Sponsor 59 Floride's Avatar
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    Thanks for the vote of confidence GB but I'm still a mere grasshopper compared to you.

    I'll have a tinker and see if I can formulate a process that works.

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    1000+ Posts Peter C's Avatar
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    Come on, a man of your talents should surely be able to design and construct one of those thingoes. Just think of the challenge!

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    COL
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    Regards Col

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    1000+ Posts schlitzaugen's Avatar
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    Just use a normal set of punches, bash them hard on a soft surface, then sand away the back. You will have to modify a little bit the numbers with circles/closed contours to leave support tabs for the interior contour though, but not that hard. A dremel with a thin cutting disc should make easy work of it.
    ACHTUNG ALLES LOOKENPEEPERS

    Das computermachine is nicht fur gefingerpoken und mittengrabben. Ist easy schnappen der springenwerk, blowenfusen und poppencorken mit spitssparken. Ist nicht fur gewerken bei das dummkopfen. Das rubbernecken sightseeren keepen hands in das pockets-relaxen und watch das blinkenlights.

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    Quote Originally Posted by GreenBlood View Post
    Every workshop needs one of these. . .
    Wow indeed! I love what I learn here. Thank you Mr Greenblood.
    JohnW

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    Quote Originally Posted by 59 Floride View Post
    bump, anybody..?
    Very distinctive style, those numbers....
    JohnW

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    Quote Originally Posted by Peter C View Post
    Come on, a man of your talents should surely be able to design and construct one of those thingoes. Just think of the challenge!
    Quote Originally Posted by COL View Post
    Quote Originally Posted by schlitzaugen View Post
    Just use a normal set of punches, bash them hard on a soft surface, then sand away the back. You will have to modify a little bit the numbers with circles/closed contours to leave support tabs for the interior contour though, but not that hard. A dremel with a thin cutting disc should make easy work of it.
    Thanks for the suggestions. I'm hesitant to acquire anymore machinery or major pieces of kit, I'm really just trying to finish what I have on the go ATM. I'll try the acid etch process and see if I can get a result.

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    Quote Originally Posted by JohnW View Post
    Very distinctive style, those numbers....
    Quite, when you study the style of font used by Renault on these diamond badges they do look quite bizarre, I guess it was Regis way of avoiding counterfeiters.

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    1000+ Posts fnqvmuch's Avatar
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    i assume 2 is to 5 as 6 to 9?
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    Etching Aluminium is a bitch and given the thickness is quite considerable for the process I would say it's risky.

    Now there's not that many numbers and the metal is thin and soft so I would not discount just copying the numbers in the correct order on the workpiece and filing them by hand with a watchmakers' needle file (or a bunch of them). A filing machine would be great here.
    ACHTUNG ALLES LOOKENPEEPERS

    Das computermachine is nicht fur gefingerpoken und mittengrabben. Ist easy schnappen der springenwerk, blowenfusen und poppencorken mit spitssparken. Ist nicht fur gewerken bei das dummkopfen. Das rubbernecken sightseeren keepen hands in das pockets-relaxen und watch das blinkenlights.

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    What about a drill, a dremel and a stencil of some description? No sharp corners, though.

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    Not sure about ACID leaching with aluminium.... Does alkaline leaching work on ally? I reckon the drill/Dremel/stencil is the go, so you can reproduce the unique lettering style.
    JohnW

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    The plot thicken somewhat, compare these images from different decades and there are subtle differences across the fonts. granted 6 & 9 are the same but 2 & 5 are distinctly different..

    Attached Thumbnails Attached Thumbnails piercing punch-1940.png  

  19. #19
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    Quote Originally Posted by JohnW View Post
    Not sure about ACID leaching with aluminium.... Does alkaline leaching work on ally? I reckon the drill/Dremel/stencil is the go, so you can reproduce the unique lettering style.
    Acid etching definitely works on Aluminium but the hydrochloric needs to be kept cool or it will totally devour the workpiece.

    Here's an etching I did some time ago, it only took about 7 goes to get it right.

    12w.jpg

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    Quote Originally Posted by 59 Floride View Post
    The plot thicken somewhat, compare these images from different decades and there are subtle differences across the fonts. granted 6 & 9 are the same but 2 & 5 are distinctly different..

    The good thing for you, if you were thinking of an older lozenge plate, is that the 1934 ones are a standard European number font by the look of them.

    Very impressed with the acid etching example!! How do you get such sharp edges? Not to mention an even depth. I guess the answer is "7 prior attempts..."!
    JohnW

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    Quote Originally Posted by JohnW View Post
    The good thing for you, if you were thinking of an older lozenge plate, is that the 1934 ones are a standard European number font by the look of them.

    Very impressed with the acid etching example!! How do you get such sharp edges? Not to mention an even depth. I guess the answer is "7 prior attempts..."!
    I did write a paper on the process for future reference and I'll email it to you when I find it. Perhaps I'll conduct an AF workshop on the process sometime,

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