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Author Topic: 6mm dops for Imahashi  (Read 2117 times)

steveo

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6mm dops for Imahashi
« on: November 05, 2022, 11:25:15 AM »
Looking for a few brass dops for a Imahashi faceting maching we have at our club shop. Just maching no extra parts to cut rough. Also like to know the lengh of there dops. Wounder if I could replace its 6mm chuck for a 1/4" chuck?

Thanks all
Steve

RoughCreations

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Re: 6mm dops for Imahashi
« Reply #1 on: November 06, 2022, 12:14:19 PM »
Sounds a bit like you will need to get someone to machine some dops up for you? There are users on this forum with lathes and other machinery that do this sort of work. I know Bert from the NL makes dops, but I imagine he would need full specs of the dops first, unless he has made some for others in the past. PM me for his email.
https://aussielapidaryforum.com/forum/index.php?topic=6857
I have no first-hand knowledge of the Imahashi machine specifications, but I added an Imahashi Manual pdf download to the forum that you (or others) may find useful that I came across.
https://aussielapidaryforum.com/forum/index.php?action=downloads;sa=downfile&id=20

RC
« Last Edit: November 09, 2022, 09:27:51 AM by RoughCreations »
Rough Creations - Beauty from rough beginnings

FlashGP

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Re: 6mm dops for Imahashi
« Reply #2 on: November 09, 2022, 08:40:19 AM »
You can buy 6mm aluminium  rod from Bunnings if aluminium dops are OK.  Otherwise you can buy 6mm brass rod from a metal supplier like George Western & Sons in Brisbane.  IO bought some 1/4" brass rod for dops for my Facetron and it works great. 


The only issue is having to carve the keyway if your dops are keyed.  I'm not sure what system a VJ uses.


For a Facetron the key is a flat section filed into the dop until the thickness at that point is 5.1mm.  For a VJ the Key is a 45 degree flat on the end of the dop, which is then has a slightly concaved with a half round file.  A Hall is similar but a different diameter rod (I think 38 calibre).   The keyway on a GemMaster is harder to cut being a grove running along the side of the dop.
Yours Sincerely
Flash (Gordon)

 

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