Threading PR & Alumilite

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J

Jarheaded

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Nov 30, 2007
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Fairfield county, CT, USA.
When I am attempting to thread PR, I am still getting the white lines in the threads even with the Pam and WD40. Is this a part of working with PR, or is it something that I am doing improperly? Next, has anyone tried threading Alumilite yet or is everyone staying away from it for some reason? I know that the lucite is popular, but I am looking to completely make my own pen without having to buy a blank since I can cast my own. And finally, has anyone found the corian to be a bit chalky when threading it?
 
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ldb2000

ldb2000

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Sep 11, 2007
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Laurence Harbor, NJ, USA.
Hi Johnnie
I've been using " Pam , Butter flavored " cooking spray and have been having good results so far , I still get occasional white threads but if you take very small cuts with the tap and die it seems to be better .
Alumilite seems to thread about the same as PR but I only had a couple Alumilite blanks to work with .
So far I've had the best results with Tru-Stone and what is commonly referred to as "Celluloid" which has given me the best results so far .
The couple of times I tried Corian I had no luck I think it has to high a solids content .
If your going to use your own casts try with liquid colorants . When I first started doing threading I experimented with different formulas of dry pigments (Coastal scents mica powders) and found that the less you use the better it threads , also powdercoat powders seem to cut a little cleaner (not sure why , I think it's because the powders are a finer grain) .
I hope this helps .
 
Darley

Darley

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Sep 3, 2004
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Melbourne, Victoria, Australia.
I don't know about alumilite but my PR do the same things maybe is because I use metal die cuting, I don't know if the teeth of the metal die is more sharp ( pointie ) than the tap and die set sold few month ago here, maybe some one will have a better answer, as for the corrian it will get powdery, as you thread by hand
 
J

Jarheaded

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Nov 30, 2007
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Fairfield county, CT, USA.
Thats great to know now that I just bought a set from someone. I cast mostly with alumilite but will do the occasional PR blank on request. I have given up on trying to thread the corian by itself and am attempting to create an area to be threaded out of something else. I have never tried any of the truestone blanks, but I guess I will have to give them a try. Has anyone tried the M3 blanks? They seem to have a lot of the qualities that should allow a good thread to take. I will have too try the butter flavor Pam, I think I have a can of it in the RV. Thanks for the help.
 
Ligget

Ligget

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Jan 13, 2005
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Bonnybridge, Scotland.
I am going to start trying to thread too, should I buy the tap and die for size M10x1 (I think this is the Churchill size). Any help here or via email on what to buy would be appreciated.
 
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