LumberJocks

Spalted maple and alumalite wall street pen

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Project by NaptownWood posted 11-06-2014 06:53 PM 867 views 1 time favorited 4 comments Add to Favorites Watch

Still working out the kinks on the alumalite casting of waste wood. Waste wood meaning just about any scraps laying around so that when you pour the resin around it, part will be all resin and part will be all wood. You spend a few hundred for the tools and materials, but these blanks sell for $20 or more a piece, or at least that is how to try to justify it to the wife.

Really having fun with this, the sky is the limit, or your imagination at least. Guys are making some true art in some of these.

This one still has a ca finish over it because its still half wood. Got some new ca finish bushings which hugely help the problem of having to un stick your pen from the bushings, and possibly damaging it in the process. They are conical white delron, and hardly nothing sticks to them, and the conical shape created a natural breaking point for the ca as you wipe it across the blank.

Any tips or critiques would be appreciated.

-- Witty signature line still pending





4 comments so far

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drbyte

727 posts in 3523 days


#1 posted 11-07-2014 03:56 PM

Nice pen! How about a few more details? Where did you get your Delron bushings? How are you casting? do you mold the brass tube in as you cast? Did you make a mold of some sort? Would PVC pipe work as a mold you think? I’ve been wanting to try this but have not found enough detail yet about it. Thanks for sharing pic and info! Is it alumalite or alumilite? I’m finding both in Google but not sure which it is.

-- Dennis, WV

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drbyte

727 posts in 3523 days


#2 posted 11-07-2014 04:40 PM

Got another question for you. Is this stuff strong enough/good enough for a screwdriver handle? I make a lot of interchangeable bit drivers ( http://lumberjocks.com/projects/97298 ) and was wondering if I could use this stuff for this purpose also?

-- Dennis, WV

View NaptownWood's profile

NaptownWood

283 posts in 1334 days


#3 posted 11-07-2014 05:00 PM

The bushings for the ca came from Woodcraft for about $6. Great deal, but if you saw them, you could use some of the delron (plastic cutting board material) and turn your own on the lathe. See my last pen post for some info on the setup I use. The product is alumilite out of Kalamazoo Michigan. I just looked in the manual and the stuff I use is alulilite water clear, and it has a hardness of 72D, tensile strength of 3,120 psi and it doesnt melt until a few hundred degrees. You can throw it up in the air and let it land on a concrete floor without cracking or scratching.

I would suggest using the youtube or penturners.org for the best info. Alulilite is better than the silmar41 polyester resin because alumilite has almost no odor, but the polyester resin will drive you out of the house and garage. Really really stinky. Like you need a respirator and fume hood to use it.

If you get the HF pressure pot, you can be making castings the same day. Alumilite isnt cheap, but if you add up how many cool turning blanks you get out of it, it maks $ sense.

The silicone mold i bought produces 4 full blanks, so i just treat them as regular pen blanks and prepare them accordingly. Casting with the tube in first seems to be for more intense pens such as a watch parts pen, or a carbon fiber pen. Search youtube for watch parts pen, and there is a great video which has as its cover photo a great vivid blue pen. Im totally making one of those, but that will show you why to cast with tubes in place.

There are several guys doing it on youtube, but the guy from texas who makes “cactus juice” stabilizer sems pretty good.

Silicone works good, pvc seems to work for the silmar41, dont know about alumilite.

Its pretty cool stuff, once you make a good blank, you start to see all of the possibilities, which are about endless.

-- Witty signature line still pending

View drbyte's profile

drbyte

727 posts in 3523 days


#4 posted 11-07-2014 06:35 PM

Thanks for the great info! Do you use vacuum on your HF pot? How much? Again, Thanks!

-- Dennis, WV

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