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Thread: Truestone
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15th February 2010, 11:49 AM #1
Truestone
howdy doody
just ordered some truestone blanks and i am just wondering what is the best tools to use on it, and if there is anything to avoid in the turning process
thanks in advance for any advice
MIK
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15th February 2010 11:49 AM # ADSGoogle Adsense Advertisement
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15th February 2010, 12:15 PM #2GOLD MEMBER
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mik i have a few true stone blanks here but have only turned 2 of them so far ,
a white one with black craze through it and a red one that was called blood some thing anyway they both were easy to turn and i could of used whatever chisels i like no probs .
how ever it depends on the blank and the colour apparently .
but i had no trouble with gouges and skew chisels
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15th February 2010, 04:11 PM #3
Mik ! one good thing to do is to sand away as much of the corners as you can on a linisher or similar, this will save turning time and give the tool you use a bit more support once you start the turning process ,usual thing sharp tools and light cuts. These materials sand and finish very easily , i usually use the same process of finishing on these as I do a normal acrylic , Have fun ,they are worth the effort cheers ~ John
addendum I use a squirt of water when drilling to lubricate and cool .heat is no good here and use epoxy glue for your glueups as the truestone can be a bit brittle once its thinned down near to size and any areas not solidly glued can collapse (don't ask " heheG'day all !Enjoy your stay !!!
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15th February 2010, 04:35 PM #4
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15th February 2010, 06:49 PM #5
Polyurathane glue works fine, just squirt some water inside the tube before inserting the tube to activate the glue.
As for tools, it depends on the stone. I have turned them with a spindle gouge, roughing gouge and a skew. They can vary a lot in hardness so experiment and see what works for you. As previously suggested, knock the edges off on the sander will help making it roundIt's only a mistake if you don't learn from it.
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15th February 2010, 10:51 PM #6
Mik, be careful with heat in sanding, use wet sanding . Treat like Acrylic. Amos
Good, better, best, never let it rest;
Til your good is better, and your
better, best.
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16th February 2010, 11:20 PM #7
I've used a spear scraper on TruStone with good results. The spear scraper is 3/8" flat
steel with a 90 degree point (two 45 degree angles) and has a bevel on both edges.
If you think of a cutting bit for a metal lathe, it is similar but larger. I used it that way,
one edge laying flat against the blank surface, and the other at 90 degrees to the
blank.
Coming in from the end of the blank, it took off a lot of material quickly and left a
pretty smooth surface. Wish I could find more of those.. it's a favorite tool.
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19th February 2010, 12:00 AM #8
I do mine start to finish with a skew chisel for two reasons:
1- it is the sharpest tool in the box.
2- it is the easiest tool to keep sharp, and believe me when I say this stuff will dull your tool edges so fast you may as well keep the grinder turned on.
Did I mention the word 'sharp'?
If you're not confident in turning with the skew you could use a very sharp spindle gouge.
As for glue, I've used CA and poly without problems yet.
Sanding, as Amos said, is best when approached as if doing a fine acrylic. Heat is bad, wet sanding is good....micromesh wet sanding is very good. Again, using a skew, if done correctly, can eliminate the need for very aggressive sanding and I usually start at about 240 grit because the tool leaves less of a rough finish.
Just my 2 or 3 cents worth"That's impossible. Nobody can give more than 100%. By definition that is the most anyone can give"
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19th February 2010, 03:14 PM #9
well it has arrived, 6 bits of truestone and 18 other dyed stabilized blanks, this is one invoice that went straight in the bin, can't let SWMBO she this one
hopefully i will get some shed time this weekend to try the bits out
MIK
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19th February 2010, 03:24 PM #10
hehe! a whole new ballgame in one little box don't forget to slow your lathe and drill, as this stuff can act like a grindstone on your tools ,use a squirt of water where possible to lubricate and reduce heat ,especially when drilling .Enjoy cheers ~ John
G'day all !Enjoy your stay !!!
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21st February 2010, 03:46 PM #11Intermediate Member
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I've turned the Turquoise and Malachite true-stone and bot have turned like butter. The biggest trick is keeping it cool while drilling and turning....I did both slow and easy. Rounded with a 1" bowl chisel and finished with a 1/2" oval pen skew...wet sand with micromesh, Novus Plastic polish and buff with white diamond.....If your making a Baron you'll have about 3/4" of the blank left over - just enough too turn a finial cap and centrerband to replace the black one.....really adds contrast...
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