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Thread: Made myself a cone thingy today.
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16th March 2008, 07:24 PM #1
Made myself a cone thingy today.
To quickly set the calipers. Got the idea from a book I'm reading at the moment. I turned it from scrap and have attached it to the side of the lathe. Spose all you blokes have already got cone thingys
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16th March 2008, 07:31 PM #2
Good thinking 99
An improvement would be to make it stepped
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16th March 2008, 07:38 PM #3Skwair2rownd
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16th March 2008, 09:46 PM #4.
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16th March 2008, 10:01 PM #5
it going on the list.
might get to it by next christmas
www.carlweiss.com.au
Mobile Sawmilling & Logging Service
8" & 10" Lucas Mills, bobcat, 4wd tractor, 12 ton dozer, stihl saws.
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16th March 2008, 10:24 PM #6
.
I like your idea funkychicken. Will put it back on the lathe and step it all before the pencil marks smudge out. and do it again in pen.
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16th March 2008, 11:54 PM #7
I'd leave it as it is Jake - how else will you get a half size (a tad bigger etc!) between your markings
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17th March 2008, 12:28 AM #8.
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Jake... What are you doing on a lathe? Have you decided to give up woodworking for a while?
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17th March 2008, 04:54 AM #9
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17th March 2008, 04:58 AM #10
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17th March 2008, 10:02 AM #11.
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That poofteenth above actual size is a very useful one when turning. Say I'm turning to 25 mm - I would set my calipers for 26 mm and take bigger cuts till the calipers fit then I creep up to the right size using smaller cuts.
The cone thingy could also be useful other way - say you want to turn to 25 mm mm so you turn for a while and you drop the calipers set at 25 mm on the turned wood and it sort of sits on the wood but its hard to envisage whether you have 1 or 2 mm to go. Set the calipers to the size of the wood being turned and then drop the calipers on the cone and see how much there is to go.
Of course a digital vernier calipers are pretty handy in these situations.
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17th March 2008, 10:10 AM #12
Good idea. Will save some time as I always have to rummage in the shavings to find the ruler.
Regards
John
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17th March 2008, 12:08 PM #13GOLD MEMBER
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17th March 2008, 08:34 PM #14
I can see how that may help. One thing that I haven't mastered yet,, that gets me nervious,, is sizing tenons to fit some hole. I like the fits to be just right, but I feel that its not going to be accurate enough with calipers.....either because the calipers flex a bit, or because I'm accually cutting at the wood a little with them so that I've really sized bigger overall...etc..
Can only relax when I can test the fit, but to do that I have to dock the end off. point of no return sort of thing.
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17th March 2008, 08:40 PM #15Hewer of wood
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Not sure I get you with the tenon size query AT.
How would this work?
Turn it down to a bit over size, then turn the tip down to your best guess and fit it into the hole. Twist the tenon to and fro a bit and remove. The mark left on it tells you what size it should be and then you can take a light cut on part of the remainder and retest. And repeat.
Make sense?Cheers, Ern
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