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Thread: NIP green turned bowl - WIP.
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13th October 2009, 10:34 PM #1
NIP green turned bowl - WIP.
Started at the turn on at 's on Saturday. Most people left by 3ish. I didn't have to be anywhere for another 2 hours. What does one do with 2 hours, a whole workshop full of tools and lathes, and an NIP log?
We cut the log to a circle on 's band saw. You can fit 11 inches under there. then screwed it to a screw chuck and turned it round. Made a tennon to go into the big jaws on the little chuck. Bought up the tail stock for support until most of the center was turned out and the bowl was somewhat lighter. I did some of the hollowing, but got in there when he got sick of watching my slow motion turning. Made some very pretty curlies.
A very rare pic of Robboo putting the lathe speed down.
Attachment 118947
hollowing.
Attachment 118949
The hazards of watching hollowing.
Attachment 118950
Making curlies.
Attachment 118951
Skew and Calm inspecting the curlies.
Attachment 118948
After much hollowing, me nearing the bottom.
Attachment 118952
Dramatic arty pic taken by .
Attachment 118953
The bowl was then wrapped up in a plastic bag with shavings so it wouldn't dry out, to be returned to in a few days. I then had to race off to be somewhere by 6.45. Made it with minutes to spare.anne-maria.
Tea Lady
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13th October 2009, 10:53 PM #2
returned to 's today, to continue the NIP bowl.
After further hollowing to an even thickness of about 1 inch, I refined the out side shape, and sanded to about 240#. I had had discussions on another thread about using CA to stabilized the soft patches of grain, but have decided to leave it as it is, holes and all. (Or at least leave the decision till later. )
Attachment 118959
I then progressively thinned the walls on the inside in 1 inch steps, down to about 8mm thickness. I decided on an ever so subtle inward curve in the top 1 or 2 inches rather than a dead straight sides so that the sides are a continuous curve from the base. (And from my pottery I know that this is a slightly stronger form cos the two way curve is harder to flex and I think looks a bit stronger. Although not really perceived by a viewer. Anyway that's my theory. )
Attachment 118960Attachment 118961
I then had to race off again. This time to pick Small Boy up from school. The bowl was wrapped again in its plastic bag and curlies, to be worked on next week. Hopefully the hollowing out to finished thickness will be completed before disappears for MONTHS. I will bring it home then, to be anointed with danish oil or some such thing while it dries out.
Stay tuned till next week.anne-maria.
Tea Lady
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Follow my little workshop/gallery on facebook. things of clay and wood.
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13th October 2009, 11:00 PM #3
Keep the pics coming TL, looking good.
Neil____________________________________________Every day presents an opportunity to learn something new
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13th October 2009, 11:02 PM #4
Tag Turning, perhaps a new sport...
Looking forward to seeing the NIP bowl when all done.
.....Stay sharp and stay safe!
Neil
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13th October 2009, 11:12 PM #5
Good call on the curve. I still think that it would've looked better if even more pronounced to show off the knots on the rim, almost a semi-enclosed urn shape. Still, with so many cooks offering advice at the time...
So, it hadn't ovalled during it's time in the bag?
Now that you've turned it down to only 1cm or so thickness, you really want to finish it asap before the gremlins decide to roost...
- Andy Mc
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13th October 2009, 11:26 PM #6anne-maria.
Tea Lady
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14th October 2009, 11:52 AM #7
hmmmm...didn't know that bowls ovated
Cheers,
Ed
Do something that is stupid and fun today, then run like hell !!!
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14th October 2009, 01:05 PM #8
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14th October 2009, 09:23 PM #9
[QUOTE=Skew ChiDAMN!!;1048150]
So, it hadn't ovalled during it's time in the bag?
QUOTE]
Had the same thought myself when I read the thickness, then remembered it had been turned endgrain, not crossgrain. So maybe a little wobble around the knots, but no serious ov******... .
.....Stay sharp and stay safe!
Neil
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14th October 2009, 10:52 PM #10anne-maria.
Tea Lady
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15th October 2009, 12:38 AM #11
I wake up pretty full most morn's. But it soon passes.
- Andy Mc
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15th October 2009, 12:41 PM #12
groan
Cheers,
Ed
Do something that is stupid and fun today, then run like hell !!!
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16th October 2009, 12:31 AM #13Skwair2rownd
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I think all this clever playing with words deserves an ovation.
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22nd October 2009, 06:10 PM #14
Managed to get back to 's today. After unwrapping the bowl we discovered that it STILL hadn't ovated. So hollowing to final thickness continued.
Attachment 119978
I used mesh sandpaper so that it didn' clog with sanding green wood. Worked really well.Attachment 119979
Nearing the base we needed 2 more inches on the tool rest. So it was clamped on with multi grips. Wouldn't do this for heavy cuts, but since its only the final refining it was OK.
Attachment 119980
The base kinda refined and smooth, but having a littel trouble with tear out and catches.
Attachment 119981
's scraper that I was using (cos all mine are small ) was a reground skew and I noticed the bit that still had some skew profile on it (ie: was "back bevelled" ) was doing a better job, so we back bevelled the whole things.
Attachment 119982
Using the back bevelled scraper.
Attachment 119983
the finish "off the chisel, with some fine curlies.
Attachment 119984
Sanded to 180ish #. Not quite as well as I would usually do it, but I had to race off again and be mother.
Attachment 119985
The piece in profile, off the lathe. Will be tucked up in a box surrounded by shavings to dry slowly. Then to be massaged with oils and abrasives. At some time in the future. (Maybe I should weigh it? )
Attachment 119986
And so now to wait. :tappingfingers: I hate waiting.:kickstone: Oh well. Other things to do in the mean time. Two other logs for a start.anne-maria.
Tea Lady
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Follow my little workshop/gallery on facebook. things of clay and wood.
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22nd October 2009, 06:32 PM #15
It looks like you called that one right, Neil!
It has come up looking good, TL. A bit plain for my taste, but the grain should make up for that once it's oiled... it should really pop, then.
I would never have thought of extending the rest that way. I hope I never need to! But it's one I'll keep filed away for future reference "in case of need.
- Andy Mc
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