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Thread: Sphere Turnings
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1st March 2018, 04:38 PM #1
Sphere Turnings
I received a Vermec Sphere Jig for my recent birthday. I have turned spheres by hand from 50mm to 150mm diameter in the past and the jig interest me.
I totally bodged the first attempt, I did not have the jam chucks sorted and produced a lemon. No there is no pic, it is almost as ugly as my mug, so in the interest of public safety . . .
I got the jam chucks sorted and revisited Guilio and Brendan's vids on the jig, saw where I had made errors and corrected my technique.NSW Rosewood Sphere.jpg My second effort, NSW Rosewood, 80mm diameter
Today, I challenged myself to turn a Spherical Turned box. I had this offcut of Red Ash (I think) about the dimensions I wanted to play with, 73mm diameter.Practice 02.jpg
I turned how Brendan did and still had some minor issues, but was able to correct them. Tool control to reduce spigots 50+mm over the tool rest is interesting. I got the magic spiral Practice 03.jpg
Luckily, there was enough meat to remove that and still end up with sphere.Practice 04.jpg
I removed the majority of the spigot with a hand saw, then a 12mm skew in scraping mode. Practice 05 (1).jpg
Of course the bottom cracked when some ham fisted oaf rechucked it. Practice 06.jpg
But I managed to save it . . . Practice 09.jpg Practice 11.jpg Practice 12.jpg
I am happy with the jig.Pat
Work is a necessary evil to be avoided. Mark Twain
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1st March 2018, 05:03 PM #2
Why are the vids we watch always make the activity look so easy to duplicate????. Pat your perseverance was worth while, it looks good from here. I have thought of making the apparatus but that is as far as I have got....thought. Its still a bit hot to do anything in the shed even with evaporative cooling.
Just do it!
Kind regards Rod
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1st March 2018, 06:14 PM #3
Rod, as a tool maker, I am good at turning mallets. Anything more complex, then I'll pay for someone's expertise.
Pat
Work is a necessary evil to be avoided. Mark Twain
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1st March 2018, 06:49 PM #4GOLD MEMBER
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I s'pect it would be very easy to start out with something the size of a bowling ball and end up with a marble. Glad I'm not a turner!
The box is very attractive. Nice work.
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1st March 2018, 08:02 PM #5
Dave, have you been watching me turn?
I am an eggspert in making big lumps of wood spin into matchsticksPat
Work is a necessary evil to be avoided. Mark Twain
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2nd March 2018, 09:05 AM #6GOLD MEMBER
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2nd March 2018, 09:12 AM #7
It reminds me of that old story about a brother who wanted to make something for another brother's birthday. When unwrapping the parcel a tooth pick was the gift. Then the brother admitted...."Well, I started off making a coffee table but I ran into a bit of trouble then I started to make....well in the end the only material I had left was enough to make this tooth pick"
I think we have all been there if we are honestJust do it!
Kind regards Rod
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2nd March 2018, 10:07 AM #8
Very nice Pat. The rosewood one looks particularly good.
For inspiration, check out Frank Howarths videos on the 8 ball and the death star.Those were the droids I was looking for.
https://autoblastgates.com.au
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2nd March 2018, 02:51 PM #9SENIOR MEMBER
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David Springett is also worth a look for the aspiring sphere turner https://www.youtube.com/results?sear...rning+wizardry
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7th March 2018, 08:04 PM #10
Here is today's offering, Southern Silky Oak. 82mm diameter.Southern Silky Oak.jpg
Pat
Work is a necessary evil to be avoided. Mark Twain
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7th March 2018, 08:14 PM #11
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8th March 2018, 11:20 AM #12
Looking good, Pat!
So... you started compiling a list of 'mates' who want to borrow it yet?
- Andy Mc
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8th March 2018, 12:23 PM #13
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8th March 2018, 06:49 PM #14
Lucky me!
- Andy Mc
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8th March 2018, 07:22 PM #15
Latest in the saga, some ham fisted yokel managed to have a "significant" catch.
Let's just say, after hollowing out with a bowl gouge, I set up the jig to make the final cuts and the stuff up fairy caught up with me.Bent 01.jpg
Bent 03.jpg
A very late in the day email to Vermec and thanks to Nadine and Enzo for supplying a solution. Off to the post office tomorrow morning.
Lesson learnt, Sydney Blue Gum requires very gentle cuts, you great big yokel!Pat
Work is a necessary evil to be avoided. Mark Twain
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