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14th April 2015, 01:09 PM #1
Wood Turners Using Metal Turning Lathes
G'day All - Currently I getting some advice in another forum as I do up a metal turning lathe which I hope to use for wood turning - I'm lookin' for any wood turners who use this method in the hope of getting some tips and advice on cutting tools etc etc. My main intended use at this time is to turn wooden toy truck wheels from around 50mm up to around 60mm in diam.
Hooroo
KJL1951 aka Kev.
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14th April 2015 01:09 PM # ADSGoogle Adsense Advertisement
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14th April 2015, 02:33 PM #2SENIOR MEMBER
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On a wood lathe we would turn them at 2500-3000rpm............
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14th April 2015, 04:06 PM #3
make sure you seal it up well...woodturning = dust storm!
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14th April 2015, 08:01 PM #4
Thank you gentlemen - tips noted.
Hooroo
KJL1951 aka Kev.
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14th April 2015, 08:24 PM #5
Look up Bill Ooms - http://www.billooms.com/
Bill recently demonstrated at Turnfest. He uses a metal lathe for very precise wood turning using his custom created software for both thin turning and his unique variation of ornamental turning.Mobyturns
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15th April 2015, 06:36 AM #6Senior Member
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Been using my old Myford S7 for just about anything turnable including wood for the last 40 years. Doesn't appear to have suffered any, I can still turn to 1/2 thou if I need it.
One tip - use a decent pump oil-can to push the muck out of the slideways regularly and use a vacuum to clean up rather than compressed air that just blows the dust where you don't want it.
MarkWhat you say & what people hear are not always the same thing.
http://www.remark.me.uk/
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15th April 2015, 10:24 AM #7
Mobyturns and Old-Biker-UK, gentlemen thank you very much - Mobyturns I'll certainly check out the link provided.
Old-Biker-UK, thanks for tips, I don't have a water feature on this old lathe I'm restoring, you can see it in metalwork forum under 'He Who Dares To Dream' - I'm very interested in finding out about the cutters used on it for wood turning. Thank you both again for your tips.
Hooroo
KJL1951 aka Kev.
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16th April 2015, 01:30 AM #8Senior Member
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Re cutters:
Generally if I want any degree of accuracy as here https://www.woodworkforums.com/showthread.php?t=178372 (talking about dense, stable hardwoods) I grab a tool holder with a cutter fit for mild steel (good top rake) and use the compound slide.
For fancy work I use a hand rest & (mostly home-made) small wood-turning tools.
MarkWhat you say & what people hear are not always the same thing.
http://www.remark.me.uk/
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16th April 2015, 09:57 AM #9
Last edited by KJL1951 aka Kev; 16th April 2015 at 07:15 PM. Reason: link not working
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16th April 2015, 12:13 PM #10Senior Member
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the video isn't very goood but you get the idea. this lathe has done literally millions of turnings since 1949. I have some others on youtube as well for some of the tooling. the cross feed screw has been replaced by a lever and there is a template follower on the back of the crossfeed way cover. It can be used free hand as well. I have used hss tooling in the "lamp post" type holder. Quite a lot of relief can be ground in the tools both in the top and the side. I also use carbide inserts of many shapes. They are of a grind typically used for cutting aluminum. positive rake and sharp not honed. with a good amount of relief on the top as well. The bowls are kiln dried ash.and finish about 5" in diameter and about 3" tall.
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16th April 2015, 07:11 PM #11
Thanks oreos40 - Firstly I watched ya video and certainly going to take me ages to work out exactly what you were doing to create the bowl along with what you told me in text. Quote; the cross feed screw has been replaced by a lever and there is a template follower on the back of the crossfeed way cover. It can be used free hand as well. I have used hss tooling in the "lamp post" type holder. Quite a lot of relief can be ground in the tools both in the top and the side. I also use carbide inserts of many shapes. They are of a grind typically used for cutting aluminum. positive rake and sharp not honed. with a good amount of relief on the top as well. Unquote:
I have downloaded some metal lathe images that show all the names for different parts of a metal lathe so I'll have a check that all out to understand exactly what you are tell me. Again thanks for your help it to is greatly appreciated and I'll eventually learn.
Hooroo
KJL1951 aka Kev.
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17th April 2015, 03:59 AM #12Senior Member
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this one seems to work
https://www.woodworkforums.com/f122/chippys-answer-178372What you say & what people hear are not always the same thing.
http://www.remark.me.uk/
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17th April 2015, 09:58 AM #13
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17th April 2015, 06:39 PM #14Senior Member
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Hi, I have an old patternmakers lathe, to me it looks like a converted metalworking lathe but with a wider saddle with T slots
and a 3" taller spindle. I have turned alloy and small dia steel on it.
The biggest problem I think is lubricating the ways, especially when going from alloy to wood.
Wood dust is attracted to the oil and gums up very quickly. I use a nut oil that an old timer gave me and it is excellent
but I'm almost out of it now. I think there is something called silver slide? that can be used.
I use the "Eccentric Engineering" tool holder with round cobalt tooling and the wood just flys off.
I cut a half dozen 100mm dia (100mm long) cylinders out of 60 year old ironbark. The worse thing is it turned everything into a red dust powder.
And it was surprising, (for me) how often I had to sharpen the tooling. But I've also use standard HSS tooling in common tool holders.
Also turned the lathe into lever action and in the process of making the carriage, crossslide and compound independently lockable.
This and the lever action makes a massive time difference. Although a conventional metal working lathe would at least have a motorised carriage, mine doesn't.
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18th April 2015, 12:37 AM #15
Thanks for you remarks GSRocket they come at a time when I was running this very thing thru me head today 'Oil and saw dust don't mix so what ya gunna do'. I was thinking along the lines of maybe a bees wax or something similar but as its gunna be a little ways off before I get my restoration finished maybe some others might have an answer for us. The oil you have nearly run out of wasn't 'Macadamia Nut Oil' was it?, is plentiful here in Qld ya never know?.
There is certainly a lot I'm tryin' to learn while I do me restoration, turning a metal lathe into one for wood use is bringing up a number of problems that have to be well and truly thought out. Imagine the problems one would have trying to turn a wood lathe into a metal turning lathe but lets not go there, because no doubt someone will pop up here and tell us how they did it.
Again thanks GSRocket for your help like all others is greatly appreciated.
Hooroo
KJL1951 aka Kev.
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