DIY Lathe
My
Cheap Woodworking Lathe
(c)2007Paul Pinfield
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Dangerous stuff
Alert
live electricity, fast
moving parts, sharp edges [shudders]. Do Not undertake this project unless you
are absolutely sure you have the skills to complete it
safely.
Disclaimer: No liability is accepted by
Junkdojo or the article author for any damage or injury howsoever caused in the
use of this information.
I made this
woodworking lathe quite a few years ago, originally to turn Serpentine stone
into cupboard handles, but I have also turned loads of stair spindles, chair and
table legs and, recently, tippers, or beaters, for playing the bodhran drum. I
actually hadn't used it for years until I started playing the bodhran and wanted
to make some tippers. And I wasn't sure it would still work after being left in
a damp shed for years but it kicked off first touch and seems to work as good as
new. Well, as good as new for 100% recycled stuff!
The lathe
doesn't look much but it is pretty solid and has given very good service. The
motor came from an old washing machine that had died. I guess some motors are
better than others and this one has a few decent lubrication holes that I poke a
bit of oil down from time to time. Some don't have the holes but maybe they
don't need them. This one spins at 1250 RPM which seems fine for tippers and
other small stuff. You wouldn't want to try and turn a 12in bowl on it though as
the speed at the outer edge would be scary, (and dangerous). The lathe will only
hold wood up to about 75mm (3in) radius anyway, so forget bowl turning.
Everything used was
found or was recycled from the local scrap dealer so the cost was minimal. About
£8, ($16 US-ish). Anyway it was fun to make and has done plenty of work. I'm
sure you could improve on it, as I probably could now, but maybe there are some
ideas here.
Tools.
- A drill and
bits
- Hack saw
- File (s)
- Spanner (2)
- Angle grinder, (or
files and time!)
- Welder
- Normal stuff
really, apart from the welder. (You could always borrow/hire one but get a
little help if you are in ANY doubt. It's hot and bright!).
My Cheap Woodworking Lathe/..continued
(c)2007Paul Pinfield
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To hold the wood at the
headstock (motor end) I just welded a nut that would fit onto the spindle of the
motor [right] to a little metal plate [below]. You can get them or something similar from any hardware
store, or probably around the house somewhere. Or you could just cut off a bit
of flat steel bar and drill some holes in it. Check the way the motor turns and
that the thread will tend to tighten as the lathe spins rather than undo, for
obvious reasons. I guess there's no reason why you can't put the motor at the
right hand side of the work if your motor turns clockwise. The cheapest and
simplest way to do this is to walk around the table!! Whatever way you put it,
the top of the work MUST be spinning towards you when you start
turning.
Since this is really just about making a cheap lathe I won't go
into how to turn wood or stone. Suffice to say DON'T try turning at all without
a bit of research. Clearly it spins fast and things go wrong fast if you mess
up, so Beware and take Care.
Dangerous stuff
Alert
live electricity, fast moving parts, sharp edges [shudders]. Do
Not undertake this project unless you are absolutely sure you have the skills to
complete it safely.
Disclaimer: No
liability is accepted by Junkdojo or the article author for any damage or injury
howsoever caused in the use of this information.
DIY Lathe /...continued
I made this one so
you could clamp or screw it to a bench, table (sturdy), or any old Chippendale
sideboard you happen have lying around. The steel came from the local scrap
dealer. It’s 50mmx50mm (2x2in) square section steel tube. Usually it's available
in two wall thicknesses and I would go for the thicker one if you can. The more
solid and stable a lathe is the better the results are and the safer it is to
use.
The bits are dead
easy to weld with even cheap gear. So a DIY arc welder and 10-15 electrodes will
be enough. If you never done any welding, at this level, it's dead easy. But get
guidance and DON'T look at the brighty lighty or you will go slightly
blindy!
Just cut up the
bits and weld up the frame. The length of the lathe can be as you desire but the
longer it is the less stable it is, especially if you are turning long thin
stuff. You'll have to fix up some mountings for the motor, to suit >. I
welded a bit of 2x2 angle iron accross the frame and drilled a couple of holes
in it to take the mounts. Again, it's worth selecting the motor carefully. If
you have, or can get, one that has the spindle right through, some lube holes, a
motor that can easily be rewired to change direction of spin if you need to, and has convenient mounting points, it will be all the
easier.
The "other" end is
the tailstock. Again just a bit of 2x2, a couple of nuts and bolts (one filed to
a point) and a bit of welding. The bolt that holds the work is filed sharpish
and has a locking nut at the back of the mount. You need to weld a nut to the
inside, motor end, face so you can adjust the pressure from the tailstock. I
tapped one of the holes in the 2x2 on mine so you can’t see an inside nut in the
picture. You need more kit for this so do it the easy way with nuts at either
end.
The mount has a nut
welded to the underside and a spacer plate welded on to hold the tailstock
firmly in the slot of the frame. There's also a spacer at the bottom end but
it's not really necessary as all it does is hold the bottom, loose plate at
right angles while you move the tailstock up or down the frame. The bolt goes
through the base plate and spacer clearance holes and screws into the nut in the
bottom of the tailstock.
Part 1... Part
3
Dangerous stuff Alert
live electricity, fast moving parts, sharp edges [shudders]. Do
Not undertake this project unless you are absolutely sure you have the skills to
complete it safely.
Disclaimer: No
liability is accepted by Junkdojo or the article author for any damage or injury
howsoever caused in the use of this information.
Bonus Sharpening
Function
DIY Lathe /...continued
The chisel rest is
made from a bit of flat steel with a bit of 1/2 in steel rod welded to it, filed
to an angle at the top. This sits snug into a short length of steel tube welded
to the mount, plus a bit of strengthening to both the mount and around the nut.
The tube has a clearance hole through it and a nut welded over the hole. A bit
of matching bolt is screwed through to do the tightening with a cut-off big nail
through that, to turn it.>
The mount is fixed
to the frame using the same approach as the tailstock. I was going to say
"technique" but that's kind of overstating it really!
The bolt has a "T"
hat welded to it and it goes through a slot in the base plate so you can move
the rest in and out. The assembly will also revolve so you can use it at an
angle or spin it all to the back to get it out of the way when you are sanding,
later. The rest itself can go up and down and turns in its tube so you can get
it just about anywhere.
I welded together a
couple of odd bits of steel to make up a rough chisel sharpening rest for the
stone, and welded it on. You can't move it at all but I haven't needed to
yet!
Just to add to the
overall aesthetic appeal I stuck a regular (UK) light switch to the top of the
motor with hot melt glue. I thought it's probably not best practice, (the glue),
but it has not come off yet and is very close to your hand if you need to turn
off quick!
Part 1... Part
2
Dangerous stuff Alert
live electricity, fast moving parts, sharp edges [shudders]. Do
Not undertake this project unless you are absolutely sure you have the skills to
complete it safely.
Disclaimer: No
liability is accepted by Junkdojo or the article author for any damage or injury
howsoever caused in the use of this information.
DIY Tool Rest
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