thomas4age
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| posted on 16/1/08 at 11:35 AM |
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Bought a lathe!
Hee all
I've bought a slightly used lathe of the HBM make (dutch) will post piccie tommorow if the camera don't let me down again.
thing is I've never worked on one of these before, (well not by myself anyway)
Are there any online tutorials on the basics of metal turning and spinning?
Grtz Thomas
If Lucas made guns, Wars wouldn't start either.
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BenB
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| posted on 16/1/08 at 11:37 AM |
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They're not free but these are popular
http://www.chronos.ltd.uk/acatalog/Chronos_Catalogue_Workshop_Practice_Series_185.html
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r1_pete
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| posted on 16/1/08 at 11:41 AM |
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There is a small book 'The Amateurs Lathe' only about a tenner but a very worthwhile read. Most examples are around model making, but the
techniques etc. are applicable to any turning activities.
http://cgi.ebay.co.uk/THE-AMATEURS-LATHE-BOOK-MYFORD-BOXFORD-COLCHESTER-LATHE_W0QQitemZ160197219060QQihZ006QQcategoryZ11437QQssPageNameZWDVWQQrdZ1QQcm
dZViewItem
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UncleFista
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| posted on 16/1/08 at 12:28 PM |
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This any help ?
Tony Bond / UncleFista
Love is like a snowmobile, speeding across the frozen tundra.
Which suddenly flips, pinning you underneath.
At night the ice-weasels come...
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owelly
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| posted on 16/1/08 at 10:38 PM |
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I've bought a lathe too!!!!
Mine may be a bit big. It has a 48" bed (working length) and is a gap bed with a 20" swing. Perhaps I'll sell it and get a smaller
one....!!!??
http://www.ppcmag.co.uk
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omega 24 v6
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| posted on 16/1/08 at 10:41 PM |
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Just be carefull and sensible with it, they can bite you BIG TIME.
If it looks wrong it probably is wrong.
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charlierevell
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| posted on 16/1/08 at 11:07 PM |
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Dont leave the key in the jaw chuck.... when it leaves it hurts!
Many people learnt that one at uni!
Tango orange is an 'IN' colour!!
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blueshift
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| posted on 17/1/08 at 06:26 PM |
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I got The Amateur's Lathe, highly reccomend it. I just started turning recently.
Fortunately for me I had a pro on hand to advise me.. "should it be making that sound" etc.
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thomas4age
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| posted on 18/1/08 at 05:45 PM |
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Thanx for all the advise!
the website is very usefull, also I asked around if there's someone who can give me an evening of learning to do some parts, I can do outside and
facing pretty well after an evening trying, but things like turning thread and inside boring with a boringbar etc etc..... no idea what to do.
Anyway it's far more complete than I thought, the guy I bought it off had all sorts of stuff with it 3jaw 4jaw range of gears, boring head for
the tailstock with HSS center drill, spinning center etc etc etc. There's also some sort of key with it which I do not know the function of, see
piccie..... somebody in the know?
I can't leave th key in the chuck because when it is I can't start the thing, also there's a sliding collor on the key that makes it
drop out of the hole as soon as you take your hands of it, very clever for someone like me.....
Now I did something very brave yesterday. I took a cabinet out of our guest bedroom and rebuild it with big frame to put the lathe on, the cabinet
belongs to SWMBO, and she didn't notice last night when I showed her my new toy..... that is just a matter of time she will find out, so if i go
missing...... well you get the idea.
anyway here it is (thought the engine hoist would come in handy one day for something not engine...)
 
HBM 250/40 Lathe
the unknown tool, it's quite small. but what is it?
 
unknown lathe tool
Grtz Thomas
[Edited on 18/1/08 by thomas4age]
If Lucas made guns, Wars wouldn't start either.
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NS Dev
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| posted on 18/1/08 at 05:51 PM |
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its a c spanner, often used to hold the lathe spindle still while fitting the chuck.
might not be on that one but is often the case
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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thomas4age
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| posted on 18/1/08 at 05:57 PM |
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I sorta figured that, but I can't find a place to put it, it's smallish for that application.
grtz Thomas
If Lucas made guns, Wars wouldn't start either.
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NS Dev
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| posted on 18/1/08 at 06:30 PM |
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mmm, odd one then. Thought you might say that! No idea then.......
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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David Jenkins
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| posted on 18/1/08 at 07:09 PM |
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On my Colchester Student lathe I have a HUGE one of those to undo the collar behind the chuck. I have to put the lathe in its lowest gear, then bump
the collar undo in the opposite direction to normal rotation. Once this has been undone the chuck is just sitting on the tapered nose of the mandrel,
ready to remove (in other words, ready to fall off and crush my fingers).
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liam.mccaffrey
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| posted on 18/1/08 at 07:40 PM |
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do you have a collet chuck? thats what i use one for
Build Blog
Build Photo Album
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thomas4age
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| posted on 18/1/08 at 07:42 PM |
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maybe just maybe, it's a tool that doesn't belong to this machine, but hard to think that cause the HBM make is cast into the tool, and
the guy I bought it off didn;t have any other machinery standing around...
@liam, is this a collet chuck? I have a boring head but it's the self tightning type, will check if the spanner fit's that
anyway unless do a job that needs this thing I'll probably be OK,
I will get some alloy bar stock tommorow and try to turn a spacer to get the alternator lined up with the pulleys on the twin supercharged v8. that
will be my firts purpose made "turnsel"
can wait to c**k up the first meter of bar..... 
grtz Thomas
[Edited on 18/1/08 by thomas4age]
[Edited on 18/1/08 by thomas4age]
If Lucas made guns, Wars wouldn't start either.
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David Jenkins
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| posted on 18/1/08 at 07:59 PM |
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Here's my C-spanner - I put it against the wheel to get a sense of scale!
Nice lathe BTW - perfect for a beginner, while being big enough to do useful stuff.
 
Rescued attachment 00001.jpg
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thomas4age
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| posted on 18/1/08 at 08:12 PM |
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Nah the spanner in my picture is about 15cm long,
I'm getting thought that it is indeed for tightning of the boring head, but I haven't used that yet, so am not 100% sure.
the tailstock has an MT2 cone btw, How can I get the live center, that is in right now, out? to fit the boring head.
Grtz Thomas
[Edited on 18/1/08 by thomas4age]
If Lucas made guns, Wars wouldn't start either.
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David Jenkins
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| posted on 18/1/08 at 08:19 PM |
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Get a piece of metal rod a bit smaller than the hole down the centre of the tailstock. Use this down the right-hand end of the tailstock to tap the
back of the centre's taper - start gently and increase the amount of tap until it comes loose (this is the normal way on small lathes.)
The bigger lathes eject them automatically if you wind back the mandrel fully - but I doubt if yours will have that feature.
[Edited on 18/1/08 by David Jenkins]
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thomas4age
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| posted on 18/1/08 at 08:23 PM |
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Ah let's try that.
off having a few beers for now, which doesn't strike me a as a good combination, learning to run a lathe and drinking beer...
grtz Thomas
If Lucas made guns, Wars wouldn't start either.
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David Jenkins
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| posted on 18/1/08 at 08:27 PM |
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Certainly not!
Lathes can bite hard if you're not paying attention... 
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thomas4age
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| posted on 19/1/08 at 09:45 PM |
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Found it,
It's a spanner to get the locknuts from the main axle loose in the back of the gearhousing , that's why it seems to have never been
used.
@David: the tail stock does releases itself automaticly when the MT2 spindle/mandrel is fully turned back.
that raises a question, when to use which center, ie Live of fixed? and do I always need to centerdrill the workpiece when using the tailstock
center?
anyway tried some shopping today but need to wait till monday when some better toolshops are open.
did however get the powerfeed up and running slow enough to make very nice repeatable cuts, 0.5mm deep.
I assume that when there's a steady serpentine shape string of alloy coming from the tool-bit and the sound is only hissing, I'm doing
good. from the book I understand that I can engage powerfeed without stopping the lathe, and it seems to be working like that, but read that
it's not wise to do.... so what's-it then?
grtz Thomas
[Edited on 19/1/08 by thomas4age]
[Edited on 19/1/08 by thomas4age]
If Lucas made guns, Wars wouldn't start either.
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David Jenkins
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| posted on 20/1/08 at 08:34 PM |
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quote:
Originally posted by thomas4age
that raises a question, when to use which center, ie Live of fixed? and do I always need to centerdrill the workpiece when using the tailstock
center?
Terminology problem there I think!
A live centre is one that is fitted to the headstock instead of the chuck - it's turning, so it's live. A fixed centre goes in the
tailstock, it's not turning. There are rotating centres that are used in the tailstock, and they are the best for most work as you don't
need to lubricate the end of the work, as you do with a fixed centre. Their only down-side is that they're quite fat and can stop you getting
the tool close into the work - if that happens you may find the fixed centre smaller, or even a cut-away one to get right in.
You will need to centre-drill the end if you're using a centre.
Working between centres is a bit odd as there's no chuck - you use a drive plate instead of the chuck, together with a 'dog'
that's fastened to the workpiece and which is driven by a peg on the drive plate. The big advantage is that it can be very accurate, and the
work can be taken off the lathe and replaced without losing accuracy (which can't be said about chucks).
quote:
From the book I understand that I can engage powerfeed without stopping the lathe, and it seems to be working like that, but read that it's not
wise to do.... so what's-it then?
You can engage and disengage the power feed while it's running (this is normal) but you shouldn't
adjust the feed rate unless the lathe is stopped.
HTH
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Gav
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| posted on 20/1/08 at 09:03 PM |
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Thats exactly the same model i have, except its imported by Chester here in the UK, its been brilliant for doing all he jobs ive needed to while
making the car, the only problem i would warn you about is that if you fully wind out the tailstock the key in the inside will drop out, it took me
ages to realise why it wouldnt go back in, had to strip the it down and hold it in from the other end while i pushed it back in from the other end.
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NS Dev
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| posted on 20/1/08 at 09:32 PM |
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quote:
Originally posted by David Jenkins
Here's my C-spanner - I put it against the wheel to get a sense of scale!
Nice lathe BTW - perfect for a beginner, while being big enough to do useful stuff.
I don't have one of those for my Master! I use a thunking great drift and a hammer!!
Retro RWD is the way forward...........automotive fabrication, car restoration, sheetmetal work, engine conversion
retro car restoration and tuning
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