Gallery, Projects and General > Project Logs
Twin Cylinder Steam Engine
bogstandard:
Darren,
How did the little lathe cope? Any better than before?
Bernd,
What is life without a bit of humour now and then. Especially when you can slip it in without being noticed.
Bogs
Darren:
Hi John, still not done much with it, these parts are very short... :ddb: :ddb: :ddb:
But, I have to say it feels very smooth, even the crosslide which I know you didn't do much with. I will be making more use of it as this project goes on and will report back.
It is showing me how worn my crosslide screw is on the bigger lathe. I must finish that project sometime.
As these parts are 30mm dia SS I did do most of the work on the bigger lathe. Mainly because parting was going to be a pig, and it was. I don't think the little lathe would have coped.
But I did face and true the thickness of the discs on the mini, Could have done it on the larger lathe with collets and stops, but I didn't. For this the little un coped just fine.
Oh, btw the carrage lock was real handy, that worked a treat :thumbup:
I have found a nice piece of slate to bolt it down to as well. That should help.... :ddb: :ddb: :ddb:
Darren:
Bogs, I bin readin your book and you linked this place
http://www.jjjtrain.com/vms/library.html
Now that will keep me out of trouble for days, :lol: I'm trying to read your build but now I'm distracted.... :coffee:
Darren:
Bogs, quick Q..
When you use metric threads in small sizes do you use coarse or fine pitches?
bogstandard:
Darren,
If you read the posts on here you will find I have already made it known
http://madmodder.net/index.php?topic=535.0
plus another one, very recently
http://madmodder.net/index.php?topic=944.0
You will find that 99.999% of metric threads used are the coarse variety. Metric fine are few and far between. In fact I only own one metric fine tap, 4.5mm, and that is for cutting threads in the bottom of Ronson cigarette lighters for fitting the filling valve.
Bogs
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