Llwyndrissi Halt.

Post pictures and information about your own personal model railway layout that is under construction. Keep members up-to-date with what you are doing and discuss problems that you are having.
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TimberSurf
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Re: Llwyndrissi Halt.

Postby TimberSurf » Tue Jan 15, 2019 12:33 pm

A lathe methinks :P
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PinkNosedPenguin
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Re: Llwyndrissi Halt.

Postby PinkNosedPenguin » Tue Jan 15, 2019 6:57 pm

Mountain wrote:I've recently acquired some better equipment for making bits and pieces

Are you being as vague as possible on purpose to keep us all in suspense? :lol:

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Mountain
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Re: Llwyndrissi Halt.

Postby Mountain » Tue Jan 15, 2019 6:58 pm

Timbersurf has it. I've not tried it yet. It is a better version of what I already had which gives me the option to mix and match. Ive not tried it as yet, but from looking at it, the quality is impressive with smooth and silky slides and heavy metal components. I picked up the tailstock and it feels twice the weight as I thought it was. The headstock bearings are silky smooth. So fair play. My first impressions are positive. I will have a fiddle with it soon... :lol: I have taken a photo, but it is on the other tablet. Will swop tablets in a bit so I can show a pic.
Amended. Here it is. Though it looks similar to the Unimat 1 Classic, it is a much more precise tool. It even has an adjustment to tighten up the slides if they are a little loose as far as I can see. Not that it needs it. Everything is metal and fits together nicely.
II will assemble it soon.
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Mountain
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Re: Llwyndrissi Halt.

Postby Mountain » Wed Jan 16, 2019 1:05 pm

I was assembling it in the early hours of this morning. It is a heavy thing for its size when it has been assembled. Everything goes together solidly and it feels a heavy rigid machine. Unimat 1 classic I also have does not feel quite as solid. It is also about half the weight as this metal version. This version should be ok on the tougher stuff by the feel of it. I think I will try it on the metalic discs that I put on the mandrill. I should have drilled smaller holes in the discs as the mandrill bolt part is twice as thin as the holes. See how things go.
This metalline set comes with the same high speed motor (20,000 rpm 2A) as the Unimat 1, not that it is an issue so far. There is a larger lower revving but more powerful upgrade called the powerline. There is also an option of a reduction kit to reduce the speed further if required. Other options are a divider thing and a gear cutting thing to go with it, a fly cutter, a circular saw and various other equipment and accessories, a long lathe bench also comes to mind. Of corse, CNC upgrades are an option but for me that spoils the fun!
So far as I can see, the main advantages of the metalline are that there seems to be no play in the slides (Which are adjustable if there is play on this version), everything is heavier and more solid, it all goes together as solid pieces. For example, the riser blocks are made from metal and dont move when tightened up. On the Unimat 1 they are plastic. Ok, they are solid enough but they dont feel the same as metal. The metal to metal clamps down as if they were not two pieces in the first place.
I still have not tested it, but from the impressions so far I am well pleased.

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joshv8
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Re: Llwyndrissi Halt.

Postby joshv8 » Wed Jan 16, 2019 8:42 pm

Ahh so some wheels will be on the horizon?

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luckymucklebackit
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Re: Llwyndrissi Halt.

Postby luckymucklebackit » Wed Jan 16, 2019 8:57 pm

One technique to avoid is setting up a job In the chuck and trying to finish it with emery paper, I did that as an apprentice and it resulted in my thumbnail being pulled clean out when the emery paper snagged on the job - painful :o

Jim
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My layout - Gateside and Northbridge
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Mountain
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Re: Llwyndrissi Halt.

Postby Mountain » Wed Jan 16, 2019 9:02 pm

In the past I have used a small file on wheels. It works. :lol:
Yes, having fun experimenting with wheels is one item on the agenda.

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Mountain
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Re: Llwyndrissi Halt.

Postby Mountain » Fri Jan 18, 2019 2:14 pm

I have had a quick test and bear in mind that having very little lathe experience other then a day or two on a massive lathe that was longer then our living room, and others set up the lathe tools for me, I will say that this Metalline lathe is a significant improvement on the Unimat 1. I have not turned that much so far on it. Only scratched the surface where I left off with the Unimat 1, and the tiny lathe tool included in the set... Well. I don't know how strong it is, but so far going very slowly on a pair of modern pennies (Which are no longer made from copper but have a magnetic material included in the mix) I have to say that things are looking up.
I don't know how the Unimat Metalline compares with a conventional micro lathe, as the Unimat 1 and Unimat Metalline would be under the micro lathe category rather then a mini lathe which would normally be twice the size (The lathe bed piece is 28cm long. Longer beams are an optional extra as are motor upgrades etc) it seems to do what I expect it to do. Go easy and gentle and it happily performs. I would expect a dedicated traditional micro lathe to have the upper edge here, but this is so universal that to the home modeller into model railways it should satisfy.
If one wants to turn steel then one would be better on a dedicated traditional lathe. I expect it would be possible on this but I would be happier with a beefier lathe tool and the lcoins which are turning from achuck may struggle to hold the work. They don't say it is suitable for harder metals but I didn't expect it to be.
A gentle approach certainly works with these coins. As I'm turning the colour is changing to a dull silver so it gives an indication that it is a steel and copper mix? I don't actually know. I can't really try to work it faster as I have already snapped a mandril trying to hole them tight enough.
In conclusion, those who are interested in the Unimat 1. If you can afford a little extra the Unimat metalline is a much improved machine.
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Mountain
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Re: Llwyndrissi Halt.

Postby Mountain » Sun Jan 20, 2019 4:22 am

While I have the Unimat set up as a lathe, I decided to get an old Triang plastic wheel out to see if it can be improved. These are the type of wheels that are found on the axles which don't have pinpoints. It is a curiosity thing just to see if I can make use of them. To keep things simple, I've used a flat wheel profile but tilted the lathe tool so that the flange is at a slight angle. (I know I often mention about wheel profile... Maybe I will set the Unimat 1as well so it can add a profile after the basic turning is complete.
I also thinned out the back and reduced the flange depth. What I didn't do was to take measurements but via the adjustable settings on the slide hand wheels, I do have a rough idea of where things should be. Actually, if I work it out this should be quite accurate if I turn other wheels to the same setting. Some wheels are quite miss shaped or warped so whatever I can do is surely going to be a bonus.
The plan is to glue them onto new axles as I have cut the old axle surround off the rear of the wheels.
All going well, no doubt they will find themselves on a waggon or two.
I don't have any photos as yet. As I write this it has just gone past four in the morning. :shock: I have had a sleep but woken up again, and now with ideas and thoughts of trains... :D OK. When I get a little time tomorrow... (Today!) or whenever, I will do a little more.
Turning the metal disc into a wheel certainly has possibilities, and it is not really the Metalline that I am concerned with (Though I could do with a stronger lathe tool just in case) but the mandrel. I have broken one in over tightening it, and I don't wat to break another. If I had a thin but long nut and bolt I can use instead, it would be stronger then the tiny shaft of the bolt the mandrel has. The mandrel is only designed for mounting lightweight cutting discs for use with the minidrill. I will see if I can come up with a nut and bolt. If I can't it is back to the mandrel. The mandrel is fine for use on the plastic wheels as plastic is softer so has less strain when being turned.

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PinkNosedPenguin
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Re: Llwyndrissi Halt.

Postby PinkNosedPenguin » Sun Jan 20, 2019 10:59 am

Sounds like you're having fun, if its keeping you awake (in a good way!) . . . :lol:

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Mountain
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Re: Llwyndrissi Halt.

Postby Mountain » Tue Jan 22, 2019 3:40 am

Haha. Yes.
I need to spend a little more time with the trains as I have neglected them a bit. I have quite a few projects to finish. Couplings comes to mind. Not a big job but is one that once I had a few working I seemed to leave them and move to the next project. Yet without couplings I am stuck!

Helping my brother make barn doors took some time recently. Neccessary work if we want to keep things dry inside as we get sea mists up here.

The one difficulty is to decide on progressing on the layout or progressing on the stock. Both can be fun. I may make progress on the layout first. Then once I get the trains to run, I then will concentrate on some of the trains and stock before the scenic work is done.

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Mountain
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Re: Llwyndrissi Halt.

Postby Mountain » Sun Feb 03, 2019 2:43 pm

Recently I was visiting my local store that has an area selling fish. I was checking out wheelbarrow prices, but when I saw these lovely things, how could I resist?
So my layout is going to be interesting. Trains passing through various plant growth.... I like it!
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PinkNosedPenguin
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Re: Llwyndrissi Halt.

Postby PinkNosedPenguin » Sun Feb 03, 2019 3:14 pm

Hmmm, judging by their (scale) size, are you planning a rainforest for your layout :lol:

I don't see any white stuff out your windows - unlike out of mine where its still several inches thick . . . ?

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glencairn
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Re: Llwyndrissi Halt.

Postby glencairn » Sun Feb 03, 2019 3:41 pm

PinkNosedPenguin wrote:Hmmm, judging by their (scale) size, are you planning a rainforest for your layout :lol:

I don't see any white stuff out your windows - unlike out of mine where its still several inches thick . . . ?


It's the 'sunny climate' in Wales. :lol:

Glencairn
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PinkNosedPenguin
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Re: Llwyndrissi Halt.

Postby PinkNosedPenguin » Sun Feb 03, 2019 3:44 pm

glencairn wrote:
PinkNosedPenguin wrote:Hmmm, judging by their (scale) size, are you planning a rainforest for your layout :lol:

I don't see any white stuff out your windows - unlike out of mine where its still several inches thick . . . ?


It's the 'sunny climate' in Wales. :lol:

Glencairn


Yeah, I remember during the long dry summer last year when our back garden was brown and there was barely a blade of grass around here that was still green - on a day trip to Swansea Uni I swear that the second we'd crossed the M4 bridge, suddenly the countryside was verdant green again :lol:! That's Wales for you . . . !


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