My new (old) milling machine (56k die)

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LaCroix
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My new (old) milling machine (56k die)

Post by LaCroix » 2019-07-11 10:52am

Rákosi Müvek M1
(Also known as Csepel or Kart)

Beefy little thing 800kg (1800lbs)

800x180 mm table, 480/180/480 XYZ motion, 6 speed power feed on X
12 speeds, 90-1800rpm
1.5 hp, Morse 3 spindle

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In surprisingly good shape, I've put a indicator to it while testing, and there is virtually no wobble on anything - the old owner (bought it back then from factory) kept it in really good shape. I'm pretty sure he did rebuild it at one point or another - because duh - 60+ year old machine - but expertly.

Pretty good haul - two boxes of tools, collets, whatnot, 3 vises, 2 dividing heads, a ton of horizontal arbors, as well. Paid less than a thousand dollars for it.

I was originally eyeing a Bridgeport, but being aware of my clinical pattern :mrgreen: , I could convince mayself that I did not really need a 1.5 ton machine that could mill 800mm pieces in one go, and it was more important that it would fit into the house (after finishing it). So no, this is not the final resting place, I hope to have it moved inside the actual house before winter.

I'll be posting some more pictures of me cleaning it up, draining/replacing all the fluids, and fixing the little things that need some love.
The dangly cable contraption in front, for example, is supposed some kind of a dual switch panel that can be attached to the spindle lever for auto-reverse, for tapping.
Will have to test that out once I got it wired up - I had to buy a 380V plug for it, because it still had the original bakelite factory plug.
A minute's thought suggests that the very idea of this is stupid. A more detailed examination raises the possibility that it might be an answer to the question "how could the Germans win the war after the US gets involved?" - Captain Seafort, in a thread proposing a 1942 'D-Day' in Quiberon Bay

I do archery skeet. With a Trebuchet.

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Re: My new (old) milling machine (56k die)

Post by Jaepheth » 2019-07-11 08:51pm

Nice find; I'm very jealous.

What do you plan on making?
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Re: My new (old) milling machine (56k die)

Post by Rogue 9 » 2019-07-11 11:08pm

Is anyone actually still on 56k?

And very nice. :)
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LaCroix
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Re: My new (old) milling machine (56k die)

Post by LaCroix » 2019-07-12 05:15am

What are my plans? Of course, more knives and swords!

It's a really sturdy mill, and will do fine doing the rough shaping of my forged parts before all the tedious hand shaping starts.

I also plan to use it to build my power hammers and belt sander projects, and the mass production once I start rolling them out to customers :D.
A minute's thought suggests that the very idea of this is stupid. A more detailed examination raises the possibility that it might be an answer to the question "how could the Germans win the war after the US gets involved?" - Captain Seafort, in a thread proposing a 1942 'D-Day' in Quiberon Bay

I do archery skeet. With a Trebuchet.

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Re: My new (old) milling machine (56k die)

Post by InsaneTD » 2019-07-12 06:04am

I'd love to have a machine like that. Got no where to put it though. Look forward to seeing it worked on/with.
Rogue 9 wrote:
2019-07-11 11:08pm
Is anyone actually still on 56k?

And very nice. :)
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LaCroix
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Re: My new (old) milling machine (56k die)

Post by LaCroix » 2019-07-16 10:01am

InsaneTD wrote:
2019-07-12 06:04am
I'd love to have a machine like that. Got no where to put it though. Look forward to seeing it worked on/with.
Thanks. That's why I went for it - the size (800kg) is getting quite rare - most machines that size are new chinamills, and they are waaaay less sturdy than this beast, and cost easily 5 times as much. it only needs 1.6 x1 m ( 5'5" x 3'4") of floor space, too.

General de-greasing and de-disgusting of the machine continues. Checked everything, and it still has grease in all to be greased parts, and oil in all to be oiled parts. Not much, but the gears are still touching the oil level, so there is still 'some' splash oiling going on. Need to track down the oil needed. And maybe look up how to clean out the witness window for level.

The coolant sump in the base (you can see the cover next to the knee screw and the pump on the 3rd pic) is full of some brownish liquid. The pump is running (at least making runny noises), but there is no flow... Either a clogged line, or something with the pump. Needs to be drained and cleaned, anyway. Maybe install a pre-filter at the table drain hole, for easier cleaning later on.

Delighted that this beauty of an antique plug (480V - there are just 3 phase connectors, nothing else) still is fine and in nice condition... But not on my watch...
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Next - The drawbar is simply a 'tie rod' - a bar with threads at both ends. I doubt this is the original.
The top of the quill has some threading too, and a hole far too big for a simple drawbar.
Seems there was either one, or a series of caps and drawbars for different sizes of MK3 tooling. (I already encountered two lengths in the set of tools I've dug through, already...)

Sooo... Project new plug is off the short list,
Project drawbar(s) and cap(s) jumps up to the top of it.

And somebody already asked me to make him an adapter for his telescope.

The short list is starting to grow quite long... :D
A minute's thought suggests that the very idea of this is stupid. A more detailed examination raises the possibility that it might be an answer to the question "how could the Germans win the war after the US gets involved?" - Captain Seafort, in a thread proposing a 1942 'D-Day' in Quiberon Bay

I do archery skeet. With a Trebuchet.

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LaCroix
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Re: My new (old) milling machine (56k die)

Post by LaCroix » 2019-07-21 02:50pm

COMMENCE PRIMARY SCRUBBING!

After a good scrubbing with acetone (small paintprush to really get into the nooks and crannies), and wiping the liquefied grime off with a paper towel before it re-solidifies, the original paint is emerging.
Seems it was light green under that brownish-green stuff. See bottom right for still uncleaned surface for color reference.
It's actually the original color, the single layer underneath it is some beige primer stuff, probably some automotive body filler.

Was able to clean up the speed selection plaque, a brief swipe of sanding immediately shone up the number, telling me it was etched not just painted. The brownish stuff covering it was most likely 70 year old clear coat...
As soon as everything is cleaned up and filled and repainted, I'll use a tiny brush to cold-blue the plaque background sections, and then shine the letters up once more and apply a new layer of clear-coat.

The first column is the horizonal arbor speeds, the second the vertical, and the last two the lever combinations.

The plaque for the table feed selection is missing, I cleaned the space (bottom right) up to make sure it was not just painted over. I do have a pattern of what it looked like, so I will etch a new one, later...
Image
A minute's thought suggests that the very idea of this is stupid. A more detailed examination raises the possibility that it might be an answer to the question "how could the Germans win the war after the US gets involved?" - Captain Seafort, in a thread proposing a 1942 'D-Day' in Quiberon Bay

I do archery skeet. With a Trebuchet.

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