Retrofitting a 1986 Maho MH400E

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16 Jan 2020 00:34 #154985 by andypugh

RotarySMP wrote: but it had the DIN 2080 pull stud and not replaceable.


Are you sure? That would be unusual.

But, even then, what is to stop you cutting it off and tapping for a normal pull-stud?

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16 Jan 2020 07:27 - 16 Jan 2020 07:30 #154997 by RotarySMP

andypugh wrote:

RotarySMP wrote: but it had the DIN 2080 pull stud and not replaceable.


Are you sure? That would be unusual.

But, even then, what is to stop you cutting it off and tapping for a normal pull-stud?


Not positive, I queried the seller, bu he never confirmed whether it was fixed or threaded. According to the broshure it was probably removable. Actually he never responded. Oh well, missed oppertunity.

EDIT--> Taking a second look at the broshure, I see that the MAHO 4:1 speeder does not let you run full speed (4000PRM:16K). Only going to 8000 RPM doesn't seem worth the effort. Sooner of later I'll probably get a chinese HF spindle and VFD.
Mark
Last edit: 16 Jan 2020 07:30 by RotarySMP.

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16 Jan 2020 07:41 #154998 by RotarySMP

JANNOVV wrote: All real, used in the workshop .
J.N.

I have more brochures, larger than 1.6mb, where should I upload?


Oh that would be cool.
Could you upload them to a dropbox?
Mark

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16 Jan 2020 14:47 #155025 by RotarySMP
If anyone is looking to do some horizontal milling on their MAHO 400, there is an overarm on Ebay.kleinanzeige (german craiglist). It looks as unused as mine!

www.ebay-kleinanzeigen.de/s-anzeige/gege...-/1238067708-84-5784

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16 Jan 2020 16:39 #155027 by JANNOVV
I don't have a dropbox .

J.N.

fastshare.cz/12903070/maho.tar.gz
Attachments:
The following user(s) said Thank You: drimaropoylos, J Green

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17 Jan 2020 09:44 #155052 by hanmon
Hi,

does anyone know the standard ball diameter of the ballscrew in X ?
In case the previous owner already did some flub,
I can tell by the diameter.
Last time I ordered some hardened steel balls here:
www.kugel-winnie.de

@JANNOVV: thx

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17 Jan 2020 09:49 #155053 by Glemigobles
Some great pieces of kit there, thanks for posting Jannovv!

It reminds me of just how little stuff I have for my machine, though it's hard to justify the cost of getting accessories without having a concrete plan of action for them.

I still have a 1:6 spindle speeder that needs a toolholder...

On another note, if any of you guys thought about doing a control panel that's not touch-based, here's some inspiration for making your own keyboards with CNC equipment:



The cost of that little thing is ridiculous, but for the hobby machinist, or just someone who wants to have a dashing panel on their CNC mill or lathe, it would be a great project to make the keycaps and a case in the shop. I was surprised they even explained the workholding, you could make those caps on a Maho easily.

Of course, you could just as easily use the workholding method to make keys in different shapes and sizes, which might be more practical for a control panel.

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17 Jan 2020 19:18 - 17 Jan 2020 19:20 #155072 by J Green
Hanmon --

For a possible information source try Singer - W-3.singer-werkzeugmaschinen.de
While they specialize in Deckel , I think they also provide MAHO parts an service.
Have read that a trip to Singer is very worthwhile in just the information overload offered during discussions. Way more than E-mail or phone.
I looked for who supplied the ball screws for 600E but did not see anything in the parts list.
Am very interested in what you find and if you contact Singer am interested in how that went.
Also the usual ---- overwhelm us with Photos :)
Bob
Last edit: 17 Jan 2020 19:20 by J Green.

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19 Jan 2020 14:41 #155151 by hanmon
Hi,

FYI:
I posted some new pics yesterday:
www.cncecke.de/forum/showthread.php?1026...%FCr-Maho-400E/page2

I will replace the 3.500 mm balls with either the 3.506mm or 3.510mm I ordered.
As the machine seems to be mechanically still perfect, despite the cracked ball,
I suspect an electrical Problem that has caused the 0.3mm play in X.
I will clean the glass-scale next.

Cheers

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