Gildemeister NEF 480 Retrofit

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11 Jul 2021 20:02 - 12 Jul 2021 08:50 #214315 by anfänger
Thanks spindle and gears are working now



Now it’s time to tune everything and take the first cut.
Last edit: 12 Jul 2021 08:50 by anfänger.

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14 Jul 2021 08:18 - 14 Jul 2021 08:21 #214688 by anfänger
Added some new features for the gearchange yesterday, but the rain kept me from testing it.
Now I have buttons for each gear / spindle speed range.
When presse a custom MCode is executed, which stops the spindle and brings up a dialogue with the leaver positions.
Then sets the right clutch und spindle speed.

I think this will come in useful.

But what should be a quick session took me a lot longer than planned as always with me when I try to code I don‘t do it regularly and forget quite quick. :D

What is still missing is too write spindle speed and gear to a persistent parameter and reload it when powered on again.
Is there a best practice which parameters to use?

Next is to find a way to implement this in the post processor

OK and testing I hope I find the time for testing this evening

Thanks for reading

Patrick
Last edit: 14 Jul 2021 08:21 by anfänger.

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14 Jul 2021 20:25 #214774 by anfänger


made sone progress on the gearbox change today.

Three problem I've got.

First the the spindle sounds like it needs new bearings,

second the parameter #<_spindle_on> os 0 even when the spindle is running, so the spindle doesn't restart after gear change

third the MCode to load the stored gear (M245) doesn't work when I put it in the startup codes. then linuxcnc errors our with M144 unknown.
M144 is a bash script and nit mapped in the INI.
When I run it in MDI later it works fine M144 is the script which brings the popup window wit the gear settings.

Thaks Patrick

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16 Jul 2021 06:31 #214992 by anfänger
Fixed the spindle start by reading the hal pins. Now it works, But I didn’t make a video.
What I did film was the successful homing:



Then I removed Chuck and the mechanical clamping device.

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I will clean the spindle and then start to prepare for mounting a normal chuck.

The Schunk Cuck and the clamping thing will get a a cleaning and the n will be stored till I have a need for it.
The following user(s) said Thank You: tommylight

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16 Jul 2021 12:00 #215026 by tommylight
I wonder if that chuck would fit my Mazak Micro Slant 15 ???
:)

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16 Jul 2021 12:08 - 16 Jul 2021 12:24 #215028 by anfänger
What kind of Spindle Node do you have? And where her you from?
But I am not sure If I will sell it.
Now that I know how to mount it and if I make some tools mounting and dismounting won’t take that long.
It is a nice three jaw chuck and I have a lot of jaws for it. 
But I font think I will ever need the automatic clamping it was fun to get it running and it nice for a Job shop but for me it is more or less useless, cause I don’t think I will make more thank three same parts in a row.
But I would would be really tempted trade it for a 250mm there jaw chuck with two piece jaws cable of 2250 rpm
 
Last edit: 16 Jul 2021 12:24 by anfänger.

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16 Jul 2021 12:23 #215034 by tommylight
No idea on the spindle node.
I am in Kosovo.
No worries, i will keep searching for it, in the mean time i might also use a normal chuck, when i get to retrofit it, the Mesa boards i have for it age getting a bit moldy waiting ... :)

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16 Jul 2021 12:28 #215037 by anfänger
It’s not really near by, good look on the search.
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17 Jul 2021 20:41 #215170 by anfänger
put the tool mount back on the lathe:

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then I took the first cut on the machine:

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used the hand wheels to tale the first gut of the face plate

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After adjusting the spindle speed the surface finish got better. And I should close the cable ways and make me son wipers.
so here it is ready for drilling the faceplate for the new chuck

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looks a lit lost, bu should be enough for most of what's coming next time

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The following user(s) said Thank You: RotarySMP, tommylight

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18 Jul 2021 07:18 #215208 by RotarySMP
It is a cool feeling to make a part on the machine for the first time. You are way ahead of me :)
Mark.

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