Author Topic: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.  (Read 30361 times)

Offline philf

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #50 on: March 20, 2022, 03:03:22 PM »
Hi,

I'm sure (not exactly sure but would expect) that there will be connections for a braking resistor on your VFD.

My lathe is a similar size to yours and I can stop a 160mm chuck from 2,400 rpm in less than a second.

I have 2 off 220 Ohm 50W chassis mount resistors wired in parallel and fastened to a smallish finned heatsink. (Equivalent to 110 Ohm at 100W I hope.)

Cheers.

Phil.

P.S. Loving your videos.
« Last Edit: March 20, 2022, 04:53:43 PM by philf »
Phil Fern
Location: Marple, Cheshire

Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #51 on: March 29, 2022, 09:15:08 AM »
Thanks Phil, the Lenze brak module for this VFD is 300W, but since there is a mechanical brake mounted on the motor shaft already, I would rather just let the vfd coast down, and mechanically brake the load. Havent worked out whole to set that yet.

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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #52 on: April 03, 2022, 06:00:30 AM »
I took a Uni course in machine tool design, and figured I'd try out what I learned on the Schaublin...

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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #53 on: May 01, 2022, 08:04:39 AM »
I didnt post last weeks video to this thread, as it was more of an unsuccessful casting vid than a Schaublin progress report. This week is better.

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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #54 on: May 08, 2022, 06:17:07 AM »
This week it is the X-Axis motor mount...
 


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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #55 on: May 15, 2022, 07:29:13 AM »
I have never had a power chuck before...
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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #56 on: June 05, 2022, 06:04:39 AM »
Bit of lathe work on the Boley required this week, but good progress...

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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #57 on: June 12, 2022, 07:03:35 AM »
Some more minor steps...
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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #58 on: July 17, 2022, 06:44:35 AM »
Oops, forgot to link in the last video...


It is looking more and more like a lathe...
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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #59 on: July 31, 2022, 10:41:35 AM »
Bit random this week :)
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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #60 on: August 09, 2022, 02:19:45 AM »
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Mark
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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #61 on: August 28, 2022, 07:30:50 AM »
A step backwards this week.
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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #62 on: October 16, 2022, 05:02:14 PM »
I made a nice step forward this time...

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Mark
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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #63 on: November 06, 2022, 06:10:06 AM »
I forgot to link last weeks video...


and this week I worked more on mechanical bits.
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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #64 on: November 20, 2022, 06:00:23 AM »
Our #1 Nico shot down my first plan for this part...
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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #65 on: April 02, 2023, 08:05:30 AM »
Oops, I forgot to link the last couple of episodes.






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Mark
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Offline philf

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #66 on: April 02, 2023, 03:04:44 PM »
I was wondering when we'd see some more episodes - thanks.

 :clap: :clap:
Phil Fern
Location: Marple, Cheshire

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #67 on: April 06, 2023, 01:41:18 PM »
Hi Phil,
Sorry about that. I was back in NZ for a month, and also working on a few other projects.

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Mark
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Offline philf

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #68 on: April 06, 2023, 02:01:34 PM »
Hi Phil,
Sorry about that. I was back in NZ for a month, and also working on a few other projects.

Don't apologise!

I thought setting up Mach3 with stepper motors was complicated enough. You've put me off servos.

Cheers.

Phil.
Phil Fern
Location: Marple, Cheshire

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #69 on: April 09, 2023, 01:00:29 PM »
I am sorry to hear that. I think I am pretty lame at this stuff, and most people could do it much faster and more easily than I do it.

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Mark
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Offline RotarySMP

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #70 on: July 09, 2023, 07:39:43 AM »
Adding conversational programming is a real game changer for a home shop machine like this...



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Mark
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Offline philf

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #71 on: July 09, 2023, 02:20:37 PM »
Bugger!

Better luck with the next one.

You may have got away with it if you didn't keep taking a cut on the taper. A short parallel section wouldn't have done any harm.

When using the 4-jaw I find it easier to use 2 keys at once.



Phil.
Phil Fern
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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #72 on: August 11, 2023, 03:55:43 AM »
Thanks Phil. Good point.
 It will be easier once I have the control panel set up and can more easily switch it out of back gear, but yeah, a second key would be quicker.
Cheers,
Mark.
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Mark
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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #73 on: January 07, 2024, 07:51:51 AM »
Hi Guys,

I forgot to link in the last few videos on the Schaublin retrofit...
sorry about that.






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Mark
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Offline tom osselton

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Re: Schaublin 125-CNC retrofit to LinuxCNC and Mesa cards.
« Reply #74 on: January 07, 2024, 08:07:19 PM »
Wow definitely holding out on us! That should keep us going for a while.