Metalworking (rec.crafts.metalworking) Discuss various aspects of working with metal, such as machining, welding, metal joining, screwing, casting, hardening/tempering, blacksmithing/forging, spinning and hammer work, sheet metal work.

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Old December 30th 18, 07:35 PM posted to rec.crafts.metalworking
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Default Welding on the Mill

Ok, who does it. Who welds right on the machine?

When I was first learning to setup and run my first CNC mill (a Taig 2019) I
sometimes repaired a bad cut in aluminum right on the table by filling it in
and then milling it flat. (DC spool gun) Often without shutting down the
mill. I don't recall any immediate catastrophic failures, but I sometimes
wonder if I was just lucky.

I have never done that on any of my other machines.


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Old December 30th 18, 07:36 PM posted to rec.crafts.metalworking
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Default Welding on the Mill

"Bob La Londe" wrote in message ...

Ok, who does it. Who welds right on the machine?

When I was first learning to setup and run my first CNC mill (a Taig 2019) I
sometimes repaired a bad cut in aluminum right on the table by filling it in
and then milling it flat. (DC spool gun) Often without shutting down the
mill. I don't recall any immediate catastrophic failures, but I sometimes
wonder if I was just lucky.

I have never done that on any of my other machines.

*******************

I imagine that could be a little exciting with high frequency. LOL.

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Old December 30th 18, 09:06 PM posted to rec.crafts.metalworking
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Default Welding on the Mill

On Sun, 30 Dec 2018 12:36:56 -0700, "Bob La Londe"
wrote:

"Bob La Londe" wrote in message ...

Ok, who does it. Who welds right on the machine?

When I was first learning to setup and run my first CNC mill (a Taig 2019) I
sometimes repaired a bad cut in aluminum right on the table by filling it in
and then milling it flat. (DC spool gun) Often without shutting down the
mill. I don't recall any immediate catastrophic failures, but I sometimes
wonder if I was just lucky.

I have never done that on any of my other machines.

*******************

I imagine that could be a little exciting with high frequency. LOL.



As long as you keep your ground right on the vise..you will be ok.
Dont let your ground path include ANY bearings and you will be fine.
Its commonly done.

Gunner
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No more pathetic creature has ever walked the earth. But...he is locked into a mental hospital for the safety of the public.

Which is a very good thing."

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Old January 2nd 19, 02:37 AM posted to rec.crafts.metalworking
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Default Welding on the Mill

what matters is where your ground clamp is

On 2018-12-30, Bob La Londe wrote:
"Bob La Londe" wrote in message ...

Ok, who does it. Who welds right on the machine?

When I was first learning to setup and run my first CNC mill (a Taig 2019) I
sometimes repaired a bad cut in aluminum right on the table by filling it in
and then milling it flat. (DC spool gun) Often without shutting down the
mill. I don't recall any immediate catastrophic failures, but I sometimes
wonder if I was just lucky.

I have never done that on any of my other machines.

*******************

I imagine that could be a little exciting with high frequency. LOL.

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Old January 3rd 19, 03:03 AM posted to rec.crafts.metalworking
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Default Welding on the Mill

On 2018-12-30, Bob La Londe wrote:
Ok, who does it. Who welds right on the machine?

When I was first learning to setup and run my first CNC mill (a Taig 2019) I
sometimes repaired a bad cut in aluminum right on the table by filling it in
and then milling it flat. (DC spool gun) Often without shutting down the
mill. I don't recall any immediate catastrophic failures, but I sometimes
wonder if I was just lucky.

I have never done that on any of my other machines.


The question is where you connected the ground side of the
welding cables. If the current goes through the slides and/or the
bearings, there is a great liklihood of damage.

However, if the ground side is connected to the table, or to the
clamp-down bolts for the workpiece, no problems.

Enjoy,
DoN.

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