Spridgets List Archive

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Mail From: "Glen Byrns" <(email redacted)>

After a few difficult sessions on the Morris truck attempting to "spot" weld a
new driver's floor brace, I switched over to "plug" welding and suddenly I was
flying along. Better welds, no duds, and finished in no time.

For the beginner welders out there like me, to spot weld with a mig rig, you
drill a hole through one piece and then fill the hole with weld and hope it
penetrates to the undrilled piece beneath. With plug welding, drill (~3/16"
through BOTH pieces, back the hole with a small piece of brass or copper, THEN
fill the hole with weld. What a difference in success. All the good welders
on the list are saying "DUH!", but at least I'm learning. (And I got a
rock-solid floor brace!)

Glen Byrns
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Mail From: <(email redacted)>

I thought brass was porous and would explode when exposed to welding.
...bill
==========================================================================
-----Original Message-----
From: spridgets-bounces+corvallis=(email redacted)
[mailto:spridgets-bounces+corvallis=(email redacted)] On Behalf
Of Glen Byrns
Sent: Monday, September 15, 2008 12:27 PM
To: Spridgets
Subject: [Spridgets] plug welding

After a few difficult sessions on the Morris truck attempting to "spot" weld
a
new driver's floor brace, I switched over to "plug" welding and suddenly I
was
flying along. Better welds, no duds, and finished in no time.

For the beginner welders out there like me, to spot weld with a mig rig, you
drill a hole through one piece and then fill the hole with weld and hope it
penetrates to the undrilled piece beneath. With plug welding, drill
(~3/16"
through BOTH pieces, back the hole with a small piece of brass or copper,
THEN
fill the hole with weld. What a difference in success. All the good
welders
on the list are saying "DUH!", but at least I'm learning. (And I got a
rock-solid floor brace!)

Glen Byrns
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This read-only message was archived from a public mail list.
Mail From: Michael Rowe <(email redacted)>

> For the beginner welders out there like me, to spot weld with a mig rig,
> you
> drill a hole through one piece and then fill the hole with weld and hope
> it
> penetrates to the undrilled piece beneath.

This is a plug weld. Spot welds are made with no drilling. There must be a
different name for welding through two holes. Anyone know?

Michael Rowe
'74 Midget
Long Island, NY
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Mail From: "Larry & Sandi Miller" <(email redacted)>

Michael, Glen is talking about a simulated "spot" weld. You cannot do a true
spot weld with a Mig.

----- Original Message -----
From: "Michael Rowe" <(email redacted)>
To: "Spridgets" <(email redacted)>
Sent: Monday, September 15, 2008 4:22 PM
Subject: Re: [Spridgets] plug welding


>> For the beginner welders out there like me, to spot weld with a mig rig,
>> you
>> drill a hole through one piece and then fill the hole with weld and hope
>> it
>> penetrates to the undrilled piece beneath.
>
> This is a plug weld. Spot welds are made with no drilling. There must be
> a
> different name for welding through two holes. Anyone know?
>
> Michael Rowe
> '74 Midget
> Long Island, NY
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Mail From: <(email redacted)>

double fillet?
==========================================================
-----Original Message-----
From: spridgets-bounces+corvallis=(email redacted)
[mailto:spridgets-bounces+corvallis=(email redacted)] On Behalf
Of Michael Rowe
Sent: Monday, September 15, 2008 4:22 PM
To: Spridgets
Subject: Re: [Spridgets] plug welding

. . .

This is a plug weld. Spot welds are made with no drilling. There must be a

different name for welding through two holes. Anyone know?

Michael Rowe
'74 Midget
Long Island, NY
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This read-only message was archived from a public mail list.
Mail From: Dave Grandeffo <(email redacted)>

> Michael Rowe
>
> > For the beginner welders out there like me, to spot weld with a mig
> rig,
> > you
> > drill a hole through one piece and then fill the hole with weld and
> hope
> > it
> > penetrates to the undrilled piece beneath.
>
> This is a plug weld. Spot welds are made with no drilling. There
> must be a
> different name for welding through two holes. Anyone know?
Actually, welding through a hole in one piece to a solid piece
underneath is called a rosette weld.

--
Dave
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Mail From: Michael Rowe <(email redacted)>

> Michael, Glen is talking about a simulated "spot" weld. You cannot do a
> true spot weld with a Mig.

Actually, you can. I have no experience whatever, but because of that, I
read a lot when I got my machine, trying to learn on my own with not one to
show me. You can make spot welds with a MIG welder by holding it in one
place at the "right" setting for the "right" length of time. (That's why
amateurs don't do it.) There is a special head for this that is shown in the
Spridget restoration book. I don't know if you can get that head for our
cheapo machines.

Michael Rowe
'74 Midget
Long Island, NY
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Mail From: Billy Zoom <(email redacted)>

> There is a special head for this that is shown in the
> Spridget restoration book. I don't know if you can get that head for our
> cheapo machines.
I have one. They don't work. Have any of you tried that English gun looking
thing that holds a carbon rod?
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Mail From: "Larry & Sandi Miller" <(email redacted)>

I used it when I had a stick welder and it worked as long as there was no
air gap between the two pieces.

Larry Miller

----- Original Message -----
From: "Billy Zoom" <(email redacted)>
To: "Michael Rowe" <(email redacted)>; "Spridgets"
<(email redacted)>
Sent: Monday, September 15, 2008 7:17 PM
Subject: Re: [Spridgets] plug welding


>> There is a special head for this that is shown in the
>> Spridget restoration book. I don't know if you can get t
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