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Forum: Basic questions and answers 01-19-2021, 05:31 PM
Replies: 13
Views: 1,368
Posted By berntd
Thanks. I don't use it very often but every time...

Thanks. I don't use it very often but every time I do, I get annoyed that I have to hammer the edge tighter.

I bend 18gauge (1.15mm) cold rolled steel mostly. sometimes the odd 16 Gauge (1.6mm). ...
Forum: Basic questions and answers 01-19-2021, 03:44 PM
Replies: 13
Views: 1,368
Posted By berntd
Bending brake not bending crisp edges - why?

Hello
I have a 4ft bending brake (a pan brake) that I use to bend panels for my restoration projects. i tis identical to the one pictured but I have mine on a stand.

It is essentially a chinese...
Forum: General Discussion 03-08-2020, 07:35 PM
Replies: 21
Views: 4,032
Posted By berntd
Definitely an expanding mandrel. But what stumps...

Definitely an expanding mandrel. But what stumps me on that is why does that not push out / deform /undo the previous rib inner. There is clearly no clamp to hold that in as the die expands for the...
Forum: General Discussion 03-08-2020, 06:34 PM
Replies: 21
Views: 4,032
Posted By berntd
This one is also very interesting. I have no...

This one is also very interesting. I have no idea.
https://www.youtube.com/watch?v=Eqru6zIN2t0
Forum: General Discussion 03-07-2020, 03:41 AM
Replies: 21
Views: 4,032
Posted By berntd
I did not understand you previous post about the...

I did not understand you previous post about the lathe, tailstock and moving it.
?

Also, the wall thickness of this brass is only 10mils/ 0.25mm. Not easy to hold.
Forum: General Discussion 03-06-2020, 05:59 PM
Replies: 21
Views: 4,032
Posted By berntd
I see all the machines (on youtube) that can do...

I see all the machines (on youtube) that can do it but at some stage, someone must have invented these and made a few with more simple tools.

I am interested in all sorts of metalshaping and to...
Forum: General Discussion 03-05-2020, 06:18 PM
Replies: 21
Views: 4,032
Posted By berntd
That was my first thought as well. It would need...

That was my first thought as well. It would need a lot (!) of stretching of the brass though across relatively thin sharp rollers.
I see on youtube, they make the bigger ones one rib at a time bu...
Forum: General Discussion 03-05-2020, 04:49 PM
Replies: 21
Views: 4,032
Posted By berntd
ALthough I am not an expert in the...

ALthough

I am not an expert in the electroforming plating field, but I did investigate it a while ago for something else. It is a very versatile process indeed.
However, I do not think one could...
Forum: General Discussion 03-05-2020, 05:35 AM
Replies: 21
Views: 4,032
Posted By berntd
How can this be made? Metal bellows.

I am seriously impressed by the brass bellows from a 1951 thermostat.

I am puzzling how one could make it.
There are videos on large stainless ones but there must have been a simpler way back in...
Forum: Welding Sheet Metal 03-03-2020, 04:46 PM
Replies: 8
Views: 2,547
Posted By berntd
Still great advise. Greatly appreciated!

Still great advise. Greatly appreciated!
Forum: Welding Sheet Metal 03-03-2020, 03:50 PM
Replies: 8
Views: 2,547
Posted By berntd
John, I am not plugwelding and not making spot...

John, I am not plugwelding and not making spot welds.
Forum: Welding Sheet Metal 03-02-2020, 08:02 PM
Replies: 8
Views: 2,547
Posted By berntd
MIG butt-welding spot issues

Hello,

I have been grappling for years with these issue but suddenly thought I should ask here , just in case...

When welding sheet metal of ~42mils and under, I can just never get the MIG...
Forum: Welding Sheet Metal 02-17-2020, 04:45 PM
Replies: 6
Views: 2,683
Posted By berntd
Ok, cool. I have ordered some Ceriated...

Ok, cool.

I have ordered some Ceriated tungstens.
Let's see where that takes us.

My machine is DC so aluminium is not a consideration at this stage.
Forum: Welding Sheet Metal 02-16-2020, 08:02 PM
Replies: 6
Views: 2,683
Posted By berntd
TIG sheet welding: Thoriated or Ceriated tungsten?

I am just wondering what you folks think.

I have been using Thoriated tungsten for thin steel and stainless until now.

I have almost run out and want to purchase replacements.
Is there merit...
Forum: General Discussion 02-03-2020, 03:27 PM
Replies: 25
Views: 4,780
Posted By berntd
Has the lack of back purging made it worse than...

Has the lack of back purging made it worse than mild steel or is it just a little worse than stainless?
Forum: General Discussion 02-02-2020, 06:59 PM
Replies: 25
Views: 4,780
Posted By berntd
Oh crap, So I welded most of it together...

Oh crap,

So I welded most of it together with my tig welder.

But now I saw on Youtube that I was supposed to purge the back of the welds.
Or paint the back with Solarflux B.

I did not do...
Forum: General Discussion 01-27-2020, 12:12 AM
Replies: 25
Views: 4,780
Posted By berntd
1" OD tube ID is too small. The original 1.125"...

1" OD tube ID is too small. The original 1.125" steel tubing was very thin walled ~40mils and so its ID was more than 1".

I am not the designer so I do not want to cause water flow problems.
Forum: General Discussion 01-25-2020, 10:07 PM
Replies: 25
Views: 4,780
Posted By berntd
Ok. Update... My visit to the stainless...

Ok. Update...

My visit to the stainless steel shop was about as disapointing as it usually gets when I need something, the service is mediocre and not interested.

They had 1.125" tubing. No...
Forum: General Discussion 01-23-2020, 06:10 PM
Replies: 25
Views: 4,780
Posted By berntd
Wall thickness is 1.6mm or 63mils. I will...

Wall thickness is 1.6mm or 63mils.

I will investigate the sand idea. It has not worked for me in the past.
Forum: General Discussion 01-23-2020, 03:43 PM
Replies: 25
Views: 4,780
Posted By berntd
Hello everyone, The original pipe is 27.6mm...

Hello everyone,

The original pipe is 27.6mm OD. = 1.086".

There is nothing much usable on the original except the little stub for the temp gauge. The whole thing has corroded paper thin from...
Forum: General Discussion 01-23-2020, 02:24 AM
Replies: 25
Views: 4,780
Posted By berntd
Pipe bending: 1.125"/28mm How can I do it?

Hello

I have to duplicate a rusted out cooling water manifold pipe for a vintage truck.
I can purchase stainless pipe in 1 1/8" which is very close.

I have no pipe benders.
I have a shop...
Forum: Basic questions and answers 01-30-2019, 01:32 AM
Replies: 13
Views: 2,103
Posted By berntd
Thanks for the great advise. I forgot that I...

Thanks for the great advise.

I forgot that I have pictures with gloss and a video.
This problem has been stopping my progress for a while.
Here are those pictures.

51195

51196
Forum: Basic questions and answers 01-29-2019, 04:10 AM
Replies: 13
Views: 2,103
Posted By berntd
51173 51174 51175 51176 51177

51173

51174

51175

51176

51177
Forum: Basic questions and answers 01-28-2019, 08:29 PM
Replies: 13
Views: 2,103
Posted By berntd
Remove a large dent from a fender: How?

I have a big shallow dent in my project car's rear fender.

The dented in / pushed in are is ~20" / 500mm wide and it is in about 1/2" at the deepest point.

I can push from behind with my porto...
Forum: Basic questions and answers 01-06-2019, 09:58 PM
Replies: 19
Views: 2,396
Posted By berntd
I have never done this so any further input will...

I have never done this so any further input will be a great help.

Should I just use a vertically placed sheet metal strip along the top and attach it with MIG spots every 3(??)".
Or do I need...
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