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Forum: Introductions 05-16-2022, 08:25 PM
Replies: 2
Views: 64
Posted By crystallographic
Why Shade difference?

Heard a lot of feedback on green welding lenses, since 1989.
"Better than Burts" has been heard a time or two, on the other hand ...:D
Every welder has hissown particulars ..... :D ..... Hanna,...
Forum: Automotive Projects 05-05-2022, 05:55 PM
Replies: 4
Views: 393
Posted By crystallographic
aluminum thing

63463
Aluminum gas welding demo.
Forum: General Discussion 05-04-2022, 12:28 PM
Replies: 11
Views: 603
Posted By crystallographic
Claxton goes way back. ...

Claxton goes way back.
https://link.springer.com/article/10.1007/BF01350766

I enjoy seeing the "shot peen" references here for stress-relief ... reminds me of the old film "Speed and Heat"...
Forum: General Discussion 05-03-2022, 06:37 PM
Replies: 11
Views: 603
Posted By crystallographic
VSR machines

Hi Rick,
Vibratory Stress Relief devices come in various flavors now. Used to be you would find one rental outfit that had one and you got that.
More widely available now.
Philly shows one outfit:...
Forum: General Discussion 05-03-2022, 11:22 AM
Replies: 11
Views: 603
Posted By crystallographic
Welding stainless and surface finishing

This is all great info, guys. :):)

Rick - The Cad-Eldo stlss roof-wreck job I advised on had been crushed by a snow-load garage roof failure, and the craftsman jacked it all back up very well -...
Forum: Beginner Projects 05-02-2022, 07:30 PM
Replies: 2
Views: 267
Posted By crystallographic
Practice is what it takes.

Practice is what it takes.
Forum: Introductions 05-02-2022, 06:00 PM
Replies: 3
Views: 356
Posted By crystallographic
Welcome, Mike. Old Indy stuff is cool. ...

Welcome, Mike.

Old Indy stuff is cool.
63451
'13 Mercer, accurate running repro of orig.
Forum: General Discussion 05-01-2022, 12:38 PM
Replies: 11
Views: 603
Posted By crystallographic
Hi John, I checked with one fellow who has a...

Hi John,
I checked with one fellow who has a few decades doing stlss for bar service parts and then furniture.

Welding: Tight fits and fusion welding recommended. 14ga is what he prefers for...
Forum: General Discussion 04-30-2022, 07:26 PM
Replies: 3
Views: 231
Posted By crystallographic
WellSaw owner here ... coolant fed... 3ph.... ...

WellSaw owner here ... coolant fed... 3ph....
8T Starrett ... 10T Starrett ... 12T Starrett ...
Cuts 6X6, 4x6, 2x4, steel heavy tube, 4in round steel bars, etc.
Forum: Basic questions and answers 04-29-2022, 05:26 PM
Replies: 10
Views: 827
Posted By crystallographic
Just the way I would recommend for this.... Off...

Just the way I would recommend for this....
Off cuts, and scraps and bits will weld together.
Forum: Introductions 04-28-2022, 11:15 PM
Replies: 1
Views: 251
Posted By crystallographic
Welcome, Dave.

Welcome, Dave.
Forum: Basic questions and answers 04-28-2022, 11:10 PM
Replies: 1
Views: 139
Posted By crystallographic
Still being cool ..... since 2006 .... or so? ...

Still being cool ..... since 2006 .... or so?

(I keep looking for the old NASA "pin former" I was hearing about ... 1995 ...?)
Forum: Basic questions and answers 04-28-2022, 06:49 PM
Replies: 10
Views: 827
Posted By crystallographic
I know "form blocks" pretty well. In the...

I know "form blocks" pretty well.
In the aviation world, where "form blocks" and "rivet gun forming" got started about 90 years ago, aluminum sheet is the usual metal formed, and is formed in wood,...
Forum: Basic questions and answers 04-26-2022, 09:36 PM
Replies: 4
Views: 311
Posted By crystallographic
Agreed. Thickness and alloy are important for...

Agreed.
Thickness and alloy are important for panel strength.
So also is hardness. Working the panel increases hardness.

One element perhaps worth considering, also, is geometry.
In other...
Forum: Welding Sheet Metal 04-26-2022, 04:15 PM
Replies: 10
Views: 756
Posted By crystallographic
Yep, sounds right. The MIG ain't so bad - if...

Yep, sounds right.
The MIG ain't so bad - if you use dualshield, spatterstop, a quench bucket for the gun ....
preheat can hep, or warm the shop - had one guy call me from N. MI, January,...
Forum: General Discussion 04-26-2022, 04:05 PM
Replies: 11
Views: 603
Posted By crystallographic
Hi John, Stlss loves to warp when welding...

Hi John,
Stlss loves to warp when welding unless fixtured carefully.
I've seen some awesome stlss work, cut/fit/welded/brushed, for high-end furniture work.
I think one artiste I know uses .090" -...
Forum: Welding Sheet Metal 04-26-2022, 12:31 PM
Replies: 10
Views: 756
Posted By crystallographic
"Roll cage" welding/fab .... NHRA used to offer...

"Roll cage" welding/fab ....
NHRA used to offer specs.
Was .090" wall thickness for some. ... That might tend to get hot, if sustained. Might plan coffee breaks, accordingly? (just noodling the...
Forum: Basic questions and answers 04-22-2022, 05:43 PM
Replies: 14
Views: 921
Posted By crystallographic
Yes, tucking it up and then rolling with the...

Yes, tucking it up and then rolling with the wheel is good.
Also working on the buck is when you get the metal all bucked up.
Buck up your tucks. The wheel will capture the metal so it will be all...
Forum: General Discussion 04-20-2022, 06:42 PM
Replies: 16
Views: 1,631
Posted By crystallographic
Heh heh heh - metal work can be...

Heh heh heh - metal work can be "self-hardening." :)
(and self-leveling.) :o

I was thinking of this moment when reading your "educational" story:

63383
(forge welding - BIG smack on hot iron)
Forum: General Discussion 04-18-2022, 04:35 PM
Replies: 16
Views: 1,631
Posted By crystallographic
Thanks, Marcus. :)

Thanks, Marcus. :)
Forum: Automotive Projects 04-18-2022, 01:22 PM
Replies: 98
Views: 13,995
Posted By crystallographic
Hi Jaro, You are showing several pix of "metal...

Hi Jaro,
You are showing several pix of "metal tenderizer" tool/dolly.
Yes, they leave quite the marks, especially if you use the complete set:

63380
:eek:

You will make a name for yourself...
Forum: General Discussion 04-17-2022, 10:33 PM
Replies: 18
Views: 1,427
Posted By crystallographic
Perhaps you mean "standard welding helmet" to be...

Perhaps you mean "standard welding helmet" to be the ones that are used for electric welding? Like MIG, TIG, Stick-arc welding, and sub-arc?
Electric welding methods can emit intense arc rays that...
Forum: General Discussion 04-14-2022, 08:46 PM
Replies: 16
Views: 1,631
Posted By crystallographic
Plomb 1421, 1424, 1426, 1427, 1428, 1429

When I am working 20 ga steel, i.e. flattening welds, hand shrinking, smoothing, planishing ...
63295
The big face and deep reach of the 1421 makes it an easy choice.
- or when working .063...
Forum: Automotive Projects 04-09-2022, 11:22 PM
Replies: 88
Views: 22,380
Posted By crystallographic
Very elegant weld-assist, Eugene. (love those...

Very elegant weld-assist, Eugene.
(love those step bits. :))
Forum: Automotive Projects 04-08-2022, 08:15 PM
Replies: 1,897
Views: 760,997
Posted By crystallographic
Jack, This auto-creation of yours is very...

Jack,
This auto-creation of yours is very unique - and is a remarkable study of lines, shapes, and curves, joined with careful fits and very smooth flows.
I keep going back and looking again and...
Showing results 1 to 25 of 2736

 
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