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Sinking !

Heat sinking , to be precise . Got the B.A.D.'s (big ass diodes , 275a @ 600v) in the mail , and am working on some hea...
2 comments posted 19yrs
posted by snagone
2 comments posted 19yrs posted by snagone

Preheat temperature reduction

I have a requirement to find the expected drop in temperature over a time scale of 1 foot piece of grade 483 42 inch XS...
1 comments posted 19yrs
posted by rcarmstrong
1 comments posted 19yrs posted by rcarmstrong

What is the pay scale for a CWI?

Want are the pay ranges for a CWI in structural steel? What other certs would add to a CWIs value? This would be in the...
2 comments posted 19yrs
posted by wayneREMOVETHIS
2 comments posted 19yrs posted by wayneREMOVETHIS

Welding casters to a "shop crane" base

I have a Harbor Freight shop crane http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=35915 The casters t...
10 comments posted 19yrs
posted by ignoramus6539
10 comments posted 19yrs posted by ignoramus6539

motor control problem on an old mig

hi. not sure if this is the right place to be asking this but if not forgive me. i just got an old powermate 90a wire f...
2 comments posted 19yrs
posted by james.h2005
2 comments posted 19yrs posted by james.h2005

Problem with Miller Spoolmatic 30A

Recently I noticed what appears to be a problem with my Spoolmatic 30A. When the trigger is initially pressed the wire...
1 comments posted 19yrs
posted by rkrecak
1 comments posted 19yrs posted by rkrecak

2-inch heavy wall weld test in 6G

Hello to all, I recently found that somebody had received advice on passing a test with 2-inch heavy wall in a 6G posit...
4 comments posted 19yrs
posted by dylancardozo
4 comments posted 19yrs posted by dylancardozo

Crappy bead w/ Miller Spoolmatic 30A

I tried tacking some ears onto a Muncie transmission with my Spoolmatic 30A that is running off my Millermatic 250/ met...
4 comments posted 19yrs
posted by Sierevello
4 comments posted 19yrs posted by Sierevello

Stud welding stainless

Can you safely stud weld mild steel studs to stainless? ( 316) I am highly suspicious of this because welding mild stee...
12 comments posted 19yrs
posted by m-zimmerman
12 comments posted 19yrs posted by m-zimmerman

Miller Tunderbolt help please

I just picked up an old Miller Thunderbolt for $20. It is old and dirty and the leads are in bad shape. And it has not...
6 comments posted 19yrs
posted by KIMO
6 comments posted 19yrs posted by KIMO

Old Lincoln Shieldarc

I was at a steam tractor show yesterday, back in the other exibits was a diesel powered vintage Lincoln Shield Arc weld...
2 comments posted 19yrs
posted by spamless
2 comments posted 19yrs posted by spamless

Cast Iron repair help

Ive been tasked with repairing a motor end bell. The bell is a C face, with only 3 bolts on the face flange..and it was...
30 comments posted 19yrs
posted by gunner
30 comments posted 19yrs posted by gunner

Lincoln SA200 Disassembly

Anyone out there know how to disassemble the generator end of an SA200 Short Hood Welder. I took the big nut off the sh...
0 comments posted 19yrs
posted by bfrlaw
0 comments posted 19yrs posted by bfrlaw

gap in weld joints

Hi everyone My copy of "Design of weldments", 1963 edition, just arrived. Browsing trough it, on single pass welds it r...
14 comments posted 19yrs
posted by cramos
14 comments posted 19yrs posted by cramos