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Old 12-16-2010, 11:36 AM   #126
downest
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Yup, I hear you on that, I've got a drawer full of gas lenses that need to be thrown out from welding dirty metal.
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Old 12-16-2010, 01:02 PM   #127
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For those of you messing with schedule 10 and 40, what type of saw do you use, especially with stainless?
Do you prefer a chop saw or a bandsaw? Is it just me or does it take a chop saw a heck of a long time per cut?

I'm trying to mess with some pie cuts and the cutting and beveling are taking a dang long time.
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Old 12-16-2010, 01:19 PM   #128
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Quote:
Originally Posted by reid-o View Post
For those of you messing with schedule 10 and 40, what type of saw do you use, especially with stainless?
Do you prefer a chop saw or a bandsaw? Is it just me or does it take a chop saw a heck of a long time per cut?

I'm trying to mess with some pie cuts and the cutting and beveling are taking a dang long time.

I use sch 10 304 stainless for my manifolds. For the straight pipe I use a tube cutter to get nice clean, straight ends, and to make angles or cut the weld-els up I use either a chop saw or a cutoff wheel by hand, then finish them with a belt sander or air grinder. It sucks, I used to have access to a bandsaw at previous shops but haven't been able to buy one since I started my own place.

Finished tacking up that VR6 manifold... ready for welding!

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Old 01-06-2011, 03:09 AM   #129
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I have a question for all you welding guru's. I am having a hard time getting the puddle to flow when welding 6061 T6 aluminum. I am using a TIG welder set on AC (90 Amps). Tungsten tips, argon gas and aluminum rod. I can get a puddle formed but I am having a very hard time keeping it flowing. I stepped down on the peddle and blew a hole in the aluminum.

Everything is cleaned before I start welding, and the tip is properly sharpened. Do I need to play with the gas flow or some other setting like that? Any tips for a humble welding newbie? Thanks in advance.
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Old 01-06-2011, 08:03 AM   #130
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90amps ? kinda high, depending on thickness of material.

http://www.weldingtipsandtricks.com/...-aluminum.html
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Old 01-06-2011, 09:04 AM   #131
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Quote:
Originally Posted by oguitar View Post
I have a question for all you welding guru's. I am having a hard time getting the puddle to flow when welding 6061 T6 aluminum. I am using a TIG welder set on AC (90 Amps). Tungsten tips, argon gas and aluminum rod. I can get a puddle formed but I am having a very hard time keeping it flowing. I stepped down on the peddle and blew a hole in the aluminum.

Everything is cleaned before I start welding, and the tip is properly sharpened. Do I need to play with the gas flow or some other setting like that? Any tips for a humble welding newbie? Thanks in advance.
Sounds like your remote is off, which makes it like an on/off switch instead of varying amperage.
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Old 01-06-2011, 09:19 AM   #132
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Name brand pipe, or cheap Ebay/hardwarestore pipe, billed as being 6061 T6, but actually recycled soda cans??

Had the same problem after my regular supllier was out of stock, ordered some pipe somewhere else, and with the same welding rig etc I had a hard time welding the new suplliers stuff.
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Old 01-06-2011, 11:16 AM   #133
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Like jake said. Sounds like you have no variable control. What machine are you using?
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Old 01-06-2011, 01:14 PM   #134
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We need a lot more information than that. Answer these questions and you will find more helpful info...

What machine are you using?
What are the other settings on the machine set at? (cleaning percent, argon flow rate, etc)
What type and size tungsten are you using?
What size gas cup are you using
How exactly did you clean the metal?
What thickness of aluminum are you welding?
Is the material anodized?
What kind of weld are you making?
How big is your filler rod?
What does the weld look like? (color, texture, etc)

Pictures of the attempted welds would also help.

It is amazing to really sit back and think about how many considerations go into one tig weld. I remember one time I fought for days trying to figure out a problem welding aluminum, when I first got my machine. I would just burn huge, yellow holes in the metal with large black soot on the outside of the holes. I tried everything. I changed every setting I could think of. Changed the tungsten 20 or more times, changed argon bottles, changed ground cables, and countless other things. Finally I realized that I put the collet in my torch in backwards, and it was blocking most of my argon flow. I felt so stupid.

Last edited by FourOnTheFloor65; 01-06-2011 at 01:20 PM.
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Old 01-06-2011, 02:25 PM   #135
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I'll play along

4" air intake for a '73 Camaro


For a $180 Harbor Freight TIG, it works ok
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Old 01-07-2011, 02:21 AM   #136
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Old 01-07-2011, 04:52 AM   #137
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I don't want to ruin a good thread so I will stop hijacking and open a new thread with my welding questions. Thanks to all who replied.
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Old 01-07-2011, 10:42 PM   #138
FourOnTheFloor65
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Quote:
Originally Posted by yo_its_ok View Post
What did you wrap that in?
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Old 01-11-2011, 08:52 PM   #139
downest
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Finishing this thing up finally!


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Old 01-11-2011, 10:13 PM   #140
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Looks great
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Old 01-12-2011, 10:44 PM   #141
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Quote:
Originally Posted by FourOnTheFloor65 View Post
What did you wrap that in?
insulating foam known as armatex, something we discovered on the advice of one our clients who does contract work.
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Old 01-13-2011, 02:47 PM   #142
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I wish I had someone local that could teach me to weld.
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Old 01-13-2011, 03:06 PM   #143
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Quote:
Originally Posted by sjs0433 View Post
I wish I had someone local that could teach me to weld.
I did too, then I read a few books, watched a DVD, bought a $2500 TIG welder, and learned.

Not ideal, but it worked
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Old 01-13-2011, 05:41 PM   #144
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^yeah I'm sure I could do that but unfortunately I don't have that kind of money to spend
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Old 01-15-2011, 03:39 AM   #145
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there are decent tig machines for under 1000 brand new. add in consumables, and protection, you'll be up there. i was intimidated at first, but i learned it, and even when making mistakes, learned from it. I can confidently say I can tackle on almost anything.
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Old 01-17-2011, 02:08 AM   #146
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just some quick snapshots from work. unfinished before they go off for xray.
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Old 01-17-2011, 02:28 PM   #147
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Trying to weld 1/2in steel with a machine that only does up to 1/4... not so good
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Old 01-17-2011, 11:17 PM   #148
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crappy pictures but whatever. plus Boost Logic is lit about as well as a creepy old world dungeon.

AMS Drew and Colin at Toxic Fab are about my benchmarks for quality. I'll catch up someday.
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Old 01-20-2011, 12:56 AM   #149
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Quote:
Originally Posted by McRussellPants View Post
AMS Drew and Colin at Toxic Fab are about my benchmarks for quality. I'll catch up someday.
Thanks and your not far off. I happen to be lucky to work with some really good guys. I'm still young in the game only 3.5 years working at the shop. Before that I spent a year in CT at welding school. I still have alot to learn. There are a number of people I look up to. I can only hope to someday be as good as they are now. If you look up to anyone have them teach you as much as you can absorb. Everything worthwhile is worth learning.

and if dungeon dark take your parts outside
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Old 01-22-2011, 12:53 PM   #150
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Real men weld on structural high rises right drew?
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