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Questions tagged [welding]

74 questions
22
votes
2 answers

Is this correct? Welder suggests 15A outlet on 20A breaker, or 20A outlet on 30A breaker

I just bought a lower-mid priced 120V/20A welder (Forney Easy Weld 140MP), and the manual details that the welder be plugged into a 20A outlet (with a 30A circuit breaker), or you can use a provided adapter to plug into a 15A outlet (with a 20A…
b. insler
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18
votes
2 answers

What is this welding tool I found in my attic?

I believe this is used with welders because i found it inside a welding helmet.... Could somebody tell me what this is exactly?
Braden
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15
votes
2 answers

How to polish welding at 90 degree curves?

We have given contract to the local railings constructor and they have put the railing Balusters on the floor along with clips to put glass on. I am satisfied with their work so far, only thing that is bugging me is the weird looking welding work…
Prem Ramman
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10
votes
7 answers

Steel welding options for a remote property?

I have a remote property where the previous owner welded a steel sliding lock (see pic) onto the metal door of an outbuilding. The part that sticks out (handle) broke off. the nearest/only electricity source is 120v and probably 5-10 amps max…
NormalJoe
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4
votes
1 answer

What kind of eye protection would I need for this particular spot welding system?

First of all, if this is the wrong StackExchange site for this question, I'm sorry. (If someone could point me to the right one, please do so!) So in this DIY YouTube video, the person makes some sort of spot welding device. (I'm not sure if it's…
user45254
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3
votes
3 answers

How unhealthy is arc welding?

I have a few repairs to make that would necessitate some welding. I could do it differently, for example with pop rivets, but I take this opportunity to learn welding. However I'm a bit concerned about the unhealthy part of the process, in…
alecail
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3
votes
1 answer

Is the light intensity from inverter type welders different from transformer type welders?

I have tried researching this, but cannot find any supporting information. I would like to know if the light intensity from inverter type welders is different to transformer type welders, and if so, what is that difference. I can definitely feel…
Hightower
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3
votes
1 answer

Outdoor 50A welder outlet best practices?

What's the best practice for installing a code-compliant 50A 240VAC welder plug outlet on an exterior wall? I can run 6/3 90°C wire to the location from an appropriate breaker. Where should conduit be used (along cinder block wall?) and plastic or…
Spehro Pefhany
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3
votes
2 answers

Can I use "Southwire E51583" AWG 8 wire on 50amp breaker?

This question is two fold: I have a PrimeWeld 225x TIG welder and it calls for a 50amp/220v breaker and NEMA 6-50P. I need to run 60 feet from NEMA 6-50P to breaker box (I have 200amp service). Googling, I think I should be using AWG 6/2 wire. This…
foobash
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3
votes
1 answer

Wiring AC ARC Welding machine Three Phase

I sold my inverter machine to buy a three phase arc welding machine because I read it's more solid, but I can't figure out how to wire it, the seller is clueless he doesn't know what is the difference between three phase and single phase, the manual…
David
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3
votes
1 answer

First time welding - how to connect this steel sheet and tube better?

After researching for a few weeks, making sure I understand the safety, I bought a small MIG welder/Flux Core Arc Welder: http://www.princessauto.com/en/detail/mig-100e-flux-cored-wire-feed-welder/A-p8538886e Here is my attempt at mounting a tube…
JDS
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2
votes
4 answers

What is the most durable ferrous metal pipe against heat?

***UPDATE***I have researched passive fireplace air heaters. The pipes are configured in a "C" shape. There are between 4-6 pipes joined side-by-side at the top and bottom with plates. The wood and than fire is built in the crook of the pipes. When…
ojait
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2
votes
1 answer

What do the numbers on stick electrodes mean?

I'm just starting out learning to weld, and decided to start out with stick welding. While digging through a pile of electrodes that were given to me, I noticed there are different codes printed on them. What do these codes mean?
Tester101
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2
votes
1 answer

HF flux core welder power requirements?

Item/product: Harbor Freight Titanium Easy-Flux125 welder. Question: Which piece of information to use? Source: Operators manual for specific device. References: Images copied directly from manual, pages 7 and 10 respectively. As show above, the…
fred_dot_u
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2
votes
3 answers

How to remedy railing swollen with rust

I noticed that a metal porch railing looks swollen with rust. Do I need to cut that piece out and have someone weld a repair or is it ok to leave as is? Should I put rust stop on it? Since it’s hollow should I seal the gaps in the cap above to…
MonkeyBonkey
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