Questions tagged [welding]

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2answers
66 views

How to support a heavy wooden lid in a copper sink

We have a wood kitchen surface and a pretty large copper sink. The hole is prepared for the sink, which we originally wanted undermounted with a positive reveal. The idea was that the wooden cutout ...
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1answer
55 views

Welder rewiring

The wires of the incoming cable pulled out of my old oil cooled welder. I need to reconnect the live and neutral but there is no indication on the welder where either should go. Does it matter? I'd ...
18
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2answers
9k views

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?
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2answers
81 views

Is a gasless MIG welder a contradiction in terms?

There are lots of very low cost "MIG" welders such as this one for under $100. It claims it's gasless. But the girth of the torch and its lead look like it could feed gas. No gas inlet barb or hose is ...
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1answer
38 views

Patching Holes in Iron Staircase

My condo building has an outdoor iron staircase that has been developing some penny to quarter sized holes. While the staircase is structurally sound, I’m looking for a solution to patch the holes in ...
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0answers
79 views

Besides welding, are there other ways to connect this gear to its axle?

This is washing machine's agitator axle and a gear from transmission. The weld that connected them both had failed. Since I don't have welder at my disposal, I am wondering, if besides welding there ...
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2answers
100 views

Fixing broken cast aluminum?

My drill press was dropped and the table broke off. The break is shown in the picture. Nothing got bent out of shape the table part fits this break perfectly. Is there a reasonable way to re-attach ...
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2answers
714 views

Building a No-Weld Trailer Chassis

I need a chassis for a box trailer. For now I'm focusing on the chassis itself, as once that's built I can use it to haul the rest of the things needed for the box. I'm no steel-worker though, and ...
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1answer
1k views

Help: Wiring 220V in garage to NEMA 10-30r because MIG welder and air compressor have 10-30p

I've reviewed many articles on this website as they've been referred by my Google searches. But most have been about dryers. I have an older air compressor (240V, 60Hz, 15A, 5hp) and a MIG welder (...
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2answers
220 views

Stick welder shut off [closed]

I was welding with an amico 140 amp stick welder when it shut off without warning. Why did it do this? I have waited about an hour and a half and it is still unresponsive. Is there a fix? If I am not ...
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3answers
255 views

Is there a “universal” flux core welding wire for repairing any kind of iron?

I need to weld a railing and am not sure what kind of metal it is made from. For the time being, I'm going to assume it's iron until I can do a magnet test. But short of getting a sample tested in a ...
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2answers
321 views

Attach aluminum tube securely to base without welding/soldering?

How can I securely attach 4-ft x 1" aluminum tube to an aluminum base without having to solder/welding or glue? The aluminum base is 1/8" thick. The tubes are open on both sides, but they can be ...
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1answer
176 views

Materials needed to weld stainless steel to galvanized steel?

I have a welder that knows how to weld regular steel to regular steel. Now he's going to weld regular steel to stainless steel, but I'm sure he's never done this before. Besides the welding machine, ...
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3answers
365 views

Soldering Table Legs?

Would it be ok to solder,brass or hard metal, to make table legs? Or Would the joint not be able to hold much weight?
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0answers
76 views

Welding (MMA): what wire and wall socket should be used?

Right now I am planning an electrical conduits and wall socket that is going to be used with a welding inverter, and encountered the following problem: Let's assume inverter maximum consumption is 5 ...
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1answer
105 views

Building water tight box from plywood and HDPE

Origin I built a box out of 0.3" (8mm) plywood sheets framed by 3" (75mm) by 2"(50mm) staffs. The box is about 3' (1000mm) each side and 2' (600mm) deep, has a floor but is open at the top. The box ...
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1answer
65 views

How to ground a plasma cutter

Just bought a Zeny 50 plasma cutter and I've never used one before. I will be using it outside in a paved area. Where should I ground the big alligator cable? Should I stick a copper pipe into the ...
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2answers
2k views

Can I use flux core wire with MIG shield gas (argon/CO2)?

I recently purchased a cylinder of MIG shield gas (argon/CO2). Can I use my existing flux core wire and the MIG gas together or do I need to buy solid wire?
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1answer
88 views

How long must be the vertical leg of support brackets?

I need to install some heavy granite contertop (650mm depth) on masonry walls, and I have a lot of angle iron (1 1/2" by 1/8") and U channel (70mmx30mm x 5/64") leftover and thought about welding them ...
-1
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1answer
80 views

Single phase welding machine

In our system netural connection is not available. So we connected phase and earth connection for welding machine supply. But welding machine electrode are not melting properly compared with phase and ...
1
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1answer
240 views

Accounting for warp while welding precise corner joints

I am learning how to weld. I have a wire-feed arc welder (fcaw), 125 amp max. I am working with 1/8" plain steel. My general technique isn't great but I'm working on it. My focus now is I am trying ...
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0answers
156 views

How should I bond two pieces of metal without a welder?

I'm unable to access a welder at the moment as advised by my doctor but I'm needing to weld a couple of pieces of metal together for my grand daughter's birthday gift. It needs to be quite strong, ...
3
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1answer
106 views

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-...
1
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1answer
420 views

How to stop a metal table from vibrating when bumped

I built this table recently and when you bump it, it vibrates continuously for several seconds. Imagine a tuning fork vibration, not a wobble. It makes everything on top of the table shake. Does ...
0
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1answer
44 views

Welder display flickering [closed]

Just bought a 2nd hand welder. Boc smootharc 185 tig. After stick welding for a while (haven't got argon to tig yet) I go to shut off the unit and the display flashes a few times before it dies off. ...
3
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3answers
305 views

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 ...
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1answer
81 views

Will this type of welding be strong enough to withstand Southern California winds?

I've recently had a frame installed by one of the local Ironworks companies (see attached pictures). This frame is made out of 1/4" steel is intended to hold horizontal 6" IPE wood boards with 1/4" ...
2
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4answers
253 views

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 ...
2
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1answer
649 views

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 ...
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2answers
51 views

Can someone inform me on how to achieve this type of patina on a furniture project I am working on

Can someone inform me on how to achieve this type of patina on a furniture project I am working on? I am building a coffee table and tv stand for my bedroom and would like to treat the steel with some ...
2
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1answer
24k views

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 ...
3
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1answer
137 views

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, ...
1
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1answer
457 views

What to do when the cold water valve on the water heater is welded on?

Our hot water seems to be running out faster than usual, and thanks to this site, we were guessing that we probably have a broken dip tube in our gas water heater. Unfortunately, someone in the past ...
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2answers
2k views

Square tube or C-channel for gate frame

I will built a frame for a wood gate like the one below (but mine will slide in a track instead of hang on hinges). I was thinking on using C-channel instead of tubing for the frame, since it will ...