Questions tagged [welding]

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0
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2answers
63 views

When you cut off the excess wire from MIG torch, do you turn off the welder first?

Just for safety concern, is it a good practice to turn off the welder first before cutting the wire?
3
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2answers
176 views

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). ...
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1answer
58 views

How do I protect the ground under me while welding?

I am using STICK and MIG welding at the moment. Due to certain circumstances I am only able to do this kind of welding over natural surfaces (read grassland). While there is nothing preventing me from ...
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1answer
43 views

How to repair candelabra?

I'm looking for advice on the best way to repair a candelabra made from either wrought iron or mild steel similar to the one in the photo below. It is made up of several parts either welded or ...
22
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2answers
5k views

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 ...
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1answer
89 views

How to properly ground when welding

I read several articles online about grounding when welding and I'm more confused than when I started. I have an AC welder (old Lincoln buzz box)...just in case the type matters (AC vs DC). Here are ...
2
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3answers
126 views

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 ...
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2answers
296 views

How to attach valve to fridge compressor copper pipe without torch? [closed]

I'm trying to make a vacuum pump to pump my car's AC system. I have a fridge outside with r600a gas. I am wanting to take out the compressor and use it as a vacuum pump. I don't even know if the ...
1
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2answers
118 views

Which type of welder is the best for pretty delicate welds

I have some experience with Arc welders and a little with MIG. However the rods and metal I have welded with are big compared to the 1/8in metal I will be working with. Getting a cheap MIG welder is ...
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2answers
177 views

Mounting iron gate on crooked posts

I just finished repairing some heavy damage on my steel and cast iron front gate. I'm ready to hang it again but I'm having a little trouble because the pillars on both sides have a slight outward ...
3
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1answer
173 views

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 ...
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1answer
37 views

Handling unavoidable rust (probably?) contamination in arc welds

I've been working on repairing my front gate, which got hit by a car. It's also been a good opportunity to get better at welding (FCAW). I'm having an issue doing some patch repair welds on the 2x2x3/...
1
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1answer
350 views

3 prong plug to 4 prong outlet adapter? (Welder outlet)

It seems really easy to find the opposite (how to plug a 4 prong plug into a 3 hole outlet) but I actually need the reverse (I need to plug a 3 prong plug into a 4 hole outlet) and not sure if it even ...
1
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2answers
40 views

Cutting and welding a BBQ lid to make it narrower

I have a fairly heavy-gauge park style BBQ made by Pilot Rock. If you needed to reduce the width of this BBQ lid by a couple inches (facing the grill), how and where would you make the cuts and then ...
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2answers
420 views

Locking a metal gate with a deadbolt

I'm having a metal fence custom-made that will have a regular (pedestrian) gate as well as a double gate for vehicles. I'd like to install deadbolts on both gates for better security than other ...
0
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1answer
351 views

Mobile welding - need a specific generator?

Do welding units, such as a Multimatic 220 AC/DC (PDF spec sheet), need a specific generator to power it? For example, does that unit require the Miller Bobcat 260 (PDF spec sheet)? Or can cheaper ...
2
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2answers
218 views

Welding electrode diameter suggestion?

I am just starting out welding. The job is to fillet weld 2"x1" 16 gauge (1.2mm) Rectangular Mild Steel Tubing for fabricating a frame. I have a 250 Amp DC welding machine. Can you suggest Electrode ...
14
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2answers
3k views

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 ...
10
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7answers
4k views

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 ...
1
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1answer
64 views

Is this product suitable as a solvent cement for abs pipes?

I have this at home: Glue and I need to solvent-weld these abs drain piping: pipe and elbow Can I avoid purchasing solvent cement? Or would that present some problem? Thanks.
0
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1answer
373 views

Can you run a 240v US split phase welder on 230v UK single phase

I am moving from the US to the UK and would like to know if my welder will work on UK power. The welder is 240V 50/60 hz so that should be fine as I understand it... except, the welder is wired for US ...
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2answers
79 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 ...
1
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1answer
121 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
10k 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
98 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
163 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
99 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
637 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
3k 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 ...
1
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1answer
5k 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
663 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
1k 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
898 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
3k 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
827 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
79 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 ...
0
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1answer
370 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 ...
0
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1answer
74 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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3answers
9k 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?
0
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1answer
128 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
150 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
369 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 ...
0
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0answers
160 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
195 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
637 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
135 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
511 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 ...
1
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1answer
191 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
687 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 ...
3
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1answer
1k 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 ...