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What is the basic technique in welding - Welding Tools

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As it was answered about techniques I would add about the tools you need. When it comes to welding you need a welder (of course) and a helmet. These two are a must. I myself use custom welding helmets because I find them decent. Although, the choice is wide.

Posted on Dec 10, 2019

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Hi:
Well don't know were to start, basic technique goes according with the type of metal to weld and type of wire to use.
I think if will be better if you read the basics of welding with MIG machines with an owner's manual. Check the link and go to section B-7.
http://www.lincolnelectric.com/assets/servicenavigator-public/lincoln3/im564.pdf

Posted on Sep 14, 2011

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The tip of my Lincoln 140 welder develops a droplet of steel quite quickly on it. I have the 25 to 30 cfm of argon flowing. I believe I have the right voltage and feed. ???


reset you wire feed speed and the voltage for the thickness of metal being welded
it indicates that the voltage is far too high -probably to compensate for the high wire feed speed
gas is wasted at that flow rate
set up welding screens around the job to stop breezes interfering with the gas at the tip
the gas at the tip should be flowing only strong enough to maintain a gas bubble around the arc
That is the purpose of the gas is only to displace oxygen and so give a good weld

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2 Answers

I like to weld 3/16 steel what is bethr to uesd 0.035/0.030 for welding


I prefer .030, The bigger the wire the more heat you need to melt it and get it to flow. 3/16 is thick enough I like to stitch it meaning I aim the wire to the bottom of the crack and then swing to the right then left then back to the bottom and start again and I pull my gun not push. Using the .035 wire I would build a lot of heat and burn through in a short distances. I would guess I would not go to .035 till I hit 3/8 of a inch.

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1 Answer

Hissing snayo sr 3660s


That's the refrigerant coming out. Major fix. I am not a ref tech, so I do not know if there is a guaranteed welding technique to do an effective weld on those refrigerator coils.

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Is there a certain technique involved in pouring draught beer?


Not only is there technique involved, but some brands of beer may require various techniques. Here is a video tutorial that will demonstrate how to properly pour a basic pint of beer.

http://www.youtube.com/watch?v=pCZkg_R4ZL4

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The F 1 circuit breaker, manual reset is tripping not allowing it to weld. Could it be something as simple as the reset itself


Rated Output at 20% Duty Cycle 150 A at 16 VAC
150 A at 16 VDC Welding Amperage Ranges AC/DC 10 - 165A Max. Open-Circuit Voltage 80 V Amps Input at Rated Output AC-230V: 21A
DC-230V: 23A You need to configure the machine to specifications of the material you going to weld.That is :
-The material of the job
-And the proper amperage to use for the material.
-For aluminum you will use A/C
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Aluminum MIG Welding
1. The best feeding of wire for aluminum is done with a spool gun. If you can't use a spool gun, use the shortest gun possible and keep the gun as straight as possible. Use Argon only for shielding gas. Only use a push gun technique when welding aluminum. 2. If you are having feeding problems, one thing you can try is a contact tip that is one size bigger than your wire. 3. The most common wire type is ER4043 for all-purpose work. ER5356 is a stiffer wire (easier to feed), and is used when more rigid, higher-strength weld properties are needed. 4. Clean the aluminum before welding, to remove the oxide layer. Use a stainless steel wire brush used only for cleaning aluminum. 5. Fill the crater at the end of the weld to avoid a crack. One way to do this is to dwell in the weld pool for a second at the end of the weld.
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I have a problem with **** inclusion in my welds. I am using 3/32 6013 electrodes on a small AC unit. I am welding 1/8 inch mild steel plates in a 2F configuration. When I start the weld I produce is...


A number of things can cause "****" inclusions, poor Technique, bad fit up, Amperage too low, Electrodes damp---etc. Firstly you are using AC-- Check the Electrode carton for the correct ampage, then check the set up, this is the electrode use AC or DC, most 6013 work better on AC terminal setting dont matter + or -- earth.
If you weave too wide you will loose the fluidity on the weld metal, meaning you will be welding over the ****.
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2 Answers

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For certain type of work TIG is required, like welding chrome moly for some racing organizations. Intricate work, like gunsmithing is also well suited to TIG. TIG is used by many auto restorers who prefer a more precise, perfect finish that requires little to no finish work. TIG is most similar to gas welding in technique, so if you've done oxy-fuel welding, TIG should be a natural transition. MIG is required by law and by insurance companies in many localities for structural repair of automotive frames. MIG is also much easier to learn and faster to weld. For doing other types of welding, like sheet metal, it can be a matter of personal preference. For an auto body repair shop or a novice welder, a MIG is a good, practical all-around welder.

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How to TIG Weld


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