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Have a dayton 85 amp dual purpose wire feed welder mdl.6z935b w/ gas 75%argon 25%co2 w.032 non shielded wire, starts welding before pressing the trigger... why?please help

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Hi im 16 and a dam good welder your problem is because that welder is a live feed that means that theres current passing through the wire already mine is the same

Posted on Dec 20, 2011

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Trigger switch may be stuck on.

Posted on Sep 10, 2010

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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

Feb 25, 2017 | Lincoln Welding Tools

1 Answer

I have a lincoln sp-100 welder and despite having a good ground the weld quality is just not there. Any help is appreciated


Hi,
Let's troubleshoot this one:
1) Make sure you have the right polarity for the wire you are using: Innershield wire (no gas) ground clamp must be on the + side. Solid Wire (gas use) ground clamp to negative side.
2) If gas is used: Mild steel welding requires Argon/CO2 mix 75/25 or 90/10. Using pure CO2 you will create a lot of sparks and a lot of fumes. Stainless Steel welding requires a Trimix gas of Argon/Helium and CO2. Aluminum Welding requires pure argon. Any use of gas requires a steady gas flow of no more than 25 SCFH. If you use more than that or less you will find porosity on the welding.
3) Your work piece must be cleaned before welding (no grease, dirt or paint).
4) Check your machine welding chart for wire speed and voltage.
If you still experience problems with welding quality, check you input power voltage, make sure it doesn't fluctuate.
Goooooood Luck.

Aug 30, 2011 | Lincoln Mig Welder Trigger Switch Magnum...

1 Answer

I have a lincoln power mig 255 and every time i weld little holes appear in the welds. what could this be?


Hi:

This could be a problem of gthe gas you are using. Make sure to use mix 75/25 argon/CO2 for mild steel welding, argon 100% for aluminum and trimix helium/argon/CO2 for stainless steel.
Also check your heat (voltage) 16-22 is enough for weld of most steels less than 1/2 inch.

Aug 06, 2011 | Lincoln Magnum 100L 10' 025035

1 Answer

Does welder need argon gas when using steal wirer


Hi:

If you are using solid mild steel core wire, yes you need a mix of gas Argon/CO2 75/25.

Only cored shielded wire do not required gas (also called innershield or flux cored).

Adjust your flow rate for the mild steel wire at 20 or 25 scfh, depending if you are welding inside or outside a shop.

Feb 05, 2011 | Clarke Power Products Clarke 130EN...

1 Answer

Clarke 130en Welder settings for Welding aluminum with .030 wire on 1/4" sheet aluminum


try 75 25 argon helium gas or straight helium helium makes metal melt hotter

Dec 11, 2010 | Clarke Power Products Clarke 130EN...

3 Answers

What gas do i use for welding mild steel .I have argon and co 2 canisters


Can use argon/co2 mix or CO2 the wire usually has the gas named on the lable

Aug 26, 2010 | Clarke Power Products Clarke 130EN...

1 Answer

Lincoln mig pac-100 low heat on highest setting.won't weld 20 ga.


if you are using flux core that might be why, flux core burns hotter, try using 75/25 or more argon than co2, as your gas, the gas will keep it a little cooler, keep your amps down and match the wire speed to the amps, which would be slower wire speed

Apr 15, 2009 | Lincoln Welding Tools

2 Answers

No gas flow


You never mentioned switching the polarity, this must be done when switching between wire types, Connect polarity appropriately, for steel use dual mix carbon dioxide/argon and set flow to 25-30 and give it shot. Good Luck!

Mar 20, 2009 | Miller MATIC 140 MIG WELDING PKG w/cart...

2 Answers

Mig Question


MIG stands for Metal Inert Gas welding, many times called Wire-feed.. Also referred as GMAW (Gas Metal Arc Welding). The "Metal" refers to the wire which is what is used to start the arc. It is shielded by inert gas and the feeding wire also acts as the filler rod. A semi-automatic process, it is fairly easy to learn and use.

Aug 27, 2008 | Lincoln Electric LINK2400-+1 CV-305 MIG...

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