Tip & How-To about Welding Tools

How to set ark welders with more than fifty foot of welding cable


This tip is referring to welding machines using fifty foot add on sections of welding leads.
Number one: Set the machine with just the stinger whip(six to eight foot long) and a fifty foot ground lead.The ground lead can be shorter.
Number two: Get a piece of scrap plate the same thickness as you will be welding.
Number three: Set the plate in the position you will be welding in and clamp the on ground to to plate.
Number four: Turn on machine and set amperage dial to the size of rod.(if your using 1/8 rod set for 125 which is the decimal equivalent of 1/8) using decimal equivalents will get you in the ball park but depending on the coating , thick or thin you will have to adjust from there.
This will work for rods like stainless that have high resistance to current.
Number five: Once you have the setting that you like add five amps for every fifty foot of lead your using.This works for copper leads that are half inch thick and that all connections are tight. One more thing,if the rod is eating a crater ahead of the arc your running to hot.

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I have an Elna Junior Club sewing machine and I am sewing Lycra and using the number 14 stretch stich. It just loops and bunches up underneath even though I have set everything as instructed.


Did you pre-wash the fabric? Sometimes the finish applied at the factory causes problems. Also, be sure to use a ball point needle on knit fabric. Sometimes, using a walking foot, teflon foot, or roller foot will help the fabric move smoother through the machine. It could be that your machine is experiencing a problem with the back-n-forth movement of the stretch stitch. Otherwise, here are more guidelines to review:

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Feb 02, 2017 | Elna Sewing Machines

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I have just bought a Gasless Mig Welder and someone has said its only used for tacking. Is this right?


wrong
gasless mig welders are used the same as gas /wire migs
the only difference is the polarity of the leads to the hand piece and the work ground and this is indicated by the plug in the machine for the ground lead
what the "someone " would have been referring to is the duty cycle of the unit
every welder has a duty cycle because of the heat generated in the welding process by the electronic components and transformers and if that duty cycle is exceeded the machine stops working until it cools down or damages the circuits
it is stated as a % of time in use so a unit with a 20% duty cycle means that for every 20% of use it has to cool for 80% of time
as an example ---if you were using a stick welder, the time taken to burn the stick would be 20% and the time taken to insert a new stick and clean the slag off the weld to resume the process would be the 80%
It also depends on the amps being used for the weld
on a machine with 120amps capacity and you were using 15 amps to weld sheet metal--body panels - the length of welding time will be considerable compared to using 115 amps where the weld time would be a few minutes
there are plenty of helpful hints in the operators manual and other technical publications on line

Aug 09, 2016 | Welding Tools

1 Answer

Rossi 220BZ Gas/Gasless Inverter Welder MIG MAG ARC Portable Welding Machine


The Rossi 220bz mig welder comes set up to use gas welding, that is with the Mig electrode connected to the positive terminal, inside the machine.
To use gasless mig wleding, the mig wire must be disconnected from the positive terminal inside the machine and reconnected to the Negative terminal - inside the machine. Open both the side coveres of the welder using a phillips screwdriver. Use a 13mm spanner to undo the hex nut holding the thick copper Mig lead to the terminal named positive, then lead it through the machine to the terminal on the oppisite side of the machine, labelled negative and screw it in place there with a 13mm hex screw. Be carefull not to bump any of the many electric parts inside the machine.
If you run the Mig welder in gasless mode with positive earth and positive elecrode it will blow the household electric fuse.
If you run the Mig welder in gasless mode with negative earth and positive electrode it will work, but the end of the Mig gun tip will get very very hot and start smoking abnormally from excessive heat.
But if you take the side covers off and rewire it (takes about 10 minutes) to negative Mig Electrode, the Mig gun tip remains cool and does not overheat. You will have to cut just one white cable tie, to get an extra inch or so of free Mig cable, so the thick copper Mig lead will reach accross to the terminal on the other side of the machine named negative. Stick the earth lead at the front in the positive terminal.
I did this on my Rossi 220bz mig welder.
http://www.weldequip.com/gasless-mig-wire.htm

Jun 25, 2013 | Welding Tools

1 Answer

SOLAR 2-125 LEADSFOR WELDING MISSING PARTS LEAD THAT IS USED FOR THE GUN


You will be able to purchase any parts you need at a local welding supply store.Do you have a diagram for your stinger and the parts you need.If not I can check my books because I think I may have a manual for this.

Oct 19, 2010 | Solar Mig Welder Welding Gun Liner Parts...

1 Answer

welding leads stinger getting hot


Either the leads are undersized for your welding application, bad ground, or loose connection somewhere. Try to start here!

May 23, 2010 | Bobcat Miller 250 Welder Generator 907212...

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