optimum does mig welding wire go bad

The Art of Slitting | Fabriing and Metalworking

The step that is cut off is a sliver and often looks like a piece of wire. These slivers will tend to accumulate around the slitting head or under the shear. As the knives get dull, they will tend to smear the step against the slit or sheared edge.

Ferrite Content in Austenitic Stainless Steels - Rolled

This is a precaution against solidifiion cracking during welding. The ferrite contents in the weld deposits will be on the order of 5 -10% ferrite depending on the alloy. If ferrite free welds are also required, higher nickel alloy filler should be selected, such …

How do you adjust both voltage and amperage …

2017-5-27 · They are either Constant Current (CC) primarily used for stick and TIG welding work or Constant Voltage (CV) for MIG/wire feed work. Typically CC machines have a open circuit voltage of ~ 60 - 90 volts AC or DC and work by keeping the current stable at whatever setting is used by letting the voltage vary between zero at a dead short and the


Page 33 OpERATION WELDSKILL 250, 350 D. WIRE INCH SWITCH INCH Art # 0-10094 The Wire Inch Switch is used to feed the MIG wire through the MIG torch. When the push button switch is pressed down, the electrode wire is fed through the Wirefeed system & MIG torch. No gas flows and welding voltage is not present when the Wire Inch Switch is activated.

Millermatic 252 MIG Welder 208/230 Volt 907321

Millermatic 252 MIG Welder 208/230 Volt 907321 Comes complete with: Millermatic® 252 MIG Welder wired for 208/230 volt input power 15 ft (4.6 m), 250 amp M-25 MIG gun for .030/.035 in wire 10 ft (3 m) Work cable with clamp Factory - installed gas solenoid Argon mix regulator/flow gauge and hose 10 ft (3 m) power cord and plug (200/230 V model only) Factory-installed running gear with EZ

Electrical Enclosures Simplified | NEMA Ratings, …

Let’s talk about boxes. But not just ordinary boxes. In this blog, we explore the many options available when shopping for electrical enclosures. These industrial boxes house sensitive electrical components. So, determining the correct level of protection is very important. We’ll cover the most popular NEMA ratings associated with enclosures, as well as materials and […]

Make a DIY Cloverleaf Antenna - Oscar Liang

2020-8-3 · Cloverleaf antenna is a circular polarized antenna for FPV which is way better than the cheap dipole antenna that comes with video transmitters and receivers. Antenna is one of the most important parts of FPV system.In this tutorial I will show you how to DIY one. Omni circular polarized antenna like Cloverleaf is one of the best FPV video transmitter antennas available to hobbyists.

FCAW wormholes pass xray? - Welding Forum

2009-8-8 · Just done my BS EN 287 - 135/136 (MIG root, FCAW fill and cap) in the 6G position. Its getting Xrayed in the morning .Noticed some wormholes , which im putting down to either crap or damp wire.When i lightly ground over them they disappeared.

TurboTorch Inert Gas Cylinder - 20 Cubic Foot 0916 …

Argon/CO2 mix provides superior performance while welding with solid steel MIG wires. Straight Argon is suitable for most TIG appliions and aluminum MIG welding. All cylinders are brand new 3AA2015 with ten year test. Cylinder dimensions: 5.26"OD X 13.75"H CGA 580 valve **NOTE - cylinders must always be used with pressure regulating device

Welding Tips & Tricks - Aluminum TIG Techniques | …

In this video you will see aluminum tig welding techniques for outside corner joints while putting together a cube project. Cubes are fun projects, and there is a lot to learn from welding a cube. How to prop to be steady, how to feed filler wire, and also how to use pulse settings and lay wire …

87 questions with answers in WELDING METALLURGY …

2020-6-24 · In our robotic welding process, we are carrying out a fillet welding of 1 Inch thick circular part which has been case hardened( material AISI 1020) with part of SAE 1008-1010 material in the

How many lbs of hardface wire can you put down in a …

2020-6-7 · More about out of position welding and trying to figure out what’s the up limit of wire speed I can weld at and not put a lot of heat into the base part. Trying to figure out why running .045 wire at 800 inch vs 1/16 at 350 would not put down the about the same with close to the same input heat

Laser brazing of a steel/aluminium assely with hot

2006-11-5 · The filler material is a wire, that is unwound at roughly the same speed as the braze welding, i.e. 2 m/min. It was chosen for the compatibility of its fusion point with that of the aluminium part (T f = 650 °C).The diameter of the laser beam is about 2 mm at the point of impact.

Dirty Pro Tools™ Professional Mig 130 Welder Gasless …

1. Not as neat as MIG 2. Poor quality wire supplied 3. Laughable "welding shield" supplied 4. Poorly written and unclear instruction manual 5. Short duty cycle (10%) Overall I really like this little flux core welder. For my needs (including welding bench legs and outboard motor brackets etc) it …

VWVortex - Trouble with Flux core weldingnoob

2009-6-19 · So i bought myself a Campbell Hausfield reconditioned welder. Model WG202000. # 70 AMP wire feed welder runs on current # Runs MIG or Flux core wire # Welds from 24 gauge to 3/16inch metal thickness # Duty Cycle: 20 percent at 70 amps # Output power: 30-70 amps # Input power: 115 volts, 20 amps # Uses .030 inch and .035 inch wire So i tried to weld together some …

CABLE - Welding Productivity

2016-10-12 · for a welding cable, it’s important to understand what comprises the cable. Inside is the inner tube for the liner, welding wire and shielding gas. Annealed copper strands wind around the tube and a couple of trigger wires that connect to the feeder. Next, a cloth wrap goes around the strands and then on the outside is a rubber jacket.

4130 welding, need advice - Welding, Bonding & …

2003-2-21 · Ive been told that if you need to mig 4130 that you can use 70s2 wire with 95% argon 5% c02 and get good results. stress-relieving is recommended and 1,100ºF is the optimum temperature for tubing appliions. Cheers . RE: 4130 welding, need advice you need to go to the American Welding Society web site and start looking up the filler

Trail Welder Comparison

2006-4-3 · The Mobi-Arc came with a kit to modify the factory alternator so it could be used for welding. We installed this kit for our testing and used the stock alternator. We then switched it out for a Northwest Power Products 160 amp model so we could see the difference between the two.. To install the Mobi-Arc, we first used the provided kit to modify the factory alternator to allow it to be used

Oxy-Acetylene Welding 101 - Hot Rod

Welding is a fundamental skill needed for many truck modifiions and repairs. Once a person can cut metal and join parts by welding, an entire universe of possibilities will open for you.

Eastwood MIG 175 Aluminum Welder with Spool Gun

By attached the free spool gun, you can also weld 14 gauge to 1/4-inch aluminum. This high-quality MIG welding machine has a 30 percent duty cycle at 135 amps and a 30-175 amp welding range, giving you the power and time needed for tough projects. It feeds wire at 58-471 inches per minute and has infinitely adjustable wire speed and heat settings.

Welders ?!? (Aluminum) | Page 5 | Boat Design Net

2009-7-12 · I got an email from him recently, with another cert he has obtained. He is now LR coded on welding 1.8mm ally overhead with MIG. This is the type of reply i was expecting from whoosh to justify his claims (as he aggressively wants others to do but he does not reciproe), sadly far from it was the reply. (as noted in posts #41 and #43).

Hobart 500553 Handler 210 MVP For Use with …

Used the MIG set up and it runs a wonderful, great penetration bead on 1/4" thick (solid wire MIG .030, 230v single phase) and that is not cranked up all the way or using .035 wire. Extremely happy with the welder. It is not light however. Would recommend getting a cart. I did get the welding cabinet from HF and happy with the construction and

Cable Trouble - American Torch Tip

2020-8-1 · Troubleshooting a poorly performing cable is an essential part of any MIG welding operation. The cable is a key part of any MIG welding operation as it makes up the majority of the cost of the welding gun. It is surprising what goes into the MIG cable and where breakdowns can occur.