Open the cabinet and put a fan on the control board and see if it has any effect on it. To learn more about welding and for more automotive FAQs, be sure to visit Eastwood.com. What shielding gas are you using? If you suspect the contact tip is causing the wire to feed erratically, it is best to replace the tip. For example, using 75% helium and 25% argon may require a flow rate as high as 50 CFH. Actually, everything is working just fine, have you welded with it? If your gun is getting too hot, it is most likely because you are either exceeding its rated amperage or duty cycle, or else loose power connections or a degraded power cable are causing excessive resistance in the weld power circuit. With that said when I start to weld the weld is "gasless". My bottle is still pressurized. 
Check the terminals and connector contact pins to ensure the gun is properly connected to the wire feeder. So, dont force a higher flow rate because the weld doesnt benefit from it. If not, check wiring. Please refer to our Privacy Policy orContact Usfor more details, Home / Amperage Blog / A Guide to Troubleshooting Common GMAW Gun and Consumable Problems. Entrapped pockets of air cause porosity and weld brittleness. I'm away from home now. When using a no gas MIG welder you can weld in windy conditions with no problem. I'm the owner of MakeMoneyWelding.com. Keep an eye on the weld surface and the area around weld toes. Does your gauge show a drop when you pull the trigger? Used welder. I would try process of elimination before changing circuit board. Typically, if youre welding mild steel and you are welding indoors using pure CO2 or a 75/25 Ar/CO2 mix, you will be fine with just 10-15 CFH. Disconnect the gas hose at the machine and check for gas flow from the hose. Erratic wire feeding, a problem with several possible causes, is a frequent source of burnback. After some research I think it may be a problem with current more than gas it is just acting welding like a gas problem. Does the length of time before it shuts off vary, maybe decreasing as you work through several welds? But, most small welding machines use MIG gun nozzles with a 1/2 in.
My welder is a Lincoln 180C MIG. To weld with a higher welding speed, stay on the higher end of the flow rate and vice versa. Look at Cruizer's post above. But the shielding gas loses its protective role once air mixes with it. If the drive rolls are turning but the wire is not feeding, it is usually caused by inadequate drive roll pressure or a blockage in the contact tip or liner. I used to not think so and I was a little reckless with how I stored my gas. Project Update Section, Post Project Updates Here, Suspension Questions Chassis, Brakes, Shocks, Etc, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. When the leads are not connected and I hit the trigger, it is 35v. The awesome thing about no gas MIG welding is that you can start welding right out of the box when you buy a new wire welder. Any ideas why this could be happening? Its best if you use a regulator rated for CO2. JavaScript is disabled. Found none. If they are not turning, an electrical continuity failure is occurring. A no gas MIG welder doesnt use gas, but rather a hollow wire thats filled with flux. It may not display this or other websites correctly. Tens of variables impact the resulting weld quality, from the stainless steel type to your heat management. If not caused by erratic wire feeding, the most common cause of an erratic arc is usually inconsistent electrical conductivity. So, it does take a bit of tweaking to get proper shielding gas coverage with your particular welder. If loose connections are causing the problem, clean and tighten connections that are in good working condition or replace ones that are worn out. When the leads are connected, and I hit the trigger, it has a steady 6.5V. If youre wondering what a no gas MIG welder is, or how to MIG weld Im going to show you that and a lot more. If you wish to use a gas regulator or a flow meter with a 100% CO2 gas tank, keep in mind that it may freeze because of the low CO2 temperature created as this gas expands. Setting the drive roll tension too high can also create deformities in the wire that cause it to mechanically wear out the tip, which is especially common with knurled drive rolls. Includes articles to help you get the most out of your MIG welding applications plus announcements, events, sweepstakes, product updates, and more. With a MIG (Metal Inert Gas) welder once you pull the trigger of the gun to start the weld a few different things happen. I have changed my tip, the nozzle, made sure that gas is flowing out of the nozzle when expected and even held it with no wire feed for several seconds and flow is uninterupted. Hey guys. The wire can also fail to feed if the trigger switch is broken, or control leads in the gun cable are damaged. Sometimes this needs to be readjusted as a slight breeze could alter the flow and weaken the shielding gas consistency surrounding the weld. When youre welding with MIG you have to always make sure your metal is clean before you weld on it. If a faulty feeder relay is the cause, consult the feeder manufacturer for information on correcting the problem. The Fora platform includes forum software by XenForo, http://s1181.photobucket.com/albums/x437/chevman57/, http://www.trifive.com/forums/album.php?albumid=1177. The trick to achieving sufficient shielding gas coverage is to find the sweet spot. Jeff Grill hails from Long Island, a 118 mile stretch of land that starts just off the coast of Manhattan and stretches deep into the Atlantic ocean. Holiday thing! Too little or too much shielding gas can both cause poor weld puddle protection and lead to excessive spatter.
Story is un wind the reg before fitting to a full cylinder. I recently had issues with my shielding gas. However, the needle and springs inside the gas flow regulator may get stuck, or its mechanical function may diminish. Replace worn out drive rolls or those of the wrong size with correctly sized and tensioned drive rolls. Whenever possible, reduce the flow rate and only use as much gas as needed. Some times with cheap regulators the seat fails. and yes im using the disposable bottle thanks again. For the best site experience please disable your AdBlocker. Exposure of the weld puddle to atmospheric air, whether as a result of plugged gas ports, a ruptured gas hose, too much or too little gas flow, or a faulty solenoid, is one of the most common causes of porosity. However, some welding gas regulators measure liters per minute (l/min). All times are GMT-6. It's supposed to be a 12v solenoid. Every gas regulator has a single valve that lets you modify the flow rate. Locking conductive parts together provides concentricity that helps prevent keyholing (or uneven contact tip wear) that can reduce the overall life of the contact tip. This screen likes to plug up. This creates a perfectly aligned and gap-free wire feed path for improved wire feeding. Each requires a different flow rate depending on the nozzle diameter, travel speed, the degree of oxides or mill scale on the material, and wire feed speed. Relaunch of Hobby Machinist Mentoring Program! I hooked up a neighbors bottle and had the same result. If too little gas is flowing from your welder, excessive spatter and contamination can occur. http://www.millerwelds.com/resources/communities/mboard/forum.php? You are using an out of date browser. Additional non-equipment-related causes of excessive spatter can be incorrect electrical parameters or a contaminated work piece. The reason you cant use MIG in windy conditions is that the shielding gas will get blown away, and youll be left with porosity in your welds. I'll try timing it & see if I can restart welding right away. A forum community dedicated to 1955, 1956, and 1957 Chevy owners and enthusiasts. Disclaimer: Weldguru.com is based on information from multiple sources including U.S. Army Operator Circulars, O.S.H.A and our own first hand experience with welding. If it's also oily, of course the air won't clean it well, so you would have to use some electronics compatible spray cleaner. I had the same problem. But, if you notice any porosity, increase it to the recommended flow rate of 20-30 CFH. It is difficult to give an average longevity to expect from your tips. Standard gas regulators have two gauges. This is caused by leaving the flow control knob wound in when fitting the reg to a fresh cylinder. One shows the pressure in the gas bottle measured in PSI, and another displays the gas flow rate in cubic feet per hour (CFH). Additionally, CO2 gas tanks use a CGA-320 connector, while all other welding gas bottles use CGA-580. Affiliate Disclaimer: This post may contain links that will earn us a commission at no cost to you. You can also reduce heat exposure with a contact tip that is buried further into the diffuser. So, if youre working on a project outside and its a windy day, dont worry because flux core is perfect for that. I can hear a clicking in the machine when I pull the trigger..and expect the gas..but none coming out. The first thing to do to adjust the flow rate of your shielding gas is open your shielding gas tank valve the whole way. Okay, I'll open it up and take a look. I then had to deal with an explosion and fire and that quickly changed my mind about safely storing my gear. For aluminum we discussed above, you shouldnt use anything below 20 CFH. I assume you are using disposable bottles with the little reg supplied with the machine. Mine get clogged up every now and then with slag. All wires firmly attached. But when welding mild steel, you can work well with a shielding gas flow as low as 10 CFH. A table spoon dish detergent for hand washing dishes placed in squeeze bottle with water to fill half full. Why the huge difference? Maybe it is dead. You can make things worse by using a shielding gas flow that is too high. Is it a Lincoln Welder? Hi all, this is my first post here so i hope this is in the right place, but i currently have a problem with my welder. If the wire is prematurely wearing out the contact tip, the drive rolls may be creating small burrs on the wire that can erode the inside of the contact tip. Posted in Amperage Blog, General WeldingTagged articlePost navigationPrevious: Simple Tips for Getting the Most from Your MIG EquipmentNext: Bernard Consumables and MIG Guns Help OEM Fabricators Standardize Their Operations Search Our Blog Search Consumables AccuLock S Consumables AccuLock R Consumables Related Products BTB Semi-Automatic Air-Cooled MIG Guns Related Articles Common Causes and Solutions to GMAW Gun Overheating The Basics: MIG Troubleshooting Understanding and Extending Contact Tip Life Robotic Welding Troubleshooting FAQs 10 Mistakes in Running a Welding Operation and How to Fix Them Teaching New Welders to Improve Quality and Productivity Show moreAdditional Resources How-To Guides and Videos Semi-Automatic MIG Guns, Robotic MIG Guns, Fixed Automatic Torches, Nozzle Cleaning Stations, and Welding Consumables Troubleshooting Guide How to Reduce Welding Gun Wear and Extend Gun Life Show more Common Causes and Solutions to GMAW Gun Overheating, Understanding and Extending Contact Tip Life, 10 Mistakes in Running a Welding Operation and How to Fix Them, Teaching New Welders to Improve Quality and Productivity, Semi-Automatic MIG Guns, Robotic MIG Guns, Fixed Automatic Torches, Nozzle Cleaning Stations, and Welding Consumables, How to Reduce Welding Gun Wear and Extend Gun Life, Copyright 2022 Tregaskiss | All Rights Reserved. Related: Recommend No Gas MIG Welders My Top Picks. For more information on troubleshooting specific welding problems, contact your nearest welding distributor or the customer service department at the equipment manufacturer. If you notice porosity, increase the flow. It isn't recommended, but try pushing the valve needle in the top of the bottle in a little, with a screwdriver, too free up the self sealing valve. Anyone had this type of problem with their mig welder? Once you have adjusted the flow rate, you are free to weld. A no gas MIG welder is similar to a stick welder because both use flux, and flux allows you to get away with welding on dirtier metals. If you can disconnect it, try blowing through it, power on and off. Thanks everyone i went to just test my welder again this morning before spending a tenner on a new reg and surprise surprise it worked, so for now im very happy i guess the valve got stuck but i think i will upgrade to a better reg for the future as i have a feeling it s going to be tempermental from now on, but thanks again for all your replys very much appriciated.
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