ac to dc welder conversion kit

Will it really weigh like a brick? A travel adaptor will probably not do the job as the voltage is different from eu and USA. ALWAYS wear appropriate personal protective equipment when working in the shop. To insure all of this I used both aluminum and copper strapping scavenged from the transformer shown earlier. . the rectifier is pretty cheap and straight forward, if I remember correctly for a 225 amp machine you would use a 5000 mfd cap and a pretty high value bleed resistor but I do not remember how it wired in. The AC mig works ok but lots of splatter. Read equipment owner's manual and adhere to safety instructions before operating any equipment or attempting any task. If you are a resident of another country or region, please select the appropriate version of Tripadvisor for your country or region in the drop-down menu. International customers can shop on www.bestbuy.com and have orders shipped to any U.S. address or U.S. store. It has a CC/CV selection switch so in theory what you want to do would work but it's going to be a a big disappointment. It welds great and weighs a bit over 16 lbs. The terminals and heat-sinks must be connected such that the heavy current (as much as 225 amps) can flow unrestricted, and so that cooling is possible in both air or in a oil bath, and so that the whole is structurally sound. Buy a 150 amp Bridge Rectifier for this project, not a. I used to be a service tech for our local Praxair welding supply store so I worked on too many 120 powered mini migs to count and I never saw an AC one. SSA examines, analyzes all Ac To Dc Welder Conversion Kit of 2021. For the heavy stuff I have a Monkey Wards DC converter for my Miller 225, if I'm going to be doing long sets of welds. 0 to 599 CFM Carbs; 600 to 699 CFM Carbs; 700 to 799 CFM Carbs; . Dual Cylinder Rack Conversion Kit for Millermatic, Multimatic, and Diversion Cart (#301239) . After doing the full install, 12 was a little too short. It may not display this or other websites correctly. I would be concerned with junction temperatures of the rectifier assembly you showed, but if it is working it's great! For example, a 1500W hairdryer will burnout most travel adaptors. Industrial Robots/ Motion Control / Solar Power, Capacitor For Power Transmission And Transformation, Solid-state capacitors / Motor starting capacitors, Aluminum Electrolytic Capacitors/ Ceramic Capacitors, Solid-state Capacitors / Motor Starting Capacitors, RAM/RFM Intermediate Frequency Capacitors, RAM/RFM Middle Frequency Water Cooled Capacitors, How to Use SILVACO Software to Simulate Diode Characteristics, Jianghai shares: future focus on the film capacitor market, Development of Ferroelectric Cathode Vacuum Diode Test Device for Strong Emission Current. FHAyMo1-1to. Found several schematics but the inductor is hard to locate but saw reference to a DIY inductor using a 1.75" cast iron pipe but locating cast iron pipe? We'll work to keep you motivated and informed and with industry news, product information and reviews, event coverage, and well-curated articles and stories intended to inspire and educate. Look on the manufacturer's tag on the appliance and it should tell . The only downside is that the edges on the transformer are so sharp, it chewed up the jacket on the wire. $69.99 shipping. The short answer is yes, same plugs. AC/DC-225 Conversion Direct current (DC) is necessary for many types of electrodes. Cost for thatunder $4. Offline SMPS has no impedance from mains input problems? Found on Ebay numerious 3 phase diode sets. Find the AC voltage of the power source with a multimeter. Copyright 2023 YANGZHOU POSITIONING TECH CO., LTD. All rights reserved. Location. He wires in a $55 rectifier and is now able to achieve stronger weld using 7018 rods Convert your AC welding machine to DC for $50. IN NO EVENT SHALL MARK YOUNG BE HELD LIABLE FOR ANY CERTAIN, SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OR USE OF ANY INFORMATION COMMUNICATED ASSOCIATED WITH THIS VIDEO AND/OR PAGE/PLATFORM. I have a small set of travel hot rollers that works with my voltage adapter. A single 10-32 bolts holds two rectifiers through the mounting holes. BINZEL 24 Style MIG . Check the wattage, not the voltage, on what you are going to be using as most travel adaptors/convertors have a small limit. The referenced link shows three possibilities for Spain, including the Swiss plug. Ohio Man Builds Insane 1966 Batmobile Replica. LOL, Nice to deal with you. Also, ask any pro welder or watch their videos on welding with Flux Core and they all say you MUST set up your welder for DCEN to keep the slag of the Flux Core on top of the weld rather than inside the weld. He wires in a $55 rectifier and is now able to achieve stronger weld using 7018 rods, What Are The Best And Worst Small Block Chevrolet 350 Heads, Take a Trip Through the 2019 Detroit Autorama, An Online Magazine for DIY Hot Rod Builders. They don't burn out, but if improperly connected, they will burn out your appliance.. And they don't weigh much at all. The diodes you find in an automobile alternator will crap out fast despite their high amperage. Walmart, Target, Staples, Best Buy, etc, etc. Next, I drilled some small mounting holes from the outside of the case and into the L-bar. Humidity and temperature: function for reading the RHT03 sensor (OnshonSoft Basic). Can't think of the model off handsc-150 or something. Don't need to get lost in front of the wide amount of options! My understanding is that this will cause the electrons to flow FROM the gun and INTO the part being welded, allowing deeper penetration and more heat for melting the metals together. Automotive Technical and Reference Information, Project Cars, Trucks and Salvage Vehicles For Sale. You bring the gumption. ryanjones2150 you refer to the tc-150, they are hard to find. Best Buy International: Select your Country - Best Buy If it's just in Europe I would just wait until you get here and buy a straightener with a curling attachment and make do with an iron in the hotels that have them and be a tiny bit creased in the ones that don't rather than worry about voltage converters. For a better experience, please enable JavaScript in your browser before proceeding. If you can get one for $20 it would probably even end up being cheaper. Attempting to use a constant current (designed for stick) welder in a constant voltage application (wire) will generate very poor results. Holey Joe Engineering demonstrates building a welding cart with a sliding cable rack, tank mounts, plumbing, and casters. i used A 2 POLE 1400V @ 400 AMP bridge rectifier to convert my AC Arc Welder to DC output to run E6010, E7010, and deeper penetration on the E7018 rod. Please advise me as to how I should prepare for the electrical differences. 0 bids. How to convert 90 Amp Welder to DC? American Tower was named one of the World's Most Admired Companies in 2022 by FORTUNE magazine. It may not display this or other websites correctly. I am happy with the results of the change as the welder seems to send more heat into the metal and is giving off less of those 'splatter bb's' that it did when it was welding in AC. Go buy a curling ironless than $20. The measure in at 3 inches across. Voir les dtails, Clientes internacionales pueden comparer en www.bestbuy.com y enviar sus pedidos a cualquier domicilio o tienda en EE. Get greater arc control and produce high-quality TIG welds with the advanced technology of the Multimatic 220 AC/DC welder. Designed for single phase rectification, output DC current is 400A. You are using an out of date browser. This is wired into the positive side of the DC output. 2023 TractorByNet.com | TractorByNet is a registered trademark of IMC Digital Universe, Inc. Other trademarks on this page are the property of their respective owners. RAZOR MULTI 230 AC/DC MIG/TIG/STICK Welder Bundle PK11078 before you say, in the next year im planning to buy a XMT 350MPA for that purpose. The rectified AC output has incredibly high ripple. 08-26-2020, 10:01 PM. It really isn't difficult. :-), One other note, almost all hotels now have an outlet in the bathroom that provides 110V and a North American plug. See More Details. I will not explain electronic theory. Are they a waste of $. DC produces a more stable welding arc, allows greater heat control, and allows me to use my TIG torch with scratch-start. Snap On vs Daytona, Pittsburgh, ESCO, Husky, More. Re: Converters and/or adapters for Spain and Portugal. I did this by building a massive full wave bridge rectifier. Tig set up for Dialarc 250 - Miller Welding Discussion Forums more, You seem to have JavaScript disabled. This welder is now a 120 volt DCEN, which means I can plug it into most any outlet or extension cord and weld with a polarity of the clamp being positively charged and the gun (electrode) negatively charged. The transformation is pretty fundamental; cut the yield leads from the welder's transformer and bounce them to the rectifier's AC side. Those are 2 excellent points, CanadianinMadrid! You are using an out of date browser. 3. Check the wattage, not the voltage, on what you are going to be using as most travel adaptors/convertors have a small limit. Also available at AAA and the airports but definitely cheaper at the big box stores. You don't want a lot of capacitance on a stick welder, capacitance is for mig welders. I am pretty sure it would be the same as converting a ac mig to dc and there are scads of videos on that out there but I just never has it high enough on the priority list to pursue it. They made both versions in the budget Lincoln line in the same basic case (the angled tombstone shape - not talking about the much heavier duty roundtop tombstone- - the Idealarc) To use our mobile site, please enable JavaScript. 2023 WeldingSite.com. Spend your money on a mig welder, or a constant voltage source to hook your 12vs to. Andy Fogarty explains in detail how to quickly make sense of the various factors and elements that typically dictate your MIG welder settings. I'll give YouTube a try. UNDER NO CIRCUMSTANCES WILL MARK YOUNG BE RESPONSIBLE OR LIABLE IN ANY WAY FOR ANY CONTENT, INCLUDING BUT NOT LIMITED TO, ANY ERRORS OR OMISSIONS IN THE CONTENT, EXPRESSLY OR IMPLIED, OR FOR ANY LOSS OR DAMAGE OF ANY KIND INCURRED AS A RESULT OF ANY CONTENT COMMUNICATED OR IMPLIED IN THIS VIDEO AND/OR ON THIS PAGE/PLATFORM, WHETHER BY MARK YOUNG OR ANY THIRD PARTY. NO DC VOLTAGE. Lincoln AC-225 DC Conversion - Next Project Will this Tig work with a Lincoln ac/ dc Asked by: Randy . These took machine screws to secure in place. I realized we have a 1 year old non working micro wave that is going to be salvaged shortly. Convert Welder from AC to DCEN - YouTube I had every intention of seeing it through but there has just always been other projects that took priority. The heat sinks for the diodes and the cooling fans in the back ground. Vintage 1980 Yamaha Enticer Snowmobile Revival to Former Glory, 5 Common Mistakes That Cause Crooked Burnouts. before you say, in the next year im planning to buy a XMT 350MPA for that purpose. Weld 7018 rods,more strength Share Watch on Where to get it Lincoln Electric AC225 60Hz Arc Welder MFQ300A Bridge Rectifier ta.queueForLoad : function(f, g){document.addEventListener('DOMContentLoaded', f);})(function(){ta.trackEventOnPage('postLinkInline', 'impression', 'postLinks-39829303', '');}, 'log_autolink_impression');Spain. Lincoln sells a inexpensive AC arc welder that can handle as much as 225 amps of current at about a dollar per amp. The key seemed to be hammering the edges after clamping in the vise otherwise the wires were a little loose. i got three options for the rectifier part of EFI and Throttle Body Conversion; Carburetors . It may not display this or other websites correctly. ac dc bridge rectifier welder diode Product Description Features: High quality bridge rectifiers used for conversion of an alternating current input into a direct current output. When purchassed I was thinking an LG was supposed to be a good brand. If you don't know 100% how this is done, don't do it. http://www.magellans.com/store/Adaptors___Converters___Plug_AdaptorsEA351D. The transformer yield drives each have a narrow lead that hurries to the welder's circuit board, so the joining happens downstream starting there. 11 years ago. Eastwood ARC Welder TIG Welding Torch Lincoln 125 Fluxcore to MIG conversion, possible to just - WeldingWeb I cut 24 12 gauge wires to a little over 12 each and added connectors on one end. As LD noted, there are resources out there to make a rectifier box to do it, but you will probably be both money and aggravation ahead to find a used AC/DC stick welder. For a better experience, please enable JavaScript in your browser before proceeding. I alsochecked the transformer temperature and although it didnt heat up as quickly as the rectifiers, it hit over 100 as well in about two 6 beads. The loss to heat rectifying to DC will be huge. The box is an old main-frame computer power supply box. UU. Convert AC Welder To DC! - YouTube You can easily refer and get from the 10 best Ac To Dc Welder Conversion Kit for you. The finished DC rectifier showing connection end. Also have 10year old camera and original IPAD1. I hear they can burn out. My dad had a box with four big diodes on it for DC stick welding. Re: voltage converter for curling iron, hotbrush and flat iron. You can convert it to DC just by using a full wave rectifier and a good sized inductor choke. AC to DC Conversion 04-02-2004, 11:36 AM. Our sustainability program is built upon three pillarsenvironment, social and governanceand our commitment has a positive impact on business performance. This is the version of our website addressed to speakers of English in the United States. After running some tests, I do believe the arc runs a little smoother with the choke than without it. I converted my 225 a couple of months ago. Easy to work with that way. The 12VS is designed to work with a CC (constant current) source. I plan to do some tests on different rods and the ampsthey run best at. You are using an out of date browser. 2. Always consult equipment operator's manual and follow safety instructions before operating or servicing any tractor or equipment, or attempting any task. Tractor. Absolutely, but I would incorporate doing it better the next time around. JavaScript is disabled. While big diodes can turn an AC machine into a DC machine, I've not actually seen in done since I was a kid. How To Convert AC Stick Welder to DC for Cheap - Lincoln 225 "Tombstone" "Buzz Box" BurningDinosaurs 2.23K subscribers Subscribe 1K 109K views 3 years ago IOWA How to cheaply convert an. In 10A mode the output is limited to 200A, and the duty cycle is limited to 10% at 200A. Red to black, black to red and blue to bits. Maybe 1 lb or less. Ended. Converted my Lincoln AC 225 to AC/DC - WeldingWeb First step is adding DC capability. LINCOLN 225 ARC WELDER AC TO DC CONVERSION - YouTube They are using a 300amp bridge rectifier. Attach the multimeter leads to the ports on the bottom or side of your multimeter. Check wattage and use the washroom plug. Re: Converters and/or adapters for Spain and Portugal. Ver ms detalles. I always bring a voltage adapter, and I always have a problem using my flat iron. That being said, welding Flux Core with an AC configuration not only produces considerable splatter, but would also pollute the weld, yes? I have added a rectifier but it was less than awe inspiring. He says it works great! JavaScript is disabled. Welds 7018 really well. NECESSARY SAFETY EQUIPMENT/ENVIRONMENT, DISPLAYED OR NOT, DISCUSSED OR NOT, IS UP TO THE USER TO DETERMINE WHAT IS NEEDED FOR THEIR OWN SAFETY, THE SAFETY OF OTHERS, AND PROPERTY. 6 1000V 50A Single Phase Bridge Rectifiers, 2 M8 1.25 x 20mmbolts with washers and split washers, 3 10-32 x 1-1/2 bolts with 6 washers and 3 split washers. Our company promises not to disclose your personal information to any external company with out your explicit permission. I have some 300A 300V diodes for the bridge rectifer but the output choke/inductor is my holdup. Just signed up this evening after receiving an email from TBN. In doing a few tests, it was interesting tosee how quickly the rectifiers and the aluminium L-bar heat up on DC. To convert rectified AC power to DC, you have to add capacitors or a choke (or both) in series with the DC supply, and resistors between the rectified supply and ground. Is there a schematic so I could try and imitate/build one? does it need a filter cap, say 47,000 uf 100V? The good news is that you can convert your AC welder to DC output, though the parts to do it (meaty bridge rectifiers) may or may not be cheaper than just buying a new welder. Using copper strapping to make the connections have as low resistance as possible for the massive welding current. International customers can shop on www.bestbuy.com and have orders shipped to any U.S. address or U.S. store. With a bridge rectifier, the DC still oscillates from zero to a peak value, but it doesn't cut out half the time. 4. Harbor freight 90 amp welder dc conversion - Welding Tips & Tricks AC to DC stick welder conversion - TractorByNet Converting AC to DC Mathematically. Next time I would go with 16 so none of the wires would be under tension. I'm fussy with my hair too, but have given up, as it seems to be a typical problem with flat irons for some reason. Won't be until Monday before I can get back to the shop and look. Help w/ homebrew choke for ac->dc conv. - Weld Talk Message Boards I could have gone with a more expensive 220 volt DCEN welder, but then I would lose the convenience of being able to take this almost anywhere there is a 120 volt grounded outlet. Wrote the company but never heard anything back. RAZOR MULTI 230 AC/DC MIG/TIG/STICK Welder; RAZOR Welding Helmet (UMRWWH) PK11078. FIND A STORE. First I built this DC arc conversion. I started going to auctions and about 1980 I found A Century DC converter at A hardware store auction. See More Details, Les clients internationaux peuvent magasiner au www.bestbuy.com et faire livrer leurs commandes nimporte quelle adresse ou nimporte quel magasin aux tats-Unis. check out the. I am converting a Miller 225 amp AC welder to DC, is it recommended to include filter capacitors in the circuit? Ac To Dc Welder Conversion Kit, Quality Ac To Dc Welder Conversion Kit 1. Keep this link and you will never be confused again as this covers the world. How did it weld? You must log in or register to reply here. the result of using just the rectifier was very poor in my opinion but some people on you tube swear it is the best thin since sliced bread. It also has 110 capability. DC seems to work pretty well. Alternatively, you may use. You can do tig, after a fashion, but you won't like it. Jul 29, 2021 / AC to DC stick welder conversion #4. My brother in law just did one. Reply 05-24-2019 #3 455dan Here is a schematic of the Century 80GL welder. JavaScript is disabled. I searched for years for something like this. Voltage converters are very easy to find. How to Convert AC to DC: 11 Steps (with Pictures) - wikiHow 10 Best Ac To Dc Welder Conversion Kit. to $50. I was not aware that they ever made an AC MIG unit. there are some videos on you tube but the one that would be of use for me as a electronicly challenged person came up missing. Also goes into what you are looking for in a choke (big-iron-copper): https://groups.google.com/forum/embed/#!msg/rec.crafts.metalworking/d8tRl0HT6YA/-36mdXraHtoJ, http://www.allaboutcircuits.com/textbook/direct-current/chpt-15/magnetic-fields-and-inductance/. Closeup of the rectifiers Rectifiers and the AC and negative terminals from the back Seen some small ones on amazon for $8. Fuddy1952. They made both versions in the budget Lincoln line in the same basic case (the angled tombstone shape - not talking about the much heavier duty roundtop tombstone- - the Idealarc). My father bought this new back when I was a kid. Fill in more information so that we can get in touch with you faster, (Max 5 files. I made a few mistakes along the way, but I did not get hurt, and safety equipment was worn in every step that it was required. There a reason that the Thunderbolt AC/DC machine is only rated at 150 amps on the DC side. 374. in the mean time modifiying my thunderbolt is a cost efficient option. I've written to the hotels I'll be staying at and all but one said they do not provide voltage converters. Matt shows how he likes to fill gaps in metal that are too small to create a filler piece and too large to just weld as you normally would. I figure for $50 I will have a DC mig. You're going to get rectified AC power at double the line frequency. Ares Management Corporation Awarded Innovative Public-Private If you succeed I would like to hear about it for sure. The DC copper lugs are mounted with the original bolts that came with the quick disconnects and the AC quick disconnect are attached with the two 8mm 1.25 x 20mm bolts since they have two copper lugs instead of one. Made of Unobtanium, evidently, but please help if you can! They make rectifier diodes specifically for welders. How To Convert AC Stick Welder to DC for Cheap - YouTube . Notice how the aluminum is wrapped with the copper. Multimatic 220 AC/DC Multiprocess Welder | MillerWelds If this is your first visit, be sure to The old transformer will be used as the choke coil (see circuit diagram). All of the connectors from one copper lug are connected to the positive outlet on each of the six rectifiers. As in my first post about the welder, most of what Im doing is following Gregory Hildstroms article on doing much of the same work to his own AC-225. Where are you travelling to? I picked up a HF Titanium 225 inverter stick machine. Please suggest, Connecting 6 push buttons with ESP32 with 1 common pin. The welds shown in this video are not in real time, they have been edited. Lincoln Electric AC-225 (AC225) AC/DC stick/TIG welder conversion How To Convert an AC Welder to DC for Stronger Welds - Roadkill Customs A DC welder of this current can cost twice as much, and a Mig welder of this current is way more. I think I paid around 50 buck's for it and put it on my father's welder and it works very good. Without his articles, I probably wouldnt have started this in the first place. Looks like they cost just over $20. A bit of a low-quality video, but he demonstrates using diodes, a choke, and capacitors so you can see the difference: Click to share on Twitter (Opens in new window), Click to share on Facebook (Opens in new window), 5 Gallon Bucket Thien Baffle Dust Collector, Reupholstering Jeep Cherokee XJ Sun Visors, Replacing 1st Generation Trooper Front Wheel Bearings and Grease Seals, Swapping 1st Generation Isuzu Trooper Auto Locking Hubs for WARN Manual Hubs, Replacing 1991 Isuzu Trooper Shocks Without Removing the Tires, 3D Printed USB Strain Relief and Student Project Boards for Arduino UNO and Breadboards, Organizing BLF Keys on VVX Expansion Modules in FreePBX, Adding Filament Runout Detection to an Anycubic Kossel with Marlin 1.1.8 and BIQU 3D Filament Detection Module, Fixing a Cheap 3d Printer Power Supply with a Blown NTC Thermister, Provisioning Polycom Phones with DHCP Option 160 in pfSense, Meraki, and Mac OS X Server 10.11 El Capitan, Monitoring pfSense WAN Uptime with Uptime Robot, Turning on Email Notifications in pfSense, Proxmox Virtualization Server Part 1: AMD Athlon 5370 Mini-ITX, Adding DINSE Style Quick Disconnects to Lincoln AC-225, Quick and Easy DIY AR-15 Upper Receiver Vise Block, Making a Reloading Bench for a Hornady Lock-n-Load Press, Custom Berretta AL-2 Titanium Charging Handle, Making a Rolling Bench with Soft Closing Drawers. For those who know, no explanation is necessary. Many of my appliances are older and hate to purchase all new for this short trip. I can find a 200A bridge rectifier, but the TC-150 has a transformer in it. If you have the newer appliance, all you need is a adaptor for the plug as mentioned by Gigi's mum. Look on the manufacturer's tag on the appliance and it should tell you the wattage. A single diode can transform AC power into an intermittent DC flow, but a bridge rectifier uses four diodes to reverse the direction of both sides of the AC pulse. For example, a 1500W hairdryer will burnout most travel adaptors. Since this torch is only designed to fit our DC TIG welders you will not be able to weld aluminum. As others have mentioned, to get a good result involves both rectification (diodes) and smoothing (capacitor) all correctly rated for the high currents involved, plus heat management. Page Contents show . My "collection": Homemade Stick Welder Victor O/A Torch AC 225 Ideal Arc 250 HF 90 Amp Flux Core HF Mig 170 Solar 2020 Plasma Cutter Power i-Mig 140E Harris O/A torch HF Dual Mig 131 140ST Alpha Tig 200x Reply The DC copper lugs are mounted with the original bolts that came with the quick disconnects and the AC quick disconnect are attached with the two 8mm 1.25 x 20mm bolts since they have two copper lugs instead of one. I had to buy a new battery charger in the states, and my friends straighteners didn't work when she came over here? You can get this stuff cheap and there. Make sure you buy a converter that suits the voltage of your appliance. This can be a dangerous task to perform due to its electrical nature. Flat iron.. pack things that don't need the ironing. ac welder conversion - Miller Welding Discussion Forums Dang microwave was only one year old and while cooking it started to smell like something burning. If you dont know about rectifiers (I didnt), here is a good primer on how they work: Helpful discussionfrom a 1996 (the good oldays of the internets) thread on chokes and capacitors and how a choke smooths the arc. the test worked perfectly with 1/8". 10 Best Ac To Dc Welder Conversion Kit [TESTED 2021] - Clear One Winner! I've tried in Europe and in South America, with different voltage adapters, to no avail. The basic parts check out those massive diodes! Does your iPad have a USB power adaptor? Well welded structure with good temperature and power cycle ability ensures a more stable performance. We provide how-to and technical articles, vehicle and build features and examples, plus calculators and lookups that will help you get your ride from dream to driver. It's way more technical then I feel like getting into on here but your going to have more money and time into it, a massive heat sink will have to be built, and almost no duty cycle. But it's still only 150 amps. Mark shows an easy way to convert an inexpensive AC welder to a more expensive DC welder. I agree with Holakjs, but if you don't want to spend any money on small cheap appliances, your hotel may provide hair dryers - ask them. Wondered if I should try it on my Miller Thunderbolt? Rusty but Rare 1976 Chevy K10 Sport Truck Revival! There are several YouTube videos showing this conversion. Convert Welder from AC to DCEN Mark Young - Outside The Box 9.72K subscribers Subscribe 722 112K views 5 years ago LEARN FROM MY MISTAKES! As LD noted, there are resources out there to make a rectifier box to do it, but you will probably be both money and aggravation ahead to find a used AC/DC stick welder. I grabbed a leftover aluminium L-bar and cut it to about 6 and drilled holes the same size as the mounting holes on the rectifiers. Miller built two Dialarcs for stick - AC and AC/DC. Worked great, but used exclusively for SMAW. After you spend the money for hi-freq unit, neither machine will accept foot control so you cannot turn machine on and off and you cannot control current except with knob on front of welder. You've got other big engine drives and making an execise in futility to use a wire feeder on a Thunderbolt. Miller makes a DC rectifier for the thunderbolt.

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