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Millermatic 211 MVP MIG Welder - How To

DIY: Body Repair, Chassis strengthening, and Fabrication

Scott Tsuneishi
Sep 12, 2014

Welding dates back many centuries ago, as early as 1000 BC Egyptians first began fusing gold plates. Today, companies like Miller have designed welders that are not only affordable, but also user friendly for weekend hobbyists such as you and I. Whether you're welding steel or even aluminum, Miller's got the perfect welder for you.

Millermatic 211 MVP MIG welder 02 Photo 2/18   |   Millermatic 211 MVP MIG Welder - How To

1. Before you spend money on a welder, make sure it's a quality unit and you are willing to spend the time practicing your welding techniques.

Millermatic 211 MVP MIG welder 03 Photo 3/18   |   Millermatic 211 MVP MIG Welder - How To

2. Being first-time welders, we decided to purchase a Millermatic 211 Auto-Set with MPV MIG welder. The all-in-one 211 is very user friendly, especially for amateurs, but is also capable for experienced welders alike. A key feature for the Millermatic 211 welder is the "auto set feature," which allows the end user to take the guesswork out of welding. Simply set the upper dial to the .030 or .035 "auto set" indicator to automatically adjust wire speed and the bottom knob to what diameter gauge steel you plan to weld, and voila! Yes, it's that simple.

Millermatic 211 MVP MIG welder setup chart 04 Photo 4/18   |   Millermatic 211 MVP MIG Welder - How To

3. If you're confused on the proper weld setting, just pop the service lid and view the provided setup chart.

Millermatic 211 MVP MIG welder tension knob 05 Photo 5/18   |   Millermatic 211 MVP MIG Welder - How To

4. The 211 incorporates dual-groove quick-change drive roll and spring-loaded tension arm with calibrated tension knob, all designed to make setup easier and faster.

Millermatic 211 MVP MIG welder multi voltage plug 06 Photo 6/18   |   Millermatic 211 MVP MIG Welder - How To

5. Miller's exclusive Multi-Voltage Plug (MVP) allows you to connect to common 120 or 230 V power outlets without the use of any tools. Simply refit the plug that fits the type of welding you plan to accomplish and connect it to the power cord.

Millermatic 211 MVP MIG welder 07 Photo 7/18   |   Millermatic 211 MVP MIG Welder - How To

6. If you're new to the welding world, start running straight passes, no weaving, or sewing, or circling. When running a bead, watch for porosity due to the tip pulled too far back, which contaminates the weld. The key is to take your time, maintain proper speed, and move at a constant rate.

Millermatic 211 MVP MIG welder T welds 08 Photo 8/18   |   Millermatic 211 MVP MIG Welder - How To

7. When making T-welds or perpendicular welds, never weld in a down direction, never drag the bead like you would in stick welding, and always be pushing the puddle in the direction you want to go. Practicing is the key to a good weld.

Millermatic 211 MVP MIG welder T rusted area 09 Photo 9/18   |   Millermatic 211 MVP MIG Welder - How To

8. An incision with a chop saw revealed the rusty area.

Millermatic 211 MVP MIG welder T POR15 clenaer degreaser 10 Photo 10/18   |   Millermatic 211 MVP MIG Welder - How To
Millermatic 211 MVP MIG welder metal prep 11 Photo 11/18   |   Millermatic 211 MVP MIG Welder - How To

9. Prepping the part to be welded is the most important. Make sure your metal is clean. We used POR-15 Cleaner Degreaser before spraying the surface with Metal Prep to neutralize the rust and etch the metal surface prior to painting.

Millermatic 211 MVP MIG welder POR15 treated surface 12 Photo 12/18   |   Millermatic 211 MVP MIG Welder - How To
Millermatic 211 MVP MIG welder POR15 13 Photo 13/18   |   Millermatic 211 MVP MIG Welder - How To

10. POR-15 was applied to the treated surface to seal and protect the surface. The paint dries into a rock hard finish that's resistant to both chemicals and moisture to ensure rust won't reappear.

Millermatic 211 MVP MIG welder butt joint welds 14 Photo 14/18   |   Millermatic 211 MVP MIG Welder - How To
Millermatic 211 MVP MIG welder tack welds 15 Photo 15/18   |   Millermatic 211 MVP MIG Welder - How To

11. Using the Millermatic 211 with voltage control helped minimize blowing holes though the metal panels when butt joint welding. The key to repairing is welding in short bursts every few inches to minimize heat buildup, which warps the steel (shown to the left). The long steady weld (shown toward the right) performed on thin body steel will surely burn through or warp the panels.

Millermatic 211 MVP MIG welder weld grinding 16 Photo 16/18   |   Millermatic 211 MVP MIG Welder - How To
Millermatic 211 MVP MIG welder weld grinding 17 Photo 17/18   |   Millermatic 211 MVP MIG Welder - How To

12. Use an angle grinder to carefully grind down to welds and finish off with a sander before using plastic filler to finish off the area.

Millermatic 211 MVP MIG welder stitch welds 18 Photo 18/18   |   Millermatic 211 MVP MIG Welder - How To

13. We used the Millermatic 211 to also stitch-weld the entire engine bay and chassis for improved rigidity and eliminate flex on our 40-plus-year-old car.

Sources

Miller Electric
Appleton, WI 54912
920-734-9821
www.millerwelds.com
POR-15
New Rochelle, NY 10801
800-457-6715
http://www.por15.com
By Scott Tsuneishi
247 Articles

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