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Which one should I prefer MIG or FC? To find out this answer, I did little research.
At least I discovered three significant facts that play a substantial role in selecting the welding process.
- The material: The material which is going to weld is an essential fact for choosing the required method.
- Place: Where is your working area? Is it indoor or outdoor? Also, the weather condition is a significant issue.
- And the third one is the exterior surface finish.
However, we are providing you with a basic idea about both of these processes. Also, we are expressing their working principles as well as their pros and cons.
Hopefully, this discussion will give you the fundamental knowledge, and based on this information you can take the correct decision easily.
What is gas metal arc welding?
The GMAW (gas metal arc welding) is also known as MIG welding. The elaboration of MIG is an inert metal gas.
Cause, it uses a constant solid electrode wire for the filler metal. It supplied gas from a cylinder for shielding. The barrel must have the high-pressure capacity.
The included cable is copper coded mild steel. It used as a protective layer to prevent rusting and maximizing electrical conductivity. Also, it improves electrical conductivity and optimizes arc performance.
You should set it for DC polarity. The provided shielding gas helps to keep stable in the rough weather condition, especially in the windy weather. This gas consists of argon or carbon dioxide.
Sometimes the combination of carbon dioxide and argon is used as a shielding gas. The approximate ratio of argon is 75 to 80 and carbon 20 to 25.
The molted metals are highly reactive to nitrogen, hydrogen, oxygen from the external atmosphere. The inert gas helps to protect the sheet metal from foreign attack and prevents porosity actively.
If you can complete the entire task correctly, you will get an eye-catching appearance. That’s why MIG welding is one of the most popular methods of metal joining. And the maximum welders like to apply this technique widely.
What is the Flux core Welder?
In the flux core welding process you should use internal gas shielding. You never require external gas shielding support. It can endure a massive level of breeze.
The arc is quite forceful but causes spatter. It encloses a slag. After finishing the task, you should remove the cover.
MIG machines using tips and techniques:
1. Required volt:
For a small duty project, you can use 110 to 115 volts. For the common range task, 120 V is sufficient enough. For the heavier duty, you can use 220 to 230 volts. Read our best 220v MIG welder article to pick the best one.
2. Gauge thickness:
The gauge should be 24 – 12 gauge. The smallest wire size should be at least .o25 inches.
3. Applying areas of MIG machines:
It has a massive number of working sectors. You can use the device on alloy steel, carbon steel, stainless steel and it is an excellent item for welding aluminum steel.
Flux Core using tips and techniques:
1. This is only recommended or thinner materials. Its range should be 20 to 24 inches.
2. The wire size should be .025 to .035 inches
3. The recommended volt limit is 115 volts 230 volts.
4. Applying areas of FC wire welding:
It is an excellent method for mild steel function. This is a useful machine to fix the affected harvest machine. Also, you can use it on various kinds of material.
Benefits and drawbacks:
Both of these two methods have a lot of benefits as well as demerits too. Below, I am presenting the most common pros and cons of these methods.
Advantages that come from MIG welding:
1. This is an ideal system if you have to emphasize on appearance. Cause, it gives less spatter, and the arc is pretty soft.
2. It can clean up very quickly.
3. This is the easiest method and fairly beginner-friendly.
4. The set-up process, maintenance and storage, and the entire operation are quite comfortable and cost-effective.
Disadvantages that come from MIG welding:
1. It requires a couple of additional tools for example regulator, a hose, electric valve, flow meter, etc.
2. This can contaminate the surface area.
3. Not a good option for thicker items.
Advantages that come from Flux Core welding:
1. It provides a self-shielded facility. As a result, you do not need any external gas shielding support.
2. Also, you do not require additional equipment.
3. Comparatively, the item is more portable than other welding tools.
4. This is highly stable under rough atmospheric conditions.
5. It is an ideal item for welding thicker pieces.
6. The set-up is straightforward.
Disadvantages that come from Flux Core welding:
1. This is not fit for thinner materials. It cannot weld the materials under 20 gauges.
2. The knob position can affect the entire work.
3. Gun positioning is a bit critical
Tips to choose the perfect wire:
This is another concerning tips for the new users. They should learn the diameter of the proper electrode.
A. For 110 volts to 115 volts the wire`s diameter should be .025 inches
B. For 120 volts it should be .030 inches.
C. If the voltage limit is 220 to 230 volts, then the diameter has to at least .035 inches.
Lincoln Electric is a high-quality welder. You will find TIG welders, MIG welders, Stick welders, and multi-process welders within this brand. And you will often get surprisingly affordable prices.
Dual shield welding:
Dual shield welding is a process where an arc is used between the weld pool and a consumable electrode created from the metal shields. This process is called dual shielding welding. Because two layers of this dual shielding are provided to the weld during the process.
A gasless MIG welder provides excellent penetration. And it offers impressive strength. However, this welder depends on the technique and machine used for that purpose.
Solid wire welder:
Solid wire welders are used in Metal Inert Gas Welding. Such electrodes require a shielding gas. It is delivered from a pressurized gas bottle. This shielding gas protects the molten pool from atmospheric contaminants.
Whatever your method is, select the right quality machine. Utilize the device properly. Always follow manual instructions.
After completing the task never forget to clean the workplace. Also, clean the machine regularly and maintain it correctly.