What small wire welder should I buy for my shop
Below is a MRR and PLR article in category Home Family -> subcategory Hobbies.
Choosing the Right Small Wire Welder for Your Shop
Every month, thousands of hobbyists look to purchase a small MIG wire welder for their home shops. If you're among them, you might be wondering which one to get and why. Here are some key factors that can help guide your decision.
Key Considerations
When selecting a small wire welder, especially in the 110-volt range, it's important to focus on several factors: electrode choice, gas choice, duty cycle, input amperage, and total output amperage.
Electrode Choice
Most small welders come with flux-cored wire, which contains a shielding flux inside that eliminates the need for additional gas. However, these wires often don't perform well with the limited amperage of small hobby welders.
There are two types of flux-cored wire:
1. Flux-cored without gas
2. Flux-cored with gas
While flux-cored wires are known for their high penetration, they can be challenging to use, especially for beginners. Many hobbyists find their weld appearance unsatisfactory, and small welders often lack the duty cycle required for extended use of flux-cored wire.
If you decide to use flux-cored wire, consider these tips:
1. Increase your stickout: Maintain a 1/2" distance between the contact tip and the base metal to help the core flux melt properly.
2. Increase your voltage: Flux-cored wires prefer a longer arc length, and in welding, higher voltage equates to a longer arc length.
3. Use inline motions: Techniques like dragging or moving 1/8" forward and stopping repeatedly can maintain heat and prevent welding over deposited flux.
For many users, trying solid core wire (ER70S-6) with a 75/25 gas mix yields better results, often making them reluctant to return to flux-cored options.
Gas Choice
- CO2: The least expensive and most penetrating option but provides the poorest weld appearance.
- 75/25 Argon/CO2: More expensive than CO2, it offers good weld flow and appearance and is the most commonly used option.
- 92/8 Argon/CO2: The most expensive, providing excellent weld flow and appearance but with the least penetration, suitable for thin metals and auto body work.
Duty Cycle
The duty cycle indicates how long a machine can weld at a given amperage within a 10-minute period. For example, a 50% duty cycle at 60 amps means you can weld for 5 minutes out of every 10 at 60 amps.
Input Amperage
Ensure your power source can handle the welder's requirements. A dedicated circuit is recommended to avoid tripping breakers, especially when using 110-volt machines.
Total Output Amperage
Understand the limits of your welder. A 110-volt machine can only deliver a certain amount of amps based on its design and duty cycle.
Conclusion
While small wire feed welders have their place, they also have the highest return rate among welders. By considering the factors above, you'll be better equipped to decide if one belongs in your workshop.
Good luck in finding the perfect addition to your toolkit!
Staff - weldguru.com
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