Which welder should I use for domestic use?

Spark is not a typical piece of home workshop equipment, but it can not be hidden that if we come into possession of it, we will find many opportunities to use it. However, in order not to spend huge amounts on equipment, which we will not even be able to operate, it is worth knowing the models of welding machines that will actually be used in home conditions. We asked Emaks experts about what to do when choosing their first welder.

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Universal wrappers do not exist
Unfortunately, there is no one welding process suitable for all situations. For this reason, pay attention to the advantages and disadvantages of each welding machine. The most commonly used methods are: gas arc welding (MIG), gas arc welding (TIG) and arc welding (electrode). In order to evaluate the welding process most suitable for a given task, the following factors should be considered:
- type of material to be welded,
- material thickness,
- welding position,
- type of welding energy source and the amount of current available,
- time requirements.
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Here are some of the advantages of MIG welding:
- It's the easiest way to weld. With little practice, even a novice can achieve a nice weld.
- Allows welding of all non-precious metals - carbon steel, stainless steel and aluminum.
- Welding can take place in all positions, even those exceptional uncomfortable.
- There is no need to remove the stream because the cover is supplied by gas.

A power supply that provides DC reverse polarity (DCRP) for this welding method is recommended. In general, welders use a simple bias current, which means that the energy flow moves from the torch to the workpiece. In the case of MIG welding, such current provides the best arc transfer and smoother weld surface than in other types.

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The advantages of TIG welding are:
- Exact welding on thin materials is easy to make and also has less interference.
- Provides the highest quality work as well as very aesthetic welding beads.
- Allows the welder to adjust the heat input during welding using manual control.
- You can make a small hardening to obtain a mold and matrix.
- Welding of steel, aluminum and other metals with one gas - argon.
- There is no splash or stream.

The TIG power supply typically uses alternating current (AC) for aluminum or simple direct current polarization (DCSP) for steel, stainless steel and other alloys. Switchable AC / DC power modules are available to adapt them to various materials, e.g. http : //emaks.pl/spawanie/spawarki-tig.html
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Arc welding
His advantages include:
- It can be performed in any position and in a hard-to-reach place.
- Can be used outdoors because drafts do not affect the joint.
- Suitable for working with most materials.
- The cheapest option to start the adventure with welding.
- You can weld on dirty or rusty material.
- There are no special current requirements.
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What does the power issue look like?
The purchase price of the welding machine is not the exclusive cost that we will have to bear to start working with this device. We will need even welding accessories, but the most burdensome thing may be electricity consumption. One way to classify the "size" of welding energy sources is to measure how much electricity can be generated in a given work cycle. The work cycle is the number of minutes (from the 10-minute period) in which the welder can work.

For example, a Miller AC / DC welder (Shopmaster 200) can provide 200A AC with a 40% duty cycle. This means that it can be welded continuously at 200A for four minutes. It must cool down within the next six minutes to prevent overheating. However, the duty cycle and current intensity are inversely proportional. Reducing the current increases the duty cycle. Operating at 130A the same power supply has a 100% duty cycle, so it can weld continuously at this current level. Taking into account the duty cycle, it should be taken into account that thin metals require less amperage than the thicker ones.
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What size of the welder should you consider?
There is no universal welding power supply. Each unit has an effective working range. Here's a general summary that welders best suit your situation:
1. For light renovation works on steel, stainless steel and aluminum sheet metal with a thickness of not more than 5mm - MIG or TIG unit by 130A with 20 or 30 percent duty cycle can perform many required welding tasks.
2. For heavier repair or production work, consider a MIG or TIG device of at least 200A and a duty cycle of 40 percent or more. Remember that in this case we need to provide enough electricity to allow the first weld to pass properly, because it can not be made up in the later stages.

When deciding on a welder for home use, we do not have to spend a lot of money on it - all we need to think about is the role and tasks we want to achieve with it.

18/10/2017     artykuł sponsorowany

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Jonathan Ryan
Jonathan Ryan [https://gruporogu.com.mx/categoria-producto/soldadoras-lincoln/]
5 months ago
Thanks for sharing. I recommend a lincoln welder by GrupoRogu that is the best use for domestic.
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