Hot to cut metal with different saws

sawsTo cut metal and more particularly the steel profiles, different tools can be used. I present here the main ones with their advantages and disadvantages and especially a comparison of the quality of the cuts.

preamble: there are of course other tools to cut the metal but as usual, I speak only of what I have in my possession and so that I could test to give you a real opinion and not an “I heard that”.

The classic grinder

We start off with the tool that every handyman has at home? The small grinder, usually with 125 diameter discs. Found in wired between 50 and 100 $  for models generally under 1000W (more powerful grinders will be more expensive).

Having recently burned my recent grinder (asking him too much?), I have an old model here but it works just as well

Advantages:

its weight and size, which allows it great maneuverability (there are also very flat models for grinding in tight spaces)
a single tool for cutting metal and grinding welds
low cost, especially since it is often a tool that we have already

disadvantages:

quality of unspecific cuts and tending to bluish the metal
not suitable for small jobs requiring high precision
difficult to make repeated cuts.
cutting quality:

As said above, the quality of cut is very average. (nb: there are finer discs that allow a relatively more precise/clean work)

The Chainsaw

We pass a notch above with the chainsaw. The concept is the same as the grinder but we work here in stationery with much larger discs.

Advantages:

stationary work
ability to maintain parts
angular guide
greater cutting capacity
the possibility of making repeated cuts by manufacturing a guide and a stop system.
cleaner cut than the manual grinder
disadvantages:

its price: 2 to 3 times more expensive than a small grinder
not suitable for small jobs requiring high precision
cutting quality:

As can be seen in the picture, the quality of cut is much better than on the small manual grinder. Nevertheless, there are still areas of blued metal.

Advantages:

can be used in stationary work (by fixing the saw on a worktop)
very high cutting accuracy
ultra-clean cut with no effect on metal
Allows to easily make any angle
Suitable for small parts and work requiring precision

disadvantages:

its price: 4 to 5 times more expensive than a small grinder
low cutting height (depending on model and in comparison with a metal chainsaw)
cutting quality:

The Table Saw

Cutting steel with the top rated table saws is the easiest method out of all these.

Advantages:

very smooth to cut

easy to operate

fairly safe if you know what you’re doing

Disadvantages:

most expensive of them all

can be hard to setup and dusty

Characteristics of table saws that you must consider

saw bladeIn general, the circular saw is installed under the table, so it is able to split the wood panels. It may even be able to cut metals, but it will depend on the types of metals you are going to use.

Blade: the size of the blade is variable because its diameter can be between 200 and 400mm accompanied by steel teeth. Depending on the type of material and the height of the material to be cut, you can choose the blade according to its use. According to standards, the blade must be surrounded by a protective cover which acts as a protector.

Table: There are two table characteristics, the cast iron table, and the aluminum table. The size of the saw is according to the model because the dimensions for small models are between 60 x 30 cm and large 80 x 70 cm. In any case, from the technical point of view, the work surface is always proportional to its accessories.

Power: so that you can work properly, it is obvious that you will need power. The power of table saws ranges from about 1,000 to 4,000 watts. In addition, the device can be in mono or three-phase mode. The machine can be adapted to your needs. A good table saw for woodworking will be powerful enough to cut through most types of wood.

Weight: like the other characteristics, the weight can be as variable, but must also be proportional to the power, as well as to the different structural materials of your table.

The miter saw: it is useful to reverse the position of the saw to use it on the top of the particular. Its role is therefore quite independent. In addition, it is also useful for miter cuts which are in particular cuts between 0 and 90 degrees relative to the piece of wood. Starting from this fact, the table must, therefore, be equipped with a rotating and graduated plate.