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A track saw (circular saw) – a reliable tool for efficient work

Modern circular saw blades are represented by a fairly wide range of products on the market. They work perfectly with different types of wood, have attractive prices, and a high level of quality. Recently, new models of track saw guide have been released, focused only on specific types of work. In order not to get confused and choose only the right models inexpensively, let’s consider how they differ and what are their strengths.

Circular saw advantages

Why do many people prefer these particular disc instruments? They have a lot of positive aspects, for which they are appreciated by professionals.

  1. The circular saw cut wood very quickly and copes well with large volumes.
  2. Carries out an even and accurate cut along a given path.
  3. Hand-held circular instruments are compact and lightweight. They can be moved to a more convenient place if needed.
  4. Since the circular saw operates from the mains, it does not emit harmful emissions, has no contraindications for work. The circular device can be operated even in rooms without ventilation.
  5. Such circular devices do not generate a lot of noise. They are easy to use. They have a long service life and high performance.

The cost of these disk tools is reasonable. Circular saws are inexpensive. But stationary counterparts have a slightly higher price.

The main types and characteristics of the electric saw

When choosing a circular saw, the number of teeth matters. It is this parameter that will determine which material can be most effectively interacted with with a circular saw. Models are distinguished regarding this characteristic:

  1. 50 teeth. This model is also called combined flat. This circular is sold in many stores in Ukraine (Kiev and other cities). It is chosen because this model combines 40 beveled teeth (for cutting across) and 10 flat (for longitudinal cutting). The circular teeth are arranged in blocks of five. Such models are quite convenient, as they carry out an even cut of different types of wood.
  2. 40 teeth. The universal circular saw of this model perfectly copes not only with ripping, but also with cross-cutting of materials. This circular saw leaves virtually no chips when working with plywood. You can easily buy this device. The models of circular saws from different manufacturers will differ in price, but in terms of work, they are all about the same.
  3. More than 60 teeth. These circular tools are made exclusively for cutting across the grain. The teeth here are shaped like an even triangle. Typically, this type of circular saw has between 60 and about 100 teeth.
  4. Less than 40 teeth. These circular saw models are exclusively longitudinal. They can have from 10 to 40 teeth with large sinuses between them. This allows for better removal of chips and debris during operation.

An important indicator is how many teeth in the circular saw simultaneously cut. If the indicator ranges from five to seven, then the disc tools will create a clean and even cut. But they also heat up faster. For thick, durable materials, use circular saws with three teeth simultaneously working.

The shape of the teeth of the circular tool, their sharpening features and the degree of inclination matter. All this will affect the cut. As you can see, there are various combinations for a particular case.

The angle of inclination of the circular teeth can be positive or negative. The higher the positive slope, the faster and faster the tool will run. It doesn’t take much effort to use. With a small positive angle of inclination of the teeth, circular saws cut more accurately and efficiently. There are special model markings for this characteristic.

  1. FTG. This version of the circular saw is used for longitudinal work, where the speed is important and overheating of the blade is harmful.
  2. ATB. The bevel angle in this case may vary. This circular saw makes it possible to make a fast and high-quality cut in a short period of time. However, the disc endurance is not the highest.
  3. Hi-ATB. A circular saw is used to work with chipboard, laminate and other similar materials. Also suitable for plywood or wood that may chip. The angle of inclination of the teeth is from 30 to 40 degrees.
  4. ATB / R. Combined options, when one circular saw has teeth for two types of sawing (lengthwise and across).
  5. TCG. This is where the teeth alternate in size in the circular saw. This is a high and low flat option. Suitable for cutting MDF, for example. They have high endurance.

With regard to the design, there are tabletop and hand-held circular models. The latter are more compact and lightweight. They are easy to transport and are often in the arsenal of DIYers. And stationary circular saws are used in industries when working with durable wood of large volumes.

An important parameter will be the coverage of the circular saw. Many manufacturers create different coatings that are designed to protect the circular disc from overheating, prevent it from rusting, help with cleaning, etc. The most common saw blade coatings are nickel, teflon, and aluminum (alloy).

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