First of all, it is necessary to determine that circular saw is Appropriate for a particular job, depending on the design of the tool there are:

  • Stationary – actually a system, which will be a saw mounted onto a framework. Requires free space in the workshop, and on occasion a separate room. Designed such a round saw for permanent processing of lumber, and in huge volumes.
  • Table – the preceding version in miniature, installed on another workbench or table, is also used for sawing a huge volume of timber, for instance, during the building of the bath.
  • Manual – a portable device, intended for processing workpieces in different planes. This is the most usual sort of round saw, but the least powerful of the clarified. When functioning, it needs periodic remainder, and can be utilized for sawing small amounts of material.

Hand-held tool is more flexible than static variants. It costs considerably more economical, but under certain conditions is able to deal with the exact actions, even with less efficiency. When picking it, you should be guided by the standards below.

Power

According to the type of power supply, circular electrical saws are divided into two classes:

  • Networked – they operate from a domestic electric network of 220 V. If we talk about professional machines, they need a lineup of 380 V. The drawback of the connection option – the necessity to have an electricity grid at the place of work, in addition to a hassle of operation due to the cable.
  • Cordless – work in standalone mode, also need the presence of a socket, but to charge the battery, therefore their radius of operation isn’t confined by anything. Depending on battery power, they could work on a single charge not over 50 minutes.

The second choice is sensible to purchase only if for any reason it’s not possible to use the mains observed. Form of work

Submersible saws come in handheld and stationary versions. Their difference lies in how the saw blade at the first position is over the workpiece, able to seep into its center. This allows you to begin cutting off not with the border of the material, cut holes.

Metal round saws are strong models which are equipped with stronger or abrasive disks. Capable of cutting sheet steel, plumbing, profiles. Some of them handle wood equally well.

The width of the disc directly depends on the ability of this saw’s electrical motor. The more powerful the tool, the bigger the disc it is ready to rotate, the more stable the rotation frequency of the latter, the more the duration of continuous operation, the less probable the wedge. In addition, powerful saws enable you to process more heavy material, but they also are heavier. Thus, as an instance, models at two kW generally weigh 7 kg, while 1.2 kilowatt – approximately 4 kg.

According to the energy gears can be broken as follows:

  • 0,8-1,2 kW – the instrument of average power, can cope with most household tasks.
  • More than 1,2 kW – gears for professional use.
  • The larger the width of the disk, the stronger the electrical motor needs to function, the heavier the workpieces the saw may work with. Seating diameter is just another parameter that decides whether a particular disc will match the chosen saw.

    At greater rates, less torque is needed for sawing, which means dense substance is easier to manage. Bear in mind that with higher RPM the temperature of the material at the place of moyakovka.ru touch with the saw increases, the same plastic or laminate requires less RPM. Ideally, it’s much better to pick a saw with adjustable speed.

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