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How to choose a circular saw?

Once upon a time disc circular saw was only a stationary tool, which is actively used in the wood, now offers a wide variety of compact portable circular saws suitable for domestic use. With their help you can easily sawed plywood, wood, chipboard, MDF, OSB, and various other materials (for working with stone and metal need more power, circular saws for these purposes are rarely used, but some models can handle solids present). This tool is often used during the repair and construction works, if it is necessary to make a cut in a straight line.

How to choose a circular saw?

If you want to buy a circular saw, then let us look at the features of different models and criteria for their selection.

What parameters should look for when choosing a circular saw?

Manufacturers now offer a huge number of different models for different purposes and with different features. Not experienced masters can be difficult to determine the order, what characteristics should have good circular saw. Therefore, we consider all the main technical parameters that affect the performance quality of the tool.

Power

Of course, the more powerful the motor, the more stable will run a saw, it can quickly cut the material, as well as longer time of its continuous operation. Power distinguish 3 classes of devices:

  • Up to 800 Watt-household
  • .
  • From 800 to 1200 W-the average class of devices are also suitable for domestic use, if you want to cut it more durable and thick sheets
  • .
  • More than 1200 Watt-suitable for industrial use, as will easily be able to cut thick materials and well with continuous operation and heavy loads
  • .
How to choose a circular saw?

Disc diameter

The diameter of the blade-this is one of the most important parameters of disk circular saw. Depend on it other technical parameters of the device. The larger the drive, the more powerful the engine needs more torque, more reliable stabilization system, and the more and more difficult to be a tool. Also disc magnitude affects the thickness of the cutting material. The larger the drive, the more massive and thick material can handle a saw.

Depth of cut

In addition to the diameter of the sawing disc, you need to know about the maximum depth of cut. This characteristic indicates the manufacturer always. Under this option, all saws can also be divided into several groups:

  • Lightweight class (from 40 to 50 mm)-designed to work with thin sheet materials
  • .
  • The middle class (50 to 65 mm)-these devices are considered the most versatile. They can be used to perform a variety of tasks.
  • Heavy class (from 65 to 140 mm)-these machines are often impressive dimensions, and they are also more powerful than the others, so actively used in a professional environment
  • .

Drive Speed ​​

This figure is no less important than the others. On the speed of movement of the blade depends on the purity of the cut. The higher the speed, the more dense materials can operate this saw. In domestic models, this figure does not usually exceed 1500-4500 rev/min. Have a professional, he is from 2000 to 9000 rev/min.

It is also necessary to take into account the speed, as it affects the temperature at high speed cutting material can become very hot, which is not suitable for all materials. For example, the plastic may start to melt. Therefore, the ideal option would be a tool with the ability to adjust the idle speed.

How to choose a circular saw?

Power

All the saws can be divided into 2 groups, those that are powered by the mains, and those that operate on batteries. If the first linked to the outlet, the second mobile and can be used in conditions where there is no access to electricity, for example, at their summer cottage or in the construction of a country house. And many modern devices have a very capacious battery, which lasts for quite a long job. Therefore, if you need mobility and autonomy The rechargeable circular saw-great

.

Advanced Settings, about which we should not forget

Most modern models of circular saws often have a variety of additional options and features. As a rule, these smart electronic systems used to improve the safety and productivity of the operator. they also contribute to an increase in tool life.

Special Functions

There are several basic most useful features that will be useful in the process:

  • Soft start -This feature will help to prevent a sharp tug when the tool at the beginning of the work, it allows the engine to save unnecessary stress, which increases blade life
  • .
  • Function constant speed-This option is necessary in order to prevent possible jamming of the drive, as well as helps to ensure a clean cut
  • .
  • Adjust idling speed -a very useful feature that allows you to choose the optimum operating conditions for different materials
  • .
  • Engine brake -with its help protects the operator from possible injury and the instrument from kickback. This feature also allows you to while working to prevent damage to the material.
  • Overload protection -if the saw is running at the limit, the system will automatically shut down the instrument, protecting it from overload. This is a very useful option, which extends the service life of the saw and minimizes breakage and failure risks.
How to choose a circular saw?

support platform

Before you buy a circular saw, a look at the supporting tool plate. From it depends largely on the functionality of each model, as there are installed mechanical fastening and adjustment of the optional elements. Quality and reliable platform is considered, which are made by casting of light metal alloys. They are durable and very well retain their geometry, are not damaged and are not deformed. Also well proven thickened pad made of pressed steel. They are resistant to impact from accidental impact such a platform is not cracked. Also, the base plate is a special mechanism for setting the depth of cut. Remember that when working with a tool such as a circular saw, it is important that all the elements on the reference platform was securely fastened, no backlash should not be. It affects not only the quality of work, but also the safety of the operator.

angle adjustment cut

Circular saws can cut the material at an angle which is adjustable by changing the position with respect to the support platform and the top of the saw blade, in particular. The angle of inclination may be different: 30 °, 45 °, and for some models, it can be even up to 50-55 °. Choose the device should be given, for what purpose you will use the saw and what angle you need while working.

Parallel guide and bus

All saws have special parallel guide, which provides smooth and high-quality sawing straight. Also, for maximum precision and accuracy of cutting it is recommended to use the guide rail. Note that the tire is purchased separately (often manufacturers make universal tires, so it can go option and from another manufacturer, is not that someone saw you use). On the bottom should be a groove for mounting tires. If you need to work "with hands" for road marking, it is important to accurately control the line of cut, for that on the base plate make extra slit aperture.

Design and Ergonomics

Circular Saw-a tool manually, so it is important to have a thoughtful, competent design and comfortable shape. Depending on the location of the handle convenience, its shape and design will depend on the quality of work, the speed and performance of the master. And the manufacturers are paying a lot of attention, some companies now even offer special tools for left-handers.

How to choose a circular saw?

As we have said is very important shape and arrangement of the arms. Of course, for each individual requirements and preferences are individual. Very well, if the handle has a rubberized coating. This makes the retention of the most reliable, the master will be easy to control tool for sawing sheet.

Also, no harm will pay attention to the power cord entry place. Users often cut the power supply cable when it is directed straight back, it is not always convenient. Also important is the cord length is optimal-4 meters. This will be enough for comfortable work, or have to constantly tinker with the extension.

Remember that the choice of circular saw-a very responsible task. And this issue should be approached carefully, it is important to determine in advance the load and the purpose for which you use the tool. This will help make the right choice. In addition, you can always turn to our store managers, and they will help you buy a circular saw in Kiev, Odessa and Kharkiv.

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