Motor power
Rated power of the electric motor of the machine. The more powerful the engine, the higher the speed and intensity of processing can be, the larger discs can be used with the machine and the better it is suitable for working with hard, stubborn materials. On the other hand, a powerful motor consumes a lot of energy (which may require special connection — see "Power") and significantly affects the dimensions, weight and price of the entire unit. Therefore, manufacturers choose this parameter based on the type (see "Machine") and the desired characteristics of speed, productivity, etc. In fact, this means that engine power is rather a secondary parameter, and when choosing, it makes sense to pay attention to more practical points — disk diameter, rotation / movement speed, etc.
Maximum chain sharpening angle
The presence in the design of the machine of a mechanism for changing the placement of the chain relative to the grinding disk. The sharpening angle of the saw chain largely depends on the main purpose of the tool: for transverse or longitudinal sawing. Since the resistance of wood is always noticeably higher during longitudinal sawing, the edge of the tooth must also be very sharp. Knowing the maximum value of the sharpening angle will be very useful before buying a grinder.
Bore diameter
The bore diameter of the dry cutting discs (see above) used by the machine. In order for the nozzle to be used normally with the machine, it must match it not only in diameter and thickness (see the relevant paragraphs), but also in the size of the mounting hole.
