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Comparison Dnipro-M BG-20L 200 mm
LED light
vs Bosch GBG 60-20 Professional 200 mm / 600 W

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Dnipro-M BG-20L 200 mm LED light
Bosch GBG 60-20 Professional 200 mm / 600 W
Dnipro-M BG-20L 200 mm
LED light
Bosch GBG 60-20 Professional 200 mm / 600 W
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Machinebench grinderbench grinder
Specs
Rotation modules22
Location of rotation modulescoaxiallycoaxially
Work partdiskdisk
Voltage230 V230 V
Motor power350 W600 W
Sharpening
universal
universal
Dry processing
Disc diameter200 mm200 mm
Bore diameter32 mm32 mm
Disc thickness20 mm25 mm
Disc speed2950 rpm3000 rpm
General
LED light
Dimensions370x230x260 mm
Weight9.2 kg15 kg
Added to E-Catalogseptember 2018january 2018

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.

Disc thickness

The thickness of the "dry" blade (see "Dry Machining") for which the machine is designed. Usually, we are talking about the maximum thickness of the disc that can fit on the seat — most models allow the use of thinner nozzles.

Note that this parameter depends on the type of sharpening (see above): working with chains and saw blades involves a small thickness of the discs, universal sharpening is the opposite. And for grinding models, the thickness of the disc is not relevant at all, even if the disc is provided in the design; see "Machine" for details.

Disc speed

The nominal speed of rotation of the disk for dry processing (see above), provided by the machine; for models with adjustable rotation (see below), the maximum rotation speed.

For the same disc diameter and material, a higher speed provides more intensive processing, and a slower rotation contributes to accuracy and precision. In addition, optimal speeds depend on the composition of the disc and the material being processed; detailed recommendations with specific figures for a particular situation can be found in special sources.

A separate category is grinding machines with disk-shaped working elements: in such units, the actual speed of movement of the disk surface relative to the workpiece depends on how close the contact point is to the centre of the disk.

LED light

The presence of its own illumination in the design of the machine. Usually, such a system takes the form of a lamp attached to the body with a flexible leg. It allows you to brightly illuminate the work area, which is important not only at dusk or darkness, but even in daylight (protective covers and other parts can greatly obscure the working element of the machine).
Bosch GBG 60-20 Professional often compared