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Comparison Makita BO5031K vs Metabo SXE 3150 600444000

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Makita BO5031K
Metabo SXE 3150 600444000
Makita BO5031KMetabo SXE 3150 600444000
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Specs
Real power140 W
Power consumption300 W310 W
Rotation speed4000 – 12000 rpm4000 – 12000 rpm
Max. disc diameter125 mm150 mm
Oscillation speed8000 – 24000 opm8000 – 24000 opm
Oscillation amplitude2.8 mm3 mm
More features
speed controller
dust collector connection
speed controller
dust collector connection
In box
case (bag)
dust collector
 
dust collector
General
Power sourcemains (230 V)mains (230 V)
Noise level80 dB91 dB
Power cord length2 m4 m
Weight1.3 kg1.6 kg
Added to E-Catalogapril 2016june 2015

Real power

Power delivered during work directly to the working nozzle. High power, on the one hand, contributes to performance, on the other hand, it significantly affects the dimensions, weight and price. Therefore, it is worth choosing a tool for this parameter, taking into account the specifics of the planned work; recommendations on specific power values for different types of work can be found in special sources.

Power consumption

The power consumed by the grinder during operation. Usually more than the output (useful) power (see above) due to losses during the conversion of energy from electrical to mechanical. However, the general patterns in this case are the same: a more powerful tool, on the one hand, is usually more performant, on the other hand, it is heavier, larger and more expensive. In addition, the total electricity consumption depends on this indicator; however, grinders, even the most powerful ones, consume relatively little energy, and difficulties can arise only when connecting a high-performance professional tool to weak electrical wiring.

Note that it is much easier to determine the consumed power than the useful one; therefore, only this parameter is often indicated in the characteristics, without specifying the useful power. In general, it is quite possible to compare grinders of the same type using it (see above): a modern tool has approximately the same efficiency, and in most cases the useful power values bare related in the same way as the consumed values.

Max. disc diameter

The maximum disc size that can be installed in a grinder of the appropriate design (see “Type”). Most models are capable of working with nozzles of smaller diameter, but a rim that is too large simply will not fit on the tool due to size limitations.

The larger the disc, the larger the processing area and the depth of cut provided by the grinder. On the other hand, rotating a larger attachment requires corresponding power, which, in turn, affects the price, dimensions and weight of the entire tool. So you should choose according to this parameter taking into account the specific tasks for which you plan to use the machine. Detailed recommendations on this matter can be found in special sources; Here we note that discs are conventionally divided into small (up to 125 mm), medium (up to 230 mm) and large (230 mm or more).

Oscillation amplitude

The amplitude of oscillations made during the operation of the nozzle of an eccentric, vibration or delta grinding type machine (see above). Along with the frequency (see above), it is one of the most important indicators of such machines. Higher amplitude provides more intensive processing, which has a positive effect on performance; on the other hand, for delicate work, it is desirable to have a small oscillation amplitude(less than 2 mm).

In box

Additional handle. Separate handle for a second hand. Theoretically, such equipment could make the instrument more comfortable to hold with two hands. However, in fact, the absence of an additional handle is often not critical: many tools without it are either intended to be held in one hand (like some straight grinders, see "Type"), or have other adaptations for a second hand (for example, a ledge on the body). So to answer the question of whether you need an additional handle, you need to take into account the type and size of the grinder, as well as the features of the planned work. Also note that by default such a handle is designed for right-handers, and the possibility of its use with left-handed holding should be specified separately.

Charger(charger). A device for charging the battery in a grinder with the appropriate type of power supply (see "Power supply"). Also in this paragraph, a specific model of the charger is usually specified. In itself, the presence of a "charger" in the kit eliminates the need to look for and buy it separately; at the same time, such a charger is optimally suited to at least the “native” battery, and often also to other compatible batteries. And data on the model will be useful, first of all, in case the complete charger is lost or fails and you have to buy the same or similar one instead. In addition, knowing the charger model, you can find detailed data abo...ut it and evaluate its characteristics and features (compatibility with various batteries, additional functions, etc.). At the same time , the “without charger” package is also very popular — see below for more on it.

— No charger. This feature is indicated exclusively for battery models (cars with other types of power supply — see "Power Source" — by definition do not have a charger, there is no need to specify this point for them). The meaning of this configuration is that modern grinders most often use standard batteries, which are also suitable for other power tools of the same brand and are designed, respectively, for standard “chargers”. Thus, if the "household" already has a battery tool, then the charger for it may be suitable for the grinder, you will not need to overpay for the second copy of the charger. And even if the charger is not available, usually, it can be purchased separately without much difficulty (moreover, some tools also allow you to choose the most suitable model of such a device from several options).

Case / bag included. The presence of a case or bag for storing and transporting the tool. The case is a suitcase and is made of durable material, usually there is a place not only for the machine itself, but also for working attachments and other additional accessories. The bag is soft, which allows it to be compactly folded when there is no need for it. Check the availability of a case or bag immediately before buying.

Dust collector. Container for collecting dust and other contaminants that occur during operation. See "Advanced — Connecting the dust box" for details.

Barbell. A long rod significantly expands the "radius" of the tool: with such equipment, you can reach a great height, process a large area without rearranging the platform or other stand, etc. Such features are relevant primarily when processing walls, so the vast majority of grinders with rods in the kit are wall grinders(see "Type").

Noise level

Approximate noise level generated by the grinder during operation. Note that this indicator is quite approximate, because. actual "loudness" can vary markedly depending on the type and shape of the material being processed, the surface it is placed on, and other circumstances. In addition, different manufacturers may use different measurement methods. Nevertheless, this indicator makes it possible to assess how comfortable this or that model is in operation and whether special hearing protection is required.

The most “quiet” modern grinders give out about 65 dB — this is comparable to loud speech at a distance of 1 m; in the loudest, the noise level reaches 107 dB — this is the volume of an industrial workshop.

Power cord length

The length of the network cable can tell you how far from the outlet you can operate the device. Therefore, for domestic use, it is more relevant to choose models with a short cord, for construction work or use in production, in the garage a longer cable is better.

Weight

The total weight of the grinder; for battery models (see "Power Source"), usually, it is indicated without taking into account the battery.

This indicator has two meanings. On the one hand, light weight has a positive effect on manoeuvrability and reduces fatigue during work — especially when processing vertical surfaces and ceilings, as well as in other situations where the tool has to be held on weight. On the other hand, for grinders with a vibrational principle of operation (see "Type"), used for processing horizontal surfaces, a significant weight is considered optimal: it allows the tool to fit closer to the material being processed, and also contributes to stability and retention. So when choosing such a model by weight, it is worth considering the features of its intended application.
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