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Comparison Vorskla PMZ 1200/13-16 vs Vorskla PMZ 900-16

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Vorskla PMZ 1200/13-16
Vorskla PMZ 900-16
Vorskla PMZ 1200/13-16Vorskla PMZ 900-16
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Typeverticalvertical
Transmissionbeltbelt
Controlmanualmanual
Specs
Power consumption1200 W900 W
Number of speeds95
Min. rotational speed280 rpm580 rpm
Max. rotational speed2650 rpm2650 rpm
Max. spindle travel55 mm50 mm
Chuck
Chuck type
key /2/
key
Chuck diameter
16 mm /13 mm/
16 mm
Features
Functions
base incline
base incline
Power supply
Power sourcemainsmains
Supply voltage230 V230 V
More features
Weight21 kg17 kg
Added to E-Catalogmarch 2019june 2016

Power consumption

Rated power consumption of the machine. In this case, the total power consumption of the machine is indicated, which, as a rule, is equal to the power of the main engine responsible for rotating the spindle. The design may also include other motors - for example, for automatic feeding (see “Control”) or coolant pumping (see “Functions”) - they are also taken into account. The “gluttony” of such motors is relatively low for low-power machines, and the power of the main engine is one of the main characteristics for any machine: it determines the class of the unit and its general capabilities.

A more powerful motor allows you to drill at higher speeds (which reduces drilling time) and/or with higher torque (important for hard materials and large size drills/bits). Accordingly, the more powerful the machine, the more advanced, as a rule, it is, the more opportunities are available when working with it. The downside of this is that with increasing power, the dimensions, weight, price and, accordingly, energy consumption of the unit increase. Therefore, you need to choose based on this indicator taking into account the work for which the machine is purchased. So, for simple tasks (for example, a home workshop, where you plan to work only from time to time), a power of about 300 - 600 W is quite sufficient, for daily use in relatively “light” production (for example, furniture) - from 600 W to 1 kW, but for large metal parts, models fro...m 1 kW and above are recommended. We also note that, in addition to power, you should also focus on the maximum drilling size (see below).

Number of speeds

The number of spindle speeds provided in the design of the machine.

The more speeds(with the same difference between the minimum and maximum number of revolutions, see below) — the more options the operator has to choose the operating mode and the more accurately the machine can be adjusted to the specifics of a particular task. However the specific values of fixed speeds, even for similar models, may be different; but most of the time the difference is not significant. In addition, multi-speed machines can be supplemented with smooth speed control (see "Functions"), which allows you to fine-tune the operating mode even more precisely.

Note that switching speeds can be done in different ways: in some models this is done literally at the touch of a button, in others you need to delve into the gearbox or belt drive.

Min. rotational speed

The lowest spindle speed provided by the drilling machine.

Note that this parameter is indicated only for models with more than one speed (see "Number of speeds") and/or speed control (see "Functions") — that is, if the speed can be changed one way or another. See “Maximum number of revolutions"; here we note that the ability to work at low speeds in some cases is critical — for example, when threading. Accordingly, the lower the minimum speed, the better the machine is suitable for such work, other things being equal. The most "slow" modern models are able to rotate at a speed of 30 – 40 rpm.

Max. spindle travel

The greatest distance that the spindle (quill) can lower from its original position. Theoretically, this is the maximum drilling depth that the machine can theoretically provide; in fact, this moment also depends on the size of the drill and the characteristics of the material. In addition, we note that manufacturers usually choose the stroke of the quill taking into account the general class and purpose of the machine; so this moment is rarely critical when choosing.
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