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Comparison Jet JDP-10L vs Einhell Blue BT-BD 701

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Jet JDP-10L
Einhell Blue BT-BD 701
Jet JDP-10LEinhell Blue BT-BD 701
from $226.40 up to $261.20
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from $275.96
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Typeverticalvertical
Transmissionbeltbelt
Controlmanualmanual
Specs
Power consumption450 W630 W
Number of speeds1212
Min. rotational speed220 rpm220 rpm
Max. rotational speed2450 rpm2450 rpm
Max. spindle swing126 mm126 mm
Max. spindle travel60 mm60 mm
Column diameter60 mm
Work table dimensions195x200 mm195x200 mm
Base dimensions230x350 mm
Chuck
Chuck typeMorse taper and keykey
Morse taperMK2
Chuck diameter16 mm16 mm
Features
Functions
base incline
base incline
Power supply
Power sourcemainsmains
Supply voltage230 V230 V
More features
Dimensions300x820x530 mm
Weight38 kg33.5 kg
Added to E-Catalogjune 2016june 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).

Column diameter

The diameter of the support column used in the machine. In fact, it is a purely reference indicator that does not play a special role in the normal use of the unit; data on the diameter of the column may be needed only for specific tasks such as repair and maintenance.

Base dimensions

The dimensions of the base of the machine — the platform, thanks to which it is able to stand steadily on the floor or workbench. This indicator allows you to estimate how much free space is needed to accommodate the unit. More powerful, larger and, accordingly, heavier machines have a larger base diameter.

Chuck type

The type of chuck — a clamp for installing drills and other working nozzles — used in the machine.

Key. Chuck opened and closed with a special key. Also known as "gear" or "ring gear" because the wrench works like a gear. It is used to secure drills with a cylindrical shank; for this, the design has cams (usually three) that converge when closing and diverging to remove the drill. The cam clamp itself is quite versatile and is able to work with any drill or other attachment that has a round shank (regardless of its additional features). For example, even nozzles with a Weldon shank are sometimes put in such a cartridge (see below). Specifically, the key cartridge is considered somewhat more reliable than the quick-clamping one similar in principle; its main drawback lies directly in the use of the key, which can be lost. In addition, the replacement itself takes a lot of time.

Quick release. A chuck for cylindrical shanks, the design of the clamp is completely similar to the key (see above). The main difference is that the keyless chuck is opened and closed by hand, without the use of any special tools. Due to this, changing drills takes much less time (hence the name), and in general, working with such a cartridge is easier than with a key one. It is considered the best choice for those cases where you need to change drills frequently. The disadvan...tage of keyless chucks is considered by some to be less reliable than key chucks; however, this may turn out to be critical only at very high loads, and for normal use, the capabilities of such a fastening are quite enough.

— Morse taper. Morse taper is a specific type of shank used in drills and other similar bits. Such a shank, in accordance with the name, has a conical shape — the socket in the cartridge is designed for it. At the end of the shank, there is most often a foot — a flat ledge, which, when installed, is fixed in the groove of the cartridge and does not allow the drill to turn. However, there are other options for retainers — for example, with a thread, when a special rod is screwed into the end of the cone during installation. In order to select compatible drills, it is imperative to know the design features of a particular Morse taper chuck. Also note that such fasteners are available in several standard sizes (see "Morse Taper").

— Weldon. The Weldon clamping system features a cylindrical shank with a flat, a small flat notch on one side. The chuck has a clamping screw, which, when tightened, rests against the flat and fixes the drill in the socket. A rather exotic type of fastening, which has not received much distribution in the post-Soviet space. This is partly due to the fact that the Weldon drill can be clamped in a regular shank chuck without much difficulty (although this is not particularly recommended, as it can lead to imbalance at high speeds). This type of chuck is mainly used in magnetic machines (see "Type") — and then most often in combination with another, more common type of fastening (for example, quick-clamping).

— collet. A cartridge that uses the same working principle as an automatic pencil. The role of the clamp is played by a round sleeve, divided into several springy petals; in the working position, they are compressed and fix the drill, and to open it, you need to pull the chuck casing up, and the petals will disperse. This way of working is not reliable enough for full-size drilling machines, but it is optimally suited for high-precision units using small diameter drills (up to 4 – 5 mm).

Note that several chucks can be supplied with a drilling machine at once, including those for different types of shanks (for example, Morse taper and key). The latter significantly expands the range of working nozzles available for the unit. At the same time, a specific combination of fasteners can be practically any — except that the key and keyless chuck are not supplied in one set, because. they are designed for the same type of shanks.

Morse taper

The size of the Morse taper chuck (see Chuck Type) that the drill is equipped with.

Morse tapers are available in several standard sizes. The most popular standard provides marking with the letters MK and a number — for example, MK2. The larger the number in the designation, the larger the diameter of the cone and, accordingly, the thicker the drills in which it is used. In modern drilling machines, chucks with sizes from MK1 to MK4 are usually used. But in fact, this parameter is necessary primarily for the selection of compatible drills.
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