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Drilling/milling machine SIEG SX3.5Z with electric drive for the Z-axis

Bargain: Former exhibition piece. This machine was NOT machined, it was only used for demonstration purposes! (Year of manufacture 2020)

Intended use

The SIEG SX3.5Z is a drilling/milling machine for use in the high-end hobby and semi-professional sector. Due to its versatile application possibilities, this machine is used in functional modelling, in individual and small series production or in prototype construction. The drilling/milling machine is designed for machining steel, cast iron, all non-ferrous metals, aluminium, brass, etc., but can also be used for machining plastics or similar materials that are not hazardous to health or generate dust.

Technical data

Drilling capacity max. [mm]: 28
Frequency [Hz]: 50
Gross weight [kg]: 180
Hole spacing for fastening the machine base [mm]: 360 / 250, 360 and 250
Machine base dimensions [mm]: 510 x 280
Machine dimensions (LxWxH) [mm]: 940 x 820 x 930
Max. distance between spindle and worktable [mm]: 350
Milling capacity cutter head (max.) [mm]: 50
Milling capacity finger cutter (max.) [mm]: 25
Motor power (P1) [W]: 1.250
Motor power (P2) [W]: 1.000
Net weight [kg]: 155
Number of T-slots: 3
Packaging dimensions (LxWxH) [mm]: 960 x 830 x 1,040
Projection [mm]: 210
Quill stroke [mm]: 78
Size of the T-slots [mm]: 12 (M10)
Spindle holder: SK30 (DIN 2080) / M12, SK30 / M12 (DIN 2080)
Spindle speed (high range) [rpm].: 280 - 5.000
Spindle speed (low range) [rpm].: 80 - 1.500
Steps Spindle speed: 2 - variable
T-slot spacing [mm]: 53
Table rotatable [°]: no
Table size [mm]: 740 x 180
Tapping capacity max. [mm]: 12
Voltage [V]: 230
WEEE reg. no.: EN 95902713
X-axis travel [mm]: 500
Y-axis travel [mm]: 200
Z-axis travel [mm]: 240 - 290 (adjustable), 240 - 290 adjustable

Brushless 230 volt motor

Dynamic control for high torque in all speed ranges

Speed range 80 to 5,000 rpm. (infinitely variable)

Cross table 740 Ă— 180 mm / tool holder SK30 (DIN 2080) / M12

Electric drive (via separate electric motor) for the Z-axis

Description of the

The SIEG SX3.5Z drilling/milling machine offers a wide range of applications. The machine is driven by a brushless DC motor with dynamic control. This control system ensures a high torque at all speeds. The speed range of the SX3.5Z is covered by two belt positions with different belt types. In the low speed range from 80 to 1,500 rpm, the work spindle is driven by a toothed belt, which ensures a slip-free drive.
In the high speed range from 280 to 5,000 rpm, the drive is provided by a (V-)ribbed belt. Due to their flexibility, V-ribbed belts are very smooth-running and low-vibration, even at high belt speeds. The spindle speed is infinitely variable in both speed ranges. The machine has a "thread-cutting function", which enables the direction of rotation of the spindle to be changed immediately at the touch of a button. The electric drive of the Z-axis of the SX3.5Z, which is powered by a separate electric motor, should be emphasised.
The height of the milling head is adjusted at the push of a button, not by cranking the handwheel. This makes it much easier to adjust the solid milling head upwards. The end positions of the milling head are defined by safety limit switches. The machine also has a fine feed, which can only be used to move the quill in the Z direction.
Z-direction. For drilling work, the quill is fed via the star grip on the side. The travel of the quill can be read on the digital drilling depth display. The work spindle has a user-friendly SK30 tool holder. The dovetail guides on the X, Y and Z axes can be adjusted backlash-free by means of wedge strips. The 740 x 180 mm worktable has three T-slots (12 mm / M10) for clamping workpieces or clamping devices. The worktable is adjusted in the X and Y
Y-axis is carried out using handwheels with verniers. These are made of anodised aluminium. There is a magnetic tool pad on the right-hand side of the Z-column.

Scope of delivery

  • 1 x SIEG SX3.5Z drilling/milling machine
  • 1 x Detailed operating instructions
  • 4 x Allen keys
  • 3 x open-end spanner
  • 2 x T-slot stone M10
  • 1 x Oil tube
  • 1 x spanner set for tool change
  • 1 x M12 tightening screw

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Information on the manufacturer (information obligations under the GPSR Product Safety Regulation)
Paulitschek Maschinen- und Warenvertriebsgesellschaft mbH
ZeppelinstraĂŸe 3
89231 Neu-Ulm, Deutschland
+49 731 23232
support@paulimot.de