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Milling 5A

KERN Microtechnik – Micro : High Precision CNC Machining Center for single-part and small series production

Manufacturer : KERN Microtechnik
Sectors : Aerospace, Industry, Automotive, Luxury, Medical

The Kern Micro is a new compact 3 or 5-axis vertical machining center offering full automation and nano range precision for single part and small series production.

The KERN Micro is no standard milling machine. It’s ultra-compact, perfectly automated, precise in the micro range and as flexible in terms of equipment and applications as you need it to be.

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Compact and productive — 24/7

Whether with 3 or 5 axes, KERN Micro is an ultra compact CNC machining center for fully automated production with minimal dimensional variance. It is capable of machining precision workpieces with a maximum height of 220mm and a maximum diameter of 350 mm.

Minimal waste with high process stability

KERN Micro is designed for maximum repeat accuracy and high Cpk values in unmanned production. Due to minimal waste and high process stability, much longer sampling intervals can be used during quality control, greatly reducing production costs.

Features and benefits at a glance

Compact and powerful

The KERN Micro’s one-box design means all individual units are integrated into the machine. Its large tool and workpiece capacity allows unmanned multi-shift operation without external attachments
— and with a footprint of only four square meters.

Optimized for your application

Thanks to its comprehensive equipment levels and options, the KERN Micro can be perfectly adapted to suit your requirements and applications. We drew on the vast combined experience of our in-house parts manufacturing operation and our customers when developing this machine. Even after delivery, we support you with process creation and production optimization.

Maximum productivity and precision

The proverbial KERN precision not only includes ultra-precise machining in the micrometer range, but also optimum repeatability with maximum productivity from the first part. A significantly lower rejection rate saves costs and is an important step on the way to optimized production.

Flexible and competitive

The KERN Micro is based on an agile technology platform that is continually evolving. You can benefit from these levels of evolution in the future through retrofits and updates, enabling you to keep your KERN Micro up to date in the long term and thus securing your competitiveness.

Large workpieces

The clever arrangement of the 4th and 5th axes enables large swivel ranges and optimal utilization of the working space. This makes it possible to process large workpieces up to 200 mm in height and 350 mm in diameter.


Linear axes

  • Traverse paths X/Y/Z: 350/220/250 mm
  • Max. clamping surface: Ø 350 mm
  • Max. workpiece weight: 50 kg
  • Traverse speed: 30 m/min
  • Acceleration: 10 m/s2

Rotary and swivel axes

  • Rotary axis: 360° continuous / 200 rpm
  • Swivel axis: 220° (opt. 280°) / 600°/s
  • Clamping swivel axis: 300 Nm

Spindle options

  • HSK 25: 35,000 rpm, 6 kW (S1)
  • HSK 25: 50,000 rpm, 6 kW (S1)
  • HSK 40: 42,000 rpm, 15 kW (S1)

Workpiece size

  • Height up to 200 mm
  • Diameter up to 350 mm

Tool changer

  • HSK 25: 20, 101 or 209 capacity
  • HSK 40: 18, 90 or 186 capacity
  • Max. tool diameter: 70 mm
  • Max. tool length: 150 mm
  • Chip-to-chip time: 4.5 s
  • Optional: Expansion with combined tool
  • and workpiece changer

Technical concept

  • Central cooling management with 0.2-K accuracy
  • One-box machine
  • 5-axis simultaneous machining
  • Heidenhain TNC 640 controller

Dimensions and weight

  • Weight: 6,100 kg
  • Min. space requirement W/D/H: 1.51 x 3.11 x 2.97 m



KERN Microtechnik

Precision in series ! CNC precision machining centres and high precision part production made in in Germany – since more than 50 years. Precision machines for μ-accurate machining CNC precision machining centres, developed and build in the Kern machine tool plant in Eschenlohe, deliver optimum results in the most demanding…

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