CNC lathe

Konrad Seidler MINIMAXX 1800

For sale is a high-quality CNC carousel turning, boring, and milling center from the German manufacturer Konrad Seidler from Neuss – Holzheim, model: MINIMAX 1800, built in 2013.

The machine comes from a single owner and was used in a single-shift operation in our own production facility. After the commissioning of a new manufacturing solution, the machine was decommissioned, the spindle was renewed/overhauled, and the machine underwent a comprehensive service. Since then, it has been in operational condition but is no longer used in production.

The machine is in fully functional and ready-to-use condition. An inspection and a test run under power can be arranged at any time.

Of particular note is the extensive overhaul of the boring/milling spindle in 2025, which brought a significant wear component of the machine back to like-new condition technically. Investment costs: 36.5 TEUR. Documents available.

Highlights:
• Turning, boring, and milling center in one machine
• Year of manufacture: 2013
• Siemens 840D SL CNC control system
• SINAMICS 120 drive technology
• Tool changer with 16 stations
• HSK100 tool holder
• Rotary table load: 6,000 kg
• Rotary table speed: 5–500 rpm
• Milling spindle up to 6,000 rpm
• High-pressure coolant system: 30 bar
• Chip conveyor
• Walk-in work area
• Single owner
• Extensive documentation available
• Available for short-term delivery

In 2025, the installed Capellini high-performance spindle (HSK100, 6,000 rpm) was completely overhauled by a specialized company (Deuschle).

Excerpt of work performed:
• Measurement of all components on a measuring machine
• Replacement of precision bearings (FAG / SKF / GMN / NSK)
• Replacement of the HSK100 clamping system
• Replacement of Balluff sensors
• Refurbishment of the spindle shaft using laser welding and grinding
• Replacement of all wear parts
• Fine balancing according to ISO 1940
• System balancing of the complete spindle assembly
• Adjustment of bearing spacers
• Final inspection including test report

Technical data:

Control system: Siemens 840D SL
Drives: SINAMICS 120
Turning diameter: 500–1,270 mm
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Rotary table load: 6,000 kg
Rotary table speed: 5–500 rpm
Boring/milling spindle: 30 kW
Torque: 190 Nm
Boring/milling spindle speed: 2–2,500 rpm (max. 6,000 rpm)
Tool holder: HSK100
Tool changer: 16 tools
Coolant system: 6 bar / 30 bar high pressure
Chip conveyor: Cross conveyor, discharging to the left
Discharge height: 1,200 mm
Machine weight: approx. 22,000 kg
Enclosure: Double sliding door, walk-in work area

Documentation available:
• Operating manuals
• Installation manuals
• Electrical diagrams (partly)
• Documentation of machine components
• Documents for the control system
• Documents for the chip conveyor
• Other original documents from the commissioning

Sale ex works, excluding loading. The buyer organizes the crane and transport.

If you have any questions or need more information, please send us a message or call us.

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