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Huron EX-C

Manufacturer: Huron Grafenstaden S.A.
Model: EX-C
Serial No.: 9407180
Year of manufacture: 1995
Retrofit: 2017, 2021, and 2022
General description
We are offering a Huron EX-C CNC milling machine – a robust and versatile solution for precision machining. In 2017, a comprehensive retrofit was carried out (complete renewal of the CNC control, control cabinet, drives, motors, Siemens 840D Solution Line), and in 2022, a new cooling unit from Schimpke was installed.

The EX-C is equipped with a C-axis and a rotary table, allowing flexible machining of complex geometries. In 2021, the machine’s geometry was further enhanced by renewing the guideways, carriages, and scrapers on the X/Y/Z axes. Circular interpolation and precise machining of tight-tolerance surfaces remain accurate and reliable.

Travel distances
X-axis (longitudinal travel): 2,400 mm
Y-axis (cross travel): 700 mm
Z-axis (vertical travel): 600 mm

Spindle
Taper: ISO 40
Tool clamping force: 12,000 N
Max. power: 25 kW
Spindle speed: 100 – 14,000 rpm
Max. torque: 256 Nm
Reference speed: 1,000 rpm

Head
Type: C working axis
B-axis: ±100°
Measuring increment, B-axis: 0.001°

Fixed table
Usable area: 1,200 × 600 mm
T-slots: 6
Width of reference slot: 18H8 mm
Width of other slots: 18H12 mm
Slot spacing: 100 mm
Permissible load: 1,800 daN

Rotary table
Usable area: 800 × 700 mm
T-slots: 7
Width of reference slot: 18H8 mm
Width of other slots: 18H12 mm
Slot spacing: 100 mm
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Locating device: Ø 63H7 mm
Housing height: 900 mm
Permissible load: 1,500 daN

Axis movements (X-Y-Z)
Rapid traverse: 30,000 mm/min
Feed rate (continuous): 1 – 30,000 mm/min
Nominal thrust: 1,000 daN
Max. thrust: 1,300 daN

Movement, B-axis
Speed: 4.3 rpm
Clamping torque: 4,500 Nm

Movement, C-axis
Speed: 10 rpm
Clamping torque: 12,000 Nm
Max. working torque: 1,000 Nm

Automatic tool changer
Number of tools: 32
Max. tool weight: 16 daN
Max. magazine load: 160 daN
Max. tool diameter: 100 mm
Max. tool length: 300 mm
Tool change time (tool–tool): 8 s

General data
Machine weight: 20,000 kg
Noise level: < 85 dBA (ISO 1999)

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