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Karstens K11 1000 In TOP Originalzustand Note 1

Karstens K11 1000

This Karstens K11 comes from a university environment and was only used very sparingly. All cables and hoses in the wet area have been replaced.
It has extremely low operating hours.
As we specialize in Karstens cylindrical grinding machines, we can offer you full service (electrical and mechanical) for the machine after purchase.

Technical Data:

Centre distance: 1000 mm
Centre height: 180 mm
Workpiece weight: 70 kg (between centers, cantilevered), 250 kg (between centers)
Grinding wheel diameter: 400 mm
Workpiece spindle: Morse Taper 4, infinitely variable speed 30–450 rpm, swiveling range 0–90°
Tailstock: Morse Taper 4, quill stroke 45 mm
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Tailstock rest beside Z-axis table
Quill force: 200–600 N
Table swivel: 12.5 degrees
Travel of infeed spindle: 80 mm
Rapid traverse: 50 mm
Coarse adjustment air cushion: 280 mm
External grinding spindle motor: 4 kW
Internal grinding spindle motor: 2.2 kW
Workpiece spindle motor: 0.55 kW
Machine weight: net 3,500 kg
Infeed drive by DC motor
Air cushion-supported rapid adjustment of the grinding spindle headstock for fast and safe positioning at the grinding station.
Separate drives for spindles for external and internal grinding.
Fully automatic operation cycle, feed movement controlled via rotary switch:
Rapid advance, rapid retraction, grinding mode, feed stop, mym-feed adjustment.
Automatic longitudinal grinding cycle
Central coolant supply for all grinding stations
Workpiece headstock with infinitely adjustable drive for rotating and lockable spindle.
Infeed control for longitudinal grinding and plunge grinding, settings for retraction, feed amounts, feeds, spark-out times, idle strokes.
Digital readout for X-axis by Heidenhain
Paper band filter unit can be offered on request.
Comparable to Weiss/ EMAG/ GP-cylindrical grinders/ Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat

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