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Karstens K11 1000

Karstens K11 1000

The machine has been inspected and is in excellent condition.
It has extremely low operating hours and was operated with grinding oil, therefore there is no rust.
As we specialize in Karstens cylindrical grinding machines, we are able to provide you with complete service (both electrical and mechanical) for the machine after purchase.

Technical Data:

Centre distance: 1000 mm
Centre height: 180 mm
Workpiece weight: 70 kg between centers (unsupported), 250 kg between centers (supported)
Grinding wheel diameter: 400 mm
Workpiece spindle: Morse taper 4, infinitely variable speed 30-450 rpm, swivel range 0 - 90°
Tailstock: Morse taper 4, quill stroke 45 mm
Tailstock parking next to Z-axis table
Quill force: 200-600 N
Table swivel: 12.5°
Cross slide travel: 80 mm
Rapid traverse: 50 mm
Rough adjustment with air cushion: 280 mm
External grinding spindle motor: 4 kW
Internal grinding spindle motor: 2.2 kW
Workpiece spindle motor: 0.55 kW
Machine net weight: 3,500 kg
Infeed drive via DC motor
Air-cushioned rapid adjustment of the grinding spindle head
for fast and safe positioning to the grinding location.
Separate drives for external and internal grinding spindles.
Fully automatic operation, infeed controlled by rotary cam switch:
Rapid approach, rapid return, grinding mode, infeed stop, precise infeed.
Automatic longitudinal grinding cycle
Central coolant supply for all grinding areas
Workpiece spindle head with infinitely variable drive for live and lockable spindle.
Automatic infeed control for traverse and plunge grinding, programmable retraction, infeed amounts, feedrates, spark-out times, and empty strokes
Digital readout for X-axis by Heidenhain
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Paper band filtration unit can be offered as an option.
Comparable to Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat

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