Cylindrical grinding machine

Karstens K11 650

Karstens K11 650

The cylindrical grinding machine has been completely overhauled by PS-Karstens. The machine has been tested and is in excellent condition. As we specialize in Karstens cylindrical grinding machines, we can offer you complete service (both electrical and mechanical) for the machine after purchase.

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Technical data:

- Distance between centers: 650 mm
- Center height: 180 mm
- Workpiece weight: 100 kg (between centers), 250 kg (supported between centers)
- Grinding wheel diameter: 400 mm
- Workpiece spindle: MK 4, infinitely variable speed 30-450 rpm, swivel range 0 - 90°
- Tailstock: MK 4, quill stroke 45 mm, fine adjustment with micrometer
- Quill force: 200-600 N, hydraulically operated via foot pedal
- Table swivel: 10°
- Infeed spindle travel: 80 mm
- Rapid traverse distance: 50 mm
- Coarse 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 weight: net 3800 kg
- Infeed drive via DC motor
- Air-cushioned rapid adjustment of the grinding spindle head for quick and safe positioning to the grinding position.
- Separate drive for the spindles for external and internal grinding.
- Fully automatic operation: infeed movement via cam switch: rapid advance, rapid return, grinding operation, infeed stop, μm infeed.
- Automatic longitudinal grinding cycle
- Central coolant supply for all grinding points
- Workpiece spindle head with steplessly adjustable drive for both rotating and clamped spindle operations.
- Infeed control for plunge and traverse grinding, settings for retraction, infeed amounts, feed rates, spark-out times, empty strokes
- Paper band filter unit approx. 250 L
- Comparable to Weiss / EMAG / GP-cylindrical grinding machines / Studer / Kellenberger / Schaudt / Tschudin / Tacchella / Dannobat

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