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KARSTENS K 52-650

Grinding diameter 360 mm
Grinding length 650 mm
Centre height 180 mm
Control SIEMENS 840 D
Hsdjt Hw A Hopfx Aa Iep
Total power requirement 15 kW
Machine weight approx. 9500 kg
Space requirement approx. m

K A R S T E N S
CNC-controlled external cylindrical grinding machine
Model K 52 - 650 (98 019 06 52051) Year of manufacture 1999

Centre height: 180 mm
Centre width / max. clamping length: 750 mm
Max. grinding length: 650 mm
Grinding length for plunge grinding: 150 or 210 mm

External grinding diameter approx. min./max.: 5–360 mm
Max. grinding width for plunge grinding: 150 mm
Max. workpiece weight (between centres/float): 70/250 kg

Grinding wheel dimensions (Ø x width x bore): 600 x 150 x 203 mm
Cutting speed, infinitely variable, max.: 35/50 m/s

Grinding slide travel (X axis): 360 mm
Grinding slide feeds: 0.01 – 6,000 mm/min

Workpiece spindle stock (MK 4) – Speeds (C axis), infinitely variable: 1 – 1,000 rpm

Table speed (Z axis): 0.01 – 10,000 mm/min
Measuring system resolution: 0.0002/0.0005 mm

Spindle drives: 11/15 kW * Total drive approx. 30 kW - 400 V - 50 Hz

Weight approx.: 9,500 kg

Accessories / Special features:
- Granite machine bed with all technical and thermal benefits
- SIEMENS CNC control type 840 D with software and subprograms
- Hand control device
- MOVOMATIC measuring control type ES 400 with hydraulically retractable measuring arm
- Grinding slide set at 0°, ideal for straight plunge grinding
- Grinding wheel mounted on the left, extremely wide wheel up to 210 mm
- Workpiece spindle stock with fixed centre or flange driver
- Tailstock on lower slide with approx. 50 mm stroke, hydraulically operated and with cylinder correction
- Driven diamond disc profiling device for CNC profiling of the grinding wheel
- On-machine grinding wheel balancing system
- Machine currently equipped with a HEILIG workpiece loading portal, which automatically loads and unloads cylindrical workpieces approx. 30 x 100 mm (L) into and from the working area
- Raw and finished parts are handled simultaneously using a double gripper
- Separate hydraulic unit, DEMAG chain hoist installed for easier grinding wheel replacement
- Complete machine enclosure with manually lockable and electrically monitored doors
- No coolant system, but with intermediate tank for central supply

Condition: good – soon ready for demonstration – ideal machine for plunge grinding operations
Delivery: ex-stock – as seen
Payment: strictly net – on receipt of invoice

We have a wide range of grinding machines of all types, please enquire with us.

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