Cylindrical grinding machine

KELLENBERGER 600-U

Completely overhauled:

Mechanics, geometry, hydraulics, and electrical parts (checked and/or replaced)

Wheelhead:
Disassembled, parts cleaned, worn or defective components replaced, motor overhauled, bearings replaced, belts replaced, spindle disassembled, seals and O-rings replaced, adjustments made. Newly painted.

Workhead:
Disassembled, parts cleaned, worn or defective components replaced, motor overhauled, belts replaced. New spindle bearings. Newly painted.

Tailstock:
Disassembled, inspected, overhauled.

Hydraulics:
Disassembled, motor checked, hoses replaced, defective and worn parts replaced. Hydraulic block checked.

X-axis:
Disassembled, all worn parts such as O-rings, seals, segments, etc. replaced, hydraulic piston overhauled, table ground.

Z-axis:
Disassembled, table ground, worn or defective parts replaced, hydraulic piston overhauled, newly painted.

Electrical cabinet:
Completely checked, various relays replaced.

Paintwork:
Colors: White RAL 9003 and Grey RAL 7011

Geometry according to manufacturer's protocol.

Various accessories checked and cleaned.

Origin: CH
Voltage: 380 / 50 / 3
Net weight: approx. 2,200 kg
Customs tariff number: 8460.2920

TECHNICAL SPECIFICATIONS

Nominal distance between centers: 600 mm
Max. distance between centers (with extended headstock): 750 mm
Center height, standard: 125 mm
Center height with interchangeable pads for heads: 175–250 mm
Max. workpiece diameter (125 mm center height): 250 mm
Max. workpiece diameter with interchangeable pads: 350–500 mm
Swiveling range of table in each direction: 10°
Max. grinding length for flat surfaces (max. width = 200 mm): 900 mm
Continuously variable hydraulic table speed: up to approx. 6 m/min
Table reversal delay: 0–5 sec
Grinding wheel for external grinding, diameter - width - bore: 400x50x127 mm
Grinding wheel for flat surface grinding: 250x13x76 mm
Wheelhead spindle speed: 1,500/1,700/2,200/3,600 rpm
Wheelhead swiveling range: 270°, with indexing every 90°
Vertical travel of wheelhead, center height: 125–350 mm
Transverse travel of wheelhead: 285 mm
Hydraulic rapid traverse stroke: 40 mm
Intermittent infeed of wheel by table reversal: 0.001–0.03 mm/dia
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Continuous infeed for plunge grinding: 0–0.9 mm/dia
Micrometric infeed stop, by division: 0.001 mm/dia
Workhead swiveling range: 360°
Workhead spindle speed, stepless: normal/special: 20–400 / 10–400 rpm
Internal taper of workhead/tailstock: Morse 5/3
Wheelhead motor: approx. 4 HP

All technical specifications are given without obligation and subject to errors or omissions.

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