Description
KELLENBERGER KEL-VERA – Year 2012
Precision universal grinding machine | internal/external cylindrical grinding and non-circular grinding possible
Kellenberger KEL-VERA UR 1-2-3 250/750
New price approx. 950.000,- EUR – Top equipment!
Only about 10.500 operating hours (program run)
The machine works with high precision. Tolerances of 1µm are met during machining.
Roundness chuck work: < 0.4 µm
TECHNICAL DATA:
Control: Heidenhain GRINDplus IT
Year of construction: 08/2012
center height: 250 mm
center distance: 750 mm
grinding length, max: 750 mm
Max. workpiece diameter: 499 mm
Max. workpiece weight between centers: 250 kg
Max. workpiece weight flying: 100 kg/160Nm
grinding wheel dimensions: 500 x 80 x 203.2 mm
Z-axis:
center distance: 750 mm
max. travel: 900 mm
Speed max: 30 m/min-1
resolution: 0,1 µm
X-axis, grinding slide travel: 350 mm
Speed: 15 m/min-1
resolution: 0,1 µm
Grinding head, B axis:
Grinding head swivel range: +30° / 210° infinitely variable
Spindle speed: 1000 – 2150 min-1
Peripheral speed: 45 m/s
resolution: 0,1 µm
Headstock, C axis:
Spindle speed: 1 – 1000 min-1
Max. workpiece weight between centers: 250 kg
Roundness: < 0.4 µm
Micro adjustment: +/- 150 µm
Internal grinding device:
Speed high frequency spindle: 4.050 – 42.000 min-1
Suitable for drillings D > 20
Power: S6, 60 %, 17 kW / S1, 100%, 15 kW
EXTENSIVE EQUIPMENT:
CNC controlled B-axis with direct measurement
CNC controlled C-axis with oriented spindle stop (headstock)
Internal grinding device with high frequency spindle up to 42.000 min-1
Balancing device KEL-BALANCE
Gate sensor KEL-TOUCH
Tool measuring system KEL-SET
Active longitudinal positioning KEL-POS, Movomatic C25
Coolant supply through the workpiece spindle
Tailstock reinforced combined with manual return and hydraulically confirmed quill return
Stroke monitoring tailstock spindle
Tailstock lower part with micro adjustment
Pneumatic relief for the tailstock
Pneumatic power clamping device
Dressing device on intermediate plate behind workpiece headstock or tailstock (2x)
Dressing device on the upper table
Preparation for form roll truing device External grinding
intermediate plate work headstock for fastenings
Tailstock intermediate plate for attachments
Drive flange backlash-free
Measurement control unit Momovatic ESZ 400/digital
Diameter measuring head Momovatic DM 200+
Electric sliding door drive
MISCELLANEOUS:
Magnetic paper band filter 640 L. incl. pump and preparation Retrofitting the cooling unit
Cooling lubricant switch-off for tabletop unit
Full Boarding Emulsion
HANDLING SYSTEM/PORTAL LOADER (optionally available)
The handling system/portal loader shown on pictures is NOT part of the offer price. However, it can be purchased separately from the machine.
