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One Used Kellenberger 1500U, completely overhauled:
Mechanics, geometry, hydraulics and electrical parts (checked and/or replaced)
Grinding headstock
Dismantling, cleaning parts, replacing worn and defective parts, overhauling the motor, replacing bearings, replacing belts, dismantling spindle, replacing seals and O-Rings + adjustment. New paintwork.
Headstock
Dismantle, clean parts, replace worn and faulty parts, replace motor, replace belts. New spindle bearings. New paintwork.
Tailstock
Dismantle, clean parts, replace worn and faulty parts, replace motor, replace belts. New spindle bearings. New paintwork.
Internal grinding device
Dismantling, cleaning parts, replacing worn and defective parts, fitting support and aligning geometry. New paintwork.
Hydraulics
Dismantle, replace motor, replace hoses, defective and worn parts. Check hydraulic block
X axis
Dismantling, replace worn parts such as O-Ring, seals, rings etc., overhaul hydraulic piston, rectify tables.
Z axis
Dismantling, grinding the tables, replacing worn and defective parts, overhauling the hydraulic piston, scraping the V and flat guides. New paintwork.
Measuring system
2-axis digital display included
Electrical cabinet
Replace motor terms and relay controls. New wiring. New variable speed drive for workpiece stern.
Paint
Colors: White RAL 9003 and grey RAL 7011
Geometry according to manufacturer's protocol.
Manufacturing origin CH
Net weight 2800 Kg
Custom position 8460.2920
TECHNICAL DATA
Distance between centers 1500 mm
Distance between centers headstock and tailstock
overhanging 1650 mm
Height of centers, normal 125 mm
Height of centers, with removable intermediary plates 225/250 mm
Max grinding diameter Ø 250 mm
Max. grinding diameter, with intermediate plates 450/500 mm
Table
Working surface of table 2060x140 mm
Maximum length and width for surface grinding 1750x200 mm
Longitudinal travel, manual or hydraulic 1750 mm
Manual table motion, 1 turn - coarse 20,006 mm
Manual table motion, 1 turn - fine 2,457 mm
Table speed, stepless hydraulic -6 m/min
Table swivel 6°
Reversing dwell 0-5 sec.
Work spindle head
Workpiece speeds, stepless electric 20-400 min-1
Swivel 360°
Inner taper of work spindle MT5
Tailstock
Inner taper of tailstock spindle MT3
Manual or hydraulic spindle speed return 30 mm
Inner taper for trueing diamond MT0
Universal grinding spindle head
Transverse movement of wheel slide 285 mm
Hydraulic rapid wheel slide motion, forward and reverse 40 mm
Grinding spindle speeds 1500 – 1700 – 2200 – 3600 min-1
Vertical motion of grinding spindle head, height of centers 125-330 mm
Wheel for cylindrical grinding max. 400x50x127 mm
Surface grinding wheel 250x20x76 mm
Swivel of grinding spindle head with locking every 90° 270°
Grinding wheel infeed
1 graduation of feed scale 0.005 mm/Ø
Automatic feed, max 0.9 mm/Ø
Infeed per table reversal, stepless 0.001-0.03 mm/Ø
Infeed for plunge grinding 0.001-0.05 mm/sec.
Micrometer stop, 1 graduation 0.001 mm/Ø
Motors
Grinding spindle motor 2’900 min-1 / 4,0 hp
Work spindle motor 3’000 min-1 / 2,0 hp
DC motor 1,2 hp
Oil pump motor 2’760 min-1 / 1,0 hp
Coolant pump motor 2’850 min-1 / 0,12 hp
Internal grinding attachment
Bore 70 mm
Speed of internal grinding spindle Ø70 mm. 14'000 min-1
Speed of internal grinding spindle Ø50 mm 21'000 min-1
Specifications subject to buyer confirmation.
| Swing | 14.76" | 374.9 mm |
| Centers | 60" | 1,524 mm |
| Power | 5 hp | 3.7 kW |
| Workhead Power | 1 hp | 0.7 kW |
| Workhead Speed | 500 RPM | 500 RPM |
| Grinding Wheel Dia. | 14" | 355.6 mm |
| Max Weight Between Centers | 330 lb | 149.7 kg |
| Plunge (Yes/No) | 'Yes' | 'Yes' |
| Dimensions | 168 x 72 x 70 in | 168 x 72 x 70 in |
| Weight | 5800 lbs | 5800 lbs |
One Used Kellenberger 1500U, completely overhauled:
Mechanics, geometry, hydraulics and electrical parts (checked and/or replaced)
Grinding headstock
Dismantling, cleaning parts, replacing worn and defective parts, overhauling the motor, replacing bearings, replacing belts, dismantling spindle, replacing seals and O-Rings + adjustment. New paintwork.
Headstock
Dismantle, clean parts, replace worn and faulty parts, replace motor, replace belts. New spindle bearings. New paintwork.
Tailstock
Dismantle, clean parts, replace worn and faulty parts, replace motor, replace belts. New spindle bearings. New paintwork.
Internal grinding device
Dismantling, cleaning parts, replacing worn and defective parts, fitting support and aligning geometry. New paintwork.
Hydraulics
Dismantle, replace motor, replace hoses, defective and worn parts. Check hydraulic block
X axis
Dismantling, replace worn parts such as O-Ring, seals, rings etc., overhaul hydraulic piston, rectify tables.
Z axis
Dismantling, grinding the tables, replacing worn and defective parts, overhauling the hydraulic piston, scraping the V and flat guides. New paintwork.
Measuring system
2-axis digital display included
Electrical cabinet
Replace motor terms and relay controls. New wiring. New variable speed drive for workpiece stern.
Paint
Colors: White RAL 9003 and grey RAL 7011
Geometry according to manufacturer's protocol.
Manufacturing origin CH
Net weight 2800 Kg
Custom position 8460.2920
TECHNICAL DATA
Distance between centers 1500 mm
Distance between centers headstock and tailstock
overhanging 1650 mm
Height of centers, normal 125 mm
Height of centers, with removable intermediary plates 225/250 mm
Max grinding diameter Ø 250 mm
Max. grinding diameter, with intermediate plates 450/500 mm
Table
Working surface of table 2060x140 mm
Maximum length and width for surface grinding 1750x200 mm
Longitudinal travel, manual or hydraulic 1750 mm
Manual table motion, 1 turn - coarse 20,006 mm
Manual table motion, 1 turn - fine 2,457 mm
Table speed, stepless hydraulic -6 m/min
Table swivel 6°
Reversing dwell 0-5 sec.
Work spindle head
Workpiece speeds, stepless electric 20-400 min-1
Swivel 360°
Inner taper of work spindle MT5
Tailstock
Inner taper of tailstock spindle MT3
Manual or hydraulic spindle speed return 30 mm
Inner taper for trueing diamond MT0
Universal grinding spindle head
Transverse movement of wheel slide 285 mm
Hydraulic rapid wheel slide motion, forward and reverse 40 mm
Grinding spindle speeds 1500 – 1700 – 2200 – 3600 min-1
Vertical motion of grinding spindle head, height of centers 125-330 mm
Wheel for cylindrical grinding max. 400x50x127 mm
Surface grinding wheel 250x20x76 mm
Swivel of grinding spindle head with locking every 90° 270°
Grinding wheel infeed
1 graduation of feed scale 0.005 mm/Ø
Automatic feed, max 0.9 mm/Ø
Infeed per table reversal, stepless 0.001-0.03 mm/Ø
Infeed for plunge grinding 0.001-0.05 mm/sec.
Micrometer stop, 1 graduation 0.001 mm/Ø
Motors
Grinding spindle motor 2’900 min-1 / 4,0 hp
Work spindle motor 3’000 min-1 / 2,0 hp
DC motor 1,2 hp
Oil pump motor 2’760 min-1 / 1,0 hp
Coolant pump motor 2’850 min-1 / 0,12 hp
Internal grinding attachment
Bore 70 mm
Speed of internal grinding spindle Ø70 mm. 14'000 min-1
Speed of internal grinding spindle Ø50 mm 21'000 min-1
Specifications subject to buyer confirmation.