Cylindrical grinding machine

Karstens K11-650

Condition: as good as new (ex-display), Year of construction: 2025, Karstens K11 650 Premium Retrofit Cylindrical Grinding Machine Make Karstens Technical data: Center width: 750 mm center height: 180 mm / (250 mm = option) Workpiece weight: 100 kg flying, 250 kg between centers grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) workpiece spindle: MK 4, speed infinitely variable 30-450 rpm, swivel range 0 - 90 ° tailstock: MK4, quill stroke 45 mm, cylinder correction quill force: 200-600 N manual, (up to 2500 N possible, adjustable = option) table inclination: 12,5 degrees feed spindle adjustment travel: 80 mm rapid traverse path: 50 mm Coarse adjustment air cushion: 280 mm Grinding spindle motor outside: 4 KW / (5,5 KW = option) Infinitely variable speed adjustment of the grinding wheel with potentiometer grinding spindle motor inside: 2,2 KW Workpiece spindle motor: 1,1 KW Hydraulic motor 1,5 KW Lubrication motor 0,1 KW Hydraulic tank 80 liters Machine weight: net 3500 Kg Infeed drive by DC motor Air cushion supported quick adjustment of the grinding headstock for fast and safe approach of the grinding position. Separate drive for the spindles for external and internal grinding. Fully automatic work sequence, infeed movement via wind rose switch: Fast forward, fast reverse, grinding mode, infeed stop, mym infeed. Automatic longitudinal grinding cycle Central coolant supply for all grinding points Work headstock with infinitely variable drive with travelling and lockable spindle. Feed control digital with Siemens panel and Siemens SPS for longitudinal grinding and plunge-cut grinding, input for return, infeed amounts, feeds, burnout times, empty strokes, compatible to the old Karstens infeed control, with colored Siemens touch panel scale in X and Z axis make HEIDENHAIN. Gedpjiv Audsfx Afisbu similar to Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat

Condition: excellent (used), Year of construction: 1988, functionality: fully functional, center height: 180 mm, workpiece weight (max.): 70 kg, center width: 650 mm, grinding wheel diameter: 400 mm, workpiece weight between centers: 250,000 g, The machine has been fully repaired and inspected by the seller! TECHNICAL DETAILS Working Area - Distance between centers: 650 mm - Center height: 180 mm - Workpiece weight: max. 70 kg (overhung) / max. 250 kg (between centers) - Grinding wheel diameter: 400 mm Workpiece Spindle - Mount: MK4 (Morse taper 4) - Speed: 30 - 450 rpm - Swivel range: 0 - 90° - Motor power: 0.55 kW Tailstock - Mount: MK4 (Morse taper 4) - Quill stroke: 45 mm - Quill force: 200 - 600 N Adjustment Travels and Settings - Table swivel angle: 10° - Infeed spindle travel: 80 mm - Rapid traverse: 50 mm - Coarse adjustment with air cushion: 280 mm MACHINE DETAILS Drives Gjdpfx Afswy Rnfsiebu - External grinding spindle motor: 4 kW - Internal grinding spindle motor: 2.2 kW Weight - Machine weight: 3,600 kg EQUIPMENT - Air-cushion supported rapid adjustment of grinding spindle headstock - Separate drive for external and internal grinding spindles - Fully automatic operation with rotary switch - Automatic longitudinal grinding cycle - Central coolant supply for all grinding positions - Workpiece spindle stock with stepless drive control - Infeed control for longitudinal and plunge grinding

Condition: refurbished (used), Year of construction: 1988, Karstens K11 650 The cylindrical grinding machine was completely overhauled at PS-Karstens. The machine is checked and in a very good condition. Since we are specialized in Karstens cylindrical grinding machines, we can offer you the complete service (electrical and mechanical) for the machine after purchase. Technical data: Center width: 650 mm center height: 180 mm workpiece weight: 100 kg flying, 250 kg between centers grinding wheel diameter: 400 mm workpiece spindle: MK 4, speed infinitely variable 30-450 rpm, swivel range 0 - 90 ° tailstock: MK4, quill stroke 45 mm, cylinder fine adjustment quill force: 200-600 N, hydraulically operated via foot pedal table inclination: 10 degrees feed spindle adjustment travel: 80 mm rapid traverse path: 50 mm Coarse adjustment air cushion: 280 mm grinding spindle motor outside: 4 KW grinding spindle motor inside: 2,2 KW workpiece spindle motor: 0,55 KW Machine weight: Net 3800 Kg Gsdpfeh Rixxex Afijbu Infeed drive via DC motor Air cushion-supported quick adjustment of the grinding headstock for fast and safe approach of the grinding position. Separate drive for the spindles for external and internal grinding. Fully automatic work sequence, infeed movement via wind rose switch: Fast forward, fast reverse, grinding mode, infeed stop, mym infeed. Automatic longitudinal grinding cycle Central coolant supply for all grinding points Work headstock with infinitely variable drive with travelling and lockable spindle. Infeed control for longitudinal grinding and plunge-cut grinding, input for return, infeed amounts, feeds, burnout times, empty strokes Paper belt filter automat approx. 250 L similar to Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat

Condition: as good as new (ex-display), Year of construction: 2025, Karstens K11 650 Premium Retrofit Cylindrical Grinding Machine Make Karstens Technical data: Center width: 750 mm center height: 180 mm / (250 mm = option) Workpiece weight: 100 kg flying, 250 kg between centers grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Gbedpfxeh Rftlj Afieu workpiece spindle: MK 4, speed infinitely variable 30-450 rpm, swivel range 0 - 90 ° tailstock: MK4, quill stroke 45 mm, cylinder correction quill force: 200-600 N manual, (up to 2500 N possible, adjustable = option) table inclination: 12,5 degrees feed spindle adjustment travel: 80 mm rapid traverse path: 50 mm Coarse adjustment air cushion: 280 mm Grinding spindle motor outside: 4 KW / (5,5 KW = option) Infinitely variable speed adjustment of the grinding wheel with potentiometer grinding spindle motor inside: 2,2 KW Workpiece spindle motor: 1,1 KW Hydraulic motor 1,5 KW Lubrication motor 0,1 KW Hydraulic tank 80 liters Machine weight: net 3500 Kg Infeed drive by DC motor Air cushion supported quick adjustment of the grinding headstock for fast and safe approach of the grinding position. Separate drive for the spindles for external and internal grinding. Fully automatic work sequence, infeed movement via wind rose switch: Fast forward, fast reverse, grinding mode, infeed stop, mym infeed. Automatic longitudinal grinding cycle Central coolant supply for all grinding points Work headstock with infinitely variable drive with travelling and lockable spindle. Feed control digital with Siemens panel and Siemens SPS for longitudinal grinding and plunge-cut grinding, input for return, infeed amounts, feeds, burnout times, empty strokes, compatible to the old Karstens infeed control, with colored Siemens touch panel scale in X and Z axis make HEIDENHAIN. similar to Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat