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 Manufacturer: Karstens Technical Specifications: - Distance between centers: 750 mm - Center height: 180 mm (250 mm optional) - Workpiece weight: 100 kg between centers, 250 kg between tips - Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) - Workpiece spindle: MT 4, stepless speed adjustment 30-450 rpm, swivel range 0 - 90° - Tailstock: MT4, quill stroke 45 mm, cylindrical correction - Quill force: 200-600 N manual, (up to 2500 N adjustable option) - Table swivel: 12.5 degrees - Infeed spindle stroke: 80 mm - Rapid traverse: 50 mm - Coarse adjustment air cushion: 280 mm - External grinding spindle motor: 4 kW (5.5 kW optional) - Stepless speed adjustment of the grinding wheel via potentiometer - Internal grinding spindle motor: 2.2 kW - Workpiece spindle motor: 1.1 kW - Hydraulic motor: 1.5 kW - Lubrication motor: 0.1 kW - Hydraulic tank capacity: 80 liters Guodeiv Audepfx Ad Doi - Machine weight: net 3,500 kg - Infeed drive through DC motor - Air-cushion-assisted rapid adjustment of the grinding spindle head for fast and safe positioning to the grinding point - Separate drives for spindles for external and internal grinding - Fully automatic work cycle, feed movement via rotary switch: rapid advance, rapid return, grinding operation, feed stop, fine feed - Automatic longitudinal grinding cycle - Central coolant supply for all grinding points - Workpiece spindle head with continuously adjustable drive for live and lockable spindle - Digital infeed control with Siemens panel and Siemens PLC for longitudinal grinding and plunge grinding, input for return stroke, infeed amounts, feeds, spark-out times, idle strokes; compatible with older Karstens infeed controls, with a color Siemens touchscreen panel - Scale in X and Z axes by HEIDENHAIN Comparable to Weiss/EMAG/GP cylindrical grinding machines/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat

Condition: used, grinding diameter 250,350,450 mm grinding length 1000 mm centre height 125,175,225 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0,001-0,030 mm/Ø 0-0,95 mm/Ø ±8 ° longitudinal feed of the table 1300 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 70 mm total power requirement 6,5 kW weight of the machine ca. 2,5 t dimensions of the machine ca. 4,2 x 2,0 m As the world’s leading company in Kellenberger overhaul and retrofit we are not only able to deliver machines in a quality similar to a new machine and with warranty, but we can also offer you the service for your machines. Geometrically overhauled with new paint and original electrics. Gjdet Ii Nuopfx Ad Dsui Foto of a 600U which we already have delivered. -Digital display in 2 axes. Resolution of x-Achse 0,5my Options: -Encoder with digital display in workpiece spindle head -Encoder with digital display in grinding spindle head (Height adjustment with spindle not possible) -New stable internal grinding diameter 80mm oder 100mm with height-adjustment. -Increase the center heigh to max. 225mm -Speed control of the grinding spindle Including:: -Adjustment tool -Draw tube for chucks other accessories on reqeust Die Werkzeugmaschine entspricht zum derzeitigen Zeitpunkt nicht den grundlegenden Sicherheits- und Schutzanforderungen wie in der BetrSichV 2015 genannt. Eine Anhebung des erforderlichen Mindest-Schutzzieles ist mittels einer Gefährdungsbeurteilung nach BetrSichV zu ermitteln.

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) Gujdpfxjwy Rnfs Ad Dsi - 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 - 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 has been completely overhauled by PS-Karstens. The machine has been tested and is in excellent condition. As we specialize in Karstens cylindrical grinding machines, we can offer you complete service (both electrical and mechanical) for the machine after purchase. Technical data: Gusdpfx Ajh Rixxjd Dsi - Distance between centers: 650 mm - Center height: 180 mm - Workpiece weight: 100 kg (between centers), 250 kg (supported between centers) - Grinding wheel diameter: 400 mm - Workpiece spindle: MK 4, infinitely variable speed 30-450 rpm, swivel range 0 - 90° - Tailstock: MK 4, quill stroke 45 mm, fine adjustment with micrometer - Quill force: 200-600 N, hydraulically operated via foot pedal - Table swivel: 10° - Infeed spindle travel: 80 mm - Rapid traverse distance: 50 mm - Coarse adjustment with air cushion: 280 mm - External grinding spindle motor: 4 kW - Internal grinding spindle motor: 2.2 kW - Workpiece spindle motor: 0.55 kW - Machine weight: net 3800 kg - Infeed drive via DC motor - Air-cushioned rapid adjustment of the grinding spindle head for quick and safe positioning to the grinding position. - Separate drive for the spindles for external and internal grinding. - Fully automatic operation: infeed movement via cam switch: rapid advance, rapid return, grinding operation, infeed stop, μm infeed. - Automatic longitudinal grinding cycle - Central coolant supply for all grinding points - Workpiece spindle head with steplessly adjustable drive for both rotating and clamped spindle operations. - Infeed control for plunge and traverse grinding, settings for retraction, infeed amounts, feed rates, spark-out times, empty strokes - Paper band filter unit approx. 250 L - Comparable to Weiss / EMAG / GP-cylindrical grinding machines / Studer / Kellenberger / Schaudt / Tschudin / Tacchella / Dannobat

Condition: used, Year of construction: 1998, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm Guedpfxjwtr Adj Ad Dei total power requirement 13 kW weight of the machine ca. 3 t

Year of construction: 2006, condition: ready for operation (used), A Mazak CNC 5-axis turning and milling center with counter spindle is available. Swing diameter: 820mm, machining diameter: 820mm, machining length: 1500mm, max. workpiece weight in chuck/between centers: 650kg/150kg, main spindle speed: 1600rpm, spindle bore: 185mm, power: 30kW/40kW, tailstock force: 15kN, quill stroke: 1466mm, tool holder: BT50, spindle speed: 10000rpm, travel X/Y/Z: 870mm/500mm/1600mm, rapid traverse: 40m/min. Machine dimensions X/Y/Z: approx. 6500mm/3700mm/3200mm, weight: approx. 26000kg, control: Mazatrol Matrix. Documentation available. An on-site inspection is possible. The machine is located in China. Gedpexf Iklefx Ad Doui

Condition: refurbished (used), Machine totaly reconditioned With DRO Center height 175 mm Distance between centers 1000 mm Grinding wheel 400 x 50 x 127 mm + 225 x 20 x 76.2 mm Grinding wheel speeds 1'500-2'200 rpm With internal grinding attachement Misc. accessories Gujdpjwhk Uuefx Ad Dei MARCELS MASCHINEN AG

Condition: used, grinding diameter 250,350,450 mm grinding length 1000 mm centre height 125,175,225 mm grinding wheel diameter 400 mm grinding wheel width 50 mm bore 127 mm MK5 work piece spindle speed 20-400 U/min grinding head swivelling 360 ° grinding spindle head - swivable 180 + - ° grinding spindle speed 1500,1700,2200 U/min 0,001-0,030 mm/Ø 0-0,95 mm/Ø ±8 ° longitudinal feed of the table 1300 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 70 mm total power requirement 6,5 kW weight of the machine ca. 2,5 t dimensions of the machine ca. 4,2 x 2,0 m Ready for delivery, with 12 month warranty in germany and neighbouring countries! Geometrically overhauled and repainted with new electrics. In KELLENBERGER quality!!! -Digital display in 2 axes. Resolution x-axis 0.5my -Modern workpiece headstock with cone MK5 Gusdov I Eq Sspfx Ad Dsi -Modern tailstock with cone MK3 -Modern hydraulic unit -Paper belt filter Further accessories on request

Condition: ready for operation (used), Year of construction: 2004, Make: MAZAK Type of machine: INTEGREX E-410H Year of manufacture: 2004 Control system: Mazatrol 640M Pro CNC-Steuerung Machine's weight: 17000 kg Tool holder: KM 63 Gedpfx Aexk Uvrod Deui x-travel: 736 mm (29 y-travel: 410 mm (16 z-travel: 1388 мм (55 Speed range: 4000 U/min Cutting diameter: 610 mm (24 Turning length: 1388 мм (55 Chip removal device: ja Tailstock: ja Overall dimensions: 5000 × 2920 × 2920 mm Chuck size: 310 mm Tool turret - slots: 60 C-axis: 360° (Genauigkeit 0,0001°) Spindle opening: 81 mm (3,2

Condition: refurbished (used), TECHNICAL DETAILS - distance between centers : 1000 [mm] - centers height : 175 [mm] - max grinding diamater: 350 [mm] - table orientation : -/+ 8 [°] - universal wheelhead - grinding wheels dimensions : 400 x 50 x 127 [mm] - motor power : 3 [kW] - spindle speed : 1500 / 1700 / 2200 - boring for internal spindle : 90 [mm] - orientation of part holder headstock : 180 [°] - spindle speed : 20 - 400 [Rpm] - spindle internal cone : Morse 5 - motor power : 0,9 [kW] Gedpfxewu Afre Ad Dsui - inner cone tailstock : Morse 4 - tailstock sleeve travel: 30 [mm] - dimensions : 2860 x 1680 x 1670 [mm] - weight : 2 500 [kg] Accessories/options: - automatic cycle works - tailstock - lubricating tank with pump - 1 internal grinding spindle - external grinding wheels - wheel dresser - documentations The machine is partly overhauled, included: - new geometry - new electrical cabinet - bearings replaced - new painting - etc....