Cylindrical Grinding Machine - Universal

KARSTENS K11

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 Iodpfx Adjiv Audsnsa - 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 - 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

Year of construction: 2014, condition: ready for operation (used), A Karstens cylindrical grinding machine from 1992, which was completely overhauled and modernized in 2014, is available. Center width: 1000mm, center height: 180mm, grinding diameter: 360mm, max. workpiece weight center/flying: 250kg/70kg, grinding wheel diameter: 400mm. Spindle holder: MK4, speed: 450rpm, swivel range: 90°, quill holder: MK4, quill stroke: 45mm, quill force: 600N. Table swivel: 10°, infeed spindle: 80mm, rapid traverse: 50mm, coarse adjustment: 280mm, weight: approx. 3800kg. Including 3x centering points and grinding wheels as good as new. Documentation available. On-site inspection is possible. Iodpev Suftofx Adnea

Condition: refurbished (used), Year of construction: 2024, functionality: fully functional, center height: 180 mm, workpiece weight (max.): 70 kg, center width: 650 mm, grinding wheel diameter: 400 mm, Equipment: rotational speed infinitely variable, Fully overhauled cylindrical grinding machine, year of manufacture 2024! Ijdowy Ufuspfx Adnea No minimum price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Centre distance: 650 mm Centre height: 180 mm Workpiece weight: 70 kg (unsupported), 250 kg (between centres) Grinding wheel diameter: 400 mm Workpiece Spindle and Tailstock Workpiece spindle: Morse taper 4 Spindle speed: steplessly variable, 30–450 rpm Swivel range: 0–90° Tailstock: Morse taper 4 Quill stroke: 45 mm Quill force: 200–600 N Axes and Adjustments Table swivel: 10° Infeed spindle travel: 80 mm Rapid traverse distance: 50 mm Coarse adjustment, air cushion: 280 mm MACHINE DETAILS Motor External grinding spindle motor: 4 kW Internal grinding spindle motor: 2.2 kW Workpiece spindle motor: 0.55 kW Machine weight: 3,600 kg FEATURES Infeed drive via DC motor Air-cushioned rapid adjustment of grinding spindle headstock Separate drive for external and internal grinding spindles Fully automatic operation: rapid advance, rapid return, grinding cycle, infeed stop, mym infeed Automatic longitudinal grinding cycle Central coolant supply Infeed control for longitudinal and plunge grinding

Condition: as good as new (ex-display), Year of construction: 2025, Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine Manufacturer: Karstens Isdpsiv Au Eefx Adnsa Technical Data: Centre distance: 1100 mm Centre height: 180 mm (250 mm optional) Workpiece weight: 100 kg between centres (unsupported), 300 kg between centres (supported) Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Workpiece spindle: MT4, infinitely variable speed control 30–450 rpm, swivel range 0–90° Tailstock: MT4, quill stroke 45 mm Quill force: 200–600 N manual (up to 2500 N adjustable, optional) Table swivel angle: 10° Cross feed travel: 80 mm Rapid traverse: 50 mm Coarse adjustment (air cushion): 280 mm External grinding spindle motor: 4 kW (5.5 kW optional) Stepless grinding wheel speed adjustment 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: 80 litres Net weight: 3,800 kg Feed drive via DC motor Air cushion-assisted rapid positioning of the grinding spindle headstock for quick and safe positioning to the grinding location. Separate drive for external and internal grinding spindles. Fully automatic operation sequence, infeed movement via cam switch: Rapid approach, rapid retraction, grinding mode, infeed stop, micron infeed. Automatic longitudinal grinding cycle Centralised coolant supply for all grinding zones Workpiece headstock with infinitely variable drive for both live and lockable spindle modes. New digital infeed control with Siemens panel and Siemens PLC for both longitudinal and plunge grinding, parameter input for retraction, infeed amounts, feeds, spark-out times, idle strokes; compatible with the previous Karstens infeed control; featuring a colour Siemens touch panel; HEIDENHAIN scale on X and Z axes. Comparable to Weiss, EMAG, GP cylindrical grinding machines, 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! Iodpjwy Rnfefx Adnea 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 - 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: 1990, Karstens K11 1000 Full Equipment The cylindrical grinding machine has been completely overhauled by PS-Karstens. The machine has been inspected and is in very good condition. Since we specialize in Karstens cylindrical grinders, we can offer you complete service (both electrical and mechanical) for the machine after purchase. Technical specifications: Distance between centers: 1000 mm Center height: 180 mm Workpiece weight: 100 kg (overhung), 250 kg (between centers) Grinding wheel diameter: 400 mm Isdpfxjh Riwdo Adnoa Workpiece spindle: MT 4, infinitely variable speed control 30–450 rpm, swiveling range 0–90° Tailstock: MT 4, quill stroke 45 mm, micrometric adjustment Quill force: 200–600 N, hydraulically operated via foot pedal Table swivel: 10 degrees Cross slide travel: 80 mm Rapid traverse travel: 50 mm Coarse adjustment (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 Feed drive via DC motor Air-cushioned rapid traverse of grinding headstock for quick and safe positioning at grinding position Separate drive for external and internal grinding spindles Fully automatic operation, infeed movement controlled by handwheel switch: rapid advance, rapid return, grinding mode, infeed stop, mym infeed Automatic longitudinal grinding cycle Central coolant supply for all grinding points Workpiece headstock with steplessly adjustable drive for live and lockable spindle Infeed control for longitudinal and plunge grinding, with programmable retraction, feed increments, feeds, spark-out times, and idle strokes Digital readouts for grinding spindle B-axis, workpiece spindle, X-, and Z-axis by HEIDENHAIN Paper belt filter unit approx. 250 L Comparable to Weiss/EMAG/GP cylindrical grinders/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat

Condition: as good as new (ex-display), Year of construction: 2025, Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine Manufacturer: Karstens Technical specifications: Centre distance: 1100 mm Centre height: 180 mm (250 mm optional) Workpiece weight: 100 kg between centres, 300 kg between centres Grinding wheel diameter: 400 mm or 500 mm (external grinding wheel) Workpiece spindle: MT 4, stepless speed control 30–450 rpm, swivelling range 0–90° Tailstock: MT 4, quill stroke 45 mm Quill force: 200–600 N manual, (up to 2500 N adjustable—optional) Table swivel: 10 degrees Adjustment travel of feed spindle: 80 mm Rapid traverse stroke: 50 mm Coarse air cushion adjustment: 280 mm External grinding spindle motor: 4 kW (5.5 kW optional) Stepless grinding wheel speed setting 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: 80 litres Machine weight, net: 3,800 kg Feed drive via DC motor Air-cushioned rapid adjustment of the grinding headstock for quick and precise approach to the grinding position. Separate drives for external and internal grinding spindles. Fully automatic operation cycle, infeed movement controlled by cam switch: rapid approach, rapid return, grinding mode, feed stop, micron feed. Automatic longitudinal grinding cycle Central coolant supply to all grinding positions Workpiece headstock with infinitely variable drive for rotating or fixed spindle configuration. New digital feed control with Siemens touchscreen panel and Siemens PLC for longitudinal and plunge grinding, with input for retraction, feed values, feed rates, spark-out times, idle strokes; compatible with previous Karstens feed control. Features a colour Siemens touchscreen panel. Comparable to Weiss, EMAG, GP cylindrical grinding machines, Studer, Kellenberger, Schaudt, Tschudin, Tacchella, Dannobat. Iodpfxjh Rimmj Adnoa

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: - 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 Iedpoh Rixxofx Adnsa - 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: new, We offer spare parts of all kinds for your conventional or CNC Karstens/GP cylindrical grinding machine – for all components around your tailstock, workpiece spindle head, grinding spindle head, ball screws, glass scales, grinding wheel flanges, drive motors, axis drives (BOSCH SIEMENS), bellows, bearings, K11/K21 infeed controls new and used, reversing blocks for the Z-axis as exchange units... Also suitable for similar Weiss/EMAG/GP cylindrical grinding machines/Studer/Kellenberger/Schaudt/Tschudin/Tacchella/Dannobat . Ijdpfx Adjraibvsnoa