Used Mk4 for sale (247)

Condition: used, _____ Description: Year of manuf. : 1999 Control : Heidenhain 1830 M - KELCO 110/120 Grinding length : 1000 mm Centre width : 1000 mm Workpiece headstock: Swivel range:-10°/+100° Speed:800 rpm Center height:175 mm Internal mounting cone:MK5 Short taper external:DIN 55026 Workpiece weight max.:150 kg Grinding headstock: Design:Tandem grinding headstock B-axis:-210°/+30° Internal grinding device:Internal grinding spindle Grinding table (X-Axis): X-axis:320 mm Max. speed:7.5 m/min Resolution:0.1 μm Lower table (Z-axis): Center distance:1,000 mm Z-axis:1,150 mm Max. speed:15 m/min Resolution:0.1 μm Equipment: Coolant supply:Coolant system with filter Emulsion mist separator:Mechanical Tailstock:MK4, stroke 50 mm Workpiece measurement I:Movomatic TMP 91 Workpiece measurement II:Movomatic TNU 91 Tool measurement:Marpos A 90 Set-up mode:Electronic handwheel Hjdpfx Ajwz T Azeacjfn Accessories:Various flanges, tips and chucks

Condition: ready for operation (used), Year of construction: 2008, turning diameter over cross slide: 196 mm, spindle bore: 42 mm, turning diameter: 350 mm, Harrison V350 Lathe Year of manufacture: 2008 Variable spindle speed across three speed ranges, from 20 to 3250 rpm. Digital readout on two axes by Acu-rite. Longitudinal and cross feed. Swing over bed: 350 mm Swing over cross slide: 196 mm Swing in gap: 535 mm Chuck mount: Camlock D1-4 Spindle bore: 42 mm Tailstock taper: MK4 Hodpfexc H D Eex Aacefn Equipped with Multifix B quick-change toolpost and coolant system.

Condition: good (used), - MK4 - Automatic feed - Variomatic - Rotates clockwise and counterclockwise Hfsdpfx Asxc N T Aeacen - Cooling - Machine vise - Lighting - 380V

Condition: excellent (used), Year of construction: 1986, Heavy-duty lathe, turning machine, lathe, center lathe, center lathe Hfodpfewv Uvfjx Aacjn -Manufacturer: Knuth, lead screw and feed screw lathe type PICATOR 215/1250 -Machine bed: hardened -Turning length: 1260 mm -Turning Ø over bed: 470 mm -Turning Ø without bridge bed: 600 mm -Turning Ø over support: 280 mm -Spindle bore: Ø 55 mm -Spindle speeds: 36 - 2000 rpm -Wedge bar chuck: Forkardt Ø 200 mm -Tailstock mount: MK4 -Drive: 3.6 kW -Accessories: 1x steady rest, Multifix tool holder, tools see photos -Dimensions: 1020/2210/H1190 mm -Weight: 1200 kg

Condition: ready for operation (used), Reibo Suisse Column Drilling Machine Clamping tools Cross table Right/Left rotation Coolant pump Vice Hjdpfx Ajwz Hymjacefn Mk4 spindle taper Speed: 1050-530, 750-375, 265-132, 190-95 Feeds: 0.05 0.12 0.2 Cross table: Y: 25cm X: 49cm Weight approx. 1500kg L: 120cm W: 120cm H: Fully extended approx. 300cm

Condition: good (used), Year of construction: 2013, grinding diameter 390 mm grinding length 650 mm centre height 200 mm total power requirement 46 kW weight of the machine ca. 6 t dimensions of the machine ca. 3x3x2,4 m Universal cylindrical grinding – Type WUG21 (W27) Grinding length 650 mm EMAG Weiss stands for high-end technology in universal cylindrical grinding between centres. With its CNC-controlled WUG 21 machines, EMAG Weiss offers the right solution for virtually every user. --> Technical data Max. grinding length: 650 mm --> Centre height: 200 mm --> External grinding diameter: 1 – 390 mm --> Max. weight flying MK4: 100 kg --> Max. workpiece weight between centres: 250 kg --> Feed: --> X-axis travel: 480 mm --> Z-axis travel: 1.150 mm --> Workpiece headstock --> Tailstock --> Grinding spindle headstock --> Coolant device, manufacturer HYFRA, Hfsdpfx Aaow Inr Njcsn --> Belt filter, manufacturer Knoll, type KF 200 - year of manufacture 2012, --> Oil mist filter, manufacturer Cobaron

Condition: used, _____ Description: Year of manuf. : 2017 Control : Sonstige WEISS CNC Grinding length : 1000 mm Centre width : 1000 mm In General: Year of construction:2017 Control system:WEISS CNC Centre width:1,000 mm Centre height:200 mm Grinding disc diameter:400 mm + 500 mm Workpiece headstock Hfedpfswl S S Nex Aacjn Speed:10 -450 rpm Workpiece weight max.:250 (100) kg Sanding diameter max.:350 mm Mounting:MK4 C-axis:0,00,1° Cylinder correction:Yes Grinding headstock Peripheral speed:20 - 50 m/s Grinding disc diameter right:500 mm Grinding disc diameter left:400 mm X-axis:380 mm Z-axis:1,050 mm B-axis:continuously swivelling Internal grinding: Type:Adjustable internal grinding spindle Dimensions:D 80 x350 mm Dressing device:Yes Tailstock: Pinole diameter:50 mm Pionole stroke:45 mm Mounting:MK 4 Cylinder correction:Yes Equipment: Sanding spindles:2x sanding spindle (left/right) Internal sanding unit:Speed-controlled GAP / Crash Control:Structure-borne sound (Sensotronik) Internal grinding cut detection:Fluid sensor Balancing:Manual balancing device Coolant supply:Coolant system with filter Set-up mode:Electronic handwheel Emulsion mist separator:Mechanical Dresser:For external and internal grinding discs Magnetic clamping plates:Various clamping systems Chuck:1x Schnuk Rotoa-S Other accessories:Steady rest, flanges, spindles etc.

Condition: excellent (used), Year of construction: 1970, Model: AR 1000 - Year of manufacture: 1970 – 1991, geometrically overhauled - Condition: good to very good - Max. grinding diameter: 250 mm - Grinding length: 1000 mm - Plunge grinding length: 100 mm - Centre height: 180 mm Hfjdpfx Aasxfvyzocen - Centre taper: 60 MK4 - Grinding wheel size: max. 500 Ø x 300 Ø x 80 mm - Swivelling grinding head: +/- 45° - Dimensions: 3.2 x 1.7 x 1.6 m (LxWxH) - Required space: 4.13 x 2.02 x 1.6 m (LxWxH) - Weight: approx. 4,300 kg - Operating voltage: 380 V - Power: 7.5 kW (total 11.6 kW)

Condition: used, Hensoldt Wetzlar centering microscope MK4 Condition used Hodpfxsurlyqe Aacsfn Centering microscope with tightening thread suitable for lid machines

Condition: good (used), Year of construction: 1980, Heavy-duty lathe, turning machine, lathe, center lathe, center lathe -Manufacturer: VDF Heidenreich & Harbeck, Leadscrew and Feedscrew Lathe Type V3 -Machine bed: hardened -Turning length: 1700 mm -Turning Ø over bed: 500 mm -Turning Ø over support: 300 mm -Spindle bore: Ø 57 mm -Spindle speeds: 19 - 2000 rpm Hfedpfxjtvhryo Aacsn -Wedge bar chuck: Forkardt Ø 250 mm -Tailstock mount: MK4 -Bezel: 150 mm -Drive: 7.5 kW -Accessories: Keyless collet, tool holder, tools see photos -Dimensions: 1440/3370/H1515 mm -Weight: 2510 kg

Condition: good (used), Year of construction: 1970, functionality: fully functional, Data : Tip width 300 mm Tip height 150 mm External grinding spindle 4.0 kW Grinding wheel max. 400 x 80 x 127 mm Spindle cone MK4 Workpiece headstock 0.55 kW Hjdpjxbnlnefx Aacefn Workpiece speeds 30 - 450 rpm Internal grinding spindle 1.5 kW

Condition: used, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm dimensions of the machine ca. 3,6/3,5 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 is: Kellenberger Kel-Varia Baureihe mit Kelco 90 Steuerung. Mechanische Überholung: -komplette Maschine nach Kellenberger Messprotokoll überholt -Neue servicefreundliche Kabine -Neulackierung Elektrische Überholung: -Neue moderne CNC-RUNDSCHLEIFMASCHINEN-Steuerung -Neu aufgebauter Schaltschrank -Neue Antriebstechnik -Austausch sämtlicher elektrischer Leitungen Berus Druckschalter etc. -Neue Absolut-Glasmaßstäbe in x- und z -Neuer Absolut Drehgeber (Bei-B-Achse) Standardausstattung: -WSS mit Konus MK5, optional mit Adapter MK5/Kurzkegel -RST mit MK4 Konus. Optional mit Feinverstellung -Schleifspindelstock T1/T2/T3 Hodpeuwv H Tefx Aacsfn -T1 Schleifscheibendurchmesser 400mm -T2 Schleifscheibendurchmesser 300mm -T3 Innenschleifeinrichtung riemengetrieben. -Schleifspindelmotor 4,4kW -B-Achse hochauflösend -Marposs Messsystem zur Schleifscheibenvermessung. -Längspositionierung Marposs -GAP Control (Sensor am Schleifspindelstock) Optionen gegen Aufpreis: -HF Innenschleifspindel -Hochgenauer, höchst kippsteifer Werkstückspindelstock -Messteuerung 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.

Year of construction: 1978, condition: ready for operation (used), Drilling spindle stroke: 160mm, spindle taper: MK4, spindle speed: 1750rpm, reach: 300mm, feed: 0.3mm/rev, table dimensions X/Y: 620mm/470mm, machine dimensions X/Y/Z: approx. 620mm/950mm/1900mm, weight: approx. 450kg. Includes coolant system and threading device. An on-site inspection is possible. Hodpfx Aexc Ni Djacefn

Condition: used, _____ Description: Year of manuf. : 2020 Control : Sonstige WEISS CNC Centre width : 6 mm In Generel: ear of construction:2020 Control system:WEISS CNC Centre width:6 mm Centre height:200 mm Grinding wheel dimensions:400x60 mm + 0x60 mm Workpiece headstock: Speed:1 rpm Workpiece weight max.:25 kg Sanding diameter max.:390 mm Mounting:MK4 Grinding headstock: Peripheral speed:2 m/s Grinding disc dimensions right:0 x 60 mm Grinding disc dimensions left:400 x 60 mm X-axis:380 mm Z-axis:1,1 mm B-axis:torque motor, infinitely variable Hjdpfx Ajv Armcjacofn Tailstock: Pinole diameter: mm Pionole stroke:45 mm Mounting:MK 4 Cylinder fine adjustment:+/- 0.04 mm Equipment: Positioning sensors:Direct scales Grinding spindles:2x grinding spindle (left/right) GAP / Crash Controll:Structure-borne sound (Sensotronik) Balancing:MPM balancing device Workpiece measurement:Marposs PF ME Automation:Robot interface prepared Set-up mode:Electronic handwheel Emulsion mist separator:Mechanical Dresser:For external grinding wheel left/right Accessories:Various grinding discs + flanges

Condition: as good as new (ex-display), Year of construction: 2025, Karstens K11 1000 Premium Retrofit Cylindrical Grinding Machine Make Karstens Technical data: Center width: 1100 mm center height: 180 mm / (250 mm = option) workpiece weight: 100 kg flying, 300 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 quill force: 200-600 N manual, (up to 2500 N possible, adjustable = option) table inclination: 10 degrees feed spindle adjustment travel: 80 mm Hfsdoiv Au Ejpfx Aacon 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 3800 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. spindle. New infeed 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

Condition: new, Drilling capacity cast iron / steel ----- 35 / 30 mm Tapping capacity cast iron / steel ----- 22 / 20 mm Motor ----- 1.5 kW Speed range ----- 75 ~ 3200 rpm Spindle stroke ----- 130 mm Spindle adaptor ----- MK4 Cross table ----- 600 x 190 mm Foot ----- 650 x 450 mm Diameter T-slots ----- 12 mm Maximum distance spindle - table ----- 610 mm Maximum distance spindle - foot ----- 1180 mm Weight ----- 390 kg INCLUDING * LED work light * Cooling system * Digital depth stop * Tapping function * 2-speed motor 75-3200 rpm * CE plug * Toolbox with various tools Hsdpeq E N Uxjfx Aacefn

Condition: used, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm dimensions of the machine ca. 3,6/3,5 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 is: Kellenberger Kel-Varia Baureihe mit Kelco 90 Steuerung. Hfedpfxeuwv H Hj Aacjn Mechanische Überholung: -komplette Maschine nach Kellenberger Messprotokoll überholt -Neue servicefreundliche Kabine -Neulackierung Elektrische Überholung: -Neue moderne CNC-RUNDSCHLEIFMASCHINEN-Steuerung -Neu aufgebauter Schaltschrank -Neue Antriebstechnik -Austausch sämtlicher elektrischer Leitungen Berus Druckschalter etc. -Neue Absolut-Glasmaßstäbe in x- und z -Neuer Absolut Drehgeber (Bei-B-Achse) Standardausstattung: -WSS mit Konus MK5, optional mit Adapter MK5/Kurzkegel -RST mit MK4 Konus. Optional mit Feinverstellung -Schleifspindelstock T1/T2/T3 -T1 Schleifscheibendurchmesser 400mm -T2 Schleifscheibendurchmesser 300mm -T3 Innenschleifeinrichtung riemengetrieben. -Schleifspindelmotor 4,4kW -B-Achse hochauflösend -Marposs Messsystem zur Schleifscheibenvermessung. -Längspositionierung Marposs -GAP Control (Sensor am Schleifspindelstock) Optionen gegen Aufpreis: -HF Innenschleifspindel -Hochgenauer, höchst kippsteifer Werkstückspindelstock -Messteuerung 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: as good as new (ex-display), Year of construction: 2025, Tip height 181 mm chip width 650 mm largest grindable workpiece diameter 360 mm Hodpfx Aaetqf Sqscjfn max load on the fly 1000 N 100kg max load between centers 3000 N 300kg Z-axis Table inclination 10 degrees Table drive hydr. 0-4 m/min X-axis Adjustment path of the infeed spindle 80 mm Rapid traverse (hydraulic) 50 mm Coarse adjustment travel air cushion 280 mm Infeed drive by DC motor Rapid traverse speed 48 mm/min/Ø Infeed process Grooving Longitudinal grinding 4 preselectable speeds mm/min/Ø 0.01-48 4 preselectable infeed rates mm/ 0.001-0.1 Firing during infeed grinding s 0-99 0-99 strokes Jog infeed mm/Ø 0.001 Grinding headstock Universal, swiveling degrees 0-180 Grinding wheel:Outer D x w x d mm 500x100x127 or 203.2 Grinding wheel.face (option) D mm 250x32x76.2 Grinding wheel. Internal (option) D mm (2-250) Drive power: External, flat kW 5.5 (7.5) Drive power: Internal kW 2.2 Peripheral speed: Outer m/s 35 (50) Grinding wheel wear: Outer mm/Ø 160 Guard width mm 100 Grinding spindle diameter mm 60 Internal spindle mount mm 80 (100) Workpiece headstock: Drive infinitely variable: Mk 4 1/mm 30-270/ 50-450 Workpiece spindle can be fixed Spindle holder mm MK 4/24 Spindle nose for flange mounting: MK 4 mm cylindrical Ø63H6 x 6 Workpiece headstock can be swiveled on turning part degrees 0-90 Tailstock: Quill holder/ quill diameter mm MK4750 Quill stroke mm 45 Quill force N 100-800/ 250-1400 adjustable Manual quill actuation (foot switch) Quill fine adjustment +- 40µ Connected loads: Total connected load of the machine kW 6.5 -10 Grinding headstock kW 5.5 (7.5) Workhead kW 0.55 (1.1) Coolant cleaning kW 0.75 - 2.2 Lubrication pump guideways kW 0.1 Hydraulic pump kW 1.5 Hydraulic reservoir liter 80 Pneumatics bar 6

Condition: new, Drilling capacity cast iron / steel ----- 35 / 30 mm Tapping capacity cast iron / steel ----- 22 / 20 mm Motor ----- 1.5 kW Speed range ----- 75 ~ 3200 o/min Spindle stroke ----- 130 mm Spindle adaptor ----- MK4 Drilling table ----- 540 x 470 mm Foot ----- 650 x 450 mm Diameter T-slots ----- 12 mm Maximum distance spindle - table ----- 610 mm Hsdpfx Asq E N U Hjacefn Maximum distance spindle - base ----- 1180 mm Weight ----- 320 kg INCLUDING * LED work light * Cooling system * Digital depth stop * Tapping function * 2-speed motor 75-3200 rpm * CE plug * Toolbox with various tools

Condition: refurbished (used), Year of construction: 1990, Karstens K11 1000 full equipment The cylindrical grinding machine was completely overhauled at PS-Karstens. The machine is inspected 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: 1000 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 Hodpoh Riwdsfx Aacofn workpiece spindle motor: 0,55 KW Machine weight: Net 3800 Kg 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 Digital displays for grinding spindle B axis ,workpiece spindle, X, Z axis from HEIDENHAIN Paper belt filter automat approx. 250 L similar to Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat

Condition: new, Center length ----- 500 mm Hfedepz Iy Aepfx Aacsn Center height ----- 125 mm Turning diameter above bed ----- 250 mm Turning diameter above slide ----- 150 mm Spindle intake ----- MK4 Passage of main spindle ----- 26 mm Bed width ----- 140 mm Spindle speed ----- 80-1600 rpm Loose head ----- MK3 Motor ----- 750W Lathe equipped with automatic longitudinal and transverse feeding Includes: lower case, 3-jaw chuck, 4-jaw chuck, chuck, fixed goggles, moving goggles, CE shield

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, Hodpfxeiv Audj Aacjfn with colored Siemens touch panel scale in X and Z axis make HEIDENHAIN. similar to Studer/ Kellenberger/ Schaudt/ Tschudin/ Tacchella/ Dannobat

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 Hodpfxsh Rixxs Aacofn 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 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) 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 Hfsdpsh Rftlsfx Aacen 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

Condition: as good as new (ex-display), Year of construction: 2025, Tip height 181 mm chip width 1000 mm largest grindable workpiece diameter 360 mm max. load on the fly 1000 N 100kg max load between centers 3000 N 300kg Z-axis Table inclination 10 degrees Table drive hydr. 0-4 m/min X-axis Adjustment path of the infeed spindle 80 mm Rapid traverse (hydraulic) 50 mm Coarse adjustment travel air cushion 280 mm Infeed drive by DC motor Rapid traverse speed 48 mm/min/Ø Infeed process Grooving Longitudinal grinding 4 preselectable speeds mm/min/Ø 0.01-48 4 preselectable infeed rates mm/ 0.001-0.1 Firing during infeed grinding s 0-99 0-99 strokes Jog infeed mm/Ø 0.001 Grinding headstock Universal, swiveling degrees 0-180 Grinding wheel:Outer D x w x d mm 500x100x127 or 203.2 Grinding wheel.face (option) D mm 250x32x76.2 Grinding wheel. Internal (option) D mm (2-250) Drive power: External, flat kW 5.5 (7.5) Drive power: Internal kW 2.2 Peripheral speed: Outer m/s 35 (50) Grinding wheel wear: Outer mm/Ø 160 Guard width mm 100 Grinding spindle diameter mm 60 Internal spindle mount mm 80 (100) Workpiece headstock: Drive infinitely variable: Mk 4 1/mm 30-270/ 50-450 Workpiece spindle can be fixed Spindle holder mm MK 4/24 Spindle nose for flange mounting: MK 4 mm cylindrical Ø63H6 x 6 Workpiece headstock can be swiveled on turning part degrees 0-90 Tailstock: Hsdpjtqf Rzofx Aacjfn Quill holder/ quill diameter mm MK4750 Quill stroke mm 45 Quill force N 100-800/ 250-1400 adjustable Manual quill actuation (foot switch) Quill fine adjustment +- 40µ Connected loads: Total connected load of the machine kW 6.5 -10 Grinding headstock kW 5.5 (7.5) Workhead kW 0.55 (1.1) Coolant cleaning kW 0.75 - 2.2 Lubrication pump guideways kW 0.1 Hydraulic pump kW 1.5 Hydraulic reservoir liter 80 Pneumatics bar 6