Used Schaudt Mikrosa Cylindrical Grinding Machine for sale (64,932)

Condition: used, Year of construction: 1994, grinding diameter 300 mm grinding length 600 mm workpiece weight 80 kg grinding wheel diameter 508 mm Control Siemens type 840 C Fsdpfx Asyqv A Usfkogc grinding spindle speed 45 m/s power capacity - grinding motor 7,5 kW z-axis 865 mm x-axis 250 mm centre distance 1000 mm number of turns of spindle head 1-800 U/min weight of the machine ca. 4,85 t The tech. Data are manufacturer or operator information and therefore non- binding. We reserve the right to prior sale; Our terms and conditions of sale apply exclusively. About us More than 400 of our own machines in stock Over 15,000 m² of storage space, 70 t crane capacity More than 10,000 items and accessories for your workshop If you are interested in selling machines, production lines, or your business, please contact us. You can find further offers on our website. Tours are possible by appointment. We look forward to your visit. Your Markus Hirsch Team

Condition: as good as new (ex-display), Year of construction: 2024, functionality: fully functional, Working area Grinding length: 250 mm Centre height: 100 mm Workpiece weight: 30 kg Z-axis: 350 mm Table adjustment: 8 ° degrees X-axis: 190 mm Grinding spindle Grinding wheel diameter max.: 500 mm Grinding wheel width max.: 80 mm Grinding wheel bore: 127 (203) Fodpfx Afjvz Snkokogc Grinding wheel motor power: 5.5 kW Peripheral speed: 50 m/s Grinding wheel protection cover: D500 x 80mm Workpiece spindle Speed: 1 - 2,000 rpm Workpiece spindle mount: MK4 Tailstock Tailstock quill mount: MK3 Tailstock quill stroke length: 30 mm Cylinder fine adjustment range: ± 0.04 Equipment Paper belt filter system Rinse gun Mechanical fume extraction

Condition: used, Year of construction: 1979, grinding diameter 630 mm grinding length 4000 mm centre height / mm weight of the machine ca. 32000 kg Discover precision machining with the STANKO 3M194, equipped with a spacious grinding area of 630 x 4000 mm. Weighing at 32,000 KG, this robust machine ensures stability and reliability in your machining processes. Classified under HS-Code 84602910, it meets international standards for quality and performance. Fodpfx Afjvm Dzajksgc Grinding Dimensions: 630 x 4000 mm Weight: 32,000 KG HS-Code: 84602910 Discover precision machining with the STANKO 3M194, equipped with a spacious grinding area of 630 x 4000 mm. Weighing at 32,000 KG, this robust machine ensures stability and reliability in your machining processes. Classified under HS-Code 84602910, it meets international standards for quality and performance. The 3M194 not only offers impressive dimensions but also incorporates innovative technology, ensuring top-notch results. With its reliable design and precise performance, this cylindrical grinding machine is ideal for processing a variety of workpieces. The precise control and versatility of the STANKO 3M194 make it the perfect choice for companies striving for the highest quality standards in metal machining. Trust in the proven technology of STANKO to optimize your manufacturing processes and achieve superior results. Invest in the future of your production with the STANKO Cylindrical Grinding Machine 3M194 - the perfect combination of performance, precision, and reliability. Contact us today to learn more about this outstanding grinding machine and how it can meet your manufacturing requirements.

Condition: excellent (used), Year of construction: 1982, Max. grinding diameter: 400mm Max. grinding length: 2000mm Max. workpiece weight: 300kg Fedpfezbh Azox Afkogc YOM: 1982

Condition: defective spare-parts repository (used), We offer you: Cylindrical grinding machine Manufacturer: Karstens For spare parts The main spindle grinding head is missing Fgedpfsxxxrtox Afkjc Accessories, illustrated tools, and clamping devices are only included if stated in the additional information. Subject to changes and errors in technical data and details, as well as prior sale!

Condition: used, Year of construction: 2017, grinding length 1000 mm centre height 180 mm length 3600 mm width 1650 mm height 1800 mm Fsdswp Tumspfx Afksgc weight of the machine ca. 3,7 t

Condition: used, Year of construction: 2017, grinding length 1500 mm centre height 180 mm weight of the machine ca. 3,9 t dimensions of the machine ca. L: 4900 x 1650x 1800 m Fgjdjwm Rqgjpfx Afkec

Condition: used, Year of construction: 1960, grinding diameter ca. 360 mm grinding length 1500 mm serial number 12013 Fgjdpfxsw Sya Tj Afksc

Condition: used, Year of construction: 1999, grinding diameter 120 mm Fedpew Sybdsfx Afkogc centre height 100 mm Stirnschleifeinrichtung Kein Typenschild auffindb

Condition: excellent (used), Year of construction: 2001, center height: 525 mm, workpiece weight (max.): 5,000 kg, grinding length: 4,000 mm, grinding wheel diameter: 1,060 mm, The machine underwent a retrofit in 2024. Control: Siemens Sinumerik 840D. Fgodpfjw Ngm Uox Afkjc

Condition: used, Year of construction: 1994, Technical details: grinding diameter: 300 mm grinding length: 600 mm Fgodpevgbzdefx Afksc centre height: 190 mm z-axis: 865 mm x-axis: 250 mm clamping length: 1000 mm peripheral speed: 45 m/sec grinding slide swivable +/-: 8 ° grinding wheel width x diameter: 80 x 508 mm work piece spindle speed: 1 - 800 U/min weight of the machine ca.: 5 t Machine with SIemens 840 C control - coolant device - Marposs measuring device *

Condition: used, Year of construction: 1982, Technical details: grinding diameter: 600 mm grinding length: 3000 mm Fodpjvb Dl Uofx Afksgc centre height: 315 mm workpiece weight max.: 3000 kg work piece spindle speed: 8 - 120 U/min grinding wheel motor: 25 kW grinding wheel speed: 45 m/sec grinding wheel width x diameter: 750 x 80 mm table speeds: 30 - 4500 mm/min feeds of grinding head: 0 - 5 mm/min table swivelabel +/-: 7,5 ° total power requirement: 55 kVA weight of the machine ca.: 18 t dimensions of the machine ca.: 11,5 x 4 x 2,2 m - Internal grinding device - taper grinding up to 10,1° based on diameter - automatic grinding cycle - grinding wheels and flanges - dressing device - coolant attachment - dust exhauster, various steady rests *

Condition: used, Year of construction: 1990, grinding diameter 360 mm grinding length 1000 mm Fsdexbh Ebopfx Afkegc centre height 180 mm max. workpiece weight between centres 250 kg Maschine mit sehr wenigen Betriebsstunden nach Überholung beim Karstens Fachbetrieb. Zustellsteuerung Jetter Digitalanzeige Innenschleifvorrichtung Reitstock mit Zylindrizitätsfeinverstellung Hydraulische Reitstockpinole Etc... Luftkissenschnellverstellung Schleifspindelstock

Condition: used, Year of construction: 1995, grinding diameter 350 mm grinding length 1000 mm centre height 175 mm Completely overhauled in 2013 Heavy duty workpiece headstock tailstock Fsdpfxjxyadas Afkogc Without chuck and without bezel in the photo Kelco 90 control The machine can be viewed in operation at the customer's premises from 2025 up to and including January 2026.

Condition: used, Year of construction: 2000, grinding diameter 450 mm grinding length 1000 mm centre height 225 mm Photo of machine already delivered in similar scope: -major maintenance -New table geometry -partial painting of the interior grinding wheel equipment LEFT 400x63x127mm (standard) grinding wheel equipment RIGHT 300x40x127mm Internal grinding unit Ø120mm for HF spindles CNC control KELCO 120 C-axis for non-circular grinding. Kel-Poly B-AXIS: CNC-controlled B-axis KELCO 120: v constant 35m/s or 45m/s High-frequency internal grinding spindle Operating unit for MFV and MFZ spindles Hydraulic quill retraction for the tailstock NO micro-adjustment on the tailstock Spring-loaded quill insert Top table cooling Standard workpiece headstock MK 5 DIN 55026 size 5" Micro-adjustment for the standard workhead Dressing device on the lower table Active longitudinal positioning KELPOS, MARPOSS, mounted on the grinding head Tool measuring system KELSET, MARPOSS MARPOSS gate sensor Fgedpjxzk Nisfx Afkoc Measuring control MARPOSS Minialsar prepared Paper belt filter

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. Fedpfx Afjuwv H Tskogc 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: used, grinding diameter 350 mm grinding length 1500 mm centre height 175 mm 500mm grinding wheel diameter New servomotors in x and for the workhead. Photo of already delivered machine in UR equipment. -Operation via the touch panel is extremely simple. -The symbols on the control panel are practically identical to the original original control system, so there is no need for training. -Diagnostic function with display of PLC information and digital I/O -Dressing function can be extended or changed at the customer's request. Fgsdpjuwv Idefx Afkoc -Oriented spindle stop of the workpiece spindle possible on request. -New maximum infeed of 40 mm can be extended on request. -Digital display in 2 axes. Resolution x-axis 0.5my Options: -Rotary encoder with digital display in the workpiece headstock -Rotary encoder with digital display in the grinding headstock (no height adjustment with spindle possible) with spindle possible) -Increase of the center height to max. 225mm -Speed control for the grinding spindle Translated with (free version)

Condition: used, grinding diameter 350 mm grinding length 600 mm centre height 175 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 0-9,99 mm/Ø 0-9,99 mm/Ø ±10 ° longitudinal feed of the table 1100 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannung kg cross travel max. 270 mm 80 mm tailstock quill taper MT 3 quill travel 30 mm total power requirement 6,5 kW weight of the machine ca. 3,05 t dimensions of the machine ca. 4 x 2 m Overhauled according to Kellenberger guidelines including new, modern and future-proof control system. Photo of already delivered machine in centre distance 1000mm. -Operation via the touch panel is extremely simple. -The symbols on the control panel are practically identical to the original original control system, so there is no need for familiarisation. -Diagnostic function with display of PLC messages and digital I/O -Dressing function can be extended or changed at the customer's request. -Orientated spindle stop of the workpiece spindle possible on request. -New maximum infeed of 40 mm can be extended on request. -Digital display in 2 axes. Resolution x-axis 0.5my Options: Fgjdpfxeuxft Eo Afkjc -Encoder with digital display in the workpiece headstock -Rotary encoder with digital display in the grinding headstock (no height adjustment with spindle possible) with spindle possible) -New stable internal grinding device diameter 80mm or 100mm with height adjustment. -Increase of the centre height to max. 225mm -Speed control for the grinding spindle Included: -Operating tool -Clamping tube for chuck Further accessories on request. The x-axis of the machine has an electronically controlled infeed system with stepper motor drive. Hydraulic longitudinal and rapid traverse table movement. Versatile application in production for external cylindrical and internal internal grinding or for external, face and internal grinding in one clamping clamping of individual parts. Possible options: -Semi-automatic dressing cycles for external and internal grinding -automatic dressing compensation. -Measuring control

Condition: used, Year of construction: 1987, grinding diameter 200 mm grinding length 400 mm centre height 100 mm Geometrically overhauled and repainted Fgsdpfx Ajvw Duuofkec With internal grinding device Accessories on request The machine can be viewed in operation at the customer's premises from 2025 through January 2026.

Condition: used, grinding diameter 250,350,450 mm grinding length 1500 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 ± 6 ° longitudinal feed of the table 1750 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 80 mm total power requirement 6,5 kW weight of the machine ca. 2,9 t dimensions of the machine ca. 5,6 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. Geometrisch überholt und neu lackiert mit original Elektrik jedoch neuer WSS Antrieb und Regler in Drehstromtechnik. Optional mit Spritzschutztüren und bedienpult vorne siehe Foto 1000U. -Digitalanzeige in 2 Achsen. Auflösung x-Achse 0,5my Optionen: -Schwenkwinkelanzeige Obertisch -Drehgeber mit digitaler Anzeige im Werkstückspindelstock -Drehgeber mit digitaler Anzeige im Schleifspindelstock (keine Höhenverstellung mit Spindel möglich) -Neue stabile Innenschleifvorrichtung Durchmesser 80mm oder 100mm mit Höhenjustierung. -Erhöhung der Spitzenhöhe auf max. 225mm Inklusive: -Bedienwerkzeug -Spannrohr für Futter Fsdjd Ih Dvopfx Afkjgc weiteres Zubehör auf Anfrage. 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: used, grinding diameter 250,350,450 mm grinding length 1500 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 Fgjdpfx Afsd Ih Dwoksc ± 6 ° longitudinal feed of the table 1750 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannugkg kg 80 mm total power requirement 6,5 kW weight of the machine ca. 2,9 t dimensions of the machine ca. 5,6 x 2,0 m Overhauled with geometric KELLENBERGER protocoll. Pictures of a similar 1000mm machine. -New electrical cabinet -Modern workhead -Modern tailstock -Modern hydraulic power unit -air lift for grindingwheeel head -modern internal grinding device Extension of the upper table swivel to 10° Optional: -Swivel angle digital read out upper table -Swivel angle digital read out workhead -Swivel angle digital read out grindingwhell head -Splash protection door z-axis -Splash protection housing x-axis etc. ADDITIONAL: -we can offer service for the machines -we can offer technical advice -we can offer training -we have spare parts -we have accessories

Condition: used, grinding diameter 250,350,450 mm grinding length 600 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 ±10 ° longitudinal feed of the table 900 mm table speeds 0,02-6 m/min 130 kg Fgedpfx Asd Ih D Njfksc 130 inkl. Spannugkg kg 70 mm total power requirement 6,5 kW weight of the machine ca. 2,2 t dimensions of the machine ca. 3,1 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 rhauled with geometric KELLENBERGER protocoll -2-axis DRO -Paper filtration 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: used, grinding diameter 250,350,450 mm grinding length 600 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 ±10 ° longitudinal feed of the table 900 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. 2,2 t dimensions of the machine ca. 3,1 x 2,0 m Compete overhauled machine according to Kellenberger new machine protocoll -Digitalanzeige in 2 Achsen. Auflösung x-Achse 0,5my Optionen: -Drehgeber mit digitaler Anzeige im Werkstückspindelstock -Drehgeber mit digitaler Anzeige im Schleifspindelstock (keine Höhenverstellung mit Spindel möglich) -Neue stabile Innenschleifvorrichtung Durchmesser 80mm oder 100mm mit Höhenjustierung. -Erhöhung der Spitzenhöhe auf max. 225mm -Drehzahlregelung für die Schleifspindel Inklusive: Fgedpfxod Ih D Rs Afkoc -Bedienwerkzeug -Spannrohr für Futter -Spitze MK3 -Spitze MK5 -Futterflansch weiteres Zubehör auf Anfrage. 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: used, grinding diameter 350 mm grinding length 1500 mm centre height 175 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 0-40 mm/Ø 0-40 mm/Ø ±6,5 ° longitudinal feed of the table 1530 mm table speeds 0,02-6 m/min 130 kg 130 inkl. Spannung kg cross travel max. 270 mm 80 mm tailstock quill taper MT 3 quill travel 30 mm total power requirement 6,5 kW weight of the machine ca. 3,05 t dimensions of the machine ca. 4 x 2 m Overhauled according to Kellenberger guidelines Fgodpfx Afouxftrskoc including new, modern and future-proof control system. Photo of machine already delivered with special options -Operation via the touch panel is extremely simple. -The symbols on the control panel are practically identical to the original original control system, so there is no need for familiarisation. -Diagnostic function with display of PLC messages and digital I/O -Dressing function can be extended or changed at the customer's request. -Orientated spindle stop of the workpiece spindle possible on request. -New maximum infeed of 40 mm can be extended on request. -Digital display in 2 axes. Resolution x-axis 0.5my Options: -Encoder with digital display in the workpiece headstock -Rotary encoder with digital display in the grinding headstock (no height adjustment with spindle possible) with spindle possible) -New stable internal grinding device diameter 80mm or 100mm with height adjustment. -Increase of the centre height to max. 225mm -Speed control for the grinding spindle Included: -Operating tool -Clamping tube for chuck Further accessories on request. The x-axis of the machine has an electronically controlled infeed system with stepper motor drive. Hydraulic longitudinal and rapid traverse table movement. Versatile application in production for external cylindrical and internal internal grinding or for external, face and internal grinding in one clamping clamping of individual parts. Possible options: -Semi-automatic dressing cycles for external and internal grinding -automatic dressing compensation. -Measuring control

Condition: used, Year of construction: 2002, grinding diameter 450 mm grinding length 1500 mm centre height 225 mm Control FAGOR EQUIPEMENT - T1: grinding wheel diameter 500 mm - T2: grinding wheel diameter 400 mm - T6: HF Fischer spindle MFV or MFZ 1224/1242/1260 - T7: HF Fischer spindle MFV or MFZ 1224/1242/1260 - Marposs tool measurement - active longitudinal positioning - Elaso GAP-control on T1 and T2 contactless integrated in the control surface - Elaso GAP internal grinding with fluid sensor for T6 and T7 - semi-automatic balancing by Elaso integrated in the control surface for T1/T2 - tailstock hydraulic with fine adjustment +/- 150 microns - dresser on workpiece spindle side table mounted - dresser on tailstock side table mounted - dresser on upper table - new service- and userfriendly housing SPECIAL EQUPEMENT: Workhead with direct drive - strongly recommended for non-circular grinding - workpiece weight flying max. 75kg - workpiece weight between centres 150kg - water-cooled B-axis with direct drive - center height 225 mm - extremely torsionally stiff - highly accurate positioning - resolution ° - water-cooled Hydrostatic ball screw - x-axis - wear-free, as there is no contact during operation - no loss of precision, even during long-term use at full load and maximum speed - no friction at low speeds - no friction force backlash when the direction of rotation changes - translates even the smallest rotational movements - no stick-slip effect even at low speeds - no fluctuations in frictional torque due to ball circulation - higher axial stiffness compared to ball screws - significant improvement in damping, resulting in better workpiece surface finish and tool life - no oscillations due to ball circulation - also suitable for high speeds and accelerations - cost-effective alternative to the linear motor with greater precision and significantly lower heat generation - significantly less power dissipation and, as a result, no problems with swarf on permanent magnets New hydraulic unit - optimized temperature control (chiller) - Energy-saving Only one pump controlled by VFD - Pressure monitoring - monitoring of the hydrostatic oil for water content. (Damage to the bellows is recognised and detected prematurely) -fine adjustment +/- 150 microns Paper belt filter 375l – alternative 480l Grinding mist extraction system – emulsion MECHANICAL OVERHAUL -complete machine according to Kellenberger protocoll -new painting ELECTRICAL OVERHAUL - new modern Fagor CNC with BEMA HMI - new electric cabinet - new digital drive technology - replacement of all electrical cables, switches etc. - new absolute external scales in x- and z-axis - new absolute encoder (B-axis) Grinding software BEMA-Standard: - workpiece zeroing - grinding wheel zeroing - dressing diamond measuring - corrections - external and internal surface grinding - external and internal angle grinding (turning of the b-axis, dressing with straight wheel) Fsdsuxfu Nspfx Afkegc - external and internal radius grinding (radius dressed on wheel) - semi-automatic traverse grinding - workpiece zeroing - 2 dressing diamonds - 1 dressing blade - dressing roll - 3 flat dresser - corrections - Z-position measurement - GAP control Optional grinding cycles at no extra charge: Profile plunge grinding: - external and internal profile plunge grinding with profile wheel Pr...