Used Rotary Table Grinding Machine for sale (67,843)

Condition: good (used), functionality: fully functional, rotary table diameter: 1,000 mm, overall weight: 9,000 kg, grinding diameter: 1,000 mm, type of input current: three-phase, workpiece diameter (max.): 1,000 mm, table diameter: 1,000 mm, Hello, We have a 55kW carousel surface grinder with a 1000mm diameter table for sale. The grinder was purchased last year and comes with a complete set of accessories, including: Bsdozxpi Aepfx Ahdjlp - Siemens 55kW soft starter - 2 sets of grinding wheels - Original control cabinet - Sludge separator - Tank with pump We invite you to make a purchase.

Condition: new, functionality: fully functional, Jainnher Machine Co., Ltd. was established in 1982 and is dedicated to developing grinding machine technology, diversity and automation equipment. Jainnher is constantly offering new and improved machinery. The new JAINNHER JHP-4015 CNC Plunge Type machine with FANUC CNC Control. Hydrostatic and Hydrodynamic bearings. Capacity Max ø work swing Ø400 mm Max grinding length 1500mm Max grinding dia. Ø380 mm Max workpiece weight 150 kgs Distance between centres 1500mm Centre height 200mm Grinding wheel Grinding wheel size Ø410 x 50-100 x 203.2mm Max peripheral 33 m/sec Wheel speed 1250rpm Bledpfx Ahsnzib Eedep Wheel head Feed angle 90 Swivel angle ±0 Rapid traverse speed 6m/min Max. travel 280mm Min. setting unit 0.0001mm Grinding feed rate 0.001~6000m/min Oil Pressure Hydrostatic = 20kg Hydrodynamic = 3kg Tailstock Retraction of quill 30mm Quill diameter 70mm Centre taper MT.4 ( MT.5 option) Hydraulic cylinder pressure 20kg Work head Spindle speed (variable) 10~500rpm/min Centre taper MT.4 ( MT.5 option) Spindle type Telescopic (option Swivel angle 120 (90ºCCW;30ºCW) Work- table Min. setting unit 0.0001mm Swivel angle CCW/CW +7º/-4º Rapid traverse speed 10m/min Max. travel 1500mm Motor Grinding feed rate 0.001~6000mm/min Grinding wheel motor 7.5HP 4P(opt. 10.0HP) 4P Workhead motor 1.5KW Work table (Z axis) 1.8KW Work table (X axis) 1.8KW Hydraulic pump 1/4 HP 4P Wheel head pump Hydrostatic = 2.0HP Hydrodynamic = 1.0HP Coolant pump 1/8 HP 2P Magnetic coolant separator 1/25HP 2P Oil cooler ----- Oil tank Hyd. oil tank(slideways, screw ends & measurement) 60L Wheel head lubrication 50L Coolant tank 160L Machine N.W (Fully enclosed) 8080 kg G.W (Fully enclosed) 8480 kg Dimension (Fully enclosed) 4900 x 2100 x 2000mm Packing (Fully enclosed) 5090 x 2200 x 2200mm

Condition: new, functionality: fully functional, he EUROPA JAINNHER JHV-1008CNC vertical grinding machine is designed for grinding of large components used in the transport, aerospace, power generation, oil & gas, hydraulic and precision components. With a grinding internal diameter range from Ø50 to 800 mm, a maximum outside diameter of Ø1000 mm. The maximum height of the workpiece is 800mm, with a maximum worktable load of 1200 kg. EUROPA Jainnher JHV-1008 CNC Vertical Grinder Blsdpfx Asnzkvhjhdop Capacity Range of I.D. grinding 50 – 800mm Maximum O.D grinding 1000mm Z axis maximum grinding height (OD) 800mm Z axis maximum grinding height (ID) 50 – 250 : 325mm / 250 – 800 : 800mm Maximum swing diameter 1000mm Maximum installed component height 800mm Maximum work table load 1200kg Email for latest factory build availability

Year of construction: 1964, condition: used, -WKG 429- We are offering a grinding machine from Naxos Union. This is a vertical rotary table surface grinding machine with 2 vertical grinding spindle units. Technical data: Manufacturer: Naxos Union Type: FRDA 600/1000 Year of manufacture: 1964 Rotary table: Ø 1100mm Grinding wheel Ø: Shrink-fit arbor 475/254 Grinding wheel Ø: Plain arbor 457/357 Weight: 8t Grinding method: Segment grinding Bodeg Nt Dbopfx Ahdolp Segment grinding heads: 2 pcs Accessories: Dressing device Water tank with paper band filter Marposs control

Condition: used, Rotary transfer table, rotary indexing table with 16 stations Rotary transfer machine + hydraulic press TOX Rotary transfer machine, special-purpose machine with several assembly stations Manufacturing and assembly system using a rotary transfer process From the special-purpose machine manufacturer "AKE-technologies GmbH" Serial number: Order number: 11111 Year of manufacture: 2012 - large rotary indexing table WEISS, type TC500, with 16 stations - pressing station with TOX power unit - vibratory conveyor Bsdpfx Ahegd D U Ejdslp - conveyor belts - inspection stations - some stations are still visible in the pictures but have already been dismantled Space requirement L x W x H approx. 3500 x 2750 x 2300 mm Weight approx. 3000 kg All in like-new condition - The system has never been used in series production.

Condition: good (used), Machine vice base plate, clamping plate, vise plate, rotary table -Rotary table: Turntable for vise -T- Round groove: 20 mm, dimensions see photos -Degree display -Dimensions: 350/320/H45 mm -Weight: 20 kg Bsdpfx Asykzhvehdslp

Condition: used, Universal swivel-tilt-rotary table DECKEL type FVW, suitable for FP 2 or FP 3 (Deckel no. 62473). Table size: 700 x 240 mm. Swivel range: +/- 30° in all directions. Weight: approx. 90 kg. Bjdpfx Ajxcilrshdjlp

Condition: used, Year of construction: 1969, rotary table diameter 1000 mm grinding height 500 mm grinding head - power requirement 15/5,5 kW total power requirement 30 kW weight of the machine ca. 18 t dimensions of the machine ca. m S I E L E M A N N (Germany) Hydraulic Rotary Table Internal and Face Grinding Machine with two grinding heads and with horizontal workpiece clamping Model RFsB 100 Year 1969 / fully reconditioned by the manufacturer in 1990 _____ Max workpiece Ø 1,000 mm Max. height of workpiece, approx. 400 mm Mounting height under grinding spindles approx. 500 mm Grindable Bore Ø, approx. 50 – 900 mm Max. Workpiece weight approx.. 900 kg Distance between Table bore and column 1.150 mm Table Ø / Face plate Ø, approx. 1,000 mm Table speeds, hydraulic, infinitely variable, right/left 5 – 60 rpm Table/workpiece infeed, 5 steps 0.0025 – 0.025 mm/stroke Table stroke approx. 500 mm Distance between grinding spindle and machine body 600 mm Bodpfxju Su Apj Ahdelp Surface Grinding Head Ø (Segmented wheel) 450 mm Grinding slides stroke, max. 500 mm Grinding slide speeds, infinitely variable 0.2 – 1 m/m Max. Internal Grinding spindle Ø 140/100 mm Grinding cup wheel Ø, up to approx. 200 mm Motor for Surface Grinding 15 kW / Motor for Internal Grinding Spindle 5,5 kW Total electrical load, approx. 30 kW - 380 V - 50 Hz Weight, approx. 18,000 kg Accessories / Special Features • The rotary table carries the workpiece and is also actuating the automatic grinding infeed • The relevant Grinding head can be swivelled in by turning the Column (hydraulic lift) so the workpieces can be ground in one setting with exact angles. • Built-on magnetic face plate, Ø approx. 1,000 mm, with 5 T-slots and stepless adjustment for the magnetism • Automatic workpiece infeed, with automatic depth stop. • Separate Height adjustment of internal grinding head, Grinding spindle Ø 100 mm. • Dressing devices mounted on each grinding head, Separate Switch Cabinet and hydraulic unit, • No Coolant Device available This machine is ideal for grinding bulky and heavy workpieces like housings, gears (!) bearing rings, cylindrical knives, etc. Condition: Good. Machine can be inspected soon under power Delivery : Ex stock as inspected. Payment : Net, after conclusion of contract.

Condition: good (used), Year of construction: 2000, clamping force: 4,000 kN, _TECHNICAL DATA – ENGEL ES 1800H/500W/400 HL-2F_ _INJECTION UNIT_ | AG1800H | AG500W Screw diameter: 70 mm | 40 mm Screw length: L/D 20 | 20 Metering stroke: 270 mm | 200 mm Screw speed: 226 rpm | 400 rpm Shot rate: 81 g/s | 32 g/s Injection rate: 386 cm³/s | 198 cm³/s Max. shot volume: 1039 cm³ | 251 cm³ Spec. injection pressure: 1441 bar | 1300 bar Spec. inj. pressure (increased): 1735 bar | 2020 bar Nozzle stroke: 750 mm | +5/-100 mm Nozzle contact force: 144 kN | 63 kN Bsdpfx Ahszvf H Eodolp Heating capacity: 30.2 kW | 11.4 kW Heating zones (incl. nozzle): 5 | 7 _CLAMPING UNIT_ Clamping force: 4000 kN Opening stroke: 950 mm Ejector force: 82 kN Ejector stroke: 250 mm Max. platen distance: 1550 mm Min. mold height: 600 mm Platen BAP: 1400×1080 mm Platen FAP: 1400×1200 mm _DRIVE_ Pump power: 55 kW Oil (main tank): 540 l Oil (suction tank): 400 l _WEIGHT (without oil)_ Clamping unit: 27 850 kg Inj. unit AG1800H: 5 600 kg Inj. unit AG500W: 1 000 kg

Condition: good (used), Year of construction: 2012, For sale are 2 identical injection molding machines from Netstal, type SynErgy 2000-230/110. The machines were in production until recently. The company from which these machines originate places great emphasis on maintenance and servicing, which is why the machines are in very good condition. 2-cavity function Rotating platen Designation: Netsal SynErgy 2000 Year of manufacture: 2012 Operating hours: 28,828 Weight: 13,300 kg Clamping force in kN: 2000 Injection unit: 230 Machine drive: 45 kW drive power Length: 6901 mm Width: 2075 mm Height: 2240 mm Blsdokv Uq Ispfx Ahdjp Cylinder size AG1: 20mm / 32mm - Available Cylinder size AG2: 25mm / 32mm - Available ____ Handling: Wittmann, can be purchased separately Serial number: W833PRO – 0284 Operating hours approx.: 13,000 h Year of manufacture: 2016 Conveyor belt (lower) Width: 400 mm Length: 2300 mm The systems can be purchased complete or as individual parts. Machines have already been disassembled. Prices plus VAT. Inspection possible by appointment. Contact us, our team will be happy to assist you. Trade-in or exchange possible! Machine purchase/sale PURCHASE / SALE OF PRODUCTION & METALWORKING MACHINES, ETC. Do you need a high-quality but affordable metalworking machine for your production? Or do you want to sell yours? For further information or contact options, please visit our website.

Condition: used, Year of construction: 2004, functionality: fully functional, machine/vehicle number: 878 40013, clamping force: 2,500 kN, Fully operational machine. Numerous wear parts have been replaced recently. Bledpfxsxtmp Ns Ahdop

Condition: new, Year of construction: 2025, Centrifugal wheel rotating table system Bodpfx Ahsdtq Ansdslp D = 1500 mm, 2 x 7.5 kW centrifugal wheels If you have any questions regarding technical specifications, etc., please contact us in writing or by phone. The machines are based on manufacturing at the Grossenlueder site, which has been in operation since 1971. Harth & Seifert - Georg Fischer - Schiffmann und Seidl - Oliver Fritz GmbH & Co. KG, with their long-standing and well-known contact persons.

Condition: used, Year of construction: 1980, workpiece diameter 600 mm workpiece weight 400 kg workpiece height 300 mm total power requirement 35 kW Bedpfx Ajt Abrwshdolp weight of the machine ca. 4500 kg

Condition: new, Film wrapping machine Bsdpfxsd A Udne Ahdjlp Rotational speed can be continuously adjusted. Table diameter can be customized according to customer requirements. Manual or automatic unwinding. Various attachments/accessories for the widest range of applications.

Condition: excellent (used), For sale: a CNC rotary table from the renowned Fadal Engineering (USA) brand, model VH65. A professional 4th axis designed for machining centers, especially Fadal VMCs, but it can also be integrated with other CNC machines using a suitable controller. Technical specifications: • Model: VH65 • Table diameter: 165 mm (6.5”) • Gear ratio: 90:1 • Pneumatic brake (M60 ON / M61 OFF) • Industrial multi-pin connector • Serial number: 4630298 Condition: used, mechanically sound, with normal signs of wear. Solid and heavy construction – ideal for precise 4-axis machining. Blsdpfx Aez Slc Sjhdsp

Condition: used, Riveting machine, double riveting unit with rotary indexing table, DUNKES Type DN 4 Rotary table, rotary indexing table with SIEMENS control Machine No. P 81 - 5458, Year of manufacture 1982 / 2009 Clamping force 40 kN Rivet shank diameter max. 12 mm Tool shank diameter 16 mm Overhang 190 mm Rivet head stroke per riveting unit approx. 60 mm Rivet spindle speed approx. 1400 rpm Installation height, tool - counter-tool max. 80 mm Compressed air requirement 6 bar Motor power per riveting unit 1.1 kW Mains connection 380 Volt, 50 Hz - Rotary table, indexing table with servo drive, step size programmable via Siemens PLC control - Double riveting unit is adjustable within the machine frame in relation to the rotary table - Table size Ø 295 mm for holding round workpieces - Pneumatic riveting stroke movement - Riveting unit adjustment via geared motor with lead screw, positioning via adjustable microswitch - Modernization of the control system and conversion of the servo drive in the rotary table in 2009 - New electrical control cabinet with Siemens Simatic Panel - Year of manufacture 2009 - Riveting time continuously programmable - Riveting pressure adjustment continuously adjustable via pressure gauge - Micrometer stop for limiting the stroke of the counter-rotating riveting units, 0-60 mm Space requirement L x W x H 3200 x 1250 x 2400 mm Weight approx. 2500 kg Good condition Bodpfx Aedzp T Nshdjlp The machine was used for riveting segment saw blades from Ø 400 to Ø 2000 mm. The segments were manually placed on the support disc and fixed with straight rivet pins. The counter-rotating riveting unit rivets the pin simultaneously from both sides. The controlled table automatically rotates to the next working position. Ideal for saw blade manufacturers and repair companies. Or for the construction of a special machine. The riveting unit can also be easily removed and used as a conventional riveting machine by creating a suitable counter-tool.

Condition: ready for operation (used), Year of construction: 1984, machine/vehicle number: No.317, No.327, functionality: limited functionality, operating hours: 40,000 h, overall weight: 3,700 kg, Equipment: documentation/manual, For sale are 2 (two) sets of optical profile grinding machines Wasino type GLS-130AS, with Fanuc control, made in Japan in 1984. 1 machine is working condition, there are videos of spindle runout and positioning X,Y accuracy measurements. Second machine serial No.327 is the same complete condition, just factory worker could not start it up for us, was worked more then 1 year ago. There are accessories, tools and technical documentation for each machine. For 1 machine Wasino complete with accesories and tools, price is 18500 euro EXW stock. Preferable to sell as package 2 machines together. Bledpfxo Afb Eyj Ahdop

Condition: used, Univ. swiveling-tilting rotary table Mounting table for Univ. tool grinding machine Table size: 630 x 250 mm Slot width: 14 mm Rotatable and tiltable: +/- 30° Swiveling: +/- 45° Bjdpfxjgp T D Nj Ahdelp - 4x T-slot Weight: approx. 120 kg

Condition: used, Year of construction: 1970, Technical details: grinding length: 1000 mm grinding width: 315 mm workpiece height: 390/455 mm feed: quer: 0,3-3,5 mm table adjustment: längs 1150 mm table speed: 2,5-25 m/min Table dimensions: 2120 x 600 mm magnetic plate size: 1000 x 315 x 100 mm table surface area: 1160 x 315 mm feed of spindle: 0,002 - 0,05 mm distance table - spindle center: max. 550 mm throat of the spindle nose: 200-580 mm grinding spindle speed: 1500 / 3000 U/min total power requirement: 10,5 kW weight of the machine ca.: 5,0 t dimension machine xH: 1,3x1,4x1,95 m dimension coolant device LxWxH: 0,7x0,7x0,55 m - coolant device (Tank with pumps) Blsdpfx Aeu Nggzshdsp - 2 pieces grinding disc intakes - 4 pieces machine base i.D. *

Condition: good (used), Year of construction: 1994, For sale OERLIKON MATTISON R.P. 5 Vertical Surface Grinding Machine with Magnetic Circular Table – Ø 1100 mm – 45 kW Description: For sale, a vertical surface grinding machine with a vertical spindle and rotary table, manufactured by OERLIKON MATTISON, model R.P. 5. This is a very powerful and robust machine, ideal for quickly grinding large series, as well as for grinding flat surfaces, discs, blades, large rings, or large mechanical parts. Technical specifications: Brand: OERLIKON MATTISON Model: R.P. 5 Diameter of the magnetic circular table: ~1,100 mm (measured with a meter) Spindle power / main motor power: 44 / 45 kW (60 HP) Blodozpzynjpfx Ahdop Motor speed: 750 rpm Motor: SELIN Genova (380 V / 50 Hz / 87 A) Included equipment: Large, recessed electromagnetic circular table Separate electrical cabinet (380 V) Paper filter system / coolant separator with belt conveyor Segment grinding wheel head Control panel on the front

Condition: refurbished (used), Year of construction: 2015, functionality: fully functional, TECHNICAL SPECIFICATIONS, MODEL RTR 600 CN Table diameter mm: 600 Blodpfx Asx N I Aljhdep Electromagnetic chuck diameter mm: 600 Cross travel mm: 350 Max. grinding height with new grinding wheel mm: 400 Table speed, continuously adjustable rpm: 1-200 Gripping wheel dimensions mm: 400 x 50 x 127 Gripping wheel rotation speed, fixed rpm: 1,450 Automatic feed on the vertical axis, min. mm: 0.001 Spindle motor power kW: 15 Max. load on table kg: 1,000 Net weight approx. kg: 5,200 Vertical movement is achieved on linear slides and is driven by a precision ball screw and a YASKAWA AC motor. Vertical axis resolution: 0.001 mm. Measuring system = encoder Dimension read on display. Display resolution = 0.001 mm. Electronic handwheel for manual movement. Transverse movement is performed on linear slides and is controlled by a precision ball screw and a YASKAWA AC motor. Transverse movement is performed by the grinding wheel head mounted on the cross slide. Transverse axis resolution = encoder Dimension read on display. Display resolution = 0.001 mm. Electronic handwheel for manual movement. Rotary table with hydrostatic circular slides. Infinitely variable rotation speed, with YASKAWA AC drive motor. Balanced hardened steel spindle with 15 kW motor. Fixed speed. Option: YASKAWA frequency converter for continuously variable spindle speed (1,100–1,900 rpm) Lubrication unit with automatic lubrication cycle, external to the machine, without initial filling. Standard accessories: - LODI CNC type T 2000 (see photo) - Automatic work cycle with different values ​​for the various cycle phases: roughing, finishing, flash grinding - Digital measurement of the vertical and transverse axes. Resolution = 0.001 mm - Electronic handwheel for manual axis movement - Continuously variable table speed via YASKAWA AC motor. Rotary table with hydrostatic slides - Grinding wheel headstock with 15 kW motor. Fixed spindle speed: 1,450 rpm. - Central lubrication for all moving parts - Hydraulic unit located outside the machine - Complete watering system with piping, electric pump, guards, electrical equipment, and a 250-liter settling tank (without filter) - Complete enclosure of the work area with sliding door (open ceiling) - 1 complete flange with grinding wheel - Work light - 1 set of service wrenches - CE Declaration of Conformity + CE plate - Operating voltage 400 V +/- 5%, 50 Hz - Electro-permanent magnetic plate with electronic device for adjusting the attraction force. WAGNER brand, type EP 360 - Ø 600mm - YASKAWA frequency converter for continuous adjustment of the grinding wheel speed (1,100-1,900 rpm) and for braking at the end of the cycle - LOSMA paper filter, type DTE 100 (capacity 300 liters) - LOSMA wet fume extractor, type AS1 (capacity 1,300 m³/h) - "MARPOSS" dynamic grinding wheel balancing device for dynamic and automatic balancing of the rotating grinding wheel - Linear diamond holder mounted on the grinding wheel headstock. Automatic dressing cycle with automatic grinding wheel wear compensation. Diamond increment by AC motor. Resolution 0.001 mm - 1 Diamond - Complete auxiliary pump for washing parts and the magnetic platen

Condition: good (used), Machine vice base plate, clamping plate, vise plate, rotary table -Rotary table: Turntable for vise -T- Round groove: Ø approx. 217 x 18 mm -Recess: Ø 90 mm Blodogwhvhepfx Ahdop -Degree display -Dimensions: 275/340/H90 mm -Weight: 20.6 kg

Condition: used, Year of construction: 1987, functionality: fully functional, Surface grinding machine Manufacturer: Geibel & Hotz, Model: FS 40 Primus Year of manufacture: 1987 Bedpfxj Ahif To Ahdjlp Technical data Manufacturer: Geibel & Hotz Model: FS 40 Primus Year of manufacture: 1987 Grinding area (L x W): 400 x 200 mm Table width: 600 mm Max. workpiece weight: 150 kg Magnetic chuck: 400 x 200 mm Longitudinal travel (X-axis): max. 420 mm Transverse travel (Z-axis): 205 mm Table speed: stepless, hydraulically adjustable Grinding wheel dimensions: Ø 225 x 25 x 51 mm Voltage: 3 x 380 V / 50 Hz Dimensions: approx. 1.50 x 1.30 x 2.20 m Weight: approx. 1,200 kg Equipment - Automatic transverse feed (Z-axis) - Rapid traverse for the vertical axis (Y-axis), combined with fine adjustment via handwheel - Central lubrication - Operating manual All information is provided without warranty. A demonstration under power is possible at any time in our showroom.

Condition: new, Year of construction: 2026, Grinding area: 1000 x 450 mm, round table diameter: 1000 mm, grinding wheel: 400 x 100 x 127 mm, spindle power: 11 kW, including speed control, electro-permanent magnetic chuck diameter: 1000 mm with adhesive force control, automatic truing device mounted on the spindle head, including compensation of the truing amount, coolant system with paper band filter, user-friendly operation with Mitsubishi PLC control, alternatively SIEMENS 828 CNC control, new machine with 12 months warranty, highest precision at an unbeatable price/performance ratio. We can gladly carry out grinding tests on our showroom machine. We will handle the installation/training at your location, as well as provide service in the future. Financing/leasing is no problem; we will gladly provide a quote! Bljdjh I Tz Sjpfx Ahdjp

Year of construction: 1994, condition: used, workpiece diameter 350 mm workpiece weight 99999 kg workpiece height 240 mm total power requirement 7,5 kW weight of the machine ca. 2 t Seltene Gelegenheit: Teilüberholte Hochpräzisions-Rundtischflachschleifmaschine Mit komplett neuem Schaltschrank und neuer Steuerung mit BEMA Schleifsoftware Rundtisch-Durchmesser 380mm Magnet-Durchmesser 350mm Schleifscheibenabmaße 300x25x76,2mm Tischdrehzahl variabel max. 200U/min Schwenkwinkel des Tisches +-3 Grad Schleifspindeldrehzahl 800-4200 U/min Leistung Schleifspindelantrieb 5KW Verfahrweg quer max. 225mm Verfahrweg vertikal max. 480mm Abstand zwischen Magnetspannfutter und Spindelmitte, max. 390mm Automatischer Kopfabrichter AF65: zum zylidrischen Abrichten der Schleifscheibe im CD-Abrichtverfahren (Abrichten während des Schleifprozesses) Hierdurch werden Schleifzeiten reduziert und Abrichtzeiten eingespart. Der Abrichtbetrag wird automatisch kompensiert. Automatische Antasteinrichtung AT-R: bietet die Möglichkeit, mit der Schleifscheibe das Werkstück schnell und automatisch anzufahren. CNC-Steuerung mit höchstem Programmierkomfort Unterschiedliche Schleifprogramme für -Pendelschleifen -Kurzhubschleifen -Einstechschleifen -jeweils eine oder mehrere Flächen in gleicher oder unterschiedlicher Höhe Ins Schleifprogramm integrierte Abrichtzyklen -Tischabrichten mit Einzeldiamant -Automatisch Geradabrichten -CD-Abrichten mit AF65 Minizyklen: -automatisches Antasten an das Werkstück -Positionieren einzelner Achsen -Abrichten Einsatzgebiet: Blodexbtl Tspfx Ahdop Hochgenaue Planschleifarbeiten in der Mittel- und Großserienproduktion bzw. Einzelteilfertigung in zentrischer Aufspannung