Used surface grinding horiz. 400-699mm grind. length for sale (219)

Condition: new, functionality: fully functional, IG 482 SD Specifications Motors Grinding Spindle Motor 50HP, 200 - 1180RPM Rotary Table Motor 3HP, 5 - 70RPM Servo Column Motor 5KW Coolant Pump 3/4HP, 45GPM Table Diameter 48" Table Features Thru-spindle vacuum/pressure feed Variable strength 3/4" fine pole electromagnetic chuck Contact a DCM Technical Specialist for custom table & fixturing options Capacity Max Swing Diameter 52" Max Part Height 12" with grinding segments retracted 10-1/2" with a 2A2T wheel Grinding Wheel Options 2A2T Suberabrasive or Conventional Segments 26" diameter Cortland Style Hub & Segment 26" diameter Ask a DCM Technical Specialist about our wide variety of available abrasives Feed System Servo driven Z-axis with precision ballscrew and encoder Feedrate variable from 0.0006 IPM to 0.1000 IPM Servo drive X-axis for precision positioning Electrical Requirements 460V, 50/60Hz, 3 phase Consult DCM Technical Specialist regarding operation on other voltages Dimensions 137" wide, 82" deep, 88" high Cjdsubbqijpfx Aflork Weight Machine & Swarf System: 14,500lbs. (estimated) Electrical Box: 1,500lbs. (estimated) IG 482 SD FEATURES • 48” variable speed electromagnetic chuck with auto demag cycle • 50HP grinding spindle motor • Integral coolant filtration & mist collection systems • Easy to operate touchscreen controls • Mitsubishi FX5U PLC • 3 Grinding Modes - Conventional, Incremental and Grind to Height • Regrind feature allows re-running previous grind sequence without reprogramming • Continuous grind – the machine can automatically cycle through grind 1, 2 & 3 • Servo-driven precision control of both Z and X-axis with absolute home positioning • The cross slide X-axis moves with manual pulse generator • Backlash compensation on both axes • Password protection & operator lockout features • SECS/GEM Interfaced to work with 3rd party Scada type software • Password protection and operator lock-out features • Automatic routine maintenance reminders • 120" x 82" Footprint

Year of construction: 1962, condition: good (used), machine/vehicle number: 3791, max. grinding length: 620 mm max. grinding width: 250 mm Crjdpfxed Ihiis Aflsk table plate chuck: 200 x 620 mm grinding plate measures: 200 x 220 x 51 mm electrical connection: 380 V, 1/1,8 kW space needed: 1650 x 1450 x 1800 mm weight: 1350 kg

Condition: good (used), Year of construction: 1963, Grinding area: 600 x 400 mm Csdpfx Afjw Rqy Ijlsrk Magnetic table Coolant tank various grinding wheels

Condition: reconditioned (used), Year of construction: 2025, grinding length: 400 mm, grinding width: 200 mm, JUNG JF415 / JF420 rebuilt mechanicaly, geometricaly und electricaly rebuilt Cjdpfx Aoc S Agvoflsrk according JUNG acceptance protocoll for new machines - retrofit with new 12“-SIEMENS-Touch-OP control - new electrical cabinet with magnetic control for chuck - plain text error codes - electro mechanical vertikal feed - dresser compensation - automatic lubrication unit - all numeric values (verical feed) und on/off functions e.g. hydraulic and und coolant unit over touch panel - all analog functions e.g. rpm, magnetic force and feed of Z-axis fpr direct access of the worker over switches on the control panel - 12 month warranty delivery time approx. 12 weeks max. grinding range: 400 x 200 m

Condition: excellent (used), Year of construction: 2013, functionality: fully functional, machine/vehicle number: 81084, grinding length: 500 mm, grinding width: 200 mm, total height: 2,247 mm, total length: 2,400 mm, total width: 2,840 mm, feed length X-axis: 510 mm, feed length Y-axis: 230 mm, workpiece weight (max.): 120 kg, feed rate X-axis: 20 m/min, feed rate Z-axis: 10 m/min, grinding wheel diameter: 205 mm, table length: 500 mm, table load: 120 kg, type of input current: three-phase, table width: 200 mm, grinding wheel width: 25 mm, spindle speed (max.): 3,600 rpm, spindle speed (min.): 1,000 rpm, overall weight: 2,000 kg, grinding spindle motor power: 2,200 W, travel distance X-axis: 510 mm, travel distance Y-axis: 230 mm, grinding spindle speed: 3,600 rpm, power: 2.2 kW (2.99 HP), grinding wheel speed: 3,600 rpm, input voltage: 400 V, disc diameter: 205 mm, Equipment: rotational speed infinitely variable, 2013 Okamoto Grind-X ACC42SAiQ CNC Surface Grinder – High Precision, Very Good Condition Now available for immediate sale: the 2013 Okamoto Grind-X ACC42SAiQ, a CNC-controlled surface grinder built for high-precision applications. This machine offers outstanding rigidity and control, with full automation features for maximum efficiency in toolrooms and production environments alike. This model features a 400 x 200mm SAV magnetic chuck, automatic grinding wheel dresser, and a Daikin inverter chiller to ensure consistent cooling and precision during long cycles. Maintained in excellent condition, this grinder is an ideal solution for achieving fine surface finishes and micron-level tolerances. 🔧 Technical Specifications: Table Size: 500 x 200mm Max Table Travel: 510 x 230mm Magnetic Chuck: 400 x 200 x 70mm Max Workpiece Weight: 120kg Table Feed Range: 100 - 20,000mm/min Grinding Head Infeed (Rough): 0.001 - 0.03mm Grinding Head Infeed (Fine): 0.0001 - 0.01mm Grinding Wheel Speed: 1000 - 3600rpm Grinding Wheel Dimensions: 205mm dia, 6–25mm thick, 31.75mm bore Vertical Rapid Feed: 0 - 1000mm/min Crsdpfx Afswtrugslsk Spark-Outs: Adjustable 0 – 99 times Spindle Motor: AC 2.2kW Power Requirement: 11kVA 🧰 Included Equipment: Automatic grinding wheel dresser 400 x 200mm SAV magnetic chuck High-quality grinding wheel Paper band coolant filtration system Daikin inverter chiller unit 📐 Machine Dimensions & Weight: Dimensions: 2400 x 2840 x 2247mm Weight: 2000kg 🚀 Highlights: CNC control with ultra-fine resolution Perfect for toolroom and batch production Fully equipped with filtration and cooling Maintained to a high standard – excellent condition Precision accuracy for surface grinding at scale Okamoto Grind-X ACC42SAiQ for sale CNC surface grinder with magnetic chuck Used Okamoto surface grinder Ireland Precision CNC grinding machine Surface grinder with coolant system Okamoto CNC surface grinder Surface grinder with automatic wheel dresser Used CNC grinder 2013 Okamoto High-precision surface grinding Okamoto ACC 42SAiQ specifications

Condition: like new (used), Year of construction: 2017, operating hours: 59 h, functionality: fully functional, grinding length: 400 mm, grinding width: 200 mm, feed length X-axis: 510 mm, feed length Z-axis: 220 mm, feed rate X-axis: 20 m/min, grinding wheel diameter: 205 mm, distance table to spindle center: 357 mm, table load: 120 kg, type of input current: three-phase, grinding wheel width: 16 mm, spindle speed (max.): 3,600 rpm, spindle speed (min.): 1,000 rpm, overall weight: 2,100 kg, grinding spindle motor power: 2,200 W, grinding wheel speed: 3,600 rpm, input voltage: 400 V, Equipment: documentation/manual, TECHNICAL CHARACTERISTICS: Year of manufacturing: 2017 Colour touchscreen: Yes Maximum grinding lenght x width: 400 x 200 [mm] Stroke X axis (table movement): 510 [mm] Min. Stroke speed X axis: 100 [mm/min] Max. Stroke speed X axis: 20000 [mm/min] Z axis travel (transverse movement): 220 [mm] Min. distance spindle nose / table: 22.5 [mm] Max. distance spindle nose / table: 357.5 [mm] Max. load on table: 120 [Kg] Grinding wheel min. speed: 1000 [rpm] Grinding wheel max. speed: 3600 [rpm] Grinding spindle motor power: 2.2 [kW] Max. diameter grinding wheel: 205 [mm] Max. grinding wheel width: 16 [mm] Min. grinding wheel width: 6 [mm] Grinding wheel bore: 31.75 [mm] Number of running hours: 59 [h] Supply voltage: 400 [V] Total power required: 11 [kVA] Weight : 2100 [Kg] INCLUDED EQUIPMENT: x1 150 [L] coolant tank FB1/R with papertape filtration unit FB1 x1 BRAILLON electro-permanent magnetic chuck type EPEFINE 2 Cjdpew Hf Hijfx Aflsrk x1 BRAILLON magnetic chuck remote control, microprocessor-based, type T10 x5 grinding wheel flanges x1 oil chiller x1 transformer x2 service keys x1 balancing shaft x1 set of axis-brackets for transport STANDARD CONVERSATIONAL PROGRAMMING MODE: Straight and angular dressing (standard) Surface grinding, multiple plunge grinding, and face grinding (standard) INCLUDED ISO PROFILING: Wheel profiling Contour machining of workpiece Full functionality for V-shape and freeform programming on the grinding wheel, and ISO contouring on the workpiece. Precise positioning integrated: +/- 1 [μm] Machine visible under power in our premises by appointment. Price on request, loading on truck included. Possibility of shipping Worldwide. The information on this page has been obtained by the best of our ability. Therefore, its accuracy can not be guaranteed. Similar machine to brands like Jones & Shipman, Jung, Favretto, Blohm, Studer. Also see cylindrical grinder, lathe, machining center, milling machine.

Condition: excellent (used), Year of construction: 1990, functionality: fully functional, power: 1.5 kW (2.04 HP), input voltage: 200 V, Mitsui precision grinder, surface grinder manufacturer Mitsui MGG CO.LTD type: MSG-250H2 year of manufacture:1990-6 Table width: 200mm Table length: 480mm Table longitudinal movement, maximum: 520mm Table lateral movement, maximum 250 mm Table movement: 5-20m/min Forward-backward feed: Per revolution: 6 mm Per scale: 0.02 mm Lateral feed: Per revolution: 6 mm Per scale: 0.01mm Grinding spindle speed: 2900 rpm 50 Hz Table total length: 1385x285 mm Magnetic table: 300x130x100 mm Coolant unit, Maximum height from table surface to center of grinding wheel axis: 400 mm Cjdjwviarspfx Aflork Grinding wheel diameter, standard: 205mm Grinding wheel width: 20mm Wheel spindle speed: 2900 rpm 50Hz Grinding wheel bore diameter: 31.75mm Electrical power: 2 HP 1.5 KW 4P 200V 3 phase Weight, approx.: 1105 kg

Condition: used, Year of construction: 1988, grinding length 0600 mm grinding width 200 mm workpiece height 250 mm Codpfx Aju Rt E Tsfljrk magnetic plate size 600 x 200 mm total power requirement 4,5 kW weight of the machine ca. 2,5 t dimensions of the machine ca. 2000 x 1200 x 1650 mm With magnetic plate 600 x 200 mm and automatic dressing arrangement.

Condition: ready for operation (used), Year of construction: 2002, functionality: fully functional, grinding length: 600 mm, grinding width: 400 mm, CNC surface grinding machine and profile grinding machine Elb Grinding length 600 mm Grinding width 400 mm Grinding height 475 mm Table load 650 kg Crsdsvt Rbaopfx Aflsk Table clamping area 960x 400 mm Longitudinal table stroke up to 700 mm Vertical feed max. 1200 mm / min. Resolution 0.001 mm Cross travel max. 370 mm Cross feed max. 1500 mm/min. Incremental position measuring system, glass scale Resolution 0.001 mm CNC CONTROL UNIcon "U" Further technical data on request

Condition: refurbished (used), Year of construction: 2025, grinding length: 600 mm, grinding width: 250 mm, grinding wheel diameter: 250 mm, JUNG JF520 / JF525 SPM-X rebuilt mechanicaly, geometricaly und elektricaly rebuilt according JUNG acceptance protocoll for new machines Cjdebwl Uhopfx Aflsrk - retrofit with new 12“-SIEMENS-Touch-OP control - new electrical cabinet with magnetic control for chuck - plain text error codes - electro mechanical vertikal feed - dresser compensation - automatic lubrication unit - all numeric values (verical feed) und on/off functions e.g. hydraulic and und coolant unit over touch panel - all analog functions e.g. rpm, magnetic force and feed of Z-axis fpr direct access of the worker over switches on the control panel - 12 month warranty max. grinding range: 600 x 250 mm delivery time approx. 12 weeks

Condition: good (used), 1 used surface grinding machine Manufacturer: Geibel und Hotz Model: FS 50 Optimus SA Technical data Design: Hydraulic Maximum distance between table and spindle center: 400 mm Longitudinal travel (X-axis): 580 mm Cross travel (Y-axis): 250 mm Cjdpfjw Suyhjx Aflerk Table speed: Infinitely variable from: 2 m/min up to: 28 m/min Automatic vertical feed: Grinding wheel speed: from: 2800 rpm Connection 50 Hz 3-phase: 400 Volt Grinding spindle motor: 2.2 kW Total power requirement: 7 kW Machine weight approx.: 2000 kg Machine dimensions: Length: 1800 mm Width: 1200 mm Height: 2250 mm

Condition: ready for operation (used), Year of construction: 1991, functionality: fully functional, machine/vehicle number: 26BB2444, No minimum price – guaranteed sale to the highest bidder! MACHINE DETAILS Electrical Data Connection: 380 V / 50 Hz Rated power: 10 kVA Fuse rating: 25 A Control voltage (AC): 220 VAC Control voltage (DC): 24 VDC Csdpfx Afoxliwyjlork EQUIPMENT Coolant tank

Condition: excellent (used), Grinding length 600 mm Grinding width 320 mm Max. workpiece height 500 mm Longitudinal table travel 750 mm Cross table travel 340 mm Grinding wheel diameter 350 mm Grinding wheel width 40 mm Spindle speed 1500 rpm Cjdpfsw Hy Twox Aflerk Vertical rapid traverse 400 mm/min Power 3.7 kW Automatic feed Magnetic chuck Coolant system Weight 2500 kg

Condition: good (used), Surface Grinding Machine ELB SWB06-VAII - Grinding length: 600 mm - Grinding width: 500 mm - Spindle speed: 1400/2800 rpm - Z-axis feed: Automatic / Manual - Y-axis feed: Automatic / Manual - Grinding movement: Automatic / Manual - Magnet size: 600x500 mm - Automatic feed - Grinding wheel dressing device - Max. grinding wheel diameter: 300 mm - Coolant system - Drive power approx. 6 kW Dimensions: LxWxH 2.6x2.2x2.5 meters / Weight 3,500 kg Crjdpfexgicxjx Aflsk Errors and omissions excepted.

Condition: new, Precision surface grinding machine with automatic longitudinal and transverse feed. All castings, such as machine stand, table, etc., are made of MEEHANITE® quality cast iron and are therefore ideally suited for rough everyday work. Ideal for tool and mold making. Table size: 250 x 500 mm Installation height (max. distance spindle/table): 500 mm Max. Table load: 250 kg Motor power main spindle: 1,5 kW Connection: 400 V Dimensions (LxWxH), approx.: 2250 x 1400 x 1800 mm Weight, approx.: 1350 kg* * only machine without auxiliary units Crsdpfxsp Dt T Ne Aflsk Features: - All castings, such as machine column, table, etc., made of MEEHANITE® quality castings. - All guideways hardened and ground - Automatic cross and longitudinal feed - NC-controlled automatic vertical infeed - Ergonomically arranged control panel - Automatic central lubrication - Separate hydraulic power pack - Grinding wheel - Grinding wheel flange - Manual dressing device - Balancing mandrel - Balancing scale - Dressing diamond - Demagnetizing device - Machine light - leveling elements - Operating tool - Operating instructions - CE Available options: - Elektromagent clamping plate (fine-pole) - Automatic demagnetization control for electromagent clamping plate - 2-axis digital display, accuracy 0.001 mm, X 450 / Y 500 mm - Coolant system with magnetic separator / magnetic separator - Partial enclosure with limit switch protected sliding doors - Full enclosure with limit switch protected sliding doors - Additional grinding wheel flange - Grinding wheel and flange for mild steel - Grinding wheel and flange for HRC55 - Ball screw for cross feed - Further options on request Pictures may show the machine with special accessories and with application examples.

Condition: reconditioned (used), Year of construction: 1997, functionality: fully functional, machine/vehicle number: 3806, grinding length: 600 mm, grinding width: 250 mm, grinding wheel diameter: 250 mm, grinding spindle speed: 3,000 rpm, power: 3.5 kW (4.76 HP), Equipment: rotational speed infinitely variable, JUNG JF520 - workshop overhauled Mechanically and electrically inspected and function tested by our JUNG specialists Wear parts replaced Geometry overhauled according to the JUNG new machine protocol - Grinding area: 600 x 250 mm - Stepper motor feed - 3-axis HEIDENHAIN digital readout - Dressing compensation - Magnetic force control - Automatic central lubrication - Used magnetic chuck - Used paper band filter Credpewz Hf Nsfx Aflsk 6 weeks parts warranty Delivery time: short notice We are happy to accept your used JUNG grinding machine in part exchange.

Year of construction: 1978, condition: used, grinding length 600 mm grinding width 300 - 320 mm Electromagnetic clamping plate 500 x 200 mm Important note! Codpecwic Iofx Aflork There is no hydraulic and no coolant unit included! Siegfried Volz Machine Tools Rüschebrinkstr. 151-153 D - 44143 Dortmund - Wambel

Condition: used, Surface grinding machine BLOHM type HFS 6 make no.: 10493 year of construction 1973 Electro magnetic clamping plate 600 x 300 mm grinding length 600 mm Cjdpfxod Hbafs Aflerk grinding width 400 mm table longitudinal movement max. 650 mm transversal movement 350 mm distance spindle center - table surface max. 600 mm distance spindle center - magnetic plate max. 517 mm Clamping surface table 1020 x 300 mm grinding wheel diameter 300 mm grinding wheel width 50 mm grinding wheel bore 76 mm table longitudinal feed 2-30 m/min infinitely variable table cross feed 2-65 mm stepless electric cross feed 3 m/min vertical feed 0,001 - 0,020 mm per infeed pulse vertical feed 0,250 m/min grinding wheel speed 1400 / 2800 rpm. Motor power hydraulic pump 2,2 kW Motor power grinding spindle 5 / 6 kW Mains connection 380 Volt, 50 Hz. Total power 11 kW - automatic depth adjustment - hydraulic longitudinal table movement - grinding wheel dresser on the headstock - electromagnetic plate height 83 mm - coolant system adjacent, with magnetic filter in filter housing - grinding spindle circulating lubrication - adjacent control cabinet (800 x 500 mm) - swiveling control panel - operating instructions and spare parts manual space requirement L x W x H 3000 x 2200 x 2100 mm weight surface grinding machine 3000 kg weight switch cabinet 200 kg good condition

Condition: used, Surface grinding machine, grinding machine, surface grinding machine-horizontal, surface grinding machine -Manufacturer: Finke, horizontal surface grinding machine with magnetic plate -Magnetic plate: 550 x 200 mm -Traverse paths: x 500 mm / y 260 mm / z 260 mm -Drive: 1.5 kW Cjdpsh Ic Ntjfx Aflerk -Grinding wheel: Ø max. 200 mm -Dust extraction device -Transport dimensions: 1950/1300/H1590 mm -Total weight: 1108 kg

Condition: new, Precision surface grinding machine with automatic longitudinal and transverse feed. All castings, such as machine stand, table, etc., are made of MEEHANITE® quality cast iron and are therefore ideally suited for rough everyday work. Ideal for tool and mold making. Table size: 200 x 450 mm Installation height (Max. distance spindle/table): 450 mm Max. Table load: 150 kg Motor power main spindle: 1,5 kW Connection: 400 V Dimensions (LxWxH), approx.: 2080 x 1200 x 1700 mm Weight, approx.: 950 kg* * only machine without auxiliary units Csdpfxsp Dt Tto Aflsrk Features: - All castings, such as machine column, table, etc., made of MEEHANITE® quality castings. - All guideways hardened and ground - Automatic cross and longitudinal feed - NC-controlled automatic vertical infeed - Ergonomically arranged control panel - Automatic central lubrication - Separate hydraulic power pack - Grinding wheel - Grinding wheel flange - Manual dressing device - Balancing mandrel - Balancing scale - Dressing diamond - Demagnetizing device - Machine light - leveling elements - Operating tool - Operating instructions - CE Available options: - Elektromagent clamping plate (fine-pole) - Automatic demagnetization control for electromagent clamping plate - 2-axis digital display, accuracy 0.001 mm, X 450 / Y 500 mm - Coolant system with magnetic separator / magnetic separator - Partial enclosure with limit switch protected sliding doors - Full enclosure with limit switch protected sliding doors - Additional grinding wheel flange - Grinding wheel and flange for mild steel - Grinding wheel and flange for HRC55 - Ball screw for cross feed - Further options on request Note: Picture shows FSM 2550 AH of identical design. Pictures may show the machine with special accessories and with application examples.

Condition: refurbished (used), Year of construction: 2025, grinding length: 600 mm, grinding width: 250 mm, grinding wheel diameter: 225 mm, JUNG HF50 mechanicaly, geometricaly und elektricaly rebuilt according JUNG acceptance protocoll for new machines 12 month warranty Crjdpfxobwl Ube Aflsk in stock max. grinding range: 600 x 250 mm

Condition: used, Pendulum grinder, vertical grinder, swivel arm vertical grinder, surface grinder, grinder, l, surface grinder, magnetic grinder, surface grinder-vertical, cup grinder -Manufacturer:Lomefa, cup grinder Crodpoh Nvzbofx Aflek -Grinding height: max. 235 mm -Grinding wheel: Ø 200 mm -Work table: 285 x 200 mm -Drive: 1.1 kW -Accessories: including grinding wheels, see photo -Total dimensions: 1160/650/H880 mm -Total weight: 208 kg

Condition: new, Precision surface grinding machine MIOTAL FSM 3060 AH Table size: 300 x 600 mm Installation height: 500 mm Max. Table load: 300 kg Motor power: 4.6 kW Connection: 400 V Dimensions: 2300 x 1790 x 2200 mm Codpjd Sfd Esfx Aflerk Weight, approx.: 2000 kg Equipment and scope of delivery: - All cast parts, e.g. machine stand, table etc. made of MEEHANITE® quality casting - Automatic cross and longitudinal feed - Permanent lubrication - Automatic cross lifting device - Splash guard on the rear - Grinding wheel - Grinding wheel flange - Honing device - Balancing mandrel - Balancing scale - Dressing diamond - Machine light - Leveling elements - Operating tool - Operating instructions - CE Special equipment of our storage machine: - Electric magnetic clamping plate 300 x 600 mm (fine pole) - 2-axis digital readout, accuracy 0.001 mm, X 450 / Y 500 mm - Automatic vertical infeed AD 5 (NC-controlled) for model AH - mode of operation: Automatic rapid traverse vertical and automatic fine feed vertical - Automatic demagnetization control for magnetic clamping plate - Coolant system with magnetic separator - Manual dressing device - Parts enclosure - Ergonomically arranged control panel - Additional grinding wheel flange - Ball screw for cross feed - Grinding wheel and flange for mild steel - Grinding wheel and flange for HRC55 Alternative equipment features / other machine configurations on request.

Condition: refurbished (used), Year of construction: 2025, grinding length: 600 mm, grinding width: 300 mm, grinding wheel diameter: 300 mm, JUNG JF625 / JF630 rebuilt mechanicaly, geometricaly und electricaly rebuilt according JUNG acceptance protocoll for new machines - retrofit with new 12“-SIEMENS-Touch-OP control - new electrical cabinet with magnetic control for chuck - plain text error codes - electro mechanical vertikal feed - dresser compensation - automatic lubrication unit - all numeric values (verical feed) und on/off functions Credpjdrmlnjfx Aflek e.g. hydraulic and und coolant unit over touch panel - all analog functions e.g. rpm, magnetic force and feed of Z-axis fpr direct access of the worker over switches on the control panel - 12 month warranty grinding range: 600 x 250 mm delivery time approx. 12 weeks

Year of construction: 2023, condition: refurbished (used), JUNG HF50 SPM mechanically and geometrically overhauled according to JUNG new machine protocol Electrical overhaul approx. 2010 / function tested and wear parts replaced (in new control cabinet) new painted - stepper motor infeed - 3 axis digital display - dressing mass compensation Codpfx Aehcw U Uoflork - adhesive force control - used magnetic clamping plate - paper band filter optional 12 months warranty on mechanics and geometry and 6 weeks parts warranty on electrical components max. magnet size: 600 x 200 mm (standard 500 x 200 mm) max. grinding area: 600 x 250 mm delivery time: by arrangement / subject to prior sale We will gladly take your used JUNG grinding machine in payment