Used Grinding Stone for sale (4,844)

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 122120 € 2308.07 € 600 mm 500 mm 600 mm 325 mm 600 mm 205 kg 450 mm 500 - 2200 1/min 5,5 kW 19 kW 2800 mm 2800 mm 2610 mm 2850 x 2000 x 2470 mm 3500 kg 820 mm Dm. 355 x 38 x Dm. 127 mm 0,001 mm 1.7 kW 2.4 kW 10 - 150 1/min 0.005 mm 0.003 mm iSurface control with 10,4" touchscreen for fully automatic grinding in machine manual wheel balancing traveling column rib structure AC servo motors für Y/Z axes and rotary table 1 pc. wheel flange 1 pc. grinding wheel Dm. 355 x 38 x Dm. 127 mm Coolant equipment with automatic paper filter and magnetic separator automatic dresser on the table, with compensation fully enclosed splash guard electromagnetic round chuck, fine pole pitch (1+3 mm) working lamp warning lamp operating manual in German and English Dodpewiq Nnsfx Akcjcg ALTERNATIVE: model version FRG-600S with Smart iControl for profile grinding moreprice € 3.600,00

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 108950 € 2059.16 € 610 mm 600 mm 600 x 300 mm 600 x 300 mm 5 - 25 m/min 0 - 3000 mm/min 0,001 mm 350 mm 440 mm 0 - 3000 mm/min 0.001 mm 500 - 1800 1/min 11 kW 2.2 kW 4020 mm 2450 mm 2080 mm Dsdjwiq H Tepfx Akcecg 3400 x 2220 x 2530 mm 3700 kg 975 mm 195 kg 370 kg 355 x 50 x 127 mm 1,1 / 1,1 kW 0,005 mm 0,005 mm Smart i control with 10.4" touchscreen on a swiveling panel, with electronic wired handwheel - RS232, USB I/O connection - SMART Grind Cam (dxf transfer in G code) -PC based control with graphical dialog programming or G-code programming Infinitely variable speed Surface grinding cycle, cross grinding cycle, plunge grinding cycle, multiple groove grinding cycle, contour grinding cycle, dressing cycle Spindle with 4 angular contact ball bearings (P4, class 7) Longitudinal and cross guides with heavy duty needle roller bearing for low friction, better accuracy and lower maintenance costs Transverse and vertical feed with precision ball screws (class C2) and AC servo motors Longitudinal feed hydraulically Fully enclosed splash guard with lamp Electromagnetic chuck plate Coolant system 120 lt with automatic paper filter and magnetic separator Automatic diamond roller dresser mounted on the table, with automatic compensation * Grinding wheel Grinding wheel flange Grinding wheel balancing scale Machine and equipment in accordance with CE regulations Operating manual in GERMAN or ENGLISH Accuracy standard ISO 1986-1 * The exact configuration of the dresser must be clarified before ordering

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 118700 € 2243.43 € 1200 mm 730 mm 1.200 x 500 mm 1.200 x 500 mm max. 30 m/min 3.7 kW 27 kVA kW 4600 mm 3040 mm 2200 mm 6400 kg 990 mm 930 kg 1250 kg 405 x 50 x 127 mm 0,001 mm 500 - 2.000 U/min 11 kW 10.4" graphic NC control on a swivel arm with touchscreen for: Operating mode selection Cycle selection and program creation Surface grinding Cross grinding Plunge grinding Dressing with automatic compensation Semi-automatic balancing in the machine Automatic spindle speed for constant surface speed Spindle load visualization Unbalance control Graphical status monitoring Alarm list Max. table speed (X axis) 30 m/min vertical feed by servo drive and ballscrew spindle transversal feed by servo motor and ballscrew spindle double V-slide wasy (turcite-B) for table longitudinal move grinding wheel spindle on 6 high precision angular contact bearings electro-magnetic chuck coolant equiptment with aut. paper filter and magnetic separator autom. dressing attachment table mounted with compensation * grinding wheel Dodpfx Aowiq Hmekcocg grinding wheel flange grinding wheel balancing stand balance arbor LED machine lamp machine and equipment according to the CE-regulations user manual in GERMAN and ENGLISH * The exact configuration of the dresser must be clarified before ordering

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 232570 € Dcsdjwiq Eispfx Akcog 1700 mm 850 mm 1600 x 600 mm 2x 800 x 600 mm 0 - 20 m/min 0 - 5000 mm/min 0,001 mm 685 mm 0 - 2000 mm/min 0.001 mm 675 mm 500 - 2200 1/min 11 kW 6165 mm 3320 mm 2850 mm 5730x3200x3350 mm brutto mm 9500 kg 900 mm 1335 kg 1850 kg 405 x 50 x 127 mm 3,1 / 3,1 kW 7.5 kW X: 0,008, Y/Z: 0,005 mm X: 0,006, Y/Z: 0,003 mm Smart i control with 10.4" touchscreen on a swiveling panel, with electronic wired handwheel - RS232, USB I/O connection - SMART Grind Cam (dxf transfer in G code) -PC based control with graphical dialog programming or G-code programming Infinitely variable speed Surface grinding cycle, cross grinding cycle, plunge grinding cycle, multiple groove grinding cycle, contour grinding cycle, dressing cycle Spindle with 6 angular contact ball bearings (P4, class 7) Longitudinal guides with double-V-shape with Turcite-B coating All 3 axix with precision ball screws (class C2) and AC servo motors Fully enclosed splash guard with lamp Electromagnetic chuck plate Coolant system 250 lt with automatic paper filter and magnetic separator Automatic diamond roller dresser mounted on the table, with automatic compensation * Grinding wheel Grinding wheel flange Grinding wheel balancing scale Machine and equipment in accordance with CE regulations Operating manual in GERMAN or ENGLISH Accuracy standard ISO 1986-1 * The exact configuration of the dresser must be clarified before ordering

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 247540 € 2100 mm 850 mm 2000 x 600 mm 2x 1000 x 600 mm 0 - 20 m/min 0 - 5000 mm/min 0,001 mm 685 mm 0 - 2000 mm/min 0.001 mm 675 mm 500 - 2200 1/min 11 kW Dcsdpswiq Ecefx Akcjg 7710 mm 3320 mm 2850 mm 6530x3200x3350 mm brutto mm 10200 kg 900 mm 1240 kg 2000 kg 405 x 50 x 127 mm 3,1 / 3,1 kW 7.5 kW X: 0,008, Y/Z: 0,005 mm X: 0,006, Y/Z: 0,003 mm Smart i control with 10.4" touchscreen on a swiveling panel, with electronic wired handwheel - RS232, USB I/O connection - SMART Grind Cam (dxf transfer in G code) -PC based control with graphical dialog programming or G-code programming Infinitely variable speed Surface grinding cycle, cross grinding cycle, plunge grinding cycle, multiple groove grinding cycle, contour grinding cycle, dressing cycle Spindle with 6 angular contact ball bearings (P4, class 7) Longitudinal guides with double-V-shape with Turcite-B coating All 3 axix with precision ball screws (class C2) and AC servo motors Fully enclosed splash guard with lamp Electromagnetic chuck plate Coolant system 250 lt with automatic paper filter and magnetic separator Automatic diamond roller dresser mounted on the table, with automatic compensation * Grinding wheel Grinding wheel flange Grinding wheel balancing scale Machine and equipment in accordance with CE regulations Operating manual in GERMAN or ENGLISH Accuracy standard ISO 1986-1 * The exact configuration of the dresser must be clarified before ordering

Condition: new, Year of construction: 2026, neu 2026 050162 Mai 2026, Zwischenverkauf Taiwan 69400 € 1311.66 € 800 mm Djdpfx Aewiqytekcocg 610 mm 800 x 400 mm 800 x 400 mm 810 mm 5 - 25 m/min 0.74 kW 10 kVA kW 3540 mm 2080 mm 2100 mm 2900 kg 980 mm 350 kg 355 x 50 x 127 mm 0,001 mm 500 - 1.800 U/min 3,75 kW 1.1 kW 10.4" graphic NC control on a swivel arm with touchscreen for: Operating mode selection Cycle selection and program creation Surface grinding Cross grinding Plunge grinding Dressing with automatic compensation Semi-automatic balancing in the machine Automatic spindle speed for constant surface speed Spindle load visualization Unbalance control Graphical status monitoring Alarm list aut. vertical feed servo drive for grinding wheel feed and table cross feed hardened slide ways in all 3 axes with needle rollers electro-magnetic chuck coolant equiptment with aut. paper filter and magnetic separator autom. dressing attachment table mounted with compensation * grinding wheel grinding wheel flange grinding wheel balancing stand LED machine lamp machine and equipment according to the CE-regulations user manual in GERMAN and ENGLISH * The exact configuration of the dresser must be clarified before ordering

Condition: new, Year of construction: 2024, neu 2024 5549 prompt, Zwischenverkauf v Taiwan 63310 € 1196.56 € 1 1 610 mm 610 mm 600 x 300 mm 300 x 600 mm 650 mm Dsdjwiqymjpfx Akcecg 700 mm 5 - 25 m/min 0 - 2,250 mm/min 3 - 32 (0,001) mm 320 mm 5,5 kW kW 0.74 kW 1 kW 1 kW 2950 mm 1490 mm 2080 mm 2200 kg 355 x 50 x 127 mm 1.450 U/min 0,001 mm 10.4" graphic NC control on a swivel arm with touchscreen for: Operating mode selection Cycle selection and program creation Surface grinding Cross grinding Plunge grinding Dressing with automatic compensation Semi-automatic balancing in the machine Automatic spindle speed for constant surface speed Spindle load visualization Unbalance control Graphical status monitoring Alarm list aut. vertical feed servo drive for grinding wheel feed and table cross feed hardened slide ways in all 3 axes with needle rollers electro-magnetic chuck coolant equiptment with aut. paper filter and magnetic separator automatic dresser over the wheel, with compensation grinding wheel grinding wheel flange grinding wheel balancing stand balance arbor LED machine lamp machine and equipment according to the CE-regulations user manual in GERMAN and ENGLISH OPTIONAL EQUIPMENT: additional grinding wheel flange € 200,--

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 76220 € 1440.56 € 1015 mm 610 mm 1.000 x 400 mm 400 x 1.000 mm 1050 mm 5 - 25 m/min 0 - 2.250 mm/min mm 450 mm 480 mm 0 - 675 mm/min 0.001 - 0.04 mm 500 - 1.800 1/min 3.75 kW 1.5 kW 1.1 kW 1.1 kW 4280 mm 2080 mm 2100 mm 3500 kg 220 kg 440 kg Dcedpfxjwiqyao Akceg 355 x 50 x 127 mm mm 10.4" graphic NC control on a swivel arm with touchscreen for: Operating mode selection Cycle selection and program creation Surface grinding Cross grinding Plunge grinding Dressing with automatic compensation Semi-automatic balancing in the machine Automatic spindle speed for constant surface speed Spindle load visualization Unbalance control Graphical status monitoring Alarm list aut. vertical feed servo drive for grinding wheel feed and table cross feed hardened slide ways in all 3 axes with needle rollers electro-magnetic chuck coolant equiptment with aut. paper filter and magnetic separator autom. dressing attachment table mounted with compensation * grinding wheel grinding wheel flange grinding wheel balancing scale balance arbor LED machine lamp machine and equipment according to the CE-regulations user manual in GERMAN and ENGLISH * The exact configuration of the dresser must be clarified before ordering

Condition: new, neu ca. 6 Monate ab Auftragse Taiwan 76550 € 1446.8 € 460 mm 445 mm 460 x 200 mm 450 x 200 mm 0,1 - 25 m/min 0 - 3000 mm/min 0,001 mm 220 mm 340 mm 0 - 3000 mm/min 0.001 mm 1000 - 7000 1/min 3 kW 0.7 kW 1.1 kW 1.1 kW 2510 mm 2515 mm 2010 mm 1550 kg 1015 mm 175 kg 210 kg Dm. 205 x 12,7 x 31,75 mm 0,004 mm 0,003 mm Smart i control with 10.4" touchscreen on a swiveling panel, with electronic wired handwheel - RS232, USB I/O connection - SMART Grind Cam (dxf transfer in G code) -PC based control with graphical dialog programming or G-code programming Infinitely variable speed Surface grinding cycle, cross grinding cycle, plunge grinding cycle, multiple groove grinding cycle, contour grinding cycle, dressing cycle Spindle with 4 angular contact ball bearings (P4, checkout 7) Longitudinal guides with double V shape, with Turcite-B coating Transverse and vertical feed with precision ball screws (class C2) and AC servo motors Longitudinal feed hydraulically Fully enclosed splash guard with lamp Electromagnetic chuck plate Coolant system with automatic paper filter and magnetic separator autom. dressing attachment table mounted with compensation * Grinding wheel Grinding wheel flange Grinding wheel balancing stand Dsdpfjwiqvbex Akcocg Machine and equipment in accordance with CE regulations Operating manual in GERMAN or ENGLISH * The exact configuration of the dresser must be clarified before ordering

Condition: new, neu ca. 6 Monate ab Auftragse 162050 € 3062.75 € 1200 mm 730 mm 1200 x 600 mm 1200 x 600 mm 1300 mm 5 - 30 m/min 0-2250 mm/min 0,001-32 mm 685 mm 560 mm 0-675 mm/min 500-2200 1/min 11 kW 5.5 kW 3.1 kW 3.1 kW 4790 mm 3207 mm Dcedpfx Aswiqq Eokceg 2305 mm 8100 kg 1150 kg 1600 kg 405 x 75 x 127 mm 0,0001 mm iSurface control with Touch screen for 3 axes fully automatic surface and plunge grinding system 10.4” TFT high resolution color control to ensure ease of operation Rough increment, finish increment, spark out (0-9 times), and automatic grinding cycle Cycle interrupt, flip over for part inspection & final dimensions set Wheelhead will rise up to end, start or reference positionnd table parks at left or right side after cycle is completed Display accuracy 0.0001mm I/O diagnosis & alarm display Max. table speed (X axis) 30 m/min Integrated machine-body temperature control Double V table ways are coated with Turcite-B. Table is driven by hydraulic system with cooling unit Liner guideways coupled with precision ballscrew and AC servo moter for precise position on Y and Z axes Automatic lubrication system with a pressure switch to detect and shut down themachine when lubrication system is down Wheel flange with scale, clamping width 43~50 mm (1.7"~2") Grinding wheel Ø405x75xØ127mm (Ø16"x3"xØ5") double recessed Electromagnetic chuck 1200 x 600 mm Automatic dressing and compensation system (mounted over the wheel) LED machine lamp Integrated oil cooling system for lubrication, hydraulic and spindle Splash guard Double-sided water baffle Heat exchanger for electric cabinet Oil Film Guideway system Air purge spindle According to "CE" regulations Operating manual in English or German OPTION (PRICE ON REQUEST): Fully enclosed splash guard

Condition: like new (used), Year of construction: 2025, saw blade diameter: 600 mm, grinding wheel diameter: 30 mm, compressed air connection: 5 bar, New saw blade grinding machine - chip divider groove grinding machine. Dcjdpfoqpdi Rsx Akcsg Grinding range approx. 120-600 mm diameter Saw blade tooth pitch max. approx. 22 mm Control: Siemens PLC with automatic shut-off after grinding process Grinding spindle: High-frequency spindle, 24,000 rpm, power 800 watts! Cooling: Minimum quantity lubrication Saw blade clamping: pneumatic Gearbox: oil-bath lubrication Saw blade thickness adjustment: via backlash-free preloaded ball screw Grinding stroke: via heavy-duty linear roller guide Accessories: - 1 set of reducing rings 16x22,25,32,40,50 mm - Circuit diagrams - Grinding wheel 30x0.3x6 mm, CBN Operating voltage: 400V, 50 Hz Compressed air connection: required for saw blade clamping (very low air consumption)

Condition: good (used), Studer S30-12 cylindrical grinding machine TECHNICAL DATA Main dimensions Center height: 125 mm Center width: 400 / 700 / 1025 mm Largest longitudinal slide path: 400 / 700 / 1000 mm Longitudinal slide Table speed: 50 - 5000 mm/min Reversing delay: 0-6 s Smallest automatic travel: 1.5 mm Max. stroke: 400 / 700 / 1020 mm Max. Table inclination: 12 / 30 / 78° Cross slide Swivel range: +- 45° Quick adjustment: 40 mm Dcjdpjvca Izsfx Akcjg Feed path with handwheel: 20 mm Largest plunge depth: 1.7 mm Sanding headstock Grinding wheel diameter x width x bore: 450 x 80 x 203 mm Speed: 1340 / 1500 1625 / 1800 / 2000 / 2200 rpm Coarse adjustment: 210 mm Workpiece headstock Swivel range: 0 - 90 Speed range: 30 - 675 rpm Mounting cone: Morse 5 Collets: W25 Tailstock Mounting cone: Morse 3 Adjustment travel of the center: 30 mm Total power requirement: 5 / 8.25 kW No liability is assumed for the correctness, completeness and up-to-dateness of the information.

Condition: good (used), ESTARTA 312 Centerless cylindrical grinding machine TECHNICAL DATA AND SCOPE OF SUPPLY TECHNICAL DATA Workpiece, diameter: 1-5 - 75 mm Grinding wheel diameter: 400 mm Grinding wheel width: 160 mm Working stroke: 0-1 mm Work feed: Stepless Speed, grinding wheel: 1300 rpm Weight: approx. 4000 kg Dimensions: 1.5 x 0.4 x 2.0 m SCOPE OF OFFER Dodpfxsr Igy Ro Akcjcg Including: (non-exhaustive list): Grinding wheel (mounted), regulating wheels (mounted), grinding pads, complete operating documentation. Exact scope of offer according to photo gallery No responsibility is taken for the correctness, completeness and up-to-dateness of the information.

Condition: excellent (used), AGATHON 150 SL2 Centerless cylindrical grinding machine TECHNICAL DATA Working wheel: Diameter: 150 mm width: 50 mm Bore: 50 mm Regulating disk: Diameter: 100 mm Width: 50 mm Bore: 40 mm Workpiece diameter: Minimum: 0.1 mm Maximum: 12 mm Max. Length for plunge-cut grinding: 49 mm Dodpfxsr Hdi Aj Akcocg Weight: 750 kg Connected loads: 3 X 380 V / 50 Hz Compressed air: 5-6 bar Dimensions: Machine: 1000 x 500 x 880 mm Electrical cabinet: 1550 x 540 x 420 mm Coolant tank: 750 x 550 x 700 SCOPE OF OFFER U.A: (list not exhaustive): Grinding wheels regulating wheels Spare flange mandrel Grinding pads Complete operating documentation Exact scope of offer according to photo gallery We assume no liability for the accuracy, completeness and up-to-dateness of the information provided.

Year of construction: 1994, condition: good (used), Manufacturer: Rollomatic Dcjdpfx Aswhznxskceg Year of manufacture: 1994 Type: CNC 24-F Machine number: 142 3 x 380 V, 50 Hz

Year of construction: 2003, condition: excellent (used), Schneeberger DMR Gemini CNC tool grinding machine TECHNICAL DATA Control: GE Fanuc 160, 5 axes simultaneous Software: Schneeberger Quinto Measuring system X,Y and Z axis: 0.1 μm A-axis: 0.0001° C axis: 0.0001° Grinding head Power: 15 kW Dedpfx Akomqni Aocscg speed: 50 - 10`000 rpm spindle nose: HSK 50 Max. wheel diameter: 250 mm Max. Number of grinding wheels: 6 Linear axes X-axis, travel: 380 mm feed speed: 20`000 mm/min resolution: 0,0001 mm gear ratio: 1 : 1 Power: 1,0 kW / 3 Nm Y-axis, travel: 300 mm feed speed: 5`000 mm/min resolution: 0,0001 mm Gear ratio: 24 :4 Power: 1,6 kW / 8 Nm Z-axis, travel: 280 mm feed speed: 20`000 mm/min resolution: 0,0001 mm gear ratio: 1 : 1 Power: 1,0 kW / 3 Nm Rotary axes C-axis: 210 ° Speed: 72 ° / s Resolution: 0,0001 ° Power: 1.6 kW / 8 Nm C` axis: +- 180 ° Speed: 90 ° / s Resolution: 0,0001 ° Infeed: Hydraulic A axis: +- 360 ° Speed: 225 ° / s resolution: 0,0001° Power: 1,0 kW Nose: ISO 50 Center height: 210 mm Dimensions and weight Length: 1700 mm Depth: 2270 mm Height: 2260 mm Weight: 8`000 kg We do not guarantee the accuracy, completeness and timeliness of the information.

Condition: good (used), Hardly used Elektra-Beckum double bench grinder with stand and container, in good, fully functional condition. Shipping not possible Djdpfx Akey N Avgocjcg Please do not send email inquiries! If you have any questions, we are happy to assist you by phone. Inspection and collection only possible by prior telephone arrangement! Subject to change, interim sale, and errors.

Condition: excellent (used), Gockel G130PL x 5100mm Vertical Spindle Knife Grinder Manufacturer Gockel Model G130PL x 5100mm Year 1980 Condition Used Serial Number 5908 Stock Number 2602 Mag Chuck 800mm x 5100mm Segmental wheel 1000mm dia Wheel/Spindle Drive 185KW / 248hp Additional Features Year 1980 Travelling Wheelhead New Stones for Wheel Power rise and fall to wheelhead Dcjdpfsy N Amfsx Akcsg Auto down feed to wheelhead Marpos Sizing Coolant pump and separator

Condition: used, Year of construction: 1986, Surface Grinding Machine MONOPRECIS 1DR - #2 Travel X: 400 mm Travel Y: 150 mm Maxi grinding height (Z): 220 mm Year of construction: 1986 Axes X - Y - Z manual Magnetic chuck: manual / tilted Dsdpfx Ajy Nz Tkekcecg Magnetic chuck dimensions: 255 x 130 mm Grinding wheel dimensions: Ø max 170 mm Voltage: 380 V Dimensions (L x W x H): 1300 x 1100 x 1600 mm Weight: approx 500 kg

Condition: ready for operation (used), Year of construction: 1988, Horizontal surface grinding machine Okamoto Type PSG 63 – UAN Year of manufacture: 1988 Grinding length: 600 mm Grinding width: 320 mm Max. workpiece height: 500 mm Table travel (longitudinal): 750 mm Table travel (cross): 340 mm Grinding wheel diameter: 350 mm Grinding wheel width: 40 mm Spindle speed: 1500 rpm Rapid vertical feed: 400 mm/min Power: 3.7 kW Automatic feed Magnetic chuck Coolant system Weight: 2500 kg Dcedsy Nz S Hepfx Akceg Price: EUR 2,000—plus VAT, ex location

Condition: ready for operation (used), Year of construction: 2020, Immediately available ex location: Horizontal surface grinding machine, make Holzmann Model SPM 30 FUM Year of manufacture: 2020 Grinding length: 400 mm Grinding width: 200 mm Table: 600 x 300 mm Automatic feed Magnetic chuck Coolant system Weight: 2 t Djdpfx Akjy Nz Stscocg Offered at a price of EUR 2,250 plus VAT ex location.

Condition: excellent (used), Jones & Shipman 1076 Universal Cylindrical Grinder Capacity 10" x 27" Hydraulic Feeds Swivel Wheelhead Variable Speed Swivel Workhead Serial Number BO 94944 Plunge & Intermittent Feeds Internal Grinding Spindle Low Volt Light Coolant Dodpfx Akoy Nzxyecjcg Note: External Guards and Extraction not included

Condition: used, External/Internal Cylindrical Grinding JONES-SHIPMAN type 1310 Capacity: Ø 200 x 450 mm (8'' x 18'') Tilted table Grinding wheel: Ø 300 mm x thickness 25 mm x bore Ø 125 mm Dodey Nzhzjpfx Akcjcg Drive wheel speed: 1750 and 2300 RPM Rotary grindstone holder support Supplied without internal grinding spindle Equipped with 1 lubricant tank Voltage : 380 V Length: 1800 mm Depth: 1600 mm Total height: 1900 mm Weight: approx 2 T

Condition: good (used), Year of construction: 1989, functionality: fully functional, Centre height: 250 mm Centre distance: 2000 mm Max. workpiece weight: 500 kg Dcedpfx Ajy Nx H Uokcog

Condition: excellent (used), workpiece diameter 30 - 325 mm Dcsdpfx Aey Ihb Sokceg grinding depth 60 mm clamping length 1000 mm center hole 1 - 30 mm weight of the machine ca. 0,2 t dimensions of the machine ca. 0,5 x 0,5 x 1,7 m dressing unit, counter steady, grinding stones