Used Valve Grinding Machine for sale (86,878)

Year of construction: 1998, condition: good (used), CHEVALIER FSG 1640 AD SURFACE GRINDING MACHINE MAKE CHEVALIER, MADE IN TAIWAN MODEL FSG-1640 AD YEAR 1998 TABLE SIZE 1000 x 400 mm GRINDING WHEEL SIZE 445 mm TRAVERSES 400 x 1000 mm MAX HEIGHT FROM TABLE TO SPINDLE CENTRE 445.0 mm TOTAL POWER REQUIRMENT 7.4 kW PLUS AUTOMATIC DOWN FEED WHEEL-MOUNTED WHEEL DRESSER SYSTEM HYDRAULIC MOVEMENT Predoirfpgjpfx Agzsf COOLANT SYSTEM 400.0 x 1000.0 mm ELECTRO MAGNETIC CHUCK MACHINE MANUALS

Condition: good (used), Year of construction: 2015, operating hours: 250 h, functionality: fully functional, For Sale: Guideway Grinding Machine (Retrofitted from Metal Planing Machine) We offer a robust guideway grinding machine, which has been professionally converted from an original metal planing machine. The main advantage lies in its relatively compact footprint in relation to the workpiece capacity. Technical Specifications: • External dimensions (LxWxH): 4,800 x 2,500 x 2,000 mm • Required floor space: 4,800 x 3,500 x 2,700 mm (+ control cabinet, coolant tank, access) • Table size: 2,000 x 800 mm • Distance between columns: 1,000 mm • Travel paths (X/Y/Z): 2,000 / 1,000 / 600 mm Upgrades & Features: • New ball screw spindles and bearings • 2 new motors + 2 overhauled motors • 3 new frequency inverters • New Siemens SINUMERIK 802C baseline CNC system Prodpfoxx Uudjx Agzef • Large grinding spindle: 2,840 rpm – refurbished + new motor • Small grinding spindle: 18,000 rpm – refurbished • Including control cabinet, coolant tank with pump, and separate, wall-mounted inverter for small spindle Inspection and trial run possible by appointment. Please contact us for more information.

Condition: as good as new (ex-display), functionality: fully functional, Table size 540 x 250 mm Max table travel 560 x 260 mm Max distance from table to spindle center 450 mm Table slide-way Double-V rail Feed of cross handwheel, per revolution 5 mm Feed of cross handwheel, pe graduation 0,02 mm Feed of vertical handwheel per revolution 1,25 mm Feed of vertical handwheel per graduation 0,01 mm Wheel speed (50 Hz) 2850 rpm Wheel speed (60 Hz) 3440 rpm Wheel size 200x31,75x20 mm Pjdou Hzg Rspfx Agzjrf Power of spindle motor 1500 W Hydraulic station motor 1500 W Working pressure 3 Mpa Max runoff 18 L/min Fuel tank capacity 80 L Coolant pump 40 W Machine's net weight 900 kg Size 1,80x1,40x1,80 m Robust and reliable construction. Zero working hours Price should remain the same till end of December.

Condition: excellent (used), Year of construction: 1988, operating hours: 1,000 h, functionality: limited functionality, machine/vehicle number: 99223, overall weight: 2,800 kg, Grinding Dia: min=0.8 to max 250 mm; Vertical stoke : 90 mm; Max. travel of the grinding head :300 mm Table size :320x600 mm; Max stroke of the table Tranversal 250 mm, Longitudinal 400 mm; Electric motor speed 80000 rpm, Pneumatic 180000 rpm. Dimensions 1585x1260x2665 mm, Weight: 2800 kg Pjdpfx Agjxvccdezorf

Condition: new, Year of construction: 2025, A superfine ball mill is a type of milling machine that is used to grind materials into very fine particles. This type of ball mill has some distinctive features that make it especially suitable for processing even the hardest materials with low contamination and minimal wear. It is commonly used in various industries, including pharmaceuticals, minerals, pigments, and chemicals, for producing micro powder or nanoparticles. Here are some key features and considerations for a superfine ball mill for micro powder: 1. High Grinding Efficiency: Superfine ball mills are designed to achieve high grinding efficiency by utilizing grinding media with a relatively small size, leading to a large surface area for grinding. 2. Precision Control: These mills often come with advanced control systems to regulate parameters like rotation speed, temperature, and grinding time, allowing precise control over the particle size distribution. 3. Specialized Design: The mill is typically designed with features to minimize contamination, such as using materials resistant to wear and corrosion. Some mills also have cooling systems to prevent overheating during the milling process. Pjdpfxjq Nf Uwe Agzsrf 4. Variety of Materials: Superfine ball mills can handle a wide range of materials, including both brittle and fibrous substances. They are often used for milling hard materials that require fine grinding, such as ceramics, minerals, or pigments. 5. Size Reduction to Micro or Nano Level: The primary goal of a superfine ball mill is to reduce particle size to the micro or even nano level. This is achieved by the intense grinding action that occurs within the mill. 6. Classifier System: Some superfine ball mills incorporate a classifier system to control the particle size distribution more precisely. This allows for the separation of fine particles from coarser ones during the milling process. 7. Batch or Continuous Operation: Depending on the specific design, these mills can operate in either batch or continuous mode, offering flexibility based on the production requirements. 8. Safety Measures: Safety features may be included, such as monitoring and control systems to prevent overloading, overheating, or other potential issues during operation. When selecting a superfine ball mill for micro powder production, it's important to consider the specific requirements of your application, the characteristics of the materials you're working with, and the desired final particle size distribution. Always follow the manufacturer's guidelines for operation, maintenance, and safety to ensure optimal performance and longevity of the equipment.

Condition: new, Year of construction: 2024, functionality: fully functional, This powerful machine to meet the requirements of larger woodworking companies, ensuring exceptional sharpening results. Equipped with an electronic tooth counter and an autonomous cooling system. The ZM150 offers precise sharpening while maintainingoptimal operating conditions. With two electric motors, including a 150mm CBNdisk for sharpening and a motor reduction group for precise blade movement,this sharpener delivers outstanding performance. Power supply voltage - 380-400V Frequency - 50Hz Power - 0.20kVa Capacity - 65 teeth per min Blade width - 20 to 100 mm Tooth pitch - 6 -25mm Sharpening disc - Profiled 150mm CBN disc Pjdpfx Agoxiv Ugszorf Weight - 115kg

Condition: excellent (used), Year of construction: 2010, functionality: fully functional, machine/vehicle number: MGB1320E, center height: 180 mm, workpiece weight (max.): 100 kg, grinding length: 500 mm, grinding wheel diameter: 400 mm, total width: 14,150 mm, total length: 18,000 mm, total height: 14,750 mm, grinding diameter: 320 mm, workpiece length between centers: 350 mm, grinding wheel width: 50 mm, spindle speed (max.): 3,000 rpm, feed length X-axis: 500 mm, feed length Z-axis: 150 mm, feed rate X-axis: 10 m/min, feed rate Z-axis: 1 m/min, overall weight: 2,100 kg, workpiece spindle speed (max.): 400 rpm, Equipment: rotational speed infinitely variable, Beijing Second Machine Tool Predpfx Astr Azkogzef Beijing Second Semi-automatic High Speed Cylindrical Grinding Machine MBS1320E On-line production equipment; test machine available; roundness within 0.001 beier machine tool works co ltd Online production equipment machine testing available The roundness within 0.001

Condition: ready for operation (used), Year of construction: 1989, functionality: fully functional, machine/vehicle number: 19631, grinding length: 1,500 mm, grinding width: 900 mm, grinding spindle speed: 1,000 rpm, controller manufacturer: Siemens, workpiece height (max.): 690 mm, The machine was completely overhauled and modernized in 2009 & 2023. In 2023, the X-axis, including the drive, was refurbished and new magnetic plates were installed! TECHNICAL DETAILS Psdpfx Agsx Dcfbszsrf Grinding width: 900 mm Grinding length: 1,500 mm Grinding area: 1,500 x 900 mm Workpiece height: 690 mm Table size: 1,800 x 900 mm Longitudinal table speed: 4 - 36 m/min Cross table speed: 1 - 60 m/min Grinding wheel dimensions: 500 x 100 x 203 mm Grinding spindle speed: 1,000 rpm MACHINE DETAILS Control system: Siemens Electrical Data Voltage: 400 V Total drive power: 80 kW Grinding spindle drive: 28 kW Machine weight: approx. 17 t EQUIPMENT Coolant system Dressing device Automatic vertical feed

Condition: not inspected (used), functionality: unexamined, machine/vehicle number: 6190, grinding wheel diameter: 150 mm, table length: 720 mm, table width: 200 mm, overall weight: 2,000 kg, No reserve price – guaranteed sale to the highest bidder! Podpfjxqg E Sex Agzsrf The machine is being auctioned due to business closure. Placing a bid obligates you to collect the machine on schedule between 26.01.2026 and 29.01.2026! TECHNICAL DETAILS Table dimensions: 720 x 200 mm Grinding wheel diameter: 150 mm MACHINE DETAILS Electrical data Operating voltage: 380 V Frequency: 50 Hz Rated current: 15 A Control voltage: 220 V Dimensions & Weight Dimensions (L x W x H): 3,500 x 2,000 x 1,700 mm Weight: 2,000 kg EQUIPMENT Magnetic chuck (450 x 200 mm) RSF three-axis digital readout BRAILLON magnetizing and demagnetizing station JUNG adjustable magnetic chuck (120 x 90 mm)

Condition: good (used), Year of construction: 2013, TOYODA (JTEKT) GL32M-63 CNC UNIVERSAL CYLINDRICAL GRINDER Equipped with: CBN Grinding Wheel Flagging Steady Rest Workhead Mounted Rotary Dresser Marposs P3SE System Monitoring Toyoda In Process Gaging Marposs E20N Acoustic Controller Air Gap Eliminator Workpiece Collision Control Coolant Pumps W/Magnetic Separator Pendant Control RH Workhead with Center LH Workhead with Center Work Rests Psdpfjrtrzpex Agzsrf Worklight Light Curtains Stacklight Extra Wheels Specifications: -Grind Center to Floor: 1,000 mm -Swing Over Table: 320 mm -Distance Between Centers: 630 mm -Grinding Diameter Range: 10 - 150 mm -Floor Space (Base machine w/auxiliary equipment): 3,400 x 5,000 mm -Net Machine Mass (approx.): 10,500 kg Grinding Wheel: -Type: CBN Wheel -Wheel Size (OD): 350 mm -Maximum Wheel Width: 60 mm -Surface Speed: 120 m/s Wheelhead: -Spindle Bearing: TOYODA STAT Bearing -Slide: V and Flat -Feed System: Ballscrew -Rapid Feed (on diameter): 30 m/min -Minimum Incsrement (on diameter): 0.0001 mm Workhead: -Type: Dead Spindle -Work Speed (Max): 500 rpm -Center Taper: MT #4 Footstock: -Type: Hydraulic -Taper Compensation: Manual -Maximum Center Retraction: 60 mm -Center Taper: MT #4 Motors: -Wheel Drive Motor: 15 kW, Belt-Drive -Wheelhead Feed Servomotor: 1.3 kW Tank Capacities: -Wheel Spindle Lubrication Oil: 80 L -Hydraulic/Lubrication Oil: 20 L

Condition: used, Year of construction: 2012, Control Siemens 840 D weight of the machine ca. 13,5 t dimensions of the machine ca. 7m x 4m x 2,75m m Accessories: Coolant tank Grinding wheels Various spare parts Operating and maintenance instructions CE conformity Dimensions: 7x4x2.75 m ( LxWxH) TECHNICAL DATA: Workpiece data: max. outer diameter: 250 mm Prsdjxh Rqtjpfx Agzef with max. grinding wheels Ø 450 mm max. diameter to be machined over table: 375 mm Profile depth for dressable grinding wheels: 40 mm max. workpiece length: 3,600 mm max. distance between centers (1): 2,800 mm max. bevel angle: +/- 90° Number of teeth of the workpiece: 1 - 999 max. weight of the workpiece: 250 kg Working area: Center distance between workpiece and tool spindle: 355-170 mm Radial travel: 185 mm Axial travel: 3,000 mm Swivel angle: +/- 90°

Condition: good (used), functionality: fully functional, rotary table diameter: 650 mm, table diameter: 650 mm, Glauchau Horizontal Spindle Ring Grinder Pedexxyvmspfx Agzorf With 650mm dia. Magnetic Chuck

Condition: not inspected (used), Year of construction: 1984, functionality: unexamined, machine/vehicle number: 0175, travel distance X-axis: 650 mm, travel distance Y-axis: 450 mm, travel distance Z-axis: 140 mm, spindle speed (max.): 80,000 rpm, table load: 500 kg, No reserve price – guaranteed sale to the highest bidder! Pedpfx Ajxqd Htjgzsrf The machine is being auctioned due to a business closure. By placing a bid, you commit to timely collection between 26.01.2026 and 29.01.2026! TECHNICAL DETAILS Travel Distances Travel X-axis: 650 mm Travel Y-axis: 450 mm Travel Z-axis: 140 mm Travel W-axis: 500 mm Travel U-axis: 6/20 mm Clearance between columns: 750 mm Clearance from table to spindle: 600 mm Main spindle diameter: 100 mm Work Table Table dimensions: 770 x 630 mm Table load capacity: max. 500 kg Taper grinding: max. 16° Digital readout X/Y-axis: 0.001 mm Positioning accuracy at 20°: 0.004 mm Spindle speed: from 9,000 to 80,000 rpm Feed Feed rates X and Y-axis: 0 – 3,000 mm/min Feed rate W-axis: approx. 800 mm/min Feed rate Z-axis: from 15 to 6,000 mm/min MACHINE DETAILS Control: HAUSER Electrical Data Operating voltage: 3 x 380 V Frequency: 50 Hz Control voltage: 110 V Connection: 8 kW Dimensions & Weight Dimensions (L x W x H): 5,000 x 2,000 x 3,300 mm Weight: 7,000 kg EQUIPMENT Matching workshop cabinet with contents Various abrasives Selection of high-frequency grinding heads Büche ENF 4000 extraction unit

Condition: good (used), Year of construction: 2011, LANDIS LT-2 TWIN WHEEL CNC ORBITAL CRANK GRINDER Pedpfx Asrtrxxegzorf Equipped with: Landis 6400 CNC Control Siemens TOUCH HMI Arobetech Steady Rest Marposs P7 Gage System Lateral Locator Twin CBN Grinding Wheels Rotary Dresser Headstock Tailstock Rittal AC Units Specifications: Maximum Center Distance: 680 mm

Condition: not inspected (used), functionality: unexamined, travel distance X-axis: 650 mm, travel distance Y-axis: 450 mm, travel distance Z-axis: 140 mm, spindle speed (max.): 80,000 rpm, table load: 500 kg, No reserve price – guaranteed sale to the highest bidder! The machine is being auctioned as part of a business liquidation. Placing a bid obligates the buyer to collect the item promptly between 26/01/2026 and 29/01/2026! TECHNICAL DETAILS Travel Travel X-axis: 650 mm Travel Y-axis: 450 mm Travel Z-axis: 140 mm Travel W-axis: 500 mm Travel U-axis: 6/20 mm Work Table Table dimensions: 770 x 630 mm Table load: max. 500 kg Spindle speeds: from 9,000 to 80,000 rpm Feed rates X- and Y-axis: 0 – 3,000 mm/min Feed rate W-axis: approx. 800 mm/min Feed rate Z-axis: from 15 to 6,000 mm/min Clearance between uprights: 750 mm Clearance from table to spindle: 600 mm Main spindle diameter: 100 mm Taper grinding: max. 16° Digital readout X-/Y-axis: 0.001 mm Positioning accuracy at 20°: 0.004 mm MACHINE DETAILS Electrical Data Operating voltage: 3 x 380 V Frequency: 50 Hz Control voltage: 110 V Psdpfxsxqcuve Agzorf Power: 7 kW Dimensions & Weight Dimensions (L x W x H): 5,000 x 2,000 x 3,300 mm Weight: 7,000 kg EQUIPMENT Tool holders E 19 and F 6 Including matching workshop cabinet with contents Contents include various grinding abrasives High-frequency grinding heads Clamping devices Extraction system Büche ENF 4000

Condition: good (used), Year of construction: 2011, CNC 235 BUDERUS HARD TURNING/GRINDING CENTER, 2011 Equipped with: Main Spindle 2-I.D. Grinding Spindles 8 Position Turret Siemens 840D Control Hydraulic Chucking Rotary Dresser Chip Conveyor Gantry Loader Marposs E9066M Hydraulic System Chip Bucket Fire Suspension Sysem Chiller Specifications: Number of Main Spindles: 1 Maximum Work Part Diameter: 200 mm Podportryyofx Agzjrf Maximum Part Length: 150 mm Maximum Number Machining Station: 4 Rapid Feed/Speed X/Z: 90/30 m/min

Condition: not inspected (used), Year of construction: 1987, functionality: unexamined, machine/vehicle number: 2023, travel distance X-axis: 900 mm, travel distance Y-axis: 600 mm, travel distance Z-axis: 180 mm, spindle speed (max.): 160,000 rpm, table load: 800 kg, No minimum price – guaranteed sale to the highest bidder! The machine is being auctioned due to a business closure. Bidding obligates the successful bidder to collect the machine within the specified timeframe from 26.01.2026 to 29.01.2026! TECHNICAL DETAILS Travel X-axis travel: 900 mm Y-axis travel: 600 mm W-axis travel: 635 mm Z-axis travel: 180 mm U-axis travel: 6/20 mm Distance between columns: 950 mm Clearance table to spindle: 735 mm Main spindle diameter: 100 mm Tool holder: E 23 E 19 EF 6 Work Table Table dimensions: 1,020 x 860 mm T-slot width: 14 mm T-slot spacing: 100 mm Table load capacity: max. 800 kg Taper grinding: max. 16° Digital readout X/Y: 0.001 mm Basic deviation X/Y at 20°: 0.004 mm Spindle speed: from 4,500 to 160,000 rpm Planetary movement (Z-axis): 5 to 250 C-axis NC drive: 0 – 5 Feed X and Y-axis feed: 0 to 1,500/3,000 mm/min W-axis feed: 800 mm/min Z-axis feed: 0.5 – 12,000 mm/min MACHINE DETAILS Control: CNC 311 Electrical Data Podpfsxqfk Tex Agzjrf Operating voltage: 3 x 380 V Frequency: 50 Hz Control voltage: 110 V Connection rating: 8.5 kW Dimensions & Weight Dimensions (L x W x H): 5,000 x 2,000 x 3,300 mm Weight: 7,000 kg EQUIPMENT Matching workshop cabinet with contents Various grinding tools Clamping devices High-frequency grinding head BÜCHE ENF 4000 extraction unit

Condition: good (used), Year of construction: 1998, grinding wheel diameter: 915 mm, overall weight: 14,000 kg, GIUSTINA Grinder R242 to ground big bearings (up to 800mm). All machine's actions are controlled by Bosch Control. Beside controlling parts grinding process, the NC programs are also an operator guide for the machine set up and a source of information about wheel wear, thus allowing the operator to check wheels without opening the hood. Equipped with: Bosch CNC Control Podpfx Agsrtr D Iezorf Specifications: Wheel Rotation Axis: Horizontal Grinding Wheel Size (OD): 915 mm Grinding Wheel Size, Usable Width: 65 mm Grinding Wheel Size, Peripheral Speed: 30 ms Spindle Motors: 75 kw Grinding Feedrate: 0.1 - 1000 mm/min Spindle Type: Moving Quill Angular Contact Spindle Bearings (Precision): ABEC-7 (ISO4) Slide Position Accuracy: 0.001 mm Coolant Flow Rate: 600 l/min Work Capacity (Approx) Rotary: 20 -200 Dia. In.

Condition: not inspected (used), functionality: unexamined, overall weight: 200 kg, grinding wheel diameter: 100 mm, table length: 330 mm, table width: 110 mm, No reserve price – guaranteed sale to the highest bidder! The machine is being auctioned due to the closure of the business. Placing a bid obliges the bidder to collect the machine within the specified period from 26.01.2026 to 29.01.2026! TECHNICAL DETAILS Table dimensions: 330 x 110 mm Pedpfx Asxqnuhegzerf Grinding wheel diameter: 100 mm MACHINE DETAILS Dimensions & Weight Dimensions (L x W x H): 800 x 650 x 1,500 mm Weight: 200 kg

Condition: not inspected (used), functionality: unexamined, machine/vehicle number: 1683, overall weight: 400 kg, table length: 440 mm, table width: 420 mm, No minimum price – guaranteed sale to the highest bidder! The machine is being auctioned due to the closure of a business. Placing a bid obligates timely collection between 26/01/2026 and 29/01/2026! Pjdpfx Agoxqnq Aezorf TECHNICAL DETAILS Table dimensions: 440 x 420 mm MACHINE DETAILS Dimensions & weight Dimensions (L x W x H): 800 x 600 x 1,900 mm Weight: 400 kg

Condition: not inspected (used), functionality: unexamined, machine/vehicle number: 70292, grinding length: 500 mm, grinding wheel diameter: 400 mm, grinding diameter: 200 mm, workpiece weight between centers: 15,000 g, bar passage: 270 mm, No reserve price – guaranteed sale to the highest bidder! The machine is being auctioned due to a business closure. Placing a bid obligates you to collect the machine within the specified period from 26.01.2026 to 29.01.2026! TECHNICAL DETAILS Grinding wheel diameter: 400 mm Maximum workpiece passage: 270 mm Maximum grinding diameter: 200 mm Grinding length between centers: 300 – 500 mm Maximum workpiece weight between centers: 15 kg Pjdpfx Aexqgb Tsgzsrf MACHINE DETAILS Dimensions & Weight Dimensions (L x W x H): 4,000 x 2,000 x 2,000 mm Weight: 2,000 kg EQUIPMENT HEIDENHAIN digital readout Matching workbench with contents Suitable grinding wheels Arbors Suitable spare parts

Condition: not inspected (used), functionality: unexamined, machine/vehicle number: 384, grinding wheel diameter: 250 mm, table length: 1,300 mm, table width: 500 mm, overall weight: 1,500 kg, jaw width: 160 mm, No minimum price – guaranteed sale to the highest bidder! The machine is being auctioned as part of a business closure. Placing a bid obligates you to collect the machine on time between 26.01.2026 and 29.01.2026! TECHNICAL DETAILS Table dimensions: 1,300 x 500 mm Magnet dimensions: 1,020 x 450 mm Grinding wheel diameter: 250 mm Jaw width: 160 mm Pedpfx Agjxqf Uxozsrf MACHINE DETAILS Electrical Data Operating voltage: 380 V Control voltage: 220 V Rated current: 25 A Dimensions & Weight Dimensions (L x W x H): 2,500 x 2,400 x 1,900 mm Weight: 1,500 kg EQUIPMENT 3 T-slots Magnetic chuck Various grinding wheels Vice Belt filter system

Condition: not inspected (used), functionality: unexamined, grinding wheel diameter: 120 mm, overall weight: 200 kg, table length: 290 mm, table width: 180 mm, No minimum price – guaranteed sale to the highest bidder! The machine is being auctioned due to a business closure. Placing a bid obligates you to collect the item within the specified period from 26.01.2026 to 29.01.2026! TECHNICAL DETAILS Predpfx Agsxqf Rgozef Table dimensions: 290 x 180 mm Grinding wheel diameter: 120 mm MACHINE DETAILS Dimensions & Weight Dimensions (L x W x H): 1,130 x 550 x 1,700 mm Weight: 200 kg

Condition: not inspected (used), functionality: unexamined, machine/vehicle number: 6471, grinding wheel diameter: 200 mm, overall weight: 1,000 kg, No reserve price – guaranteed sale to the highest bidder! The machine is being auctioned due to business closure. Placing a bid obligates timely collection between 26/01/2026 and 29/01/2026! Prodsxqf E Ropfx Agzef TECHNICAL DETAILS Magnet dimensions: 450 x 220 mm Grinding wheel diameter: 200 mm MACHINE DETAILS Electrical data Operating voltage: 380 V Frequency: 50 Hz Rated current: 15 A Dimensions & weight Dimensions (L x W x H): 3,000 x 1,500 x 1,700 mm Weight: 1,000 kg EQUIPMENT DIAFORM dressing device

Condition: not inspected (used), functionality: unexamined, overall weight: 700 kg, grinding wheel diameter: 150 mm, jaw width: 70 mm, No minimum price – guaranteed sale to the highest bidder! The machine is being auctioned due to company closure. Submitting a bid commits you to timely collection between 26.01.2026 and 29.01.2026! TECHNICAL DETAILS Magnet dimensions: 500 x 200 mm Podpfx Agsxqb D Aezorf Grinding wheel diameter: 150 mm Jaw width: 70 mm MACHINE DETAILS Dimensions & Weight Dimensions (L x W x H): 3,000 x 1,500 x 1,600 mm Weight: 700 kg EQUIPMENT Matching workbench with sine magnetic chuck Various grinding wheels Precision vise