Used Deburring And Fine Grinding Machine for sale (69,502)

Condition: new, Year of construction: 2025, Available from stock! Ijdpfx Aaspwh Tfs Ijau Deburring and fine grinding machine with 3 workstations: Sanding belt - Brush station - Sanding belt Effective maximum working width: 1150 mm Standard workpiece thickness: 0.8 - 150 mm Digital workpiece thickness display on the control panel, accuracy 0.1 mm Adjustable pressure rollers before and after the workstations Sanding belt insertion on the left Sanding belt centering via electronically controlled photocell, emergency stop in case of skew or belt breakage Infinitely adjustable conveyor feed speed Includes the following options: Machine base prepared for forklift loading Extraction collector in galvanized sheet metal for machines with 3 work stations plus 1 external unit Vacuum device to increase the adhesion of small or slippery workpieces to the conveyor. With perforated feed table and carpet, as well as a powerful electric fan and sound-insulated exhaust according to CE standards, 5.5 kW 2x grit sets for electronic fine positioning of the contact rollers Adjustment and display (0.01 mm) on the control panel, standby position with pneumatic reset of the contact roller in the event of an emergency stop Frequency-controlled drive motors for sanding belt cutting speed, motor power per unit 11 kW Electronic adjustment of the brush unit HMI Vision - PLC control with visualization of the various machine settings via color touchscreen Storage capacity for up to 250 sanding programs

Condition: used, Brush deburring machine, tube deburring machine BAUER type BE 1 Machine. No. Year of construction 2005 Brush diameter 250 mm Brush width 25 - 60 mm Speed 1500 / 3000 rpm Power 2.2 / 3 kW Mains connection 380 Volt, 50 Hz Isdpfx Aajhrkrwj Isau - Material support - new deburring brush Space requirement L x W x H 550 x 450 x 440 mm Weight 65 kg good condition

Condition: used, Brush deburring machine, tube deburring machine BAUER type BE 1 Machine No. 29 Year of manufacture 1992 Iaodehrkrpopfx Aa Ieu Brush diameter 250 mm Brush width 25 - 55 mm Speed 1500 / 3000 rpm Power 2.2 / 3 kW Mains connection 380 Volt, 50 Hz - Material support table Required space (L x W x H) 500 x 450 x 440 mm Weight 45 kg good condition

Year of construction: 2007, condition: ready for operation (used), A CNC precision grinding machine Peter Wolters with two opposing grinding wheels and a workpiece/carrier disc system for simultaneous machining of both workpiece sides is available. Carrier wheel outer diameter: 1050mm, carrier wheel ring diameter: 290mm, max. workpiece height: 100mm, machine dimensions X/Y/Z: approx. 2350mm/3400mm/2400mm, weight: approx. 7000kg, control: Siemens Simatic S7-400 with WinCC visualization, operating hours: approx. 7000h. Including twin loader, buffer table, CBN fine grinding wheels, dressing wheels, ultra-fine measuring system, temperature monitoring, remote maintenance system, wear compensation and alignment system. Without filter system and cooling system. Documentation available. An on-site inspection is possible. Iasdpfxjy R Drlo Aa Iju

Year of construction: 2023, condition: new, ! Offers for customers from Baltic states only: Lithuania, Latvia, Estonia. - Mobile and compact setup - Standard with vacuum system 2.2 kW - Optional with 2 or 4 electromagnets - Equipped with 2 grinding heads - Bracket with double hand control (CE marking) - Workpiece width: max. 780 mm / length unlimited - Power consumption of machine: 400 V, 50 Hz, 10 A, 6 kW Isdeixz Hdopfx Aa Ieau - Dimensions: 1435 x 1100 x 1510 mm (L x W x H)

Condition: new, Year of construction: 2025, Working width: 380 mm Working height: 250 mm 1st unit, rotor group: Group of two oscillating rotor brushes, Ø 200 mm, one 1.5 kW motor per brush, variable speed drive 2nd unit, rotor group: Group of two oscillating rotor brushes, Ø 200 mm, one 1.5 kW motor per brush, variable speed drive Both units with oscillation: yes Iedpfxov R U Ifs Aa Isau Height adjustment: handwheel Height indicator: mechanical counter Feed speed: 1 - 6 m/min Feed motor power: 0.37 kW Vacuum carpet: yes Machine length: 1400 mm Machine width: 900 mm Weight: 500 kg

Condition: used, Brush deburring machine, tube deburring machine RSA type STL 1 Year of manufacture: approx. 1990 Brush diameter: 250 mm Brush width: 25 - 60 mm Speed: 1430 / 2870 rpm Power: 2 / 3 kW Mains connection: 380 Volt, 50 Hz - Material support - Extraction connection Ø 75 mm Space requirement L x W x H: 650 x 550 x 440 mm Isdpfxoxpqy Rj Aa Isau Weight: 100 kg Good condition

Condition: new, Year of construction: 2024, Working width: 380 mm Working height: 150 mm 1. Unit, rotor group: Group of 5 oscillating rotary brushes, Ø 115 mm, each with a 3 kW motor 2. Unit, brush: Scotch Brite Hard / diameter 210 mm, variable drive Iodpfx Astnf Rrsa Isau Height adjustment: handwheel Height display: mechanical counter Feed speed: 4 - 12 m/min Feed motor power: 0.37 kW Vacuum conveyor belt: yes Machine length: 1400 mm Machine width: 900 mm Weight: 500 kg

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 Ijdpfoxx Uudjx Aa Ijau 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 • 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: new, Year of construction: 2026, 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. Iasdpsq Nf Uwefx Aa Ieu 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, functionality: fully functional, power: 55 kW (74.78 HP), Year of construction: 2026, Ball Mill for Powder and Mining Plant: Structure, Function, and Technical Details A ball mill is a key grinding machine widely used in mining, metallurgy, cement, chemical, and powder-making industries. It is designed to grind various ores and other materials into fine powder through impact and attrition between steel balls and the material inside a rotating cylindrical shell. In mining plants, ball mills are essential for ore beneficiation, preparing materials for flotation, magnetic separation, or leaching processes. In powder production, they ensure uniform particle size and high surface area for further processing. Working Principle The ball mill operates on a simple yet effective principle: as the cylindrical shell rotates around its horizontal axis, the grinding media (steel or ceramic balls) are lifted along the inner wall by centrifugal force and friction. When they reach a certain height, they fall freely, striking and grinding the material below. This repeated motion causes both impact and abrasion, reducing the material to the desired fineness. The grinding process can be performed in dry or wet conditions depending on the application. Structural Composition A standard ball mill consists of several main components: Feeding part: Equipped with a feeder or screw conveyor to ensure uniform material input. Discharging part: Can be grate type or overflow type, depending on the discharge method. Rotating part: The cylindrical shell made of steel plates, lined with wear-resistant liners. Iedpfoq Nf U Ejx Aa Ijau Transmission system: Includes motor, reducer, small transmission gear, and electrical control. Grinding media: Steel balls or ceramic balls of different diameters for efficient grinding. The internal liner design and ball size distribution are optimized to achieve maximum grinding efficiency and minimal energy consumption. Technical Details Typical Specifications: Feeding size: ≤25 mm Discharge size: 0.074–0.4 mm Capacity: 0.65–615 t/h (depending on model and material hardness) Cylinder speed: 18–38 r/min Power: 18.5–4500 kW Liner material: High manganese steel, rubber, or alloy steel Grinding media load: 30–45% of cylinder volume Operating Modes: Dry grinding: Suitable for materials that must remain moisture-free, such as cement clinker, limestone, and quartz. Wet grinding: Common in ore beneficiation, where water or slurry improves grinding efficiency and particle uniformity. Application in Mining Plants In mining operations, ball mills are used after crushing to further reduce ore size and liberate valuable minerals. They are integrated into grinding circuits with classifiers, hydrocyclones, and flotation systems. The ground material is classified by size, and oversized particles are returned to the mill for regrinding. This closed-circuit system ensures consistent product fineness and efficient energy use. Common Applications: Gold, copper, iron, and zinc ore grinding Cement clinker and slag processing Silicate and ceramic powder production Coal and mineral powder preparation Conclusion A ball mill is an indispensable piece of equipment in both powder production and mining beneficiation plants. Its ability to grind materials into fine, uniform particles makes it vital for downstream processes such as flotation, sintering, and chemical reactions.

Condition: new, Year of construction: 2026, We have various kinds of ball grinding mill such as batch ball mill, rod mill, cement ball mill, mining ball mill, welcome to contact our team for further details according to your specific requirements. Iasdpfx Aeq I Nw Ija Iou

Condition: new, functionality: fully functional, Year of construction: 2026, Cement Mill & Ultrafine Grinding Mill 🏗️ Introduction to Cement Mill & Ultrafine Grinding Mill In the world of construction and materials processing, achieving the right particle size is essential. Introducing the Cement Mill and Ultrafine Grinding Mill—two pivotal machines designed to deliver superior grinding performance for cement production and ultrafine materials. Let’s dive into their features and applications! 💼 🔥 What is a Cement Mill? A Cement Mill is a crucial piece of equipment in cement production. It grinds clinker, gypsum, and other additives to produce fine cement powder. This machine ensures the optimal particle size for high-quality cement, essential for building robust structures. 🚀 🔧 What is an Ultrafine Grinding Mill? An Ultrafine Grinding Mill is designed to produce extremely fine powders from various raw materials, such as minerals, chemicals, and industrial waste. It operates at high efficiency, delivering ultra-fine materials for advanced applications like coatings, plastics, and ceramics. 🌟 💼 Key Benefits of Using Cement Mill & Ultrafine Grinding Mill 1. High Efficiency: Both mills are engineered for maximum efficiency, ensuring rapid processing times and reduced energy consumption. 🌿💡 2. Superior Grinding Performance: Achieve consistent, high-quality output with precise control over particle size. 🏭 3. Versatility: Suitable for a wide range of materials, making them essential for various industrial applications. 🌳 4. Durability and Reliability: Built with robust materials, these mills offer long-lasting performance in demanding industrial environments. 💪 📈 Applications in Industry Cement Mill Applications: 1. Cement Production: Essential for producing high-quality cement for construction projects. 2. Infrastructure Development: Used in creating concrete for roads, bridges, and buildings. Ultrafine Grinding Mill Applications: Isdpfx Aasq Nyydj Isau 1. Mineral Processing: Producing ultra-fine powders for advanced material applications. 2. Chemical Manufacturing: Used in creating fine chemicals for various industrial processes. 3. Environmental Applications: Grinding industrial waste for recycling and reuse. ♻️ 🌟 Conclusion Whether you’re in construction, materials processing, or advanced manufacturing, the Cement Mill and Ultrafine Grinding Mill are indispensable tools. Their efficiency, versatility, and superior performance make them a valuable addition to any production line. Contact us today to learn more about these innovative machines and how they can revolutionize your operations! 📞

Condition: ready for operation (used), Year of construction: 2013, operating hours: 2,780 h, functionality: fully functional, workpiece weight (max.): 150 kg, grinding wheel diameter: 660 mm, center height: 270 mm, center width: 1,700 mm, grinding diameter: 300 mm, spindle speed (max.): 1,000 rpm, No minimum price – guaranteed sale to the highest bidder! TECHNICAL DETAILS Workpiece Grinding diameter in rotary grinding, max.: 220 mm Grinding diameter in cylinder grinding, max.: 300 mm Rotary diameter over table, max.: 300 mm Passage in the steady rest, min. / max.: 20 / 90 mm Workpiece weight between centers, max.: 150 kg Center height above table: 270 mm Distance between centers: 1,700 mm Grinding length with fixed tailstock: 1,500 mm Grinding length with special equipment: 1,300 mm Diameter of the chuck: 180 mm Tailstock quill travel: 50 mm Grinding wheel Grinding wheel diameter, max.: 660 mm Grinding wheel width, min. / max.: 20 / 80 mm Peripheral speed, max.: 35 / 63 m/s Grinding wheel for concave cam profiles Diameter with electro spindle, min.: 100 mm Grinding wheel width, min. / max.: 20 / 50 mm Peripheral speed, max.: 35 / 50 m/s Grinding spindle head X-axis Travel: 490 mm Measuring resolution: 0.0001 mm Workpiece head C-axis Speed range of workpiece spindle: 1 - 1,000 rpm Speed range of contour grinding spindle: 1 - 400 rpm Torque on the spindle: 80 Nm Resolution: 0.0001 ° Table Z-axis Measuring resolution: 0.0001 mm Iasdpfx Ajzarx Dsa Iou MACHINE DETAILS Drive power of the motors Grinding spindle motor: 7.5 / 15 kW Workpiece motor, C-axis: 12 W Dimensions & Weight Dimensions (L x W x H): 5,500 x 2,600 x 2,000 mm Total weight: 9,850 kg EQUIPMENT Automatic balancing device, programmable Grinding spindle head X-axis with linear motor Optical scale on the X-axis Workpiece head C-axis with encoder Table Z-axis with linear motor Optical scale on the Z-axis Workpiece motor, direct drive type, C-axis Grinding spindle motor, direct drive type Fixed tailstock Tailstock quill Note: The machine can be powered up for inspection for an additional cost of approximately €12,000.

Condition: ready for operation (used), Year of construction: 1997, functionality: fully functional, machine/vehicle number: 011.257.90.043, center height: 175 mm, center width: 1,000 mm, controller manufacturer: Fanuc, TECHNICAL DETAILS Maximum center height: 175 mm Distance between centers: 1,000 mm Longitudinal slide Maximum longitudinal slide travel: 1,050 mm Cutting speed (vt): 0.0001–10,000 mm/min Resolution: 0.0001 mm Table tilt: max. 8.5° Cross slide Maximum cross slide travel: 275 mm Cutting speed (vt): 0.0001–10,000 mm/min Resolution: 0.0001 mm Iedpfx Aszb Hxnsa Ioau MACHINE DETAILS Control system manufacturer: Fanuc

Condition: reconditioned (used), Year of construction: 1997, operating hours: 5,929 h, functionality: fully functional, center height: 100 mm, grinding length: 400 mm, center width: 400 mm, grinding wheel diameter: 350 mm, grinding wheel width: 30 mm, The machine was overhauled in 2026! TECHNICAL DETAILS Grinding length: 400 mm Center height: 100 mm Distance between centers: 400 mm Iasdpfxjza Ea Is Aa Iou Max. workpiece weight in the tailstock between centers: 20 kg Grinding wheel diameter max.: 350 mm Grinding wheel width: 30 mm Grinding wheel bore: 127 mm Working feed rate Z-axis: 100 - 3,500 mm/min Table swivel: 0 - 30° Power of grinding spindle motor: 3 kW Speed of workpiece spindle: 30 - 1,200 rpm Power of workpiece spindle: 0.5 kW Tailstock arbor: MT2 Quill stroke: 20 mm MACHINE DETAILS Dimensions & Weight Machine dimensions: 2,350 x 1,480 mm Weight: 1,600 kg

Condition: ready for operation (used), Year of construction: 2004, functionality: fully functional, machine/vehicle number: 665100, overall weight: 4,700 kg, center height: 125 mm, Round grinding machine with robot! TECHNICAL DETAILS Center height: 125 mm MACHINE DETAILS Control: Fanuc 18i-T Total weight: 4,700 kg Operating hours Automatic cycle time (according to diagram): 41,411 h Feed time (according to diagram): 14,251 h EQUIPMENT Universal Robots UR5 robot Standard accessories 1 grinding wheel set, right-hand, 500 x 110 x 203.2 mm 1 manual swivel chuck for turning parts with manual indexing every 2.5 degrees Automatic balancing device MARPOSS type E 82 Hydraulic quill retraction for the tailstock Stroke monitoring for the tailstock Standard workpiece spindle MK 5 DIN 55026 size 5” Isdpfjzcwfuex Aa Isau

Condition: ready for operation (used), Year of construction: 1989, functionality: fully functional, machine/vehicle number: 32.469.3143, center height: 125 mm, grinding length: 1,000 mm, The machine underwent a partial overhaul in 2009. TECHNICAL DETAILS Maximum height: 125 mm Maximum width: 1,000 mm EQUIPMENT Automatic working cycle Intermediate plates 50 mm for a maximum height of 175 mm Vibration-damping pads Machine light Internal grinding device for a maximum diameter of 70 mm Internal grinding spindle UJ7P Iedpfx Aszcwfnoa Ioau Coolant supply through the workpiece spindle, including protective cover Side and angled dressing device Swiveling dressing device for internal grinding Dressing stop for internal grinding Collet chuck Set of collets Dial indicator stop for table swiveling with a 1/100 mm dial indicator Sine bar Table fixed stop Strip-type filter system SONY digital measuring system, 2 axes Documentation

Condition: excellent (used), Year of construction: 2018, functionality: fully functional, grinding length: 500 mm, grinding width: 250 mm, total height: 1,800 mm, total length: 2,250 mm, total width: 1,400 mm, feed rate X-axis: 25 m/min, grinding wheel diameter: 205 mm, table length: 500 mm, type of input current: three-phase, table width: 250 mm, grinding wheel width: 19 mm, spindle speed (max.): 2,900 rpm, overall weight: 1,350 kg, grinding spindle motor power: 1,500 W, rotational speed (max.): 2,900 rpm, grinding spindle speed: 2,900 rpm, power: 1.5 kW (2.04 HP), grinding wheel speed: 2,900 rpm, input voltage: 400 V, disc diameter: 205 mm, Metallkraft FSM 2550 Surface Grinder Machine Type: Surface Grinder with NC Controlled Vertical Feed Year: 2018 Control: NC Control Condition: Very Good Includes NC Controlled Vertical Feed Table Enclosure Guard Electro-Magnetic Chuck Wheel Dresser Isdsv Iq Shspfx Aa Ieau Coolant Equipment Halogen Light DRO Auto-Lube Technical Specifications Grinding Wheel Diameter: 180 to 205mm Grinding Wheel Width: 19 to 13mm Grinding Wheel Bore: 31.75mm Spindle Speed: 2900rpm Table Dimensions: 500 x 250mm X Axis Travel Speed: 5-25m/min Drive Motor Power: 1.5kW Electrical Connection: 400V/3Phase/50Hz Machine Dimensions: 2250x1400x1800mm Machine Weight: 1350kg Notes: *Specifications are given in good faith but not guaranteed*

Condition: good (used), Year of construction: 1997, FOR SALE: CNC Vertical Gear Grinding Machine – GLEASON TAG 400 📊 Machine Capabilities (Gleason TAG 400 Specifications) Iajdpfx Ajzdt Igea Iou Feature Technical Specification Workpiece Orientation Vertical (Clamped on a rotary table with an upper center) Maximum Workpiece Diameter 400 mm Maximum Tooth Width (Z-axis) 200 mm Admissible Module Range 0.5 to 8.0 mm Programmable Number of Teeth 6 to 600 teeth Maximum Helix Angle ± 45° (for helical gears) Pressure Angle 14.5° to 30° Center Distance (Maximum workpiece length) 200 to 800 mm Maximum Workpiece Weight Approx. 70 to 90 kg Total Machine Weight Approx. 9,000 kg BT MACHINES BUYING AND SELLING ALL TYPES OF INDUSTRIAL EQUIPMENT MACHINE TOOLS, ALL TYPES

Condition: excellent (used), Year of construction: 2017, functionality: fully functional, Technical details grinding length 600 mm grinding width 300 mm workpiece height - mm total power requirement 7 kW weight of the machine ca. 2,7 t dimensions of the machine ca. 2800x2200x1890 mm Additional information Work area Iedezd Ty Nopfx Aa Ioau • Travelling distance X-axis: 765 mm • Travelling distance Y-axis: 340 mm • Table dimensions: 300 x 630 mm • Scale ring division Y-axis: 0.02 mm • Scale ring division Z-axis: 0.005 mm • Autom. transverse infeed: 0.1-8 mm • Autom. vertical infeed: 0.005-0.05 mm Drive unit ratings • Motor rating main drive: 5.5 kW • Motor rating servo-drive: 0.5 kW Dimensions and weights • Total weight: 2,700 kg • Dimensions: 800 x 2200 x 1890 mm • Grinding wheel dimensions: 350 x 40 x 127 mm Accessories: 2-axis position display Knuth Xpos 3.1 Grinding wheel, Grinding wheel flange, Balancing arbor, Balancing stand, Halogen work light, Magnetic chuck 600 x 300 mm Leveling screws, Operating tools, Instruction manual

Condition: good (used), Deburring machine with brushes Iaodpszduh Iofx Aa Isu RSA Duo Deburring Machine Brush diameter 255 mm 2 speeds Motor power 2.4 / 3.7 kW 1500/3000 rpm

Condition: used, Year of construction: 2004, Lot consists of: (1) CNC Horizontal Double-Disc Surface Grinder Technical Details: grinding wheel diameter x width 762 x 220mm, MARPOSS E3 in-process measuring system, CNC FANUC 210i-MB, 400V 50Hz 97kW, weight approx. 13 tons Isdpfx Aaoym Tuaj Isau

Condition: good (used), Year of construction: 1979, functionality: fully functional, machine/vehicle number: 1054, grinding length: 400 mm, grinding width: 150 mm, Table length: 400mm Table width: 150mm Maximum cutting length: 400mm Ijdjr Eq U Sjpfx Aa Ieau Maximum grinding width: 150mm Maximum workpiece weight: 75kg Distance spindle to table: 400mm Table speed 1-24 m./min. Sharpening stone diameter: 25mm Spindle speed: 900 – 4500 rpm. Year of construction: 1979

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 Iasdpoy N Amfefx Aa Iou Wheel/Spindle Drive 185KW / 248hp Additional Features Year 1980 Travelling Wheelhead New Stones for Wheel Power rise and fall to wheelhead Auto down feed to wheelhead Marpos Sizing Coolant pump and separator