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Sunnen's new SVF series Grit Guard coolant filter is a build-to-suit solution with progressively higher levels of filtration available, along with chilling, to meet process requirements in abrasive machining. Base Grit Guard models are available in 55- and 110-gallon capacities, equipped with twin and quad Sunnen PF filter cartridges, with a total filtration capacity of 8,800 in.2 and 17,600 in.2 respectively. Modular design allows adding a deep bed paper filter (110-gallon only), magnetic separator and cooling to suit the application. A heavy-duty, two-stage centrifugal pump provides a nominal flow rate of 2.5 gpm. Large easy to access settlement tank increases efficiency and filter element life. Sunnen PF filter cartridges are available for 11, 18, and 60-micron chips in both oil and oil/waterbase compatible configurations. The magnetic separator option is capable of handling chips up to 100 micron size, the Grit Guard filter is ideal for most grinding, lapping and honing operations.
The US-made Grit Guard filter is robustly built with high-reliability components and convenience features, such as fork truck pockets, level gauge, filter-pressure gauge, spare filter storage compartment, and overpressure protection. The high capacity swarf container is equipped with a hoist eye, and a drain tray allows used filters to be drained back into the tank before disposal.
Grit Guard filters have a NFPA-79 compliant electrical system and a robust Brinkman progressive-stage centrifugal pump. Options include an integrated PRAB magnetic separator, deep bed paper filter (110-gallon only), and Turmoil chiller. A unit status light, that alerts operators to reduced flow conditions, is standard. Grit Guard filters come with full documentation, and Sunnen stocks spare parts for rapid delivery.
Related Glossary Terms
- abrasive
abrasive
Substance used for grinding, honing, lapping, superfinishing and polishing. Examples include garnet, emery, corundum, silicon carbide, cubic boron nitride and diamond in various grit sizes.
- abrasive machining
abrasive machining
Various grinding, honing, lapping and polishing operations that utilize abrasive particles to impart new shapes, improve finishes and part stock by removing metal or other material.
- coolant
coolant
Fluid that reduces temperature buildup at the tool/workpiece interface during machining. Normally takes the form of a liquid such as soluble or chemical mixtures (semisynthetic, synthetic) but can be pressurized air or other gas. Because of water’s ability to absorb great quantities of heat, it is widely used as a coolant and vehicle for various cutting compounds, with the water-to-compound ratio varying with the machining task. See cutting fluid; semisynthetic cutting fluid; soluble-oil cutting fluid; synthetic cutting fluid.
- grinding
grinding
Machining operation in which material is removed from the workpiece by a powered abrasive wheel, stone, belt, paste, sheet, compound, slurry, etc. Takes various forms: surface grinding (creates flat and/or squared surfaces); cylindrical grinding (for external cylindrical and tapered shapes, fillets, undercuts, etc.); centerless grinding; chamfering; thread and form grinding; tool and cutter grinding; offhand grinding; lapping and polishing (grinding with extremely fine grits to create ultrasmooth surfaces); honing; and disc grinding.
- lapping
lapping
Finishing operation in which a loose, fine-grain abrasive in a liquid medium abrades material. Extremely accurate process that corrects minor shape imperfections, refines surface finishes and produces a close fit between mating surfaces.
- micron
micron
Measure of length that is equal to one-millionth of a meter.
- modular design ( modular construction)
modular design ( modular construction)
Manufacturing of a product in subassemblies that permits fast and simple replacement of defective assemblies and tailoring of the product for different purposes. See interchangeable parts.
- swarf
swarf
Metal fines and grinding wheel particles generated during grinding.
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