To maximize efficiency, machine shops require coolants that are capable of working in diverse applications and on a wide variety of metals. Hocut 400K from Houghton International is a heavy-duty, chlorine-free machining and grinding metalworking fluid that can be used with many machines, including bar machines, lathes, chuckers, and centerless and cylindrical grinders.
Using Hocut 400K helps manufacturers gain cost-efficiencies by reducing the number of different metalworking fluids in their inventory. Because it can be used on many metals, it removes the need for changeover, promoting decreased downtime. The coolant provides in-process corrosion protection for machinery and parts without staining, and it extends tool life by offering good lubrication for machine ways and indexing mechanisms. Hocut 400K is clean running and low foaming, which contributes to reduced disposal costs and increased operator acceptance. Its biostable formula also ensures long, odor-free sump life.
Hocut 400K is especially suitable for machining automotive-grade aluminum cast alloys, including 308, 319, 356, 380, 384 and 390. It is also recommended for machining the following metals: High- and low-carbon steel; Alloy steels (4130 and 4140); and Cast iron, nodular iron and gray iron.
Related Glossary Terms
- alloy steels
alloy steels
Steel containing specified quantities of alloying elements (other than carbon and the commonly accepted amounts of manganese, sulfur and phosphorus) added to cause changes in the metal’s mechanical and/or physical properties. Principal alloying elements are nickel, chromium, molybdenum and silicon. Some grades of alloy steels contain one or more of these elements: vanadium, boron, lead and copper.
- alloys
alloys
Substances having metallic properties and being composed of two or more chemical elements of which at least one is a metal.
- cast alloys
cast alloys
Alloys cast from the molten state. Most high-speed steel is melted in an electric-arc furnace and cast into ingots.
- 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.
- metalworking
metalworking
Any manufacturing process in which metal is processed or machined such that the workpiece is given a new shape. Broadly defined, the term includes processes such as design and layout, heat-treating, material handling and inspection.
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