Related Glossary Terms
Rotary tool that removes hard or soft materials similar to a rotary file. A bur’s teeth, or flutes, have a negative rake.
Stringy portions of material formed on workpiece edges during machining. Often sharp. Can be removed with hand files, abrasive wheels or belts, wire wheels, abrasive-fiber brushes, waterjet equipment or other methods.
- cylindrical grinding
Grinding operation in which the workpiece is rotated around a fixed axis while the grinding wheel is fed into the outside surface in controlled relation to the axis of rotation. The workpiece is usually cylindrical, but it may be tapered or curvilinear in profile. See centerless 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.
- high-speed steels ( HSS)
high-speed steels ( HSS)
Available in two major types: tungsten high-speed steels (designated by letter T having tungsten as the principal alloying element) and molybdenum high-speed steels (designated by letter M having molybdenum as the principal alloying element). The type T high-speed steels containing cobalt have higher wear resistance and greater red (hot) hardness, withstanding cutting temperature up to 1,100º F (590º C). The type T steels are used to fabricate metalcutting tools (milling cutters, drills, reamers and taps), woodworking tools, various types of punches and dies, ball and roller bearings. The type M steels are used for cutting tools and various types of dies.
Minimum and maximum amount a workpiece dimension is allowed to vary from a set standard and still be acceptable.
Judging from the enthusiastic response of our HSS costumers to oelheld’s new SintoGrind HSS-X 1400 grinding fluid we can say, that the HSS – manufacturers have long been neglected by the grinding fluid manufacturers. There are simply no true performance oils available for the HSS market, in spite of the well- known fact that a performance grinding oil can have a huge impact on production efficiency and output.
SintoGrind HSS-X 1400 is formulated with modern GTL (gas to liquid) base oils. GTL oils do not display the negatives of mineral oil derived base oils. Gas to liquid oils are superior in longevity and high temperature tolerance.
SintoGrind HSS-X 1400 is suitable for flute-, thread-, profile-, internal and external cylindrical grinding of steel materials such as HSS, PM and medical steels. SintoGrind HSS-X 1400 is low foaming, prevents surface burning, inhibits burr development, is low misting and offers excellent filterability.