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  2. Grinding wheel - Wikipedia

    en.wikipedia.org/wiki/Grinding_wheel

    Grinding wheels are self-sharpening to a small degree; for optimal use they may be dressed and trued by the use of wheel or grinding dressers. Dressing the wheel refers to removing the current layer of abrasive, so that a fresh and sharp surface is exposed to the work surface. Trueing the wheel makes the grinding surface parallel to the ...

  3. Grinding wheel wear - Wikipedia

    en.wikipedia.org/wiki/Grinding_wheel_wear

    Grinding wheel wear is an important measured factor of grinding in the manufacturing process of engineered parts and tools. Grinding involves the removal process of material and modifying the surface of a workpiece to some desired finish which might otherwise be unachievable through conventional machining processes. [1]

  4. Bench grinder - Wikipedia

    en.wikipedia.org/wiki/Bench_grinder

    A bench grinder is a benchtop type of grinding machine used to drive abrasive wheels. A pedestal grinder is a similar or larger version of grinder that is mounted on a pedestal, which may be bolted to the floor or may sit on rubber feet. These types of grinders are commonly used to hand grind various cutting tools and perform other rough ...

  5. Grinding (abrasive cutting) - Wikipedia

    en.wikipedia.org/wiki/Grinding_(abrasive_cutting)

    The tolerances that are normally achieved with surface grinding are ±2 × 10 −4 inches (5.1 μm) for grinding a flat material and ±3 × 10 −4 inches (7.6 μm) for a parallel surface. [4] The surface grinder is composed of an abrasive wheel, a workholding device known as a chuck, either electromagnetic or vacuum, and a reciprocating table.

  6. Grinding machine - Wikipedia

    en.wikipedia.org/wiki/Grinding_machine

    A grinding machine, often shortened to grinder, is any of various power tools or machine tools used for grinding. It is a type of material removal using an abrasive wheel as the cutting tool. [1] Each grain of abrasive on the wheel's surface cuts a small chip from the workpiece via shear deformation.

  7. Cylindrical grinder - Wikipedia

    en.wikipedia.org/wiki/Cylindrical_grinder

    The grinding wheel must be constantly rotating; The grinding wheel is fed towards and away from the work; Either the work or the grinding wheel is transversed with respect to the other. While the majority of cylindrical grinders employ all four movements, there are grinders that only employ three of the four actions. [1] [2]

  8. Millstone - Wikipedia

    en.wikipedia.org/wiki/Millstone

    The running wheel pivots around a wooden axle embedded in the standing wheel, and it is thanks to its suspension on this axle that the gap between the two wheels is ensured. This type of millstone could be powered either by two or four men, or by animal rides, hence its name mola asinaria , literally "donkey mill".

  9. Wheel and axle - Wikipedia

    en.wikipedia.org/wiki/Wheel_and_axle

    The wheel and axle is a simple machine, consisting of a wheel attached to a smaller axle so that these two parts rotate together, in which a force is transferred from one to the other. The wheel and axle can be viewed as a version of the Lever, with a drive force applied tangentially to the perimeter of the wheel, and a load force applied to ...