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  2. Boring (manufacturing) - Wikipedia

    en.wikipedia.org/wiki/Boring_(manufacturing)

    A part's-eye view of a boring bar. Hole types: Blind hole (left), through hole (middle), interrupted hole (right). In machining, boring is the process of enlarging a hole that has already been drilled (or cast) by means of a single-point cutting tool (or of a boring head containing several such tools), such as in boring a gun barrel or an engine cylinder.

  3. Turning - Wikipedia

    en.wikipedia.org/wiki/Turning

    A lathe is a machine tool used principally for shaping pieces of metal, wood, or other materials by causing the workpiece to be held and rotated by the lathe while a tool bit is advanced into the work causing the cutting action.

  4. Boring - Wikipedia

    en.wikipedia.org/wiki/Boring

    Boring (earth), drilling a hole, tunnel, or well in the earth Tunnel boring machine, a machine used in boring tunnels; Boring (manufacturing), enlarging a hole that has already been drilled; Drilling, a cutting process that uses a drill bit to cut a hole of circular cross-section; Boring, a mechanism of bioerosion

  5. Speeds and feeds - Wikipedia

    en.wikipedia.org/wiki/Speeds_and_feeds

    Cutting speed may be defined as the rate at the workpiece surface, irrespective of the machining operation used. A cutting speed for mild steel of 100 ft/min is the same whether it is the speed of the cutter passing over the workpiece, such as in a turning operation, or the speed of the cutter moving past a workpiece, such as in a milling operation.

  6. Lathe - Wikipedia

    en.wikipedia.org/wiki/Lathe

    Modern metal lathe A watchmaker using a lathe to prepare a component cut from copper for a watch. A lathe (/ l eɪ ð /) is a machine tool that rotates a workpiece about an axis of rotation to perform various operations such as cutting, sanding, knurling, drilling, deformation, facing, threading and turning, with tools that are applied to the workpiece to create an object with symmetry about ...

  7. Machining - Wikipedia

    en.wikipedia.org/wiki/Machining

    CNC machine pouring coolant to keep the tool and parts from getting hot Lathe machine. Machining is a manufacturing process where a desired shape or part is created using the controlled removal of material, most often metal, from a larger piece of raw material by cutting.

  8. 49ers suspend De'Vondre Campbell for refusing to enter game ...

    www.aol.com/report-49ers-suspend-devondre...

    The San Francisco 49ers on Monday suspended linebacker De'Vondre Campbell for the final three games of the regular season for refusing to play Thursday night against the Los Angeles Rams.. Niners ...

  9. Facing (machining) - Wikipedia

    en.wikipedia.org/wiki/Facing_(machining)

    Facing on a lathe (perpendicular to the axis of rotation), which is commonly used in turning and boring operations. Other operations remove material in ways similar to facing, for example, planing , shaping , and grinding , but these processes are not labeled by the term "facing."