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  2. Reamer - Wikipedia

    en.wikipedia.org/wiki/Reamer

    Chucking reamers, or machine reamers, are the most common type of reamer used in lathes, drill presses, and screw machines that provide a smooth finish to the hole. They come in a variety of flutes and cuts (e.g. right hand cut, left hand spiral, straight flute) as well as different shank types.

  3. Jig borer - Wikipedia

    en.wikipedia.org/wiki/Jig_borer

    It resembles a specialized kind of milling machine that provides tool and die makers with a higher degree of positioning precision (repeatability) and accuracy than those provided by general machines. Although capable of light milling, a jig borer is more suited to highly accurate drilling, boring, and reaming, where the quill or headstock does ...

  4. Directional boring - Wikipedia

    en.wikipedia.org/wiki/Directional_boring

    Directional boring machine. Directional boring, also referred to as horizontal directional drilling (HDD), is a minimal impact trenchless method of installing underground utilities such as pipe, conduit, or cables in a relatively shallow arc or radius along a prescribed underground path using a surface-launched drilling rig.

  5. Machining - Wikipedia

    en.wikipedia.org/wiki/Machining

    Within the traditional operations, there are two categories of machining based on the shape they machine; being circular shapes that includes; turning, boring, drilling, reaming, threading and more, and various/straight shapes that includes; milling, broaching, sawing, grinding and shaping.

  6. Raise borer - Wikipedia

    en.wikipedia.org/wiki/Raise_borer

    One impressive use of raise boring is the 7.1 m diameter shafts for Sasol's Middelbult and Bosjesspruit Mines in South Africa. [2] The boxhole borer (or machine roger) is a variant of a raise borer that is used when there is not enough space on the higher of the two levels to be connected. The boxhole borer is set up on the lower level, drills ...

  7. 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.

  8. Roller reamer - Wikipedia

    en.wikipedia.org/wiki/Roller_reamer

    Roller reamer. Roller reamers are employed in boring operations for the oil & gas industry. The main function of roller reamers cut earth formations to enlarge the borehole to the desirable size during well drilling operation, which may be the original size of the drill bit in the case where the drill bit wears to be under-gauged. However, even ...

  9. Drilling - Wikipedia

    en.wikipedia.org/wiki/Drilling

    Titanium drilling. Drilling is a cutting process where a drill bit is spun to cut a hole of circular cross-section in solid materials. The drill bit is usually a rotary cutting tool, often multi-point. The bit is pressed against the work-piece and rotated at rates from hundreds to thousands of revolutions per minute.

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