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  2. Drill - Wikipedia

    en.wikipedia.org/wiki/Drill

    A drill press Drill press (then called a boring machine) boring wooden reels for winding barbed wire, 1917. A drill press (also known as a pedestal drill, pillar drill, or bench drill) is a style of drill that may be mounted on a stand or bolted to the floor or workbench. Portable models are made, some including a magnetic base.

  3. Magnetic drilling machine - Wikipedia

    en.wikipedia.org/wiki/Magnetic_drilling_machine

    A morse taper 3 arbor equipped magnetic drill machine using taper shank drill bits. The arbor or chuck on a magnetic drill is attached to the motor. It is a type of clamp used to attach the core drills. There are mainly two types of chuck available for the magnetic drill, industrial arbor (manual tightening) and quick change drill chucks.

  4. Machine taper - Wikipedia

    en.wikipedia.org/wiki/Machine_taper

    Tapered shank tools are removed from a socket using different approaches, depending on the design of the socket. In drill presses and similar tools, the tool is removed by inserting a wedge shaped block of metal called a "drift" into a rectangular shaped cross hole through the socket and tapping it. As the cross section of the drift gets larger ...

  5. Drilling - Wikipedia

    en.wikipedia.org/wiki/Drilling

    Coolant may be introduced via holes through the drill shank, which is common when using a gun drill. When cutting aluminum in particular, cutting fluid helps ensure a smooth and accurate hole while preventing the metal from grabbing the drill bit in the process of drilling the hole. When cutting brass, and other soft metals that can grab the ...

  6. Rotary table - Wikipedia

    en.wikipedia.org/wiki/Rotary_table

    10 inch, manual rotary table. A rotary table is a precision work positioning device used in metalworking. It enables the operator to drill or cut work at exact intervals around a fixed (usually horizontal or vertical) axis. Some rotary tables allow the use of index plates for indexing operations, and some can also be fitted with dividing plates ...

  7. Walker-Turner - Wikipedia

    en.wikipedia.org/wiki/Walker-Turner

    They were the MJ744 and MJ917 jig saws, TA990 and TA1162 table saws, and the S980 shaper. In 1939 Walker-Turner started adding an Art Deco redesign to many of the 700, 900, and 1100 series machines. This same year drill presses came to the fore as they began to offer custom multi-headed setups for production work. This year also marked the ...

  8. Bad weather and crop failure sent the price of the bean soaring to record highs in 2024. Oil ended the year with a loss, while coal also slipped.

  9. Bench grinder - Wikipedia

    en.wikipedia.org/wiki/Bench_grinder

    Depending on the bond and grade of the grinding wheel, it may be used for sharpening cutting tools such as tool bits, drill bits, chisels, and gouges. Alternatively, it may be used to roughly shape metal prior to welding or fitting. A wire brush wheel or buffing wheels can be interchanged with the grinding wheels in order to clean or polish ...

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