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  2. Shear (sheet metal) - Wikipedia

    en.wikipedia.org/wiki/Shear_(sheet_metal)

    An alligator shear, historically known as a lever shear and sometimes as a crocodile shear, is a metal-cutting shear with a hinged jaw, powered by a flywheel or hydraulic cylinder. Alligator shears are generally set up as stand-alone shears; however, there are types for excavators. The jaw size can range from 4 to 36 in (100 to 910 mm) long.

  3. Shearing (manufacturing) - Wikipedia

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

    Shearing, also known as die cutting, [1] is a process that cuts stock without the formation of chips or the use of burning or melting. Strictly speaking, if the cutting blades are straight the process is called shearing; if the cutting blades are curved then they are shearing-type operations. [2]

  4. Cutting tool (machining) - Wikipedia

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

    Linear cutting tools include tool bits (single-point cutting tools) and broaches. Rotary cutting tools include drill bits, countersinks and counterbores, taps and dies, reamers, and cold saw blades. Other cutting tools, such as bandsaw blades, hacksaw blades, and fly cutters, combine aspects of linear and rotary motion. The majority of these ...

  5. Blade shearing - Wikipedia

    en.wikipedia.org/wiki/Blade_shearing

    Originally sheep and other animals were shorn using sharp glass or metal taking tufts of fiber at a time to harvest the fiber but slowly man adapted scissor-like blades to make the job easier. Machine shearing was invented in the early 1880s [2] and slowly took over as the main form of shearing, but there is still a place for blade shearing in ...

  6. Snips - Wikipedia

    en.wikipedia.org/wiki/Snips

    In tinner's snips this means the handles are extra long. The compound-action bulldog-pattern, also known as a notch snips, has the ability to cut up to 16 gauge cold rolled sheet metal or multiple layers of sheet metal up to 0.062 in (1.6 mm) thick. Some snips have replaceable blades for when the blade becomes worn out.

  7. Alligator shear - Wikipedia

    en.wikipedia.org/wiki/Alligator_shear

    An alligator shear, historically known as a lever shear [1] and sometimes as a crocodile shear, [2] is a metal-cutting shear with a hinged jaw, powered by a flywheel or hydraulic cylinder. Alligator shears are generally set up as stand-alone shears; however, there are types for excavators. The jaw size can range from 4 to 36 in (100 to 910 mm ...

  8. Shear forming - Wikipedia

    en.wikipedia.org/wiki/Shear_forming

    Fig. 1. A shear formed product: a hollow cone with a thin wall thickness. Shear forming, also referred as shear spinning, is similar to metal spinning. In shear spinning the area of the final piece is approximately equal to that of the flat sheet metal blank. The wall thickness is maintained by controlling the gap between the roller and the ...

  9. Blanking and piercing - Wikipedia

    en.wikipedia.org/wiki/Blanking_and_piercing

    Normally lancing is done on a mechanical press, lancing requires the use of punches and dies to be used. The different punches and dies determine the shape and angle (or curvature) of the newly made section of the material. The dies and punches are needed to be made of tool steel to withstand the repetitious nature of the procedure. [2]

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