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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. Water jet cutter - Wikipedia

   en.wikipedia.org/wiki/Water_jet_cutter

   cut material. A water jet cutter, also known as a water jet or waterjet, is an industrial tool capable of cutting a wide variety of materials using an extremely high-pressure jet of water, or a mixture of water and an abrasive substance. The term abrasive jet refers specifically to the use of a mixture of water and an abrasive to cut hard ...

4. Roll slitting - Wikipedia

   en.wikipedia.org/wiki/Roll_slitting

   Crush cut slitting. A male knife runs against an anvil. The system works well with certain materials including non-wovens and foams. Hot knife slitting. A heated round blade (similar to a score or crush cut blade) or sharpened piece of metal also runs against an anvil in order to cut through the material.

5. 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] The most commonly sheared materials are in the ...

6. Nibbler - Wikipedia

   en.wikipedia.org/wiki/Nibbler

   Manual nibbler, punch-and-die type. A nibbler, or nibblers, [1] is a tool for cutting sheet metal with minimal distortion. They may be used for nibbling.One type operates much like a punch and die, with a blade that moves in a linear fashion against a fixed die, removing small bits of metal and leaving a kerf approximately 6 mm (0.24 in) wide.

7. Cutting stock problem - Wikipedia

   en.wikipedia.org/wiki/Cutting_stock_problem

   Cutting stock problem. In operations research, the cutting-stock problem is the problem of cutting standard-sized pieces of stock material, such as paper rolls or sheet metal, into pieces of specified sizes while minimizing material wasted. It is an optimization problem in mathematics that arises from applications in industry.