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  2. Punching - Wikipedia

    en.wikipedia.org/wiki/Punching

    Titanium nitride (TiN) coated industrial punches using cathodic arc deposition technique. The workpiece is often in the form of a sheet or roll. Materials for the workpiece can vary, commonly being metals and plastics. The punch and die themselves can have a variety of shapes to create an array of different shaped holes in the workpiece.

  3. Blanking and piercing - Wikipedia

    en.wikipedia.org/wiki/Blanking_and_piercing

    Punches are available in various shape and sizes; oblong and rectangular punches are common because they minimize waste and allow for greater distances between strokes, as compared to a round punch. Nibbling can occur on the exterior or interior of the material, however interior cuts require a hole to insert the tool.

  4. Hole punch - Wikipedia

    en.wikipedia.org/wiki/Hole_punch

    A hole punch, also known as hole puncher, or paper puncher, is an office tool that is used to create holes in sheets of paper, often for the purpose of collecting the sheets in a binder or folder (such collected sheets are called loose leaves). A hole punch can also refer to similar tools for other materials, such as leather, cloth, or sheets ...

  5. Punch press - Wikipedia

    en.wikipedia.org/wiki/Punch_press

    Quick change tool system (left: die; front: punch, split punch retainer; back: tool body; right: punch guide) A die set consists of a set of punches and dies which, when pressed together, form a hole in a workpiece (and may also deform the workpiece in some desired manner). The punches and dies are removable, with the punch being attached to ...

  6. Staking (manufacturing) - Wikipedia

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

    One workpiece has a hole in it while the other has a boss that fits within the hole. The boss is very slightly undersized so that it forms a slip fit. A staking punch is then used to expand the boss radially and to compress the boss axially so as to form an interference fit between the workpieces. This forms a permanent joint. [1]

  7. Cartridge heater - Wikipedia

    en.wikipedia.org/wiki/Cartridge_heater

    A cartridge heater is a tube-shaped, heavy-duty, industrial Joule heating element used in the process heating industry, usually custom manufactured to a specific watt density, [1] based on its intended application. [2]