Metal Processing

Metal Spraying

 

Metal spraying is spraying hot metal on to a surface to create a coating. Thermal spraying techniques are coating processes in which melted (or heated) materials are sprayed onto a surface. The “feedstock” (coating precursor) is heated by electrical (plasma or arc) or chemical means (combustion flame).

Metal spraying
Thermal spraying can provide thick coatings (approx. thickness range is 20 micrometers to several mm, depending on the process and feedstock), over a large area at high deposition rate as compared to other coating processes such as electroplating, physical and chemical vapor deposition. Coating materials available for thermal spraying include metals, alloys, ceramics, plastics and composites.

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Deep Drawing

 

Deep drawing manufacturing technology is the stretching of sheet metal stock, commonly referred to as a blank, around a plug. The edges of the metal blank are restrained by rings and the plug is deep drawn into a top die cavity to achieve the end shape that is desired. There are many shapes that can be made through deep drawing and stamping such as cups, pans, cylinders, domes and hemispheres, as well as irregular shaped products.

Deep Drawing Kitchen Set

Deep drawing is the manufacturing process of forming sheet metal stock, called blanks, into geometrical or irregular shapes that are more than half their diameters in depth. Deep drawing involves stretching the metal blank around a plug and then moving it into a moulding cutter called a die.

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Foundry and Casting

 

A foundry is a factory that produces metal castings. Metals are cast into shapes by melting them into a liquid, pouring the metal in a mold, and removing the mold material or casting after the metal has solidified as it cools. The most common metals processed are aluminum and cast iron. However, other metals, such as bronze, steel, magnesium, copper, tin, and zinc, are also used to produce castings in foundries.

The Kushva Iron-and-Steel Works in the Sverdlovsk Region, Urals.

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Extrusion

 

Extrusion is the process by which long straight metal parts can be produced. The cross-sections that can be produced vary from solid round, rectangular, to L shapes, T shapes. Tubes and many other different types. Extrusion is done by squeezing metal in a closed cavity through a tool, known as a die using either a mechanical or hydraulic press.

Extrusion Processing

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    • Austempered Ductile Iron (ADI) June 18, 2011
      Austempered Ductile Iron, or ADI, is a type of ductile iron that is characterised by increased toughness, tensile strength and wear resistance compared to normal ductile irons. […]
      metalkunde
    • Metal Spraying June 17, 2011
      Metal spraying is spraying hot metal on to a surface to create a coating. […]
      metalkunde
    • Timeline of materials technology June 16, 2011
      29,000–25,000 BC – First pottery appears 3rd millennium BC – Copper metallurgy is invented and copper is used for ornamentation 2nd millennium BC – Bronze is used for weapons and armour […]
      metalkunde
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