Metal parts are collectively known as various specifications and shape metal blocks, metal rods, metal lathe parts manufactured by metal materials.
Metal parts material: steel and non-ferrous metals (non-ferrous metals)
Steel: the iron alloy whose carbon content is 2% to 4.3% is cast iron, the iron alloy whose carbon content is usually between 0.03% and 2% is steel. In the Fe-C alloy, various appropriate amount of alloying elements are added to improve the strength, hardness, wear resistance and corrosion resistance and other properties of the steel. Commonly used alloying elements are Si, Mn, Cr, Ni, Mo, W, V, Ti, Nb, B, etc. which forms all kinds of alloy cast iron or steel alloy.
Application of metal parts
Metal parts are widely used in the production and life: According to statistics, 71% of the overall structure of the Concorde supersonic aircraft is manufactured with special aluminum alloy; high-speed trains, cars and other transport continue to increase the amount of demand for aluminum; architectural decoration aluminum is more and more, which are not only beautiful, but also corrosion resistance; the aluminum wire copper wire in the power systems and household appliances exceed the amount of copper wire; aluminum foil can be used for packaging food and cigarettes; aluminum can also be used as capacitors; the compressors, turbines, pumps and other equipment in petrifaction equipment both require wear resistance (because the rotating member and the medium will produce friction and there are impurities in the medium, etc.) but also requires the custom metal stamps with corrosion resistance (usually the media has a corrosive) and propeller in the marine transport equipment.
1) Corrosion resistance and rust resistance treatment: cook black, boil blue handle is referred as phosphating, making the metal parts to have corrosion-resistant, rust-proof performance.
2) Hardening process: the processing methods to increase in the hardness of the metal parts: 1. Use surface carburizing to increase the surface hardness of the metal parts, the surface color will be blackish after carburizing; 2. Quenching treatment can increase the hardness; 3. Vacuum heat treatment improves the overall hardness.
Machining, stamping, precision casting, powder metallurgy, metal injection molding, laser machining, electrical discharge machining, ultrasonic machining, electrochemical machining, particle beam processing and ultra high-speed processing. The processing like milling, forging, casting, grinding, CNC machining, CNC numerical control machining centers belong conventional processing.
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