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Low Pressure Casting Machine

The rolled piece casting forging the difference

by:BoQiao Machinery     2021-01-19
Forging metal solid heat flux forging shape requires good metal thermoplastic ( Call forging sex} Like the forgings are steel of high strength, plasticity is suitable for manufacturing force required high important parts bolt, such as axle, gear casting metal liquid casting mold shape for liquid metal flow resistance filler etc. ( Called the casting) Two iron and steel casting steel casting iron iron carbon content is higher than steel low over its strength steel plastic like the tolerance too machine body parts for the production, low pressure valves, etc. ; High strength steel used to make complex shape parts caterpillar track plate, such as the high pressure valve. Even casting have casting defects, such as molding shrinkage hole, trachoma, fractal surface, pouring hole; Forgings and vice. You can also can be the product fell to the ground, and then listen to the sound, usually a fullness of castings, forgings voice brittle! Forgings are made using the method of forging pieces. Forging is to use impact, forging pieces. The casting is made using the method of casting parts. Casting is a mold or model, to pour the molten steel cast parts. Casting metal melting into to meet the requirements of a certain liquid is poured into the mold, after cooling solidification, men get a predetermined shape, size and performance of the casting ( Parts or blank) Process of pressure on the forging of forging machinery for metal blank, make its produce plastic deformation in order to obtain certain mechanical properties, a certain shape and size of forging processing methods to improve my answer perfect answer, after checking by 3 points can be obtained wealth value the latest answer: 21:04 version: 1 version of history. Castings and forgings difference: 1, the surface of the forging of small density, the surface of the casting should be coarser, and forging processing surface should be more bright. 2, cast iron cross section hair gray color, silver and forging steel section. 3, listen to the voice, forging density, hit the sound is ringing, after casting sounds boring. 4, use grinder polish to see both spark with different ( Forgings light) And so on. Compared with casting metal after forging processing can improve its organizational structure and mechanical properties. Casting organization after forging method of thermal deformation due to metal deformation and recrystallization, make original bulky dendrite and columnar grain to grain is fine and uniform axial recrystallization organization, make the ingot in the original segregation, porosity, porosity, slag compaction and welded, such as its organization become more closely, plasticity and mechanical properties of the metal.
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