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Difference between casting flange and forging flange

2024-09-03

Casting flange Casting flange, blank shape and size accuracy, small processing, low cost, but there are casting defects (porosity. Cracks. Inclusions); casting internal organization streamline is poor (if it is cutting parts, streamline is poor); forging flange is generally lower than casting flange, low carbon content, not easy to rust. Forging streamline good, dense organization, mechanical properties better than casting flange; if the forging process is not appropriate, the grain will be large or uneven, there will be hardening cracks, forging cost is higher than casting flange. Forgings can withstand higher shear and tensile forces than castings. The advantages of castings are complex shape, low cost; uniform internal organization, no casting holes, inclusions and other harmful defects; casting flanges and forging flanges, such as centrifugal flanges, belong to one of the casting flanges. &nb...

Semi-solid metal casting process

2024-08-03

1, Overview Since 1971, the Massachusetts Institute of Technology's D.B. Spencer and M.C. Flemings invented a stir casting (stir cast) a new process, that is, the use of rotating double barrel mechanical stirring method to prepare a Sr15% Pb rheological slurry since the semi-solid metal (SSM) casting process technology has experienced more than 20 years of research and development. The alloys prepared by stir casting are generally known as non-dendritic organization alloys or called Partially Solidified Casting Alloys (Partially Solidified Casting Alloys). Products using this technology have a strong vitality due to their high quality, high performance and high alloying characteristics. In addition to applications in military equipment, it has begun to focus mainly on key components for automobiles, for example, for automobile wheels, which can improve performance, reduce weight, and lower scrap rates. This ...

Classification of metal manufacturing processes

2024-08-03

Hot working includes casting, forging and welding. Cold working, also known as metal cutting process, including tool cutting process (which has turning process, drilling and boring process, planing, inserting, broaching, milling process, abrasive cutting process; the processing of gear teeth). The following are briefly introduced. (A) casting The casting process is to pour liquid metal into the mold, to be cooled to obtain a certain shape and sex of the casting. This is the method of molding metal in the liquid state. Casting can produce billet blanks of complex shapes, especially complex internal cavities, with unlimited size and weight. Both single-piece production, can also be mass production, the use of most of the material from a wide range of sources, low prices, but also available scrap and waste parts, so the cost is low. Castings and parts of the shape and size close to the processing allowance is small. Casting...