Swaging process molybdenum of deep processing

In recent years, the rapid development of ultra-fine molybdenum wire cutting and wire applications, molybdenum processing factories mushroomed developed, which has the advantages of a large area of Zibo in Shandong, Suzhou region, the Northeast region and the Pukou Siping four processing base , although each focused on different, but the process is basically the same. 
 
Molybdenum processing, starting with 203 rotary forging machine at 1400 ~ 1450 ℃ swaging process, then reduce certain temperature, the 202,201 or rotary forging machine approach to the use of string playing swaging process. As the wire diameter is reduced to reduce the processing temperature, and then wire drawing. Initially the processing is carried out in a hydrogen furnace heated by gas or 202 after the electrical heating, the lower melting point of MoO3, and high sublimation, recrystallization temperature of molybdenum is low, the swaging tungsten should be selected suitably low compared (low 100 ~ 150 ℃) processing temperature, although compared with the tungsten molybdenum processing easier, but for its processing temperature and the compression section can not act in haste, but should be strictly controlled (compression ratio in the range of 12% to 22%) the most important is the rotary forging billet temperature, in particular because the bars, round bars in the process labeled from a first angular deformation, to re-crystallization of the previous track play mode, when the compression ratio is also not too big (compression ratio in the range of 12% ~ 14%), as long as the temperature and control the cogging motif suitable compression ratio, it is easy to be brushed. 


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