JTS125 Roots Fan Gear Shaft Changsha Roots Blower Factory Roots Fan JTS125 Gear Shaft
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JTS125 Roots fan gear shaftMaterial to have good mechanical properties, often used 42CrMo steel by normalizing, tempering, induction heating quenching and low-temperature tempering has reached the required performance. 42CrMo steel belongs to the ultra-high-strength steel, with high strength and toughness, quenching is also good, no obvious tempering brittleness, tempering treatment has a high fatigue limit and resistance to multiple impacts, low-temperature impact toughness. The steel is suitable for the manufacture of large and medium-sized plastic molds requiring a certain degree of strength and toughness. 42CrMo is a medium-carbon alloy steel, the preparatory heat treatment is normalized, the main purpose is to obtain a certain degree of hardness, to facilitate the cutting process of the billet for tempering to make the organization ready. The purpose of tempering is to improve the comprehensive mechanical properties of the mill gear shaft. Medium frequency induction heating surface quenching is to make the surface of the parts to get high hardness and wear resistance, while the heart still maintains a certain degree of strength and high plasticity, toughness.
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