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Products Name:GKZ series Roller-hearth Electrical lsothermal Bright Normalizing Production Line
 
 
    Product description

 ·Products after isothermal normalization have well organized internal structure, the coaxial crystallized particles. These products are able to resist deformation and sustain their shape during final heat treatment, which is why normalization is widely performed.

·This production line is an innovative product of the company, which has been granted the national patent with patent ID ZL200810121409. It is very appropriate for non-oxidized decarburized isothermal normalization of fine-forged gear-billet.

·The production line is a completely-sealed-structure, which is composed of a normalization heating furnace, a rapid cooling chamber, a isothermal furnace, two vacuumized air-locking chamber at the ends of the line and a water cooling chamber.

·The treatment of heating, rapid cooling and isothermal process are all automatically controlled by computer programs.

·The rapid cooling chamber is filled with cold nitrogen gas. The workpieces are swung around in the chamber to allow the workpieces to be rapidly cooled uniformly, which results a very small deviation of hardness.

·The nitrogen gas in the rapid cooling chamber is cycled to exchange heat more efficiently. Since the chamber is sealed, there is no leakage of nitrogen gas. The heat exchanging process is effective and controllable.

·Products through bright normalization have a steady quality; the products are shiny, non-oxidized and with great metallic internal structure.

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