Technical Information

Process category outline Processing method Applicable equipment at NAGATO
Heat treatment for raw material This is the heat treatment that is applicable for round bars and rectangular lumber before machinery processing and products after hot forging.
It is for enhancing the toughness and workability and homogenization.
Normalizing Continuous furnace
Car bottom furnace
Quenching and Tempering (Thermal Refining)
Vacuum normalizing, Vacuum quenching, Vacuum tempering Batch type vacuum furnace
Aluminum alloy solution heat treatment, Aluminum alloy age hardening Batch type T6 furnace
Heat treatment for products It’s a heat treatment applied mainly to products that have been formed in the product shape after completion of cutting, forging and casting.
It is used for a treatment to toughen parts and harden the surface of parts.
Non-oxidation hardening, Non-oxidation tempering Various atmosphere furnace
Batch type gas carbonization furnace
Gas carburizing, Carbonitriding quenching
Non-oxidation normalizing Non-oxidation normalizing furnace
Vacuum Carburizing quenching Vacuum Furnace
Gas nitrocarburizing Batch type gas nitrocarburizing furnace

Induction hardening

-Stationary type induction hardening
-Vertical movement type induction hardening / Horizontal movement induction hardening
-Full automatic induction hardening system
-Single shot induction hardening
-Submerged quenching
-Non-oxidation quenching

Also machines for all kinds of hardening

Stationary type induction hardening machine
Vertical movement type induction hardening machine
Horizontal movement type induction hardening machine
Full automatic induction hardening machine
Single shot induction hardening machine
Submerged induction hardening machine
Oil submerged induction hardening machine

Flame hardening Dedicated equipment
ADI Batch type ADI furnace
Marquenching Batch type ADI furnace
Combined heat treatment
(a treatment to combine two methods or more)
Carburizing + Induction hardening  
Carburizing + Marquenching Batch type ADI furnace
Surface modification Apply the special treatment on the outermost surface and try to improve the part's function. Hard shot peening Hard shot peening machine
Others Processes and different industries accompanied with the heat treatment. Straightening treatment Hydraulic press
Automatic correction machine
Machining process(Grinding Various grinding operations machine
Machining process(Machining Various machining operations machine
Shot blast Shot blast machine
Painting Painting equipment

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