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 |
| Annealing | |||
| 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 | ||
|
-Stationary type induction hardening |
Oscillator ・Stationary type 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 | ||
