Heat Treatment
Heat Treatment
Heat treatment is essential for metal parts to improving their durability. We provide industrial furnace manufacturing and heat treatment processing services taking advantage of our advanced equipment design technology, carbirizing and nitriding technologies and film formation technology.
Core Technologies
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- Heat Technology
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- We design and manufacture energy-saving and highly productive equipment using high-efficiency thermal technology.
- We are developing heating technology using zero-carbon fuels such as ammonia and hydrogen.
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- Gas Reaction Technology
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- We have developed a new type of controlled nitriding achieving the same strengh as carburizing to contribute to decarbonization.
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- Vacuum Technology
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- Lean carburizing reaction in vacuum realizes highly efficient heat treatment.
- We developed carburizing treatment with almost zero CO2 emission.
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- Plasma Treatment Technology
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- We provide various type of film deposition by three types of plasma process (Plasma enhanced CVD, Ion Plating and Sputtering).
- These films have excellent wear resistance, impact resistance and friction properties.
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- Surface Analysis and Evaluation Technology
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- We can evaluate the physical and mechanical properties of heat treated or suface treated materials.
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- Thermal and Fluid Analysis Technology
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- By visualizing the temperature distribution and gas flow in the furnace using thermal and fluid analysis technique, we have achieved optimization of heat treatment process and rapid technology development.
Examples of Core Technology Applications
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- Carburizing Quenching Technology
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- Typical processing Steps of carburizing and quenching
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- Technical Features: Points of Differentiation
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- We use equipment manufactured in-house, which allows us to approach from both equipment and process aspects.
- We support the entire heat treatment process, from equipment maintenance to human resource development.
Microstructure of carburized and quenced steel.
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- Nitriding Technology
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- Typical processing Steps of nitriding
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- Technical Features: Points of Differentiation
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- By controlling the temperature and nitriding potential, we can make desired compound layer.
- We can evaluate the phase of compound layer using EBSD (Electron Back Scattered Diffaction patter) analysis.
- We can improve machanical properties of steel by controlled nitriding layer.
Phase Control of Compound Layer
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- Plasma Processing Technology
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- Typical processing Steps of plasma process
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- Technical Features: Points of Differentiation
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- Plasma nitriding realizes nitriding only for desired area using simple jigs.
- By plasma nitriding, we can provide nitriding of stainless steel which is difficult with nitrocarburizing.
- We can control specification of nitriding layer, such as only diffusion layer, Fe4N compound layer and so on.
- We can realize various characteristics by wide variety of films utilizing the combination of material of sputtering target and gas, e.g. Diamond like Carbon, Titanium nitride, Chromium nitride and so on.
Inside the chamber during plasma nitriding