谷口金属熱処理工業所 List of Products and Services

Hydrogen storage alloys have the property of releasing heat when absorbing hydrogen and absorbing heat when releasing hydrogen, and the alloys themselves can store hydrogen up to 1,000 times their own volume.

• Rock drills, demolition machines, and excavators
• others

Common rail is a system that stores high-pressure fuel and supplies it uniformly to each cylinder, achieving ideal combustion by finely controlling the fuel injection pressure, timing, and quantity through electronic control. With domestic internal combustion engine manufacturers as core companies, our company, along with cutting processing manufacturers, leverages advanced technical skills and know-how (cross-industry collaboration) to develop and manufacture critical components of common rail engines. As we have met the stringent technical requirements set by foreign engine manufacturers, we obtained a license from them in February 2006 and began full-scale business development aimed at mass production in July of the same year.

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Compared to the conventional gas carburizing method, the carburizing time can be shortened, leading to improved processing capacity per hour and enhanced efficiency in terms of quality. Our "High Cp High-Speed Carburizing Method" simultaneously achieves improvements in processing capacity and quality. It demonstrates its effectiveness in reducing the weight of wear-resistant components and enhancing their high strength.

• Steel
• others

Diffusion bonding is a technique for joining metals and ceramics.

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The development of "multi-cooling control for martensitic quenching technology and equipment aimed at achieving lower distortion in carburized products." Our company's unique hot gas furnace has many excellent advantages compared to salt furnaces, such as energy-saving and environmentally friendly features, as well as solutions to the 3K (Kitsui, Kitanai, Kiken - Tough, Dirty, Dangerous) issues. However, there are limitations to the "cooling capacity" when using hot gas alone. This time, we have addressed that issue and further developed and evolved it into the carburizing martensitic quenching furnace.

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Hot gas ("Commercialization of eco-friendly isothermal heat treatment furnace utilizing clean hot gas") is a project that supports new businesses leading the Ehime industry in the 21st century, under the Ehime Prefecture Future-Oriented Knowledge Industry Creation Support Project (Active Venture Support Project) established in 2004. Traditional heat treatment conducted in salt bath furnaces faces issues such as the industrial waste problem of discarded salt, neutralization treatment of washing water, and working environment concerns (volatilization of molten salt into the air, high temperatures). By transitioning from environmentally burdensome salt bath furnaces (salt furnaces) to newly developed hot gas furnaces, eco-friendly manufacturing can be achieved.

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We have consolidated over 30 years of heat treatment technology accumulated as a specialized heat treatment company. Our unique cooling control using hot gas achieves low distortion (Patent No. 4051347). We contribute to reducing total costs by minimizing post-processing steps.

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