Sintered alloys (powder metallurgy) high-precision sintered alloy processing various post-processing after sintering.
Explanation of various post-processing methods after sintering, such as steam treatment and coating!
We will explain various post-processing methods after sintering. The sintered body is placed in a sizing mold and pressurized to correct distortions and improve dimensional accuracy. It is also possible to modify the surface shape. Additionally, we perform barrel polishing, steam treatment, and oil impregnation. 【Various Post-Processing Methods After Sintering】 ■ Sizing ■ Barrel polishing (including burr treatment by shot blasting) ■ Steam treatment (water vapor treatment) ■ Machining ■ Oil impregnation ■ Plating (resin impregnation is required for sealing treatment) ■ Coating *For more details, please refer to the PDF document or feel free to contact us.
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**Summary (Excerpt)** ■ Steam Treatment (Steam Vapor Treatment) - To improve the rust prevention and corrosion resistance of iron-based sintered parts, they are heated to 500-600°C and held in steam for about an hour, allowing a film of iron(III) oxide to form on the surface of the parts. - The film is dense, and it forms through the pores into the interior of the parts, resulting in a sealing effect and improved mechanical strength. ■ Impregnation Oil Treatment - Sintered impregnated bearings are treated with lubricating oil suitable for their application, while sintered mechanical parts are impregnated with lubricating oil and rust prevention oil for lubrication and rust prevention purposes. - Bearings undergo vacuum impregnation to ensure impregnation throughout the interior of the parts. *For more details, please refer to the PDF document or feel free to contact us.* *If you would like to know more about iron powder, please contact our supplier, Heganes Japan Co., Ltd.*
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For more details, please refer to the PDF document or feel free to contact us.
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Since its establishment in 1968, Shinza Metallurgy Co., Ltd. has been a dedicated manufacturer of sintered alloys, focusing on bringing out their characteristics and challenging all possibilities with special-shaped machine parts, oil-impregnated bearings, and materials such as iron, copper, stainless steel, and aluminum through research and development. In recent years, we have particularly focused on the research, development, and production of high-precision gears (JGMA grades 0 to 1), high-precision pulleys, and high-precision helical gears, which are used in various types of machinery.