光栄テクノシステム List of Products and Services

Introduction of 3D shape measurement and material measurement devices ⇒ Photo 1 Introduction of material measurement device ⇒ Photo 1 【Material Measurement Device】 ● Rigaku Portable X-ray Fluorescence Analyzer XL2-980S Plus Alloy ⇒ Photo 2 ● A wide range of elements can be measured, from light elements like Mg and Si to heavy elements. ● Identifies the material of repair and regeneration targets for accurate repairs. ● Material measurement only is also available. ● Usable items ・Can be used for steel type identification and quality control. ・Can be utilized for sorting SUS, aluminum alloys, copper alloys, and other special alloys. 【Measurement Examples】 ・Measurement example with test piece ⇒ Photo 3 ・During test piece measurement ⇒ Photo 4 ・C1751 (beryllium copper) material measurement data ⇒ Photo 5

• Processing Contract
• Calibration and repair
• Other contract services

This is an introduction to the repair and regeneration of semiconductor manufacturing equipment parts by Kōei Techno System Co., Ltd., which focuses on the repair, regeneration, prolongation, and maintenance of parts, aiming for high-quality parts, wear resistance, heat resistance, and anti-corrosion, similar to preventive medicine, through advanced research and development of machinery. 【Repair and manufacturing of parts used in the semiconductor industry】 ● Acceptance (repair/new) ● Removal of thermal spray coating (lathe processing) ● Application of ceramic coating (ceramic thermal spraying) ● Finishing of thermal spray coating (grinding processing) / Final finishing (lapping treatment) 【Other semiconductor-related parts repair】 ● Other parts repair examples ⇒ Photo 2 - Corrosion and wear-resistant thermal spraying on the surface of drying equipment (HVOF thermal spraying) - Grinding processing of raw materials used in semiconductors - WC-Co HVOF thermal spraying on screens - HVOF thermal spraying on equipment walls and inner walls - Thermal spraying on sputtering targets for semiconductors - Thermal spraying on the electrode part of electric furnace heating elements

• Processing Contract
• Calibration and repair
• Other contract services

【Dynamic Balance Adjustment of Crushing Rotors】 This is the dynamic balance adjustment of rotors used for shredding materials such as wood in the recycling field. We perform the dynamic balance of the rotors at our company, carry out the required balance adjustments, and then return them to the customer. ■ Crushing Rotor ⇒ Photo 1 【Dynamic Balance Adjustment of Nara-type Crushers】 This is the disc located inside the Nara-type crusher. After use, when the balance is disrupted and vibrations increase, we take the hammers provided by the customer, replace them, perform dynamic balance adjustments, and return the adjusted product to the customer. ■ Finished product after blast processing and dynamic balance adjustment ⇒ Photo 2

• Processing Contract

Introduction of 3D Shape Measurement Machine ⇒ Photo 1 【3D Scanner Type Three-Dimensional Measuring Machine】 ● 3D Scanner Type Three-Dimensional Measuring Machine VL-500 (Keyence) ⇒ Photo 2 ● Can be used for reverse engineering or for creating drawings of new products. ● We also accept shape measurements and CAD drawing creation. ● During fully automatic measurement ⇒ Photo 3, Photo 4, Photo 5 ● 3D data after measurement ⇒ Photo 6, Photo 7 ● Cross-section data screen ⇒ Photo 8 ● Application example: Demonstrates power in camshaft reproduction Previously, cam lobe reproduction was done by fitting with existing parts, but since drawings can now be created, the production of fitting jigs and other tools has also become possible.

• Processing Contract
• Calibration and repair
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This is an introduction to Kōei Techno System's research and development aimed at enhancing the quality of components, improving wear resistance, heat resistance, and corrosion resistance, similar to preventive healthcare, with a focus on the repair, regeneration, extension of life, and maintenance of parts. We perform grinding of the bearing and seal parts of magnetic pulleys (magnetic separators) used in the recycling field, as well as dynamic balancing of the pulley body. Dynamic balancing is conducted to G2.5 grade, adjusting unbalanced weights from several hundred grams down to a few grams. Additionally, in terms of grinding performance, we process shafts at the acceptance stage with rough dimensions (+0.2 to +0.5 of the finished dimensions) to finished dimension tolerances (+0.01 to +0.015). [Magnetic Pulley Bearing and Seal Parts] Dynamic Balancing Adjustment and Grinding Processing ● Magnetic Pulley ⇒ Schematic Diagram ● Before Adjustment ⇒ Photo 1 ● During Dynamic Balancing Operation ⇒ Photo 2 *For further details, please download the catalog or contact us.

• Processing Contract

This is an introduction to the restoration thermal spraying of shafts for pelletizing machines by Kōei Techno System Co., Ltd., which conducts research and development aimed at enhancing the quality of parts, improving wear resistance, heat resistance, and corrosion resistance, similar to preventive healthcare, with a focus on the repair, regeneration, extension of life, and maintenance of components. It is a machine that converts waste, powders, and other difficult-to-handle waste into pellets (granulated products). By pelletizing, it simplifies the handling for reuse or disposal, allows for efficient combustion as fuel, and reduces costs for storage, transportation, and shipping. For standard products, we apply thermal spraying using 13Cr series stainless steel. We use materials that have high wear resistance and excellent versatility. Additionally, we can create thermal spray coatings using materials such as SUS316, aluminum, aluminum bronze, and Hastelloy, depending on the application. 【13Cr Series Thermal Spray Coating】 Restoration thermal spraying of shafts (pelletizing machine) ● Before processing ⇒ Photo 1 ● After processing ⇒ Photo 2

• Processing Contract
• Calibration and repair
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This is an introduction to the "Volume Reduction and Solidification Device Screw Repair Welding" by Kōei Techno System Co., Ltd., which focuses on the repair, regeneration, extension of life, and maintenance of parts. The company conducts research and development aimed at enhancing the quality of parts, improving wear resistance, heat resistance, and corrosion resistance, similar to preventive healthcare, to advance machinery. The screw is incorporated into the volume reduction and solidification device within the waste sorting plant. Waste is crushed by the screw in this device, softened by frictional heat, and compressed and solidified into hard solid materials, which become recycled raw materials. Overlay welding and other processes are performed on the screws of the volume reduction and solidification device. During welding, super-hard particles that are freely dropped enter the molten metal, cool down, and solidify, resulting in protrusions of super-hard particles on the welding surface. The aim is to improve wear resistance and impact resistance. 【Volume Reduction and Solidification Device Screw】 ● Welding processing with dispersed super-hard materials ⇒ Photo 1 *For more details, please download the catalog or contact us.

• Processing Contract

【Inner Wall of Crushing Device】 WC/12Co applied, improved wear resistance ● Wear-resistant thermal spraying on the inner wall of the crushing device ⇒ Photo 1 【Feeding Machine Screw】 WC/12Co applied, improved wear resistance ● Wear-resistant thermal spraying on the feeding machine screw ⇒ Photo 2 【Internal Parts of Powder Classification Device】 Ceramic and WC/12Co applied, improved wear resistance ● Wear-resistant thermal spraying on the internal parts of the powder classification device ⇒ Photo 3 【Parts of Powder Classifier】 Ceramic applied, improved corrosion and wear resistance ● Corrosion and wear-resistant thermal spraying on the parts of the powder classifier ⇒ Photo 4 【Pump Parts】 WC/10Co4Cr, WC/CrNi, or WC/20CrC7Ni applied ● Corrosion and wear-resistant thermal spraying on the pump parts ⇒ Photo 5 【Magnet Pulley】 ● Grinding of dynamic balance, outer peripheral bearing section, and seal section ⇒ Photo 6 【Dynamic Balance Adjustment of Various Crushers】 ● Dynamic balance adjustment of crushing rotor, Nara-type crusher internal disk ⇒ Photo 7, Photo 8 【Volume Reduction Solidification Device Screw】 ● Welding of cemented carbide dispersion ⇒ Photo 9 【Pellet Granulator Shaft】 ● 13Cr series thermal spray coating ⇒ Photo 10

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• Calibration and repair
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To conduct reverse engineering, we have introduced the 3D scanner type three-dimensional measuring machine VL-500 (Keyence). We capture damaged parts with the three-dimensional measuring machine and output the data, then create a drawing based on the repaired shape of that part. Based on that drawing, we carry out the repair work to reproduce the part in its pre-damaged shape. Even for parts that are no longer in production or for which there are no drawings, we can regenerate new parts using reverse engineering technology. This applies to internal combustion engines, industrial machinery, etc., and is also capable of shape measurement only. *Reverse engineering refers to analyzing a product to create design drawings, as well as gaining a deep understanding of manufacturing methods and operating principles. ● 3D scanner type three-dimensional measuring machine VL-500 (Keyence) ⇒ Photo 1 ● Fully automated measurement in progress ⇒ Photo 2, Photo 3, Photo 4 ● 3D data after measurement ⇒ Photo 5, Photo 6 ● Cross-sectional data screen ⇒ Photo 7

• Processing Contract
• Calibration and repair
• Other contract services

This is an announcement from Kōei Techno System Co., Ltd. regarding the "Repair of the upper and lower parts of the circulation water pump main shaft," focusing on the repair, regeneration, extension of life, and maintenance of parts. We conduct research and development aimed at enhancing the quality of parts, improving wear resistance, heat resistance, and corrosion resistance, similar to preventive medicine, to advance machinery. 【Main Processing by Thermal Spraying】 We perform thermal spraying of SUS316 using wire thermal spraying. After spraying, further improvement in corrosion resistance can be expected by conducting sealing treatment on the surface of the coating. - Product Dimensions: φ155×7,850L, two locations (upper and lower) 【Acceptance and Pre-Treatment】 ● Acceptance and pre-processing runout measurement ⇒ Photo 1, Photo 2, Photo 3 ● Undercut by lathe (pre-processing before spraying) ⇒ Photo 4 ● Blast treatment (pre-treatment before spraying) 【Thermal Spraying Processing】 ● Thermal spraying processing ⇒ Photo 5 ● Dimension and temperature measurement ⇒ Photo 6, Photo 7 ● Sealing treatment - Sealing treatment of the sprayed area is conducted 【Finishing Processing】 ● Lathe finishing processing ⇒ Photo 8 ● Runout measurement after construction ⇒ Photo 9 *For more details, please download the catalog or contact us.

• Welding Machine
• Processing Contract
• Surface treatment contract service

This is an introduction to the "Dynamic Balance Adjustment of Rotating Machinery" by Kōei Techno System, which focuses on the repair, regeneration, extension of life, and maintenance of parts. We conduct research and development aimed at enhancing the quality of parts, improving wear resistance, heat resistance, and corrosion resistance, similar to preventive medicine, to advance machinery technology. Dynamic balance refers to... When a rotating machine is turned, a force acts on the rotating body in a specific direction. This force, expressed as a numerical value, is called dynamic balance. If the dynamic balance is large, significant swaying or vibration occurs during rotation, leading to instability in product quality. Our company uses centrifuges or other rotating machinery to measure the amount of imbalance and perform dynamic balance adjustments, thereby reducing vibration and noise, improving the performance of the rotating body, and extending its lifespan. ● Dynamic balance measuring equipment ⇒ Photo 1 ● Balance quality grades (JIS B 0905) ⇒ Photo 2 【Example of Dynamic Balance Adjustment】 ● Dynamic balance adjustment and plating of screw rotors ⇒ Photo 3 【Balance Test Report】 Dynamic balance adjustment and blast coating of a Sirocco fan ● Balance test report ⇒ Photo 4 ● How to read the balance test report ⇒ Photo 5 ● Various dynamic balance adjustments ⇒ Photo 6 to Photo 10

• Contract measurement

This is an introduction to Kōei Techno System's main corrosion and wear-resistant processing, which focuses on the repair, regeneration, extension of life, and maintenance of parts. We conduct research and development aimed at enhancing the quality of parts and advancing machinery with features such as wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine. **Main Processing by Thermal Spraying** We perform thermal spraying of cermets such as WC-Co and WC-CrNi using HVOF (High Velocity Oxygen Fuel) spraying, as well as thermal spraying of cermets and ceramics using plasma spraying. ● Processing by thermal spraying ⇒ Photo 1 **Main Processing by Welding** We carry out hardfacing using arc, gas, and TIG welding. ● Processing by welding ⇒ Photo 2 **Typical Characteristics of Various Thermal Spraying and Welding Technologies** ● Typical characteristics of various thermal spraying and welding technologies ⇒ Photo 3 *For more details, please download the catalog or contact us.*

• Welding Machine
• Processing Contract
• Surface treatment contract service

This is an introduction to Kōei Techno System's "Corrosion and Wear Resistant Processing by HVOF Coating (High Velocity Oxygen Fuel Coating)," which focuses on the repair, regeneration, extension of life, and maintenance of parts. We conduct research and development aimed at enhancing the quality of parts, improving wear resistance, heat resistance, and anti-corrosion, similar to preventive medicine, to advance machinery. HVOF is a type of gas thermal spraying method that utilizes a super high-speed jet stream generated by the combustion of high-pressure oxygen. Because the material collides with the substrate at high speed, it forms a coating with very high adhesion and density, resulting in a high-quality film. It is suitable for spraying cermets such as WC-Co, yielding high-hardness wear-resistant coatings. 【Screws】 ● Supply machine screw ⇒ Photo 1 ● Conveying screw ⇒ Photo 2 【Crushing Equipment】 ● Inner wall of the crushing equipment ⇒ Photo 3 ● Wall surface of the crushing equipment ⇒ Photo 4 ● Processed inner wall of the crushing equipment ⇒ Photo 5 【Pump Parts】 ● Pump parts ⇒ Photo 6, Photo 7 ● After processing pump parts ⇒ Photo 8 【Powder Classification Equipment】 ● Inner cylinder of the powder classification equipment ⇒ Photo 9 *For more details, please download the catalog or contact us.

• Welding Machine
• Processing Contract
• Surface treatment contract service

This is an introduction to Kōei Techno System's "Corrosion and Wear Resistant Coating by Plasma Spraying," which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high quality, wear resistance, heat resistance, and anti-corrosion of components through advanced machinery research and development, similar to preventive medicine. The plasma flame generated by the ionization of inert gas serves as the heat source. With ultra-high temperature and high-speed frames, it forms high-density, high-quality coatings not only on metals but also on high melting point materials such as cermets and ceramics. The temperature of the plasma jet can be selected, allowing for greater freedom in material selection, and it features high adhesion between the substrate and the sprayed coating. Ceramics (chromium oxide, gray alumina, alumina, etc.) are applied. ● Spraying on sleeves ⇒ Photo 1 ● Spraying on the oil seal part of the screw shaft ⇒ Photo 2 ● Spraying on the gland packing of flanged sleeves ⇒ Photo 3 ● Powder classification component ⇒ Photo 4 *For more details, please download the catalog or contact us.

• Welding Machine
• Processing Contract
• Surface treatment contract service

**Main Corrosion and Wear-Resistant Processing** We have technologies for thermal spraying and welding as the main methods of corrosion and wear-resistant processing. ● Processing by thermal spraying and welding ⇒ Photo 1 **Corrosion and Wear-Resistant Processing by HVOF Thermal Spraying** WC/12Co application A high-hardness wear-resistant coating is obtained. ● Cylinders in powder classification equipment, conveying screws ⇒ Photo 2 **Wire Thermal Spraying Corrosion and Wear-Resistant Processing** SUS316 application Wire thermal spraying on the upper and lower parts of the circulation water pump spindle ● Surface after thermal spraying → Lathe finishing ⇒ Photo 3 **Plasma Thermal Spraying Corrosion and Wear-Resistant Processing** Ceramic application Forms a high-density, high-quality coating. ● Processing of oil seal parts of screw shafts and components of powder classification machines ⇒ Photo 4 **Wear-Resistant Build-Up Welding** ● Wear-resistant build-up welding on the outer circumference of rotors and extruder screws ⇒ Photo 5 Arc, gas, and TIG hard build-up are performed on areas of severe wear. **Comparison of Coating Hardness** ● Hardness comparison table / Hardness test results ⇒ Photo 6 ● Classification of thermal spraying materials by purpose ⇒ Photo 7 **Applications to Products** ● Examples of applications in various industries ⇒ Photo 8, Photo 9 **Introduction of Material Measurement Equipment** ● Also capable of improving corrosion and wear resistance ⇒ Photo 10

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Our company specializes in "thermal spraying," which leads to the improvement of the performance of products and parts. We accommodate various thermal spray powders such as WC/12Co, WC/10Co4Cr, WC/CrNi, and WC/20CrC7Ni. We also support thermal spraying of ceramics (gray alumina, alumina, etc.). 【Examples of Thermal Spraying】 ■ Inner wall of crushing equipment ■ Supply machine screws ■ Inner cylinder of powder classification equipment ■ Components of powder classifier ■ Pump parts ■ Other application examples *In addition to case materials summarizing processing examples, various documents are available for download.

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• Calibration and repair
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This is an introduction to the "Dimensional Restoration of Sliding Wear Parts" by Kōei Techno System, which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high quality, wear resistance, heat resistance, and anti-corrosion of machinery, similar to preventive medicine. Regenerated parts can reduce CO2 emissions compared to manufacturing new parts, making them suitable for environmental conservation. Our main techniques include thermal spraying, welding, and machining. 【Dimensional Restoration of Various Compressor Parts with Reduced Thickness】 ● Liner Production ⇒ Photo 1 ● Boring Processing ⇒ Photo 2 ● Honing Processing ⇒ Photo 3 ● Before and After Processing ⇒ Photo 4 ● Honing Processed Area ⇒ Photo 5 By finishing with a fine mesh pattern (crosshatch) on the machined surface, this mesh retains lubricating oil in sliding parts, achieving low friction. ● Various Compressors ⇒ Photo 6, Photo 7

• Processing Contract
• Calibration and repair
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This is an introduction to the research and development conducted by Kōei Techno System Co., Ltd., aimed at enhancing the quality of parts, improving wear resistance, heat resistance, and corrosion resistance, similar to preventive healthcare, with a focus on the repair, regeneration, extension of life, and maintenance of components. Regenerated parts reduce CO2 emissions compared to manufacturing new parts, making them suitable for environmental conservation. Our main techniques include thermal spraying, welding, and machining. 【Dimension Restoration of Outer Diameter】 Restoration of wear on oil seal areas ● Build-up thermal spraying (13Cr stainless steel) ⇒ Photo 1 ● Grinding ⇒ Photo 2 ● After finishing processing ⇒ Photo 3 【Processing Examples】 Dimension restoration of various electronic shaft bearing areas with reduced thickness ● Restoration of wear on bearing areas ⇒ Photo 4 ● Restoration of wear on bearing and coupling areas ⇒ Photo 5, ⇒ Photo 6 【Processing Examples】 Dimension restoration of various construction reduced thickness areas ● Various shafts: Restoration of wear on oil seal and bush areas ⇒ Photo 7 ● Flange ⇒ Photo 8 ● Taper sealing rod: Restoration of wear on oil seal area ⇒ Photo 9 【Cross-sectional Structure of Thermal Sprayed Coating】 ● Cross-sectional structure of thermal sprayed coating ⇒ Photo 10

• Processing Contract
• Calibration and repair
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This is an introduction to the "Dimensional Restoration of Inner Diameter Wear Parts" by Kōei Techno System, which focuses on the repair, regeneration, prolongation, and maintenance of parts, aiming for high-quality parts and advanced machinery through wear resistance, heat resistance, and corrosion prevention, similar to preventive healthcare. Regenerated parts can reduce CO2 emissions compared to manufacturing new parts, making them suitable for environmental conservation. Our main techniques include thermal spraying, welding, and machining. 【Dimensional Restoration of Inner Diameter】 ● Dimensional Reduction ⇒ Photo 1 ● Build-up Thermal Spraying (13Cr Stainless Steel) ⇒ Photo 2 ● After Finishing Processing ⇒ Photo 3 【Processing Examples】 ● Various air conditioning unit blower bearing, motor, and charging generator bearing parts ⇒ Photo 4, Photo 5 Dimensional restoration of various bearing parts with reduced dimensions ● Wear restoration of bearing fitting parts ⇒ Photo 6, Photo 7 【Hardness Comparison Data】 - FC/AL Base Material (FC250): 61.8 or lower - 13Cr Stainless Steel (SUS420J2): 67.7 (Average) ● HRA Hardness Comparison ⇒ Photo 8

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• Calibration and repair
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Recycled parts can reduce CO2 emissions compared to manufacturing new parts and are suitable for environmental conservation. We possess technologies such as thermal spraying, welding, and machining as our main methods. 【Restoration of Inner Diameter Wear】 Restoration of dimensions for various bearing parts ● Restoration of bearing fit wear ⇒ Photo 1 【Restoration of Outer Diameter Wear】 Restoration of dimensions for oil seals and bearing parts ● Restoration of wear for bearings, coupling parts, and key grooves ⇒ Photo 2 【Restoration of Sliding Wear】 Restoration of dimensions for sliding wear parts such as compressors ● Before and after processing ⇒ Photo 3 【Recycling and Repair of Motor Shafts/Covers/Camshafts】 ● Cutting processing of motor shafts ⇒ Photo 4 ● Thermal spray repair of blower motor brackets ⇒ Photo 5 ● Build-up restoration processing of camshafts ⇒ Photo 6 【Recycling and Repair of Diesel Engines】 Repair of cylinder heads ● Welding for restoration of cracks in engine parts ⇒ Photo 8 Repair of cylinder blocks ● Welding for restoration of damage ⇒ Photo 7 【Restoration and Repair of SL】 ● Restoration and repair of SL ⇒ Photo 9, Photo 10

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• Calibration and repair
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This is an introduction to the "Camshaft Restoration and Repair" by Kōei Techno System, which focuses on the repair, regeneration, prolongation, and maintenance of parts, aiming for high-quality parts and advanced machinery through research and development, similar to preventive medicine, with enhancements in wear resistance, heat resistance, and corrosion resistance. Founded in 1946, we have a history of about 70 years and were among the first in the internal combustion engine industry to introduce welding and thermal spraying technologies, primarily engaging in the repair (restoration) of engine components. We also conduct restoration and repair related to railways. 【Camshaft Build-Up Restoration Processing】 ● Build-Up Processing ⇒ Photo 1 ● Grinding Processing ⇒ Photo 2 ● Completion of Processing ⇒ Photo 3 ● Cross-Section Model After Processing ⇒ Photo 4

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• Calibration and repair
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【Inner Wall of Crushing Device】 WC/12Co applied, improved wear resistance ● Wear-resistant thermal spraying on the inner wall of the crushing device ⇒ Photo 1 【Feeding Screw and Conveying Screw】 WC/12Co applied, improved wear resistance ● Wear-resistant thermal spraying on the feeding screw and conveying screw ⇒ Photo 2, Photo 3 【Internal Parts of Powder Classification Device】 Ceramic and WC/12Co applied, improved wear resistance ● Wear-resistant thermal spraying on the internal parts of the powder classification device ⇒ Photo 4 【Parts of Powder Classifier】 Ceramic applied, improved corrosion and wear resistance ● Corrosion and wear-resistant thermal spraying on the parts of the powder classifier ⇒ Photo 5, Photo 6 【Pump Parts】 WC/10Co4Cr, WC/CrNi, or WC/20CrC7Ni applied ● Corrosion and wear-resistant thermal spraying on pump parts ⇒ Photo 7, Photo 8 【Other Application Examples】 WC/CrNi, WC/Hastelloy, WC/20CrC7Ni, etc. ● Corrosion and wear-resistant thermal spraying on the surface of drying devices ● Wall of crushing device HVOF thermal sprayed and processed ⇒ Photo 9 ● Screen: WC-Co HVOF thermal sprayed, stirring blade: Magcoat thermal sprayed ⇒ Photo 10

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• Calibration and repair
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This is an introduction to Kōei Techno System's "Various Welding Processes," which focuses on the repair, regeneration, prolongation, and maintenance of parts, aiming for high-quality parts and advanced machinery through research and development, similar to preventive medicine, with enhancements in wear resistance, heat resistance, and corrosion resistance. We primarily perform hardfacing using arc, gas, and TIG welding on areas subject to severe wear. We also carry out repairs through welding on technically challenging engine parts (castings). 【Various Welding (by Material)】 ■ Stellite Hardfacing Welding ⇒ Photo 1, Photo 2 ■ Bronze Hardfacing Welding ⇒ Photo 3, Photo 4 ■ Aluminum Hardfacing Welding ⇒ Photo 5, Photo 6 【Wear-Resistant Hardfacing Welding】 ■ Rotor Outer Circumference Wear-Resistant Hardfacing Welding ⇒ Photo 7, Photo 8 ■ Extrusion Screw Outer Circumference Wear-Resistant Hardfacing Welding ⇒ Photo 9, Photo 10 *For further details, please download the catalog or contact us.

• Processing Contract
• Calibration and repair
• Other contract services

This is an introduction to the application of Kōei Techno System Co., Ltd., which focuses on the repair, regeneration, prolongation, and maintenance of parts, aiming for high-quality parts and advanced machinery through research and development, similar to preventive medicine, with objectives such as wear resistance, heat resistance, and corrosion prevention. The improvements in wear resistance, heat resistance, thermal insulation, corrosion resistance, and oxidation resistance are applied in industries such as automotive, aerospace, electrical, cement, chemical, metal, and power industries. ■ Screen: WC-Co HVOF thermal spraying ⇒ Photo 1 ■ Agitator blade: Magcoat thermal spraying ⇒ Photo 2 ■ Shaft sleeve: Cr2O3 rod-type frame thermal spraying and polishing ⇒ Photo 3 ■ Various application examples: Application examples aimed at improving wear resistance, heat resistance, thermal insulation, corrosion resistance, and oxidation resistance ⇒ Photo 4 *For more details, please download the catalog or contact us.

• Processing Contract
• Calibration and repair
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This is an introduction to the "Quality Evaluation and Research Development Services" by Kōei Techno System Co., which focuses on the repair, regeneration, extension of life, and maintenance of parts. We are committed to enhancing the quality of parts, improving wear resistance, heat resistance, and corrosion resistance, similar to preventive medicine, and conducting research and development aimed at advancing machinery. We are constantly striving to evaluate the quality of thermal spray coatings through organizational observation, hardness testing, and wear testing. Additionally, we are engaged in research and development of surface treatments centered around thermal spraying. ■ Vickers Hardness Tester ⇒ Photo 1 ■ Rockwell Hardness Tester ⇒ Photo 2 ■ Metal Microscope ⇒ Photo 2 ■ WC-based Hard Coating (WC12%Co) at 200x ⇒ Photo 4 【Hardness Testing Comparison Data】 ■ Hardness Comparison Table ⇒ Photo 5 ■ Hardness Test Results ⇒ Photo 6 【Classification of Thermal Spray Materials by Purpose】 Materials are listed by purpose, including corrosion resistance, heat resistance, and wear resistance, categorized into metals and non-metals. ■ Purpose Classification Table ⇒ Photo 7 *For more details, please download the catalog or contact us.

• Processing Contract
• Calibration and repair
• Other contract services

This is an introduction to Kōei Techno System Co., Ltd., which conducts research and development aimed at enhancing the quality of parts, improving wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine, with a focus on the repair, regeneration, extension of life, and maintenance of components. Founded in 1946, we have a history of approximately 70 years and have introduced welding and thermal spraying technologies early on in the internal combustion engine industry, primarily focusing on the repair (restoration) of engine components. 【Engine Component Crack Restoration Welding】 ■ Engine Component Crack Restoration Welding ⇒ Photo 1, Photo 2 【Counterbore Correction】 ■ Counterbore Correction ⇒ Photo 3 【Damage Restoration Welding】 ■ Damage Restoration Welding ⇒ Photo 4, Photo 5 *For more details, please download the catalog or contact us.

• Processing Contract
• Calibration and repair
• Other contract services

This is an introduction to Kōei Techno System's "Regeneration and Repair of Screws," which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high quality, wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine, through advanced research and development of machinery. 【High-Speed Frame Thermal Spraying (HVOF Spraying)】 This is a type of gas thermal spraying that uses a super high-speed jet stream generated by combustion with high-pressure oxygen. Because the material collides with the substrate at high speed, it forms a coating with very high adhesion and density, resulting in high-quality films. It is suitable for spraying cermets such as WC-Co, yielding high-hardness wear-resistant coatings. We perform restoration and repair related to industrial machinery. ■ Spraying on Screws ⇒ Photo 1 *For more details, please download the catalog or contact us.

• Processing Contract
• Calibration and repair
• Other contract services

This is an introduction to the repair and regeneration of brackets by Kōei Techno System Co., Ltd., which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high-quality parts, wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine, through advanced research and development of machinery. Founded in 1946, the company has a history of about 70 years and was one of the first in the internal combustion engine industry to introduce welding and thermal spraying technology, primarily engaged in the repair (restoration) of engine parts. We also perform restoration and repair related to railways. 【Blower Motor Bracket Thermal Spray Repair】 ● Blower Motor Bracket Thermal Spray Repair ⇒ Photo 1 *For more details, please download the catalog or contact us.

• Processing Contract
• Calibration and repair
• Other contract services

This is an introduction to Kōei Techno System's "Regeneration and Repair of Motor Shafts," which focuses on the repair, regeneration, extension of life, and maintenance of parts. The company is committed to high-quality parts, wear resistance, heat resistance, and corrosion prevention, aiming for advanced machinery through research and development similar to preventive healthcare. Using lathes, horizontal boring and milling machines, milling machines, cylindrical grinding machines, crankshaft grinding machines, internal diameter grinding machines, and surface grinding machines, we perform cutting and grinding processes on various materials, including thermal spray coatings, steel components, and plated coatings. We carry out regeneration and repair related to railways and other fields. 【Motor Shaft Outer Diameter Cutting Processing】 We can process materials such as metal, wood, and plastic into desired dimensions and shapes using lathes, milling machines, and horizontal boring and milling machines. ■ Motor Shaft Outer Diameter Cutting Processing ⇒ Photo 1 *For more details, please download the catalog or contact us.

• Processing Contract
• Calibration and repair
• Other contract services

This is an introduction to Kōei Techno System's "Reconstruction and Repair of Diesel Engines," focusing on the repair, regeneration, extension of life, and maintenance of parts, with an emphasis on high quality, wear resistance, heat resistance, and anti-corrosion, similar to preventive medicine, aimed at advancing machinery through research and development. Founded in 1946, we have a history of approximately 70 years and have introduced welding and thermal spraying technologies early on in the internal combustion engine industry, primarily focusing on the repair (restoration) of engine parts. We conduct regeneration and repair for railways, buses, industrial machinery, and more. **Cylinder Head Repair** We perform crack welding, corrosion welding, valve guide installation, seat ring replacement, surface grinding, hydraulic testing, and seat grinding. **Cylinder Head Repair ⇒ Photos 1 to 5** **Cylinder Block Repair** We carry out line boring, oversize boring, surface grinding, crack welding, corrosion welding, and anti-corrosion treatment coating for water jacket areas. **Cylinder Block Repair ⇒ Photos 6 to 10** *For more details, please download the catalog or contact us.*

• Processing Contract
• Calibration and repair
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This is an introduction to Kōei Techno System's "Repair of Bearing Parts," which focuses on the repair, regeneration, extension of life, and maintenance of components, aiming for high-quality parts, wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine, through advanced research and development of machinery. Using lathes, horizontal boring mills, milling machines, cylindrical grinding machines, crankshaft grinding machines, internal grinding machines, and surface grinding machines, we perform cutting and grinding processes on various materials, including thermal spray coatings, steel components, and plated coatings. We also engage in regeneration and repair related to shipbuilding. 【Outer Diameter Grinding of Rudder Shaft Bearing Parts】 ■ Outer Diameter Grinding of Rudder Shaft Bearing Parts ⇒ Photo 1 *For more details, please download the catalog or contact us.

• Processing Contract
• Calibration and repair
• Other contract services

This is an introduction to the repair and regeneration of rolls by Kōei Techno System Co., Ltd., which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high-quality parts and advanced machinery through research and development in areas such as wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine. We perform regeneration and repair related to the paper industry and others. 【Self-fusing alloy thermal spraying on rolls (powder-type flame spraying)】 Powdered thermal spraying material is introduced into an oxygen-acetylene (or hydrogen, propane) flame, where it is melted and simultaneously accelerated by the combustion gas flow, causing the molten powder to collide with the substrate and form a film. Almost all metals, alloys, and cermets can be thermally sprayed, but generally, self-fusing alloy thermal spraying, abradable thermal spraying such as nickel-graphite, and plastic thermal spraying are widely used after re-melting treatment. The thermal spray gun is lightweight and easy to handle, has relatively high spraying efficiency, and produces low noise. ■ Self-fusing alloy thermal spraying on rolls ⇒ Photo 1 ■ Re-melting treatment of rolls ⇒ Photo 2 *For more details, please download the catalog or contact us.

• Processing Contract
• Calibration and repair
• Other contract services

This is an introduction to Kōei Techno System's "Restoration and Repair of Steam Locomotives," which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high quality, wear resistance, heat resistance, and anti-corrosion in machinery, similar to preventive medicine. Founded in 1946, we have a history of about 70 years and have introduced welding and thermal spraying technology early on in the internal combustion engine industry, primarily focusing on the repair (restoration) of engine parts. **Restoration and Repair of Steam Locomotives** We perform restoration and repair related to railways. In the restoration and repair of steam locomotives, we have manufactured items without blueprints through actual measurement. ■ Overall view of SL restoration and repair ⇒ Photo 1 ■ [Flange] Corrosion and wear part build-up welding processing ⇒ Photo 2 ■ [Piston] New casting production ⇒ Photo 3 ■ [Crosshead] New production ⇒ Photo 4 ■ [Rod] New creation ⇒ Photo 5 - [Heating pipe gathering] Corrosion part build-up welding processing - [Running gear parts] Wear part build-up welding processing - [Axle bearings] White metal build-up - [Firebox] Opening and closing hinge part damage welding processing - [Bracket (FC)] Breakage welding processing - [Coupling part] Wear part build-up processing *For more details, please download the catalog or contact us.*

• Processing Contract
• Calibration and repair
• Other contract services

This is an introduction to the "Other Repairs" offered by Kōei Techno System, which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high-quality parts and advanced machinery through research and development, similar to preventive medicine, with goals such as wear resistance, heat resistance, and corrosion prevention. Founded in 1946, we have a history of about 70 years and have introduced welding and thermal spraying technology early on in the internal combustion engine industry, primarily focusing on the repair (restoration) of engine parts. 【Regeneration of Various Equipment Parts】 ■ Manufacturing, sales, and repair of high-pressure pumps ■ Manufacturing and repair of hydraulic equipment ■ Repair and fabrication of various manufacturing machinery (including machinery for steelmaking, papermaking, food processing, crushed stone, chemical products, petroleum refining, civil engineering, etc.) ■ Repair of machinery for energy plants (such as hydro and nuclear power plants) ■ Machinery for water treatment and industrial waste treatment plants, including water treatment, sewage treatment, and waste processing plants ■ Fabrication and repair of conveying machinery ■ Fabrication and repair of labor-saving and energy-saving machinery ■ Design, construction, and repair of crushing plants ■ Restoration and repair processing of seawater pumps (Other Repairs) ⇒ Photos 1 to 4 *For more details, please download the catalog or contact us.

• Processing Contract
• Engine parts
• Calibration and repair

This is an introduction to the repair of crankshafts by Kōei Techno System, which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high quality, wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine, through advanced research and development of machinery. Founded in 1946, we have a history of about 70 years and have introduced welding and thermal spraying technology early on in the internal combustion engine industry, primarily focusing on the repair (restoration) of engine parts. **Crankshaft Repair** We conduct bending inspections, crack inspections, buildup regeneration processing, oil seal area corrections, lapping polishing, and grinding processing. ■ Grinding using a crankshaft grinding machine ⇒ Photo 1 *For more details, please download the catalog or contact us.*

• Processing Contract
• Engine parts
• Calibration and repair

This is an introduction to the repair of cylinder blocks by Kōei Techno System, which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high-quality parts and advanced machinery through research and development in areas such as wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine. Founded in 1946, we have a history of about 70 years and have introduced welding and thermal spraying technologies early on in the internal combustion engine industry, primarily focusing on the repair (restoration) of engine parts. **Repair of Cylinder Blocks** We perform line boring, OS boring, surface grinding, crack welding, corrosion welding, and anti-corrosion treatment coating for water jacket areas. ■ Line Boring Machine ⇒ Photo 1 ■ Anti-Corrosion Coating Construction Correction for Water Jacket Area ⇒ Photo 2 ■ Counterbore Correction ⇒ Photo 3 ■ Damage Restoration Welding ⇒ Photo 4, Photo 5 *For more details, please download the catalog or contact us.*

• Processing Contract
• Engine parts
• Calibration and repair

This is an introduction to the repair of cylinder heads by Kōei Techno System, which conducts research and development aimed at enhancing the quality of parts, improving wear resistance, heat resistance, and corrosion resistance, similar to preventive medicine, with a focus on the repair, regeneration, extension of life, and maintenance of components. Founded in 1946, we have a history of approximately 70 years and have introduced welding and thermal spraying technologies early on in the internal combustion engine industry, primarily focusing on the repair (restoration) of engine parts. **Cylinder Head Repair** We perform crack welding, corrosion welding, valve guide replacement, seat ring replacement, surface grinding, and hydraulic testing. - Valve seat cutting machine ⇒ Photo 1 - Valve seat cutting finish ⇒ Photo 2 - Restoration and repair processing of cylinder heads ⇒ Photo 3, Photo 4 Repair details: chamber replacement, valve guide replacement, crack thermal spraying, hydraulic testing, surface grinding, and seat ring manufacturing. - Engine parts crack restoration welding ⇒ Photo 5, Photo 6 *For more details, please download the catalog or contact us.*

• Processing Contract
• Engine parts
• Calibration and repair

This is an introduction to the crankshaft grinding machine (grinding processing) from Kōei Techno System, which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high-quality parts and advanced machinery through research and development in areas such as wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine. Using lathes, horizontal boring mills, milling machines, cylindrical grinding machines, crankshaft grinding, internal diameter grinding machines, surface grinding machines, etc., we perform cutting and grinding processing of various materials, including thermal spray coatings, steel components, and plated coatings. 【Crankshaft Grinding Machine (Grinding Processing)】 Repair of crankshafts ■ Crankshaft grinding ⇒ Photo 1 ■ Crankshaft grinding schematic ⇒ Photo 2 ■ Crankshaft grinding machine capability table ⇒ Photo 3 *For more details, please download the catalog or contact us.

• Processing Contract
• Grinding Machine

This is an introduction to Kōei Techno System's "Cylindrical Grinding Machine (Grinding Processing)," which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high quality, wear resistance, heat resistance, and anti-corrosion through advanced machine development, similar to preventive healthcare. Using lathes, horizontal boring and milling machines, milling machines, cylindrical grinding machines, crankshaft grinding, internal grinding machines, and surface grinding machines, we perform cutting and grinding processing of various materials, including thermal spray coatings, steel components, and plated coatings. 【Cylindrical Grinding Machine (Grinding Processing)】 Cylindrical grinding of blower shafts, screw shafts, and plungers ■ Blower shaft grinding ⇒ Photo 1 ■ Screw shaft grinding ⇒ Photo 2 ■ Plunger shaft grinding ⇒ Photo 3 ■ Cylindrical grinding schematic ⇒ Photo 4 ■ Cylindrical grinding machine capability table ⇒ Photo 5 *For more details, please download the catalog or contact us.

• Processing Contract
• Grinding Machine

This is an introduction to Kōei Techno System's "Milling Machines and Horizontal Boring Milling Machines (Cutting Processing)," which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high-quality parts, wear resistance, heat resistance, and anti-corrosion, similar to preventive medicine, through advanced research and development of machinery. Using lathes, horizontal boring milling machines, milling machines, cylindrical grinding machines, crankshaft grinding, internal grinding machines, and surface grinding machines, we perform cutting and grinding processing of various materials, including thermal spray coatings, steel components, and plated coatings. 【Milling Machines and Horizontal Boring Milling Machines (Cutting Processing)】 We can process materials such as metal, wood, and plastic into desired dimensions and shapes using lathes, milling machines, and horizontal boring milling machines. Cutting of gear reducers, plungers, cylinder blocks, and cylinder heads: ■ Axle bearing section ⇒ Photo 1, Photo 2 ■ Gear reducer ⇒ Photo 3, Photo 4 ■ Transmission ⇒ Photo 5 *For more details, please download the catalog or contact us.

• Processing Contract
• Milling machine

This is an introduction to Kōei Techno System's "Arc Spraying," which focuses on the repair, regeneration, prolongation, and maintenance of parts, aiming for high-quality parts and advanced machinery through research and development in areas such as wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine. Arc spraying is a type of electric spraying that generates an arc discharge between two metal wires, using the discharge energy to melt the wires. The wires are fed in accordance with the melting speed, and compressed air is used to atomize the molten metal, which is then continuously sprayed onto the substrate to form a coating. Compared to frame spraying methods, arc spraying has a greater spraying capacity, and because the spraying materials are sufficiently melted at high temperatures, they exhibit excellent adhesion to the substrate. The power supply for the arc spraying device can be alternating current, but direct current is used for stability of the arc, and since the wire acts as an electrode, the spraying materials are limited to electrically conductive materials. ● Corrosion-resistant spraying on roll periphery ⇒ Photo *For more details, please download the catalog or contact us.

• Welding Machine
• Processing Contract
• Surface treatment contract service

This is an introduction to Kōei Techno System's "High-Speed Frame Thermal Spraying (HVOF Spraying)," which focuses on the repair, regeneration, prolongation, and maintenance of parts, aiming for high quality, wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine, through advanced research and development of machinery. It is a type of gas thermal spraying that uses a super high-speed jet stream generated by combustion with high-pressure oxygen. Since the material collides with the substrate at high speed, it forms a coating with very high adhesion and density, resulting in a high-quality film. It is suitable for thermal spraying of cermets such as WC-Co, yielding a high-hardness wear-resistant coating. ● Thermal spraying on screws ⇒ Photo 1 ● Thermal spraying on casing inner diameters ⇒ Photo 2 *For more details, please download the catalog or contact us.

• Welding Machine
• Processing Contract
• Surface treatment contract service

This is an introduction to Kōei Techno System's "Plasma Spraying," which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high quality, wear resistance, heat resistance, and anti-corrosion of components, similar to preventive medicine, through advanced research and development of machinery. The plasma flame generated by the ionization of inert gas serves as the heat source. With ultra-high temperature and high-speed frames, it forms high-density, high-quality coatings on not only metals but also high melting point materials such as cermets and ceramics. Since the temperature of the plasma jet can be selected, there is great freedom in material selection, and it features high adhesion between the substrate and the sprayed coating. ● Spraying onto sleeves ⇒ Photo 1 ● Spraying onto the oil seal area of screw shafts ⇒ Photo 2 ● Spraying onto the gland packing of flanged sleeves ⇒ Photo 3 *For more details, please download the catalog or contact us.

• Welding Machine
• Processing Contract
• Surface treatment contract service

This is an introduction to Kōei Techno System's "Powder Flame Spraying," which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high-quality parts, wear resistance, heat resistance, and corrosion prevention, similar to preventive medicine, through advanced research and development of machinery. In this process, powder-like spraying materials are introduced into an oxygen-acetylene (or hydrogen, propane) flame, where they are melted and simultaneously accelerated by the combustion gas flow, causing the molten powder to collide with the substrate and form a coating. Almost all metals, alloys, and cermets can be sprayed, but it is commonly used for self-fusing alloy spraying, abradable spraying such as nickel-graphite, or plastic spraying, which typically undergo post-spraying re-melting treatment. The spraying gun is lightweight and easy to handle, has relatively high spraying efficiency, and produces low noise. ● Self-fusing alloy spraying on rolls ⇒ Photo 1 ● Re-melting treatment of rolls ⇒ Photo 2 *For more details, please download the catalog or contact us.

• Welding Machine
• Processing Contract
• Surface treatment contract service

This is an introduction to Kōei Techno System's "Rod-Type Frame Thermal Spraying (Locaid)," which focuses on the repair, regeneration, extension of life, and maintenance of parts, aiming for high-quality parts, wear resistance, heat resistance, and anti-corrosion, similar to preventive medicine, through advanced research and development of machinery. Although it is a type of frame thermal spraying, it continuously supplies rod-shaped oxide ceramics processed to a diameter of 4.7 to 6.0 mm into an oxygen-acetylene flame for melting, followed by atomization and projection using compressed air to form a coating. Oxide ceramics such as aluminum oxide, zirconium oxide, and chromium oxide are sprayed. Since only fully melted materials are sprayed, the thermal spray coating does not contain unmelted particles, resulting in a high bonding strength between particles, which leads to a relatively tough coating. ● Thermal spraying on pump sleeves ⇒ Photo 1 *For more details, please download the catalog or contact us.

• Welding Machine
• Processing Contract
• Surface treatment contract service