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Powder Metallurgical Technology has been extensively used to produce automotive parts with high accuracy and high productivity. It enables us to make higher quality products with lower cost than any other manufacturing method. Our products are adopted in a wide variety of units such as engines, transmissions, steerings, shock absorbers, sensors, electric seat adjusters, ignition coils and wiper bearings.
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By using some of the outstanding characteristics of Powder Metallurgical Technology, we produce Composite Materials such as brake linings for trains, contact strips for current collectors and sealing materials, with high friction resistance and superior sliding characteristics.
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Our products are available for a wide range of fields, even for copying machines and cameras with fine and thin shapes in the structure. Among these applications, we can produce multistage gears and other fine structured parts by making full use of characteristics of the raw materials.
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Sliding products are composite materials with powder metallurgical characteristics.
They are one of our specialties.
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Engine Parts
Valve Seats and Valve Guides are our core products for engines. These parts require heat resistance, wear resistance and corrosion resistance. Since the requirements for Valve Seats have become more and more demanding, we have surpassed those requirements by developing new materials. To meet the requirements for high strength, high stiffness, high wear resistance and high heat resistance, Titanium Valves have been developed using a sintering process, because it is impossible for conventional metal making process to have the special chemical composition necessary to meet such requirements.
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Shock Absorber Parts
Pistons, valve cases and rod guides are key component parts for Shock Absorbers for four wheeled and two wheeled vehicles. We have developed special materials for pistons and achieved a dramatically high degree of precision in seat surface. Also, we have realized low friction pistons banded by plastic strips. These components contribute to the stability of damping force and give good drivability for drivers.
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Synchronizer Ring
Synchronizer rings were the very first product in the world manufactured using sintered metals, which integrates two layers of newly developed materials, sintered hardening material and sintered frictional material. Tensile strength of sintered hardening material is more than 900 Mpa without heat treatment. Sintered frictional material was exclusively developed for synchronizer rings in combination with sintered hardening material.
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We have developed high strength products by improving the density of materials and employing heat treatment and surface hardening.
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Powder metallurgy technology has a big advantage over manufactured products with complex shapes that can be attained at a lower cost than other conventional methods. For that reason, we applied this technology to manufacture soft magnetic products, which require complex shapes to obtain good magnetic properties.
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The banded piston and plastic composite gear shown in the photo on the right are typical plastic composite products produced to maximize function.
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Sintered stainless steel is primarily utilized in manufacturing turbo chargers. Stainless steel has a big advantage for heat resistance. On the other hand, its machinability is relatively poor. Sintered stainless steel is a solution that overcomes this problem with it's near net shape production method.
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These products are best suited for corrosive conditions, such as high temperatures and high humidity.
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Taking advantage of the porous nature of sintered metals, oil impregnated material is used for bearing parts because of its self-lubricating characteristics. Also, by mixing self-lubricating material with powder metal, we can make dry bearing parts.
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The development of the Plural Faces Compacting die set and introduction of CNC press machines enabled us to manufacture complex shaped products as shown in the picture at left.
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Powder metal is free to mix any component such as aluminum and titanium to make good performance for frictional sliding and tensile strength.
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In this category, we have brake lining materials for trains and clutch materials for automobiles and industrial machinery. These products show excellent performance for wear resistance, heat resistance and heat conductivity.
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These products are used for pantograph contact strips and show low electrical resistance and low frictional resistance, resulting in low power loss.
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To meet various requirements from customers, we have ferrous-alloy, copper-alloy, stainless-alloy and other metals for industrial machinery parts.
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