JPMA Award-winning product from last several decades
Search is available for JPMA Award-winning product from last several decades
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Grand Prix
2024
Development of Soft Magnetic Composite Cores with Double Pole Shoes to Enhance the Performance of Axial Flux Motors.
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- The product was highly appreciated for breaking conventional compaction design by changing the compaction direction to achieve a complex thin-walled shape, as well as for its advanced compaction technology and the significant improvement in motor performance. It was also highly appreciated for halving manufacturing costs, establishing marketability, and SMC’s first adoption in Japan for a home appliance, which provides a foothold for the future penetration of SMC cores.
The product's adoption in home appliances which make up a large proportion of the motor market, is expected to lead to further market expansion of the PM industry.
2019
Sintering of disconnect parts
- FINE SINTER CO., LTD.
- TOYOTA MOTOR CORPORATION
- Compaction of ratchet shape with large steps and shape with thin and tall wall was enabled by the improvement of raw material powder and the structure of the compaction tools. The heat treatment ensuring the demanded performance of the waved ball groove was realized by introduction of a laser quenching. Realization of components with highly complex and difficult configuration was highly rated. Conventional PM methods did not accomplish such shapes, but this development in mass production indicates the evolution of Near Net Shape PM compaction technology. Further market expansion of PM by the replacement from other competitive manufacturing processes.
2009
Development of high density and low loss powder magnetic core (HDMC) for reactor in hybrid vehicles
- TOYOTA MOTOR CORPORATION
- Daido Steel Co., Ltd.
- TOYOTA CENTRAL R&D LABS., INS.
- The fulfillment of high magnetic properties by using overall and new technology like special powder shape and new coating technology, the real contribution to new trend pro-environment car and the expectation of wide range of development in future were evaluated.
2004
Development of high-strength Fe-Cu-C sintered steel
- DIAMET CORPORATION
- (Mitsubishi Materials Corporation)
- It was highly appraised that they developed material having the same high-strength as diffusion alloyed powder material by focusing attention to the wettability of copper and iron and adding microelement to Fe-Cu-C material, which is most popular sintered material.
New Design
2024
Sintered bushings that realize high performance electric solenoid valves
- DIAMET CORPORATION
- The product was evaluated for its novelty as a bearing having soft magnetic property. The product was also highly evaluated for its contribution to the PM industry, as balancing sliding properties along with magnetic properties, and as optimizing the shape suited to powder metallurgy after repeated design-in with the customer, and as replacing a component made of ingot materials to of the powder metallurgy material.
As a component with potential for further application, it is expected to expand in the future.
Vane Pump Side Plate Development with Molded Body Processing
- FINE SINTER CO., LTD.
- The points appreciated are the fact that green machining of fine grooves is an extremely difficult technology, and that the ingenuity shown in optimizing the machining conditions. In addition, the green machining is recognized as one of the technologies that could potentially be important for the development of the PM industry, and for its potential to expand the scope of application of PM.
The green machining is expected to be applied to a variety of PM parts in the future.
2023
Practical Application of High Frequency & High Strength Reactor Core
- FINE SINTER CO., LTD.
- Daido Steel Co., Ltd.
- The product was highly appreciated for its ability to reduce the product size by approximately 30% and the unit volume by 13% by developing a new material that overcomes conventional issues and significantly improving its properties. The product was also highly evaluated for its efforts to reduce product cost by approximately 30% through keeping improvement throughout the manufacturing process. This product is expected to be used more widely in electric systems, which are expected to continue to increase in the future.
Development of high-precision parts for new mechanism semi-active suspension
- FINE SINTER CO., LTD.
- Using advanced technology, the complex and high precision assembled parts that are difficult to achieve with competing manufacturing methods, were highly evaluated for meeting strict functional requirements and keeping cost control. This product is expected to continue to be in demand even as the electrification of vehicles progresses, and the technology is expected to be applied to similar parts.
Oil-impregnated bearing unit for CPAP equipment that achieves low sliding loss at high speeds
- Porite Corporation
- The product was highly appreciated for meeting user requests by integrating various technologies as well as the sintered seal cap: the medium relief shape, dimples, optimizing choice of material and impregnated oil. In addition, the market is expected to expand in the future as it has been adopted in new equipment in the medical industry and is a technology that contributes highly to society.
Development of Long/complex Shape Rotor and Slide for Variable Displacement Vane Pumps
- SUMITOMO ELECTRIC INDUSTRIES, LTD.
- The development of a new technology that double-shrink-fits the side core with high stress concentration into the die, the realization of a long/complex shaped product with high precision, and the use of multiple reference points in compaction tool design, are recognized as creative breakthrough for solving the problems. This development is expected to expand capability of PM in the precision of large and long items.