DIAMET CORPORATION Product Lineup

In the design of mechanical parts, there are challenges such as "wanting to mass-produce complex shapes with high precision" and "wanting to reduce machining while ensuring strength." As the shape becomes more complex, the number of processing steps increases, making it difficult to balance cost and productivity. Daimet's sintered mechanical parts combine technologies such as multi-stage forming, high-precision molds, and high-density manufacturing to propose parts that meet the required characteristics. ■ Complex Shapes and High Precision ▼ Responding to complex shapes with multi-stage forming technology ▼ Supporting reduction of machining through shape impartation with high-precision molds ▼ Addressing high strength through high-density manufacturing ■ Product Lineup ▼ Components of variable valve timing mechanisms ▼ Sprockets for roller chains and silent chains ▼ Machining-free pulleys ▼ IPR oil pump rotors with high discharge efficiency, low friction, and low noise ■ Design Proposals ▼ Proposing IPR tooth profiles and port shapes according to requirements This can be utilized for cost reduction considerations of mechanical parts that require complex shapes, high precision, and high strength. Documents summarizing examples of sintered mechanical parts, forming technologies, and design proposals, as well as more detailed benefits of reducing machining and achieving high precision, can be downloaded from the link below.

In machine parts that require high strength, there are challenges such as "wanting to increase strength while keeping material costs down" and "wanting to review part costs while ensuring wear resistance and load-bearing capacity." In conventional Ni (nickel) alloy materials, even if the required strength is met, material costs can be an issue. DIA-MET's Fe-Cu-C series high-density, high-strength sintered materials enhance strength through increased density and can be used as an alternative to Ni alloy high-strength materials. We propose their application in machine parts such as sprockets for VVT. ■ Features of high-density materials ▼ Utilization of inertial force due to increased mass ▼ Improved wear resistance and rigidity ■ Features of high-strength materials ▼ Enhanced load-bearing capacity ▼ Improved resistance to impact and fatigue, leading to longer lifespan ■ DIA-MET's manufacturing method ▼ High density can be achieved only in necessary areas ▼ Compared to conventional Ni alloy materials, it can achieve 1.6 times higher strength and a 30% reduction in cost ▼ Materials can be proposed according to required specifications By increasing the density in necessary areas, it is possible to consider a balance between required characteristics and costs. Documents summarizing the characteristics of Fe-Cu-C series high-density, high-strength materials compared to conventional Ni alloy materials, as well as more detailed benefits from their introduction and utilization in machine parts, can be downloaded below.

Helical gears are easy to suppress torque fluctuations while maintaining low noise and low vibration, but it is necessary to impart a helical tooth shape with high precision. Balancing the desire to "reduce processing steps and control costs" with the need to "ensure required precision" is a design challenge. Daiamet utilizes dedicated mold design and molding technology to achieve near-net shaping of helical shapes. Depending on the required precision, additional processing can be combined to propose a shape that considers the balance between cost and precision. ■ Cost reduction through near-net shaping ▼ Imparting helical tooth shapes with dedicated molds and molding technology ▼ Supporting mass production of helical gears with reduced machining ■ High precision according to required specifications ▼ Responding to high-precision shape imparting through additional processing as needed ▼ Combining molding and processing based on application and required precision ■ Proposal from shape design ▼ Designing and proposing helical shapes suitable for near-net shaping ▼ Developing partial helical shapes for near-net shaping This can be utilized in gear design that aims to achieve both low noise, low vibration, and reduced mass production costs. Documents summarizing the near-net shaping and shape imparting technology for helical gears, as well as more detailed benefits from reducing processing steps and achieving high precision, can be downloaded below.

When designing components used in exhaust systems and water systems, the selection of materials becomes more challenging as the required characteristics increase, such as "the need for materials that can withstand corrosive environments" and "the desire to achieve both high strength and magnetism." It is necessary to consider the material for each application while also taking into account the costs during mass production. Daimet offers a lineup of sintered stainless steels, including austenitic, ferritic, martensitic, and precipitation-hardened types. We can suggest materials tailored to the usage environment and required characteristics. ■ Material selection based on required characteristics ▼ Outboard motors, automotive exteriors, water systems, and chemical industries requiring corrosion resistance and ductility ▼ Automotive exterior parts and ABS sensor rings requiring magnetism and corrosion resistance ▼ Exhaust parts and welded components requiring magnetism, corrosion resistance, and airtightness ▼ High-strength components requiring high strength and wear resistance ▼ Various bolts and shafts requiring corrosion resistance, high strength, and ductility You can also check reference values for density, hardness, tensile strength, Charpy impact value, elongation, thermal expansion coefficient, and corrosion resistance for each material, which can be utilized for material comparison during the design phase. Documents summarizing the characteristics and application examples of sintered stainless steels by material type, as well as more detailed benefits of material selection based on required specifications, can be downloaded from the link below.