Sintered Metal Oil Pump Impeller
The sintered metal oil pump impeller is the core component of the oil pump made by powder metallurgy sintering process. By pressing and forming metal powder and then sintering it at high temperature, atomic bonding between metal particles is achieved, ultimately forming a high-strength and high-precision impeller structure. Compared with traditional casting and cutting impellers, it has advantages such as high material utilization, stable dimensional accuracy, and uniform internal structure, and is widely used in fields such as automotive engines, engineering machinery, and hydraulic systems.
- Product Introduction
product Details
|
Commodity |
Factory customized high precision strong wear resistance sintered metal oil pump impeller |
| Material | Iron-based alloys, stainless steel, copper alloys |
| Diameter | 20mm - 200mm |
| Blade Count | 3 - 12 blades |
| Density | 6.0 - 7.8 g/cm³ |
| Hardness | HB 150 - HB 350 |
| MOQ | 2,000 pcs |
Manufacturing Process
We offer fully customized solutions to meet your unique requirements:
• Custom blade geometries and impeller designs
• Material formulation tailored to specific fluid types and operating conditions
• Precision machining and finishing options for tight tolerance applications
• Prototype development and small-batch production services
Core advantages of sintered metal oil pump impeller
1. Excellent mechanical performance
The sintering process allows metal particles to tightly bond at high temperatures, and the tensile strength of the impeller can reach 400-600MPa. At the same time, it has excellent wear resistance and corrosion resistance, and can operate stably for a long time in high-pressure and high flow rate oil environments. Its service life is increased by more than 30% compared to cast impellers.
2. Ultimate dimensional accuracy
Through the production method of mold pressing and sintering shaping, the dimensional tolerance of the impeller can be controlled within ± 0.02mm, which can meet the assembly requirements of the oil pump without the need for subsequent cutting processing, greatly reducing production cycle and cost, especially suitable for mass production.
3. Customized material formula
The composition of metal powder can be adjusted according to different application scenarios, such as adding elements such as copper, nickel, graphite, etc., to create impellers with special properties:
• Adding graphite: enhances self-lubricating properties, suitable for hydraulic systems with no oil lubrication or low oil lubrication .
• Adding nickel element: enhances high-temperature stability and adapts to engine high-temperature conditions .
Typical application scenarios of sintered metal oil pump impeller
Automotive engine field As the core component of the engine oil pump, sintered metal impellers can accurately control the oil pressure and provide continuous lubrication for engine crankshafts, camshafts, and other components. They have become the original matching choice for mainstream car companies such as Volkswagen and Toyota.
Hydraulic system of construction machinery In the hydraulic oil pump of excavators and loaders, it can adapt to extreme temperature environments ranging from -40 ℃ to 120 ℃, ensuring stable delivery of hydraulic oil and improving equipment reliability and operational efficiency.
Industrial pump manufacturing In industrial equipment such as chemical pumps and oil pumps, corrosion-resistant sintered metal impellers can transport special media such as acids, bases, and organic solvents, avoiding the problem of traditional impellers being corroded and ineffective.
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