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Customized Powder Metal Sintered Parts Powder Metallurgy for Shock Absorber Piston Rod Guide Base Valve
| Technology | Powder metallurgy |
| Material |
1).Stainless steel,Iron,Brass,Copper,Aluminum,Soft Magnetic Alloy |
| Density | 6.5~7.6 or as your request |
| Surface treatment | Customer requirement |
| Tolerance | ±0.01mm or as your request |
| Size | According to your drawing(stp,dwg,igs,pdf),or sample,provide custom service |
| Sample | Available |
| Application | Medical apparatus and instruments Hardware field Automobile industry Home appliances etc... |
With our own automatic hydraulic machines, automatic mechanical pressers, vacuum furnaces, high-precision EDM machines, CNC machine equipment, grinders etc.| Aluminum parts | Stainless Steel parts | Steel |
| Clear Anodized | Polishing | Zinc plating |
| Color Anodized | Passivating | Oxide black |
| Sandblast Anodized | Sandblasting | Nickel plating |
| Chemical Film | Laser engraving | Chrome plating |
| Brushing | Carburized | |
| Polishing | Heat treatment | |
| Chroming | Powder Coated |
1. What is Powder Metallurgy (P/M) / Sintering?
Powder Metallurgy (P/M) is a near-net-shape manufacturing process that involves compacting fine metal powders in a precision die and then heating ("sintering") them at a temperature below the melting point. This bonds the powder particles into a strong, complex, and dimensionally stable metal component.
2. What are the main advantages of P/M over machining or casting?
Material & Cost Efficiency: 97%+ material utilization, minimal waste vs. machining.
Complex Geometry: Produce intricate shapes, internal features (undercuts, blind holes), and multi-level parts in a single press.
Controlled Porosity: Can create self-lubricating parts (oil-filled bearings) or filters.
Mass Production Consistency: Excellent dimensional repeatability for high volumes.
Wide Material Choice: Ability to combine dissimilar metals (e.g., copper-infiltrated steel) that cannot be alloyed traditionally.
Good Strength & Performance: Parts have good mechanical properties and often require no secondary machining.
3. What types of sintered parts can you produce?
We manufacture a vast array of components across industries:
Gears & Sprockets (spur, helical, bevel)
Structural Parts: Bushings, bearings, flanges, hubs, levers.
Automotive Components: Oil pump gears, engine sprockets, transmission parts, shock absorber pistons.
Appliance & Power Tool Parts: Drills, gears, compressor components.
Lock Hardware & Firearm Components
Custom Engineered Parts: For medical, aerospace, and industrial machinery.
4. What metal powders and materials do you work with?
We process a wide range of ferrous and non-ferrous powders:
Ferrous (Iron-Based):
Pure Iron
Carbon Steels (with graphite addition)
Low-Alloy Steels (with Ni, Mo, Cu)
Stainless Steels (304L, 316L, 430L)
Non-Ferrous:
Copper & Copper Alloys (Brass, Bronze)
Aluminum Alloys
Special Materials:
Soft Magnetic Composites (for electromagnetic parts)
Tungsten Heavy Alloys
Custom Blends
5. What is the typical tolerance you can achieve?
As a near-net-shape process, P/M offers good "as-sintered" tolerances:
Standard Radial/Diametral Tolerances: ±0.05% to ±0.1% of the dimension (e.g., ±0.05mm on a 50mm diameter).
Closer Tolerances: Critical dimensions can be held to ±0.025mm or better through sizing, coining, or machining as a secondary operation.
Tolerance is part-specific; our engineers will advise during DFM review.
6. What density and strength levels are possible?
Properties are controlled by material, compaction pressure, and sintering:
Density Ranges:
Low (6.0-6.8 g/cm³): For filters, bearings.
Medium (6.8-7.2 g/cm³): For many structural parts.
High (7.2+ g/cm³): Achieved through double press/double sinter (DPDS) or metal infiltration, offering strength close to wrought materials.
Typical Tensile Strength: Ranges from 200 MPa (low-density iron) to over 1000 MPa (high-density heat-treated alloy steel).
7. Do you offer secondary operations?
Yes, we are a full-service P/M parts supplier offering:
Machining: Drilling, tapping, grinding.
Heat Treatment: Carburizing, carbonitriding, through-hardening, steam treating.
Surface Treatment/Coating: Plating (zinc, nickel), phosphating, black oxide, vibratory finishing.
Impregnation: With oil or resin.
Joining: Welding, brazing.
8. How do I request a quote or DFM review?
To start, please email us with:
Detailed 2D drawings or 3D model (STEP, IGES) with critical dimensions and tolerances.
Material or performance requirements (strength, wear, magnetism, etc.).
Annual usage forecast.
Application description.
9. What is the typical part size range?
Our capabilities cover a broad spectrum:
Weight Range: From less than 1 gram up to approximately 2 kilograms per single-pressed part.
Press Tonnage: Up to 800 tons, allowing for large cross-sectional areas.
Larger Assemblies: Can be produced as multiple sintered parts and joined.
10. What is the process from design to production?
We guide customers through a structured process:
Design & DFM Review: We analyze your 3D model/print for optimal P/M manufacturability and suggest improvements.
Quotation & Tooling: Provide a quote including tooling (die & punch) cost, which is a one-time investment.
Prototype/Sample: Produce initial samples from soft tooling or production tooling for approval.
Mass Production & QC: Ramp up to full production with ongoing quality reporting.
11. What is your MOQ and tooling investment?
Tooling (Mold) Cost: Quoted per project. It is a one-time NRE (Non-Recurring Engineering) cost. Customer owns the tooling.
Minimum Order Quantity (MOQ): Typically 50,000 pieces per year (lifetime of the part) to justify tooling investment. For lower volumes, we may suggest machining from P/M blanks or using MIM (Metal Injection Molding).
Quality First,Price Best,Service Foremost!
We assure you of our best services at all times !
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