Part Size: 1-150 mm
Weight: 0.1-300 g
Tolerance: ±0.3%
Surface Finish: Ra 0.8–1.6 um
Materials: SS316L, 17-4PH, SS420, Ti Alloy etc
Density: ≥96–99% Wrought
Secondary Operations: CNC, Polishing, Laser Marking
Industry Expertise
Factory Price
OEM/ODM Services
Powder Metal Sprockets are precision toothed wheels used in chain-driven systems for efficient power transmission.
Powder Metallurgy technology enables economical manufacturing of sprockets with excellent dimensional consistency and wear resistance."
Overview
PM technology is ideal for sprockets requiring:
High wear resistance
Precision tooth profiles
Cost-effective mass production
Integrated structures
Key Advantages:
● Excellent Wear Resistance
Provides long service life in chain systems.
● Near-Net Shape Manufacturing
Reduces machining requirements.
● High Production Efficiency
Suitable for large OEM programs.
● Competitive Manufacturing Cost
Excellent solution for medium and high production volumes.
Powder Metallurgy is particularly suitable for medium-complexity gears and high-volume production where cost efficiency is critical.
For highly intricate geometries such as miniature gears, multi-level gear systems, internal undercuts, thin-wall structures, and integrated transmission components, Metal Injection Molding (MIM) may provide a more suitable manufacturing solution.
This complementary manufacturing capability allows us to provide both Powder Metallurgy and Metal Injection Molding solutions according to customer performance and cost requirements.
| Geometry Features | PM | MIM |
| Small module geas(<0.5) | Limited | Excellent |
| Internal undercuts | Difficult | Excellent |
| Multi-level gears | Limited | Excellent |
| Thin wall structures(<0.5mm) | Difficult | Excellent |
| Cross holes | Limited | Excellent |
| Miniature gears(<10mm OD) | Difficult | Excellent |
| Integrated assemblies | Limited | Excellent |
| Helical internal gears | Very diffcult | Excellent |
| Complex planetary gears | Limited | Excellent |
For miniature gears, multi-level gears, integrated transmission components, and highly intricate designs, please also explore our Metal Injection Molding Gear Solutions.
FAQ:
Why use PM sprockets instead of machined sprockets?
PM sprockets significantly reduce production costs while maintaining reliable transmission performance.
Can PM sprockets be heat treated?
Yes. Surface hardening and steam treatment are commonly applied to improve wear resistance and durability.
When should I choose MIM instead of CNC machining or stamping?
Choose MIM when the part is small, metal, geometrically complex and needed in repeat production volume. CNC may be better for low-volume prototypes or highly localized precision features. Stamping may be better for flat sheet-metal parts. MIM becomes more attractive when the part has 3D features, holes, hooks, bosses, pivots and compact functional geometry that would be costly to machine or stamp.
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