Metal Injection Molding Parts

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High accurate MIM (metal injection molding) parts have being widely used in the field of automotive, aerospace, firearms, medical, and consumer electronic and mechanical components industries.
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MIM Sintered Gear Assembly Component

Product Presentation

This gear assembly component is produced by metal injection molding, forming the gear teeth and shaft interface in a near-net-shape sintered part. Sintered alloy steel provides the strength and wear resistance required for power transmission and gear mechanisms.

MIM Sintered Gear Assembly Component - view 1

MIM Sintered Gear Assembly Component - view 2

MIM Sintered Gear Assembly Component - view 3

MIM Sintered Gear Assembly Component - view 4

MIM Sintered Gear Assembly Component - view 5

MIM Sintered Gear Assembly Component - view 6

Key Features

Gear teeth and shaft interface formed in one MIM process
High strength and wear resistance from sintered alloy steel
Excellent detail reproduction for small gear teeth
High dimensional consistency across high-volume production
Customizable: module, number of teeth, material and heat treatment

Technical Specifications

Process	Metal injection molding (MIM) + sintering + heat treatment
Material	Alloy steel 4600 series / stainless steel
Hardness	HRC 28-45 after heat treatment
Density	96-98% of theoretical density
Tolerance	±0.3% of dimension (typical)
Surface finish	Shot blasting, black oxide, oiled
Volume	Suitable from 5,000 pcs/year and above
Lead time	15-20 days after tooling approval
Quality control	100% dimensional and gear inspection

Applications

Gearboxes and speed reducers
Power transmission assemblies
Automotive and motorcycle gear mechanisms
Industrial gear drives
Custom MIM gear components

Why Choose MDM

One-stop service from drawing review, tooling to mass production
ISO 9001 certified manufacturing with full inspection reports
Competitive pricing with on-time delivery worldwide
Free DFM feedback for cost and quality optimization
Fast response within 24 hours for all inquiries

Request a quote for your custom parts — send us your drawings, we reply within 24 hours.

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