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 Spider Jaw Coupling Hub

Product Presentation

This spider jaw coupling hub is produced by metal injection molding, forming the characteristic three-jaw geometry, central bore and keyway in a near-net-shape sintered part. MIM delivers the complex jaw geometry and material properties needed for torque transmission at competitive cost compared with machined alternatives.

MIM Sintered Spider Jaw Coupling Hub - view 1

MIM Sintered Spider Jaw Coupling Hub - view 2

MIM Sintered Spider Jaw Coupling Hub - view 3

MIM Sintered Spider Jaw Coupling Hub - view 4

MIM Sintered Spider Jaw Coupling Hub - view 5

MIM Sintered Spider Jaw Coupling Hub - view 6

Key Features

Three-jaw spider geometry formed in one MIM process
Central bore and keyway with accurate concentricity
High strength and wear resistance from sintered alloy steel
Excellent dimensional repeatability for balanced assembly
Customizable: bore size, jaw profile, material and heat treatment

Technical Specifications

Process	Metal injection molding (MIM) + sintering + heat treatment
Material	Alloy steel 4600 series, stainless steel 17-4PH
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, zinc plating
Volume	Suitable from 5,000 pcs/year and above
Lead time	15-20 days after tooling approval
Quality control	100% dimensional and balance inspection

Applications

Power transmission couplings
Servo and stepper motor connections
Pumps, gearboxes and reducers
Automation and robotics
Industrial drive systems

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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