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High-Performance PEEK Connecting Rods | CNC Turn-Milled for Medical & Aerospace Applications

Precision CNC turn-milled PEEK connecting rods with superior strength-to-weight ratio. Features ±0.02mm straightness, FDA/USP Class VI compliance, and EMI transparency. Ideal for MRI-compatible devices and fluid handling systems. Custom lengths and end fittings available.

Project Name
PEEK Medical parts
Material
PEEK
Processing Equipment
Turn-milling compound
Technology
CNC turning, CNC milling
Testing Instruments
CMM
Surface Treatment
Clear
Post-surface Inspection Equipment
CMM
Application Areas
Medical


Core Parameters

FeatureTechnical SpecificationTesting Standard
Material GradePEEK 450G (30% carbon fiber reinforced)ISO 10993-1
Dimensional AccuracyØ3-20mm, ±0.015mm roundnessDIN 7168
Surface QualityRa 0.8μm (mirror finish optional)ASME B46.1
Mechanical PropertiesFlexural strength 200MPaASTM D790


Design Advantages

  1. Hybrid Machining Features

    • Integrated turning (main body) + milling (keyway/threads)

    • Stress-optimized transition radii (R≤0.1mm)

  2. Biocompatible Solutions

    • Gamma radiation sterilization compatible

    • Optional:

      • Conductive grade (surface resistance 10³-10⁶Ω)

      • X-ray detectable marker slots

  3. Lightweight Structure

    • Hollow design (minimum wall thickness 0.8mm)

    • 70% weight reduction vs. stainless steel


Process Control

  1. Special Tooling

    • Diamond-coated end mills (prevents material adhesion)

    • Compressed air cooling (avoids thermal deformation)

  2. Workholding Solutions

    • Elastic collet chucks (prevents surface damage)

    • Real-time laser diameter feedback compensation

  3. Cleaning Standards

    • Medical-grade IPA cleaning (residue ≤0.1mg/cm²)

    • Class 100 cleanroom packaging


Quality Inspection Report

  • Full-dimension CMM scan report

  • FTIR material consistency analysis

  • Porosity test (helium mass spectrometry)

Request dynamic fatigue test data or dielectric constant report if needed.

Similar parts machining quotation

Surface treatment

Name

Applicable Materials

Colors

Can be applied to

Tumbling

Tumbling

Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper

n/a

All post processes, except Electropolish and Powder Coat

Anodizing

Anodizing

Aluminum

Clear, black, grey, red, blue,green,orange,gold

Media Blasting, Tumbling, Alodine*

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