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Precision CNC Machined H62 Brass-PTFE Composite Connecting Rods | Sterile Medical Drive Components for Endoscopes

Precision CNC machined H62 Brass-PTFE composite connecting rods. Designed for sterile medical drive components in endoscopes.

Project Name
Medical parts
Material
PTFE+ Brass H68
Processing Equipment
Turn-milling compound
Technology
CNC turning, CNC milling
Testing Instruments
CMM
Surface Treatment
Anodizing clear + Nano coating
Post-surface Inspection Equipment
CMM
Application Areas
Medical

Critical Parameters

FeatureSpecificationStandard
Material CompositionH62 Brass + 20% PTFEASTM B134
BiocompatibilityISO 10993-5 Class 0ISO 10993 Series
Surface RoughnessRa 0.4μm (brass segment)ASME B46.1
Sterilization Resistance200+ EO cyclesANSI/AAMI ST79
Coefficient of Frictionμ≤0.12 (dry)ASTM D1894

Engineering Advantages

  • Hybrid Material Design:

    • Brass core provides structural integrity (Tensile strength ≥400MPa)

    • PTFE inserts enable self-lubrication (60% friction reduction)

  • Medical-Optimized Features:

    • Integrated anti-bacterial grooves (FDA-cleared design)

    • MRI-compatible non-magnetic construction

  • Ergonomic Enhancements:

    • ISO 13485-compliant grip texture

    • Weight reduction vs. stainless steel (45% lighter)

Precision Manufacturing

  • Advanced Machining:

    • Sequential turning (brass) + cryogenic milling (PTFE)

    • PCD tooling prevents material adhesion

  • Cleanroom Protocol:

    • Class 10,000 environment

    • Triple-distilled water ultrasonic cleaning

  • Sterilization:

    • Validated EO process (<1μg/cm² residuals)

    • Lot-specific bioburden testing

Quality Documentation

  • Standard Reports:

    • Full CMM dimensional analysis (CPK≥1.33)

    • Material certification (ICP-MS)

    • Wear resistance data (500K cycles)

  • Special Testing:

    • Endotoxin analysis (<0.25EU/ml)

    • Clinical simulation fatigue testing (2M flex cycles)

Similar parts machining quotation

Surface treatment

Name

Applicable Materials

Colors

Can be applied to

Nano coating

Nano coating

For applicable material processing, please refer to the catalog.

Full Coating or RAL color catalog

Please contact us for detailed instructions

Anodizing

Anodizing

Aluminum

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

Media Blasting, Tumbling, Alodine*

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