Custom Acetal/Delrin Parts Manufacturing

Specializing in precision-engineered Acetal (POM) and Delrin® parts manufacturing. Our advanced machining capabilities deliver exceptional wear resistance, dimensional stability, and mechanical properties for your critical applications.

Superior Wear Resistance

Excellent Dimensional Stability

Low Friction Coefficient

High Tensile Strength

Technical Specifications

Acetal (POM) offers outstanding mechanical and chemical properties:

Physical Properties

Density1.41 g/cm³

Water Absorption0.20-0.40%

HardnessM80-M85 (Rockwell)

Mechanical Properties

Tensile Strength60-70 MPa

Flexural Modulus2,800 MPa

Impact Strength6.5 kJ/m²

Thermal Properties

Melting Point165-175°C

Service Temperature-50°C to 100°C

Heat Deflection110°C at 1.8 MPa

Manufacturing Capabilities

State-of-the-art precision machining for Acetal/Delrin components:

Precision CNC Machining

Tolerance: ±0.025mm
Surface Finish: Ra 0.2-0.8 μm
Minimum Wall Thickness: 0.5mm
Maximum Part Size: 500mm

Advanced Turning

Diameter Range: 3mm - 300mm
Length up to 600mm
Thread Cutting Capability
Automated Production

Custom Milling

5-Axis Capability
Complex Geometries
Tight Tolerances
Surface Texturing

Industry Applications

Automotive Applications

Common Applications

Gear Components
Bearing Assemblies
Bushings and Spacers
Valve Components

Key Benefits

Excellent wear resistance and low friction for moving parts

Design Guidelines for Acetal Parts

Wall Thickness

Minimum: 0.5mm for structural parts
Optimal: 1.5-3mm for general applications
Maximum: 5mm to avoid sink marks

Draft Angles

Minimum: 0.5° for external walls
Recommended: 1-2° for better moldability
Deep features: 2-3° for easy ejection

Tolerances

Standard: ±0.1mm
Precision: ±0.05mm
Ultra-precision: ±0.025mm

Quality Assurance

Certifications

ISO 9001:2015 Certified

FDA Compliant Manufacturing

RoHS Compliance

REACH Compliance

Inspection Methods

Dimensional Verification

CMM (Coordinate Measuring Machine)
Digital Micrometers
Optical Comparators

Material Analysis

Hardness Testing
Chemical Composition Analysis
Stress Testing

Surface Quality

Surface Roughness Testers
Visual Inspection
Microscopic Analysis

Material Excellence

Superior wear resistance
Low friction coefficient
Excellent dimensional stability
Good chemical resistance

Manufacturing Precision

Tight tolerances
Consistent quality
Complex geometries
Smooth surface finish

Application Versatility

Multiple industries
Various environments
Different temperatures
Diverse applications

Start Your Acetal/Delrin Project Today

Ready to leverage the superior properties of Acetal/Delrin for your application? Our engineering team is here to help you optimize your design and choose the right manufacturing process.

Partsproto

Professional CNC machining and custom parts manufacturing services, meeting your precision machining needs with rapid delivery of high-quality components.