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Precision CNC Machining

Acetal/Delrin CNC Machining

Precision Engineering & High-Performance Components

Professional CNC machining services for Acetal (POM) and Delrin materials. We specialize in high-precision cutting, drilling, and finishing of acetal components with excellent dimensional stability, low friction, and superior mechanical properties for demanding applications.

±0.005mm
Tolerance
70 MPa
Tensile Strength
2-4 Days
Lead Time
Acetal CNC Machining

Acetal CNC Machining Capabilities

Our advanced CNC machining capabilities for Acetal/Delrin materials:

Precision CNC Milling

Ultra-precise milling for complex geometries

Tolerance:±0.005mm
Min Wall:0.2mm
Max Size:600 x 400mm
Surface Finish:Ra 0.4μm

5-Axis CNC Machining

Multi-axis machining for complex 3D shapes

Tolerance:±0.01mm
Min Wall:0.3mm
Max Size:500 x 400mm
Surface Finish:Ra 0.6μm

CNC Turning

High-precision turning for cylindrical parts

Tolerance:±0.002mm
Min Diameter:0.5mm
Max Length:300mm
Roundness:0.001mm

Micro Machining

Ultra-fine machining for miniature components

Tolerance:±0.002mm
Min Feature:0.1mm
Max Size:50 x 50mm
Surface Finish:Ra 0.2μm

Acetal CNC Machining Process

Our optimized CNC machining process for Acetal/Delrin materials:

1

Material Selection

Choose the right Acetal grade for your application requirements

  • Grade selection (POM-H, POM-C)
  • Material certification
  • Size verification
  • Quality inspection
2

CAD/CAM Programming

Advanced programming with optimized tool paths for Acetal

  • 3D model analysis
  • Tool path optimization
  • Cutting parameter selection
  • Fixture design
3

Precision Machining

High-speed machining with specialized cutting tools

  • Rough cutting
  • Finish machining
  • Hole drilling
  • Surface finishing
4

Quality Verification

Comprehensive inspection and dimensional verification

  • Dimensional measurement
  • Surface inspection
  • Deburring
  • Final cleaning

Acetal Material Grades

We work with various Acetal grades for different applications:

POM-H (Homopolymer)

Precision gears, bearings, mechanical parts

Tensile Strength
70-75 MPa
Impact Strength
6-8 kJ/m²
Hardness
R120-R130
Density
1.41-1.42 g/cm³

POM-C (Copolymer)

Automotive components, electrical parts

Tensile Strength
60-65 MPa
Impact Strength
8-10 kJ/m²
Hardness
R110-R120
Density
1.40-1.41 g/cm³

Delrin (DuPont)

High-performance mechanical components

Tensile Strength
75-80 MPa
Impact Strength
7-9 kJ/m²
Hardness
R125-R135
Density
1.42 g/cm³

Glass-Filled Acetal

Structural components, load-bearing parts

Tensile Strength
90-110 MPa
Impact Strength
4-6 kJ/m²
Hardness
R130-R140
Density
1.50-1.60 g/cm³

Industry Applications

Acetal CNC machined parts for diverse applications:

Precision Engineering

Components:

  • Gears and gearboxes
  • Bearing components
  • Valve bodies
  • Pump components

Advantages:

Low friction
High precision
Dimensional stability
Wear resistance

Automotive & Aerospace

Components:

  • Fuel system components
  • Interior trim parts
  • Control mechanisms
  • Safety equipment

Advantages:

Chemical resistance
Temperature stability
Lightweight
Durability

Medical & Laboratory

Components:

  • Surgical instruments
  • Laboratory equipment
  • Diagnostic devices
  • Medical device housings

Advantages:

Biocompatibility
Sterilization resistance
Precision accuracy
Chemical inertness

Why Choose Acetal CNC Machining

Key advantages of CNC machining for Acetal components:

Precision & Accuracy

  • Ultra-tight tolerances up to ±0.005mm
  • Excellent dimensional stability
  • Complex geometry capability
  • Consistent quality

Material Properties

  • Low friction coefficient
  • High wear resistance
  • Excellent chemical resistance
  • Good electrical insulation

Performance Benefits

  • High strength-to-weight ratio
  • Temperature resistance
  • Moisture resistance
  • Long service life

Cost Effectiveness

  • Reduced maintenance costs
  • Lower friction losses
  • Extended component life
  • Competitive pricing

Quality Assurance

Comprehensive quality control ensures perfect Acetal CNC machined parts:

Pre-Machining

  • Material certification
  • Dimensional verification
  • Tool calibration
  • Fixture validation

In-Process

  • Real-time monitoring
  • Tolerance checking
  • Surface quality control
  • Tool wear monitoring

Final Inspection

  • Dimensional measurement
  • Visual inspection
  • Surface finish testing
  • Documentation

Technical Specifications

Detailed specifications for our Acetal CNC machining services:

machining

Cutting Speed:300-600 m/min
Feed Rate:0.05-0.2 mm/rev
Depth of Cut:0.3-1.5 mm
Tool Life:4-6 hours

dimensional

Tolerance:±0.005-0.01mm
Surface Finish:Ra 0.2-0.6μm
Min Wall:0.2-0.3mm
Max Size:600 x 400mm

material

Density:1.40-1.42 g/cm³
Melting Point:165-175°C
Thermal Expansion:1.1 x 10⁻⁴/°C
Water Absorption:0.2-0.3%

mechanical

Tensile Strength:60-80 MPa
Flexural Strength:90-110 MPa
Impact Strength:4-10 kJ/m²
Hardness:R110-R140

Frequently Asked Questions

Common questions about Acetal CNC machining:

Ready to Start Your Acetal CNC Machining Project?

Get expert CNC machining services for your Acetal/Delrin components with precision, quality, and fast turnaround times.

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Contact Us

  • Email: [email protected]
  • Address: 11 Longjiangyi Rd, Dong Guan Shi, Guangdong Province, China, 523690

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