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Injection Molding Services

Acetal/Delrin Injection Molding

Precision Plastic Injection Molding Services

Professional injection molding services for Acetal (POM) and Delrin materials. We specialize in high-volume production of precision plastic components with excellent dimensional stability, low friction, and superior mechanical properties for demanding applications.

±0.02mm
Tolerance
50,000+
Annual Capacity
2-3 Weeks
Lead Time
Acetal Injection Molding

Acetal Injection Molding Process

Our optimized injection molding process for Acetal/Delrin materials:

1

Material Preparation

Proper drying and preparation of Acetal pellets

  • Material drying at 80-90°C
  • Moisture content verification
  • Pellet inspection
  • Temperature conditioning
2

Mold Design & Setup

Advanced mold design optimized for Acetal properties

  • CAD/CAM mold design
  • Cooling system optimization
  • Ejection system setup
  • Process parameter configuration
3

Injection Molding

Precision injection molding with controlled parameters

  • Temperature control (190-210°C)
  • Pressure monitoring
  • Cycle time optimization
  • Quality inspection
4

Post-Processing

Final finishing and quality verification

  • Gate removal
  • Surface finishing
  • Dimensional verification
  • Packaging

Acetal Material Grades for Injection Molding

We work with various Acetal grades optimized for injection molding:

POM-H (Homopolymer)

Precision gears, bearings, mechanical parts

Melt Temperature
190-210°C
Mold Temperature
60-80°C
Drying Temperature
80-90°C
Drying Time
2-4 hours

Advantages:

Higher strength, better dimensional stability

POM-C (Copolymer)

Automotive components, electrical parts

Melt Temperature
185-205°C
Mold Temperature
50-70°C
Drying Temperature
75-85°C
Drying Time
2-3 hours

Advantages:

Better chemical resistance, lower cost

Glass-Filled POM

Structural components, load-bearing parts

Melt Temperature
200-220°C
Mold Temperature
70-90°C
Drying Temperature
85-95°C
Drying Time
3-4 hours

Advantages:

Enhanced strength, improved stiffness

Impact-Modified POM

Automotive interiors, consumer products

Melt Temperature
185-205°C
Mold Temperature
50-70°C
Drying Temperature
80-90°C
Drying Time
2-3 hours

Advantages:

Better impact resistance, improved toughness

Advanced Injection Molding Equipment

State-of-the-art equipment for precision Acetal injection molding:

High-Precision Injection Molding Machines

Clamping Force:50-500 tons
Shot Size:50-2000g
Injection Pressure:150-200 MPa
Temperature Control:±1°C

Key Features:

  • Closed-loop pressure control
  • Advanced temperature monitoring
  • Real-time process optimization
  • Automated quality control

Multi-Cavity Molds

Cavity Count:2-32 cavities
Mold Life:500,000+ cycles
Cooling Efficiency:Optimized channels
Ejection System:Automated

Key Features:

  • Balanced runner systems
  • Efficient cooling design
  • Quick changeover capability
  • Precision alignment

Auxiliary Equipment

Drying Systems:Desiccant dryers
Material Handling:Automated conveyors
Temperature Control:Chillers and heaters
Quality Inspection:Vision systems

Key Features:

  • Automated material feeding
  • Moisture monitoring
  • Process data logging
  • Quality assurance integration

Industry Applications

Acetal injection molded parts for diverse applications:

Automotive & Transportation

Components:

  • Fuel system components
  • Interior trim parts
  • Engine compartment parts
  • Electrical connectors

Advantages:

Chemical resistance
Temperature stability
Dimensional accuracy
Long service life

Consumer Electronics

Components:

  • Housing components
  • Mechanical switches
  • Gear assemblies
  • Structural supports

Advantages:

Precision fit
Electrical insulation
Wear resistance
Cost effectiveness

Medical & Healthcare

Components:

  • Medical device housings
  • Drug delivery systems
  • Laboratory equipment
  • Diagnostic tools

Advantages:

Biocompatibility
Sterilization resistance
Chemical inertness
Precision accuracy

Advantages of Acetal Injection Molding

Key advantages of injection molding for Acetal components:

Production Efficiency

  • High production capacity
  • Fast molding cycles
  • Automated production
  • Scalability

Part Quality

  • Excellent dimensional stability
  • Quality consistency
  • Complex geometries
  • High precision

Cost Effectiveness

  • Low unit cost
  • Minimal waste
  • Efficient material usage
  • Competitive pricing

Material Properties

  • Low friction coefficient
  • High wear resistance
  • Chemical resistance
  • Mechanical strength

Quality Assurance & Control

Comprehensive quality control ensures perfect Acetal injection molded parts:

Pre-Production

  • Material certification
  • Mold validation
  • Process parameter verification
  • First article inspection

In-Process

  • Real-time monitoring
  • Dimensional verification
  • Visual inspection
  • Process parameter control

Final Inspection

  • Dimensional measurement
  • Surface quality assessment
  • Functional testing
  • Documentation review

Technical Specifications

Detailed specifications for our Acetal injection molding services:

molding

Melt Temperature:185-220°C
Mold Temperature:50-90°C
Injection Pressure:80-150 MPa
Hold Pressure:40-80 MPa

dimensional

Tolerance:±0.02-0.05mm
Surface Finish:Ra 0.4-1.6μm
Min Wall:0.5-1.0mm
Max Part Size:500 x 500mm

material

Density:1.40-1.42 g/cm³
Melting Point:165-175°C
Water Absorption:0.2-0.4%
Shrinkage:1.5-2.5%

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 injection molding:

Ready to Transform Your Manufacturing?

Get a free quote for your custom Acetal injection molding project. Our team of experts is ready to help you achieve high-quality parts with fast turnaround and superior performance.

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  • Address: 11 Longjiangyi Rd, Dong Guan Shi, Guangdong Province, China, 523690

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