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Thursday, May 1, 2025
TECHNOLOGIESTRADITIONAL MANUFACTURINGInjection Molding

Injection Molding

INJECTION MOLDING

Advanced Manufacturing Solutions for Complex Parts

Injection molding isn't just a manufacturing process—it's the backbone of modern product development. This versatile technology enables the production of complex geometric parts with exceptional repeatability, tight tolerances, and superior surface finish. Whether you're developing medical devices or automotive components, injection molding delivers the precision and reliability your projects demand.

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Why Choose Injection Molding?

  • Cost-Effective Scale: Optimal for both prototypes and high-volume production
  • Material Versatility: Compatible with hundreds of thermoplastics and engineered resins
  • Superior Consistency: Achieve tight tolerances and exceptional part-to-part repeatability
  • Rapid Production: Short cycle times for efficient manufacturing
  • Surface Quality: Outstanding finish straight from the mold
  • Custom Colors: Match to any color– Pantone, Ral
  • Textures: Mold Tech, SPI-A1 to SPI-D3

Process Capabilities


Part Size Range: 0.1" to 36"

Typical Tolerances: ±0.005"

Material Options: Engineering thermoplastics, commodity resins, filled polymers

Surface Finish: Ra 0.1 µm to 3.2 µm

Production Volume: 100 to 1,000,000+ parts

Injection Molding FAQs

Common injection molding defects and solutions include:

Sink Marks • Cause: Insufficient cooling time or thick sections • Solution: Optimize wall thickness and cooling parameters

Flash • Cause: Excessive injection pressure or worn mold • Solution: Adjust clamp force and verify mold maintenance

Weld Lines • Cause: Multiple flow fronts meeting • Solution: Optimize gate locations and melt temperature

Warpage • Cause: Uneven cooling or residual stress • Solution: Balance cooling channels and adjust process parameters

Crystalline polymers have an ordered molecular structure with a distinct melting point, offering better chemical resistance and strength (examples: POM, PA66). Amorphous polymers have a random molecular structure with a glass transition temperature range, providing better dimensional stability and transparency (examples: PC, ABS).

The injection molding material selection process follows these steps:

1. Define functional requirements (mechanical, thermal, chemical)

2. Identify operating environment conditions

3. Determine processing requirements

4. Consider regulatory compliance needs

5. Evaluate cost constraints

6. Assess material availability and lead times

7. Verify material-specific design guidelines

Key factors affecting injection molding tooling costs:

Part complexity (30-40% of total cost)

Size requirements (20-25% of total cost)

Material selection (15-20% of total cost)

Surface finish requirements (10-15% of total cost)

Production volume expectations (5-10% of total cost)

CONTACT US

CALL: 908-685-2211

EMAIL: CustomerService@sicam.com

1 Harvard Way Hillsborough, NJ 08844

When You Call… We Answer.

Our high standards for quality and highly experienced technical staff here to assist you with your project solutions make us your best solution.

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