Question 1

How much does it cost to injection mold a PEEK?

Accepted Answer

The cost of PEEK injection molding varies based on part complexity, volume, and material grade. Standard PEEK parts typically range from $5-50 per part for production runs, while medical-grade or reinforced PEEK can cost $20-200 per part. Factors affecting cost include mold complexity, part size, tolerance requirements, and production volume. We provide detailed quotes based on your specific requirements.

Question 2

What is the process of PEEK?

Accepted Answer

The PEEK injection molding process involves several critical steps: 1) Material drying at 150°C for 3-4 hours to remove moisture, 2) High-temperature melting at 360-400°C, 3) Injection into a heated mold (160-180°C) at 80-120 MPa pressure, 4) Controlled cooling and crystallization, and 5) Part ejection and post-processing. The process requires precise temperature and pressure control due to PEEK's high melting point and viscosity.

Question 3

Can PEEK be overmolded?

Accepted Answer

Yes, PEEK can be overmolded, but it requires careful process control and material selection. PEEK overmolding is typically used to create composite parts with different materials or to add functional features. The process involves molding PEEK over a substrate material, requiring compatible materials and precise temperature control. Common applications include adding PEEK wear surfaces to metal components or creating multi-material medical devices.

Question 4

What is the pressure for PEEK injection molding?

Accepted Answer

PEEK injection molding typically requires injection pressures of 80-120 MPa (11,600-17,400 psi) and packing pressures of 60-80 MPa (8,700-11,600 psi). These high pressures are necessary due to PEEK's high viscosity and melting temperature. The exact pressure depends on part geometry, wall thickness, and material grade. Proper pressure control is crucial for achieving good part quality and preventing defects.

Question 5

Can you injection mould PEEK?

Accepted Answer

Yes, PEEK can be successfully injection molded with the right equipment and process control. It requires specialized injection molding machines capable of reaching temperatures up to 400°C and pressures up to 120 MPa. The process demands precise temperature control, proper material drying, and optimized mold design. While challenging due to PEEK's high melting point and viscosity, it's a well-established manufacturing method for producing high-performance PEEK components.

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How much does it cost to injection mold a PEEK?

What is the process of PEEK?

Can PEEK be overmolded?

What is the pressure for PEEK injection molding?

Can you injection mould PEEK?

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