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CNC Milling for Plastic and Polymer Components

Turn engineering plastic stock into custom components with pockets, holes, steps and shaped surfaces.

CNC milling uses programmed cutting tools to remove material from a solid blank. The right approach depends on the polymer grade, component geometry, tolerances and operating conditions.

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What is CNC milling?

CNC milling removes material with rotating cutting tools following a computer-controlled toolpath. A workpiece is held securely while the tools machine the required surfaces and features.

Unlike a through-cut profile, a milled component can have features at different depths. Tool access, workholding and the number of setups influence which shapes can be produced.

Why Choose this Route: The Benefits for Polymer Components

  • 1. Detailed Features

    Machine more than an outline

    Create pockets, stepped faces and hole patterns within one component.

  • 2. Design Flexibility

    Develop parts without a mould

    Machine from stock while assessing prototypes or evolving a design.

  • 3. Material Choice

    Work with engineering polymers

    Match the grade to temperature, chemicals, wear and load requirements.

  • 4. Controlled Features

    Specify critical dimensions

    Identify mating surfaces and functional features for machining and inspection review.

What components can be produced?

  • Mounting Plates

  • Insulating Plates & Barriers

  • Housings & covers

  • Wear pads & guide blocks

  • Jigs & fixtures

  • Prototype components

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Ceramic (Zirconia ZrO₂) Custom Manufactured Bushings/Spacers

Ceramic (Zirconia ZrO₂) Custom Manufactured Components Ceramic (Zirconia ZrO₂) Custom Manufactured Components
HPP CERAMIC (ZrO₂)®

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Ceramic (Zirconia ZrO₂) Custom Manufactured Flanged Bushings Ceramic (Zirconia ZrO₂) Custom Manufactured Flanged Bushings
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Our Process:

1. Design Review

We review your component specifications and CAD drawings to understand the part's outline, holes and dimensions.

2. Material Specification

We help you choose the right material, sheet thickness, quantity, and any required tolerances.

3. Precision Milling

The component is lathed following its CNC drawing to hold tight tolerances and accurate dimensions.

4. Inspection and Certification

Your component(s) are then fully inspected and sent to you with a CoC

Get your quotation here in 24 hours:

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What to include:

  • Dimensioned drawing and available CAD file
  • Material and grade
  • Thickness or finished dimensions
  • Quantity and repeat demand
  • Critical tolerances and finish
  • Application and delivery date
  • Certification or inspection needs
Request a Custom Component Quote →