Custom CNC Machining Plastic Parts

We offer customized CNC machining plastic part for customer, PP, PE, PC, PA, POM, Nylon, PEEK, etc.

Machining plastic parts is a common manufacturing process used to produce precision plastic components for various industries, such as automotive, electronics, medical devices, and industrial machinery. Plastic materials are easy to machine, but their properties vary significantly, so material selection and machining techniques are crucial.

Common Plastic Materials for Machining:

1. POM (Polyoxymethylene): Known for its high rigidity, low friction, and wear resistance, it is widely used in gears, bearings, and sliders.
2. ABS: High strength and easy to machine, commonly used for electronic housings and automotive parts.
3. Nylon (PA): Offers good wear resistance, heat resistance, and mechanical strength, ideal for load-bearing components.
4. PEEK: High heat resistance and chemical resistance, often used in aerospace and medical devices with stringent requirements.
5. PVC, PP: Corrosion-resistant, suitable for pipes, containers, and other similar applications.

Machining Processes for Plastic:

1. CNC Milling: Ideal for machining complex shapes, such as housings and brackets.
2. CNC Turning: Used for plastic shaft components, especially cylindrical or rotationally symmetric parts.
3. Drilling and Tapping: For plastic parts requiring drilled holes or threading, the choice of tools and machining speeds is critical to avoid overheating or cracking.
4. Thermal Processing: Some plastic materials can be shaped using thermal forming or extrusion to achieve complex shapes.

Key Considerations for Machining Plastics:

1. Tool Selection: Sharp tools should be used to prevent deformation or melting of the material due to excessive friction.
2. Cooling: Although plastic doesn’t generate as much heat as metals during machining, proper use of coolant is necessary to prevent heat buildup.
3. Material Deformation: Plastics are prone to thermal deformation during machining, so cutting speeds and feed rates should be controlled to avoid warping from excessive cutting forces.

CNC machining plastic part

CNC machining plastic part