We specialize in machining various custom engineering plastic parts both prototype and production.

Because of our extensive project experience and deep understanding of plastic material processing capabilities. Whether it’s dimensional accuracy or surface quality, we consistently achieve leading standards in China.

Common plastic materials used for mechanical parts include,

1. Polypropylene (PP): Known for its good wear resistance and chemical stability, often used to manufacture pipes, valves, and pump bodies.
2. Polyethylene (PE): Offers excellent impact resistance and abrasion resistance, suitable for making bearings, gears, and mechanical parts.
3. Polystyrene (PS): Easy to process and mold, used for manufacturing insulation cups, models, and some mechanical parts.
4. Polymethyl methacrylate (PMMA): High transparency and good weather resistance, commonly used for making displays, light fixtures, and lenses.
5. Polyester resin (PET): High strength and good heat resistance, frequently used for making enclosures and structural components of mechanical parts.
6. Nylon (PA): Excellent wear resistance and impact resistance, widely used for manufacturing bearing housings, gears, and bushings.

Our extensive machining experience with engineering plastic parts across various industries has allowed us to accumulate rich expertise. 

Key aspects of plastic material CNC machining performance

1. Machinability: Some plastics are easier to machine than others, influenced by factors such as hardness, thermal stability, and abrasiveness.

2. Formability: Plastics can be molded or extruded into complex shapes. Formability is affected by the material’s melt flow index, viscosity, and elasticity.

3. Surface Finish: Achieving a smooth surface finish often depends on the material’s melt temperature range, shrinkage rate, and mold design.

4. Dimensional Stability: Plastics expand and contract with temperature changes. High-performance plastics are engineered to minimize dimensional changes.

5. Strength and Durability: Different plastics offer varying degrees of mechanical strength, impact resistance, and fatigue resistance.

6. Chemical Resistance: Plastics may resist or degrade when exposed to chemicals. Resistance depends on the material’s chemical composition and molecular structure.