CNC Machining in HDPE Material
At Jiangzhi, we provide precision HDPE CNC machining services for custom plastic parts with tight tolerances and fast lead times. From prototypes to low-volume production, our team machines HDPE components with complex geometries and consistent quality.
Our one-stop plastic machining solution includes:
- HDPE material selection
- Precision milling and turning
- Part finishing and surface inspection
- Final quality control before shipping
CNC-machined HDPE parts are widely used in water-resistant enclosures, fluid system components, wear-resistant parts, and mechanical guides. These components are commonly applied in chemical processing, industrial equipment, and food-grade environments.
With advanced CNC equipment and experienced engineers, we deliver reliable HDPE machined parts that meet your design specifications and production requirements.
Our HDPE Machining Capabilities
| Price | $$$ |
|---|---|
| Process | CNC Milling, CNC Turning |
| Tolerances | ±0.015mm |
| Maximum Part Size | 900mm x 600mm x 250mm |
| Minimum Feature Size | Φ 0.6mm |
| Wall Thickness | 0.75mm |
| Lead Time | About 3-6 days |
HDPE Properties for CNC Machining
HDPE (High-Density Polyethylene) is a lightweight, durable, and chemically resistant plastic ideal for CNC machining. It offers excellent impact strength, flexibility, and low moisture absorption, making it suitable for both structural and functional parts. CNC machining HDPE allows for clean cuts with minimal tool wear, resulting in precise, cost-effective components.
| Tensile Strength, Yield (MPa) | Elongation at Break | Hardness | Impact Strength | Heat Deflection | Heat Deflection Temperature | Melting Point |
|---|---|---|---|---|---|---|
| 20–37 MPa | 100–600% | R60–R100 | 80–120 J/m | 70–90°C | 50–70°C | 130–137°C |
- The above parameters represent the baseline performance of the materials. Actual application should be dynamically optimized based on specific working conditions.
Related Process
Advantages & Disadvantages of HDPE CNC Machining
Advantages
- Easy to cut and shape with CNC tools
- Performs well in corrosive environments
- Ideal for outdoor and fluid applications
- Strong yet low density for efficient production
- Affordable for both prototyping and production runs
Disadvantages
- Require tighter process control
- More prone to scratches compared to harder plastics
- Degrades with long-term sun exposure unless stabilized
- Require design compensation in precision assemblies
Surface Finishing Options for CNC Machined HDPE Parts
Standard finish with visible tool marks; suitable for functional prototypes and internal components.
Uses abrasive media to create a uniform matte or satin finish; also improves coating adhesion on plastic or metal surfaces.
Adds logos, text, or identification marks via silk screen or pad printing, ideal for branding or part tracking.
Removes machining marks and evens out surface texture; ideal for prototypes and parts where appearance is not critical.
Painting and powder coating provide colorful, durable, and corrosion-resistant finishes.
Deposits metal layers such as nickel or chrome on parts, improving wear resistance, conductivity, and aesthetic quality.
Produces a smooth, glossy finish; commonly applied to plastics like PC or PMMA for enhanced clarity and premium look.
Chemical treatment for ferrous metals, creating a dark, corrosion-resistant surface with minimal thickness.
Electrochemical process for aluminum that enhances corrosion and wear resistance, with options for colored finishes.
Jiangzhi HDPE CNC Machining Parts are Guaranteed
Yes. HDPE machining is easy, low-cost, and yields tough, chemically resistant parts—great for structural, outdoor, and fluid-related uses.
HDPE can tolerate moderate heat but is not ideal for high-temp environments. For better thermal resistance, consider materials like PTFE or PEEK.
HDPE is widely used in water treatment systems, food processing equipment, medical trays, packaging machinery, and electronics housings.
CNC machining HDPE offers smoother finishes, tighter tolerances, and stronger parts than 3D printing, especially for load-bearing or functional components.
Yes. Our team has extensive experience milling HDPE with tight tolerances. We'll optimize your design for best performance and manufacturability.
While rough estimates are possible, accurate pricing for plastic CNC machining needs a CAD or technical drawing.
