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CNC machining produces parts with excellent mechanical properties, accuracy and repeatability from metal and plastic. 3-axis & 5-axis CNC milling available.
Excellent mechanical properties,High accuracy & repeatabillity
Greater geometry restrictions than 3D printing
| Price | $ |
|---|---|
| Lead Time | < 10 days |
| Wall Thickness | 0.75 mm |
| Tolerance | ±0.125mm (±0.005″) |
| Max Part Size | 200 x 80 x 100 cm |
| Ultimate tensile strength (MPa) | 40 |
|---|---|
| Yield strength (MPa) | 25.9 |
| Young's modulus (modulus of elasticity) (GPa) | 1.2 |
| Elongation at break(%) | 622 |
| Hardness (Rockwell) | 65 |
| Density (g/cm³) | 0.96 |
|---|---|
| Flammability Rating | 80.6 |
| Glass Transition Temperature (°C) | 130 |
| Maximum service temperature(°C) | 82 |
| Common applications | Storage tanks, Containers |
Clarwe provides a wide range ofsurface finishes through its aluminum CNC machining service, designed to elevate the quality of each machined component. Each finish is specifically chosen to improve both the mechanical characteristics and the visual appeal of the hdpe parts.
High-Density Polyethylene (HDPE) is a durable, high-performancethermoplastic material frequently used in CNC machining due to its strength, flexibility, and chemical resistance. HDPE is known for its low friction properties and excellent wear resistance, making it suitable for applications that involve sliding or moving parts, such as gears, bearings, and conveyor components. InCNC machining , HDPE can be easily cut, drilled, and milled using standard equipment like routers and mills.
While machining HDPE, operators must manage heat buildup to prevent warping or dimensional changes, as HDPE can soften under high temperatures. To achieve precise and clean cuts, it is recommended to use sharp tools and lower spindle speeds, along with proper cooling techniques such as air or mist cooling. HDPE’s resistance to wear and corrosion, coupled with its excellent machinability, makes it a popular choice for manufacturing components in industries like chemical processing, food, and packaging.
CNC machining processes for HDPE involve cutting, milling, drilling, and turning, with each technique designed to create components with high precision and functionality. In cutting, CNC routers or mills are used to shape HDPE sheets or blocks into the required geometry, ensuring smooth and precise cuts.Milling operations are often employed to produce more complex shapes or contours in HDPE, with proper tool selection being crucial to avoid overheating or melting. Drilling is used to create clean, accurate holes in HDPE parts, particularly for applications that require precise fastening orassembly.
Since HDPE is prone to heat distortion during machining, it is important to use tools that are sharp and capable of handling the material's softness. Additionally, CNC machining of HDPE should be done at controlled speeds and feeds to prevent surface melting or dimensional inaccuracies. Cooling techniques such as air cooling or misting are often used to maintain material integrity. By carefully adjusting the machining parameters, HDPE can be processed to produce parts that meet both functional and aesthetic requirements for various applications.
Post-processing of HDPE is important for enhancing the final product’s appearance and performance. One common post-processing method is trimming, where excess material is removed after machining to refine the component’s shape. This can be done through manual or automated processes to achieve the desired dimensions and smoothness. Polishing may also be performed to improve the surface finish of HDPE parts, especially when a glossy appearance or smoother texture is required. However, since HDPE is a relatively soft material, excessive polishing may cause the surface to become prone to scratching or damage.
Additionally, HDPE components may need to be assembled or joined together using specific bonding methods, such as welding or adhesive bonding. Hot plate welding and ultrasonic welding are commonly used techniques for joining HDPE parts. In some cases, additional cutting or shaping may be needed to meet exact specifications. These post-processing steps ensure that the finished HDPE parts have the required physical properties and visual appearance, making them suitable for a wide range of industrial applications.
High Durability: HDPE is resistant to impact, abrasion, and wear, making it suitable for heavy-duty applications.
Chemical Resistance: HDPE has excellent resistance to a wide range of chemicals, oils, and solvents, making it ideal for use in harsh environments.
Low Friction: The material has a low coefficient of friction, which reduces wear and is advantageous for moving parts.
Lightweight: HDPE is relatively light compared to other materials, which can reduce transport and handling costs.
Good Machinability: HDPE is easy to machine with standard CNC equipment, which ensures precise and cost-effective production.
Cost-Effective: HDPE is affordable compared to other engineering plastics, providing a good balance of performance and cost.
Excellent Weather Resistance: HDPE is resistant to environmental factors such as UV radiation, moisture, and extreme temperatures, making it suitable for outdoor use.
Recyclable: HDPE is widely recyclable, contributing to sustainability efforts.
FDA Compliant: HDPE is non-toxic and can be used in food and medical applications that require compliance with health standards.
Piping Systems: HDPE is widely used in piping for water, gas, and sewage systems due to its chemical resistance and durability.
Containers: Used to produce plastic containers, including bottles, tanks, and drums, for storing chemicals, food, and beverages.
Packaging: HDPE is commonly used for packaging products, including plastic bags, containers, and crates.
Conveyor Components: HDPE’s low friction and wear resistance make it ideal for use in conveyor components such as rollers and slides.
Automotive Parts: It is used in car components, including fuel tanks, bumpers, and interior parts, due to its durability and impact resistance.
Plastic Sheets: HDPE sheets are used for applications requiring high strength and low moisture absorption, such as signage or barriers.
Marine Applications: Due to its resistance to moisture and corrosion, HDPE is used in boat and marine parts, including docks and fenders.
Agriculture: HDPE is used for agricultural pipes, irrigation systems, and liners for ponds or reservoirs.
Yes, HDPE can be welded using heat fusion techniques, such as butt welding and extrusion welding. These methods create strong, durable joints ideal for piping systems and industrial applications. Proper surface preparation and controlled temperatures are crucial to ensure a successful weld. HDPE welding offers a reliable way to create leak-proof connections in various products and structures.
HDPE performs well in moderate to high-stress applications due to its excellent strength-to-weight ratio and impact resistance. However, it may not be suitable for extremely high-load or high-temperature conditions, as it can deform under excessive stress. For more demanding applications, reinforced or specialized versions of HDPE may be used.
HDPE (High-Density Polyethylene) offers superior strength, rigidity and chemical resistance compared to other polyethylene materials like LDPE (Low-Density Polyethylene). It has a higher tensile strength and is more durable under stress and pressure. Unlike LDPE, HDPE is less flexible but is more resistant to wear, moisture and UV degradation. Additionally, HDPE is ideal for applications requiring higher temperature resistance and load-bearing capacity.