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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 |
A strong, durable plastic with high wear and chemical resistance.
A durable, low-friction plastic with high wear resistance.
Clarwe provides a wide range ofsurface finishes through its delrin 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 delrin parts.
Delrin (also known as acetal) is a high-performance thermoplastic known for its strength, stiffness, and excellent wear resistance, making it an ideal material forCNC machining . Delrin is commonly used for precision parts in industries such as automotive, aerospace, and manufacturing due to its dimensional stability and low friction properties. When machining Delrin, CNC routers and mills can be used to cut, drill, and shape it into complex parts with high accuracy. Its inherent toughness and minimal moisture absorption also make it suitable for applications that require high load-bearing capabilities and resistance to wear, such as gears, bearings, and bushings.
CNC machining of Delrin requires careful attention to speed, feed rates, and tool selection to prevent issues such as material melting or poor surface finish. Delrin has a relatively low melting point compared to other engineering plastics, so it is important to manage the cutting conditions to avoid thermal degradation. Additionally, Delrin's relatively low thermal conductivity means that the material can heat up quickly during machining, which can lead to deformation or dimensional instability. Proper cooling systems, such as air or mist cooling, are often utilized to maintain material integrity and produce accurate, smooth components.
CNC machining processes for Delrin typically involve cutting, milling, drilling, and turning to produce high-precision parts. In cutting, CNC routers or mills are used to shape Delrin sheets or blocks into the required dimensions, with attention to cutting speeds and feed rates to ensure clean edges and prevent overheating. Milling operations are commonly used to create complex contours or grooves in Delrin, with carbide tools often preferred for their durability and sharpness. Drilling is used to make accurate holes in Delrin components, ensuring that the material remains intact and free from cracks. CNC turning can also be used to machine Delrin into cylindrical parts, such as bushings or shafts, with high precision.
To maintain optimal performance during machining, Delrin should be processed with sharp tools to avoid issues like surface scoring or dimensional inaccuracies. Since Delrin is prone to heat buildup during machining, it is essential to use proper cooling techniques, such as air or mist cooling, to ensure a clean cut and prevent overheating. Additionally, the material’s low coefficient of friction allows it to be used in applications where reduced wear and tear are essential, such as for moving components like gears and bearings. With the right machining parameters and techniques, Delrin can be used to produce highly precise, durable parts.
Post-processing of Delrin is often required to improve surface finish, remove sharp edges, or further refine the final part. One common post-process is sanding, which smooths out any rough surfaces or edges left from machining. Sanding is typically done using progressively finer grit sandpapers to achieve a smooth finish that is free of imperfections. After sanding, parts may undergo polishing to further enhance the surface appearance, particularly when a glossy finish is desired. Polishing Delrin parts can also help improve their wear resistance, ensuring that the components last longer in service.
In addition to sanding andpolishing , assembly may be needed for Delrin components, especially when multiple parts must be joined together. Delrin can be assembled using mechanical fasteners or adhesives designed for use withthermoplastics . While Delrin is not commonly welded, ultrasonic welding or solvent welding may be employed in certain cases for joining parts. These post-processing steps ensure that Delrin components meet the required specifications for performance and aesthetic standards, particularly for applications in industries such as automotive, aerospace, and precision manufacturing.
High Durability: HDPE is known for its strength and resistance to impact, making CNC machined HDPE parts long-lasting and tough.
Chemical Resistance: HDPE is resistant to a wide range of chemicals, oils, and solvents, making it suitable for applications in harsh environments.
Lightweight: HDPE is a lightweight material, reducing the overall weight of components without compromising strength, ideal for transportation and handling.
Low Friction: It has a low coefficient of friction, reducing wear and enhancing the performance of moving parts such as bearings and gears.
Good Machinability: HDPE is easy to machine with standard CNC equipment, allowing for precise and cost-effective production of complex parts.
Weather Resistance: HDPE is resistant to UV radiation and weathering, making it suitable for outdoor and exposed applications.
Non-Toxic: HDPE is non-toxic, which makes it safe for use in food processing and medical applications.
Flexibility: It offers a good balance of rigidity and flexibility, allowing it to withstand deformation without breaking under stress.
Recyclability: HDPE is recyclable, making it an environmentally friendly choice for applications requiring sustainability.
Piping and Plumbing: HDPE is widely used in the manufacture of pipes and fittings for water supply, drainage, and gas distribution systems.
Conveyor Components: HDPE is used in the production of conveyor belts, rollers, and other components in material handling systems due to its wear resistance and low friction.
Chemical Storage: It is used to make tanks, containers, and other storage systems for chemicals and corrosive substances due to its chemical resistance.
Food Processing: CNC machined HDPE is used in food production equipment like cutting boards, trays, and packaging components due to its non-toxic properties.
Marine Parts: HDPE is applied in marine environments for making fenders, docks, and various boat parts due to its resistance to water, chemicals, and weather.
Wear Parts: Used for the production of wear-resistant components like liners, bushings, and bearings in industrial machinery.
Construction and Infrastructure: HDPE is used for manufacturing barriers, protective coverings, and various structural components due to its toughness and weather resistance.
Medical Equipment: Used in the production of medical components that require durability, chemical resistance, and safety, such as storage containers and protective covers.
Yes, Delrin can be laser cut, offering precise and clean cuts for various applications. Laser cutting is ideal for thin sheets of Delrin and can achieve intricate shapes with minimal material waste. However, proper ventilation is necessary to avoid fumes that may be produced during cutting. It’s important to use the correct laser settings to prevent melting or deformation of the material.
Delrin has a temperature tolerance range of approximately -40°C to 120°C (-40°F to 248°F). It retains its strength and dimensional stability within this range, making it suitable for various mechanical applications. While it can handle higher temperatures for short periods, prolonged exposure to heat may lead to deformation. For higher heat resistance, reinforced or specialized grades of Delrin may be used.
When machining Delrin, it's important to account for its tendency to expand with heat, so proper cooling is essential. Use sharp tools and slower cutting speeds to avoid excessive heat buildup and ensure smooth cuts. Delrin has low friction, so lubricants may be necessary for certain applications. Additionally, design parts with proper support to minimize stress and prevent warping during machining.