POM (Delrin) CNC Machining Service
Get high-quality Polypropylene (PP) CNC machined parts with excellent chemical resistance, lightweight performance, and durability. Our precision machining capabilities deliver custom PP components with accurate dimensions, smooth finishes, and reliable performance for various industrial applications.
POM (Delrin) in CNC Machining
POM (Polyoxymethylene), also known as Delrin, is a high-performance thermoplastic valued for its strength, rigidity, low friction, and excellent machinability. Its strong wear resistance and dimensional stability make it suitable for precision CNC machined components.
CNC machining allows POM to produce accurate parts with smooth surfaces and complex geometries. It is commonly used for automotive components, electronic parts, consumer products, gears, bearings, bushings, and industrial machinery where low friction and reliable performance are important.
| Available POM | High-quality POM material in various grades to suit diverse applications |
| 价格 | $ |
| 准备时间 | Under 10 days |
| 壁厚 | Minimum 0.8 mm |
| 公差 | ±0.125 mm (±0.005 in) |
| 最大部件尺寸 | 1200 × 500 × 150 mm |
POM (Delrin) CNC Machining Materials
Machined POM Properties
POM (Delrin) is an engineering thermoplastic valued for its strength, stiffness, low friction, and excellent machinability. These properties make it suitable for precision CNC machined components that require dimensional stability and reliable wear performance.
Advantages and Limitations POM (Delrin) CNC Machining
POM (Delrin) offers excellent dimensional stability, low friction, and wear resistance, making it suitable for precision CNC machined parts. However, it also has some limitations to consider during material selection.
- High Dimensional Stability:
POM maintains accurate dimensions and performs consistently under changing operating conditions, making it suitable for precision components. - Low Friction:
Its low friction coefficient makes POM ideal for gears, bearings, bushings, and other moving parts that require smooth operation. - Excellent Wear Resistance:
POM withstands repeated movement and friction, helping extend the service life of components used in demanding applications. - Good Chemical Resistance:
POM resists many solvents, oils, and fuels, making it suitable for automotive and industrial environments. - Excellent Machinability:
POM cuts cleanly and allows manufacturers to produce precise, complex components with smooth surface finishes.
- Susceptibility to Cracking:
POM can crack under excessive stress or impact, particularly when used in demanding mechanical applications. - Higher Material Cost:
POM can cost more than some other engineering plastics, which may affect material selection for budget-sensitive projects. - Tool Wear:
Some POM grades can contribute to tool wear during machining, requiring appropriate tooling and machining parameters.
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数控加工公差
我们的数控机床以符合行业标准的精密公差运行，确保每个部件都始终如一地精确，并与其他部件完美配合。.
| 功能类型 | 典型公差 |
|---|---|
| 一般尺寸公差 | ±0.025 mm (±0.001″) |
| 高精度公差 | ±0.005 mm (±0.0002″) |
| 孔直径（钻孔） | ±0.05 mm (±0.002″) |
| 孔直径（扩孔/钻孔） | ±0.01 mm (±0.0004″) |
| Shaft Diameter (Turned) | ±0.01 mm (±0.0004″) |
| 平整度 | 每 100 毫米 0.02 毫米 |
| 并行性 | ±0.02毫米 |
| 垂直度 | ±0.02毫米 |
| 表面粗糙度 (Ra) | 1.6–3.2 μm (63–125 μin) |
| 位置公差 | ±0.01毫米至±0.02毫米 |
| 螺纹公差（切削） | 6H / 6g（ISO）或 2A/2B（ANSI）级 |
| 最小特征尺寸 | 0.5 mm (0.020″) |
| 重复性 | ±0.005 mm (±0.0002″) |
Polypropylene CNC Machining FAQs
Are POM and Acetal the same material?
POM is a type of acetal thermoplastic known for its strength, stiffness, low friction, and excellent machinability. Acetal is the broader material family, while POM is the chemical name commonly used for acetal plastics.
Is POM the same material as Delrin?
POM and Delrin belong to the same material family. Delrin is a specific brand of POM, while other manufacturers offer POM under different trade names and grades.
Are Acetal and Delrin interchangeable terms?
They are related but not exactly interchangeable. Acetal refers to a broader category of engineering plastics, while Delrin is a specific branded acetal material. The exact properties can vary by grade and manufacturer.
Is POM susceptible to cracking?
POM can crack under excessive stress, impact, or unsuitable operating conditions. Proper part design, machining parameters, and material selection can help reduce the risk of cracking.