bruce_qin@bishenprecision.com    +8618925702550
Cont

Have any Questions?

+8618925702550

Nov 13, 2025

Can POM be machined with a CNC waterjet cutter?

In the realm of modern manufacturing, precision and versatility are key factors that drive the selection of machining processes and materials. Polyoxymethylene (POM), also known as acetal or Delrin, is a high - performance engineering thermoplastic widely used in various industries due to its excellent mechanical properties, such as high stiffness, low friction, and good dimensional stability. Computer Numerical Control (CNC) machining is a popular method for shaping POM parts with high accuracy. Among the different CNC machining techniques, the CNC waterjet cutter is an interesting option. This blog post will explore whether POM can be machined with a CNC waterjet cutter, delving into the process, its advantages and limitations, and how our company, as a CNC Machining POM supplier, can offer solutions.

Understanding POM and CNC Waterjet Cutting

POM is a semi - crystalline thermoplastic that offers a unique combination of strength, durability, and chemical resistance. It is commonly used in applications where precision components are required, such as gears, bearings, and automotive parts.

CNC waterjet cutting is a non - traditional machining process that uses a high - pressure stream of water, often mixed with an abrasive material, to cut through various materials. The CNC system controls the movement of the cutting head, allowing for precise and complex shapes to be cut. The waterjet can cut through a wide range of materials, from metals to plastics and composites.

Can POM be Machined with a CNC Waterjet Cutter?

The short answer is yes, POM can be machined with a CNC waterjet cutter. The waterjet cutting process is suitable for POM because it is a non - thermal process. Unlike some other machining methods, such as laser cutting, which can generate heat and cause the POM to melt or warp due to its relatively low melting point (around 175 - 185°C), waterjet cutting uses the force of the high - pressure water and abrasive particles to remove material without significantly heating the POM.

Advantages of CNC Waterjet Cutting for POM

  1. Precision Cutting
    CNC waterjet cutters can achieve high levels of precision, with tolerances as low as ±0.1 mm or even better in some cases. This makes it possible to create complex geometries and detailed parts from POM, meeting the strict requirements of various industries. For example, in the production of small, intricate gears or custom - shaped components, the waterjet can cut the POM with the necessary accuracy.

  2. No Heat - Affected Zone
    As mentioned earlier, the non - thermal nature of waterjet cutting means that there is no heat - affected zone (HAZ) in the POM material. This is crucial because the HAZ can change the material's properties, such as its hardness and dimensional stability. By avoiding the HAZ, the integrity of the POM's mechanical properties is maintained, ensuring that the final part performs as expected.

  3. Versatility in Cutting Shapes
    The CNC control of the waterjet cutter allows for the cutting of virtually any shape. Whether it is a simple rectangle or a complex 3D contour, the waterjet can follow the programmed path to create the desired part. This versatility is especially useful for prototyping and custom - made POM parts.

  4. Minimal Material Waste
    Waterjet cutting is a relatively efficient process in terms of material usage. The narrow cutting kerf (the width of the cut made by the waterjet) reduces the amount of material that is removed during the cutting process. This is beneficial for cost - effectiveness, especially when working with expensive POM materials.

Limitations of CNC Waterjet Cutting for POM

  1. Surface Finish
    While waterjet cutting can produce a smooth surface on POM, the surface finish may not be as fine as that achieved by some other machining methods, such as milling or turning. The abrasive particles used in the waterjet can leave a slightly rough texture on the cut surface. However, this can often be improved through post - processing steps, such as sanding or polishing.
  2. Cutting Speed
    Compared to some other machining processes, waterjet cutting can be relatively slow, especially when cutting thick POM materials. The cutting speed depends on several factors, including the thickness of the material, the type of abrasive used, and the pressure of the waterjet. This may affect the overall production time and cost, especially for large - scale manufacturing.

Our Company as a CNC Machining POM Supplier

As a leading CNC Machining POM supplier, we have extensive experience in machining POM using various methods, including CNC waterjet cutting. We understand the unique properties of POM and how to optimize the waterjet cutting process to achieve the best results.

We offer a wide range of services related to CNC Machining POM, from prototyping to mass production. Our state - of - the - art CNC waterjet cutting machines are equipped with advanced control systems, allowing us to produce high - precision POM parts with complex geometries. We also have a team of experienced engineers and technicians who can provide technical support and advice throughout the machining process.

In addition to CNC waterjet cutting, we also offer other machining services for POM, such as CNC Machining PMMA and CNC Machining Nylon. This allows us to meet the diverse needs of our customers and provide comprehensive solutions for their plastic machining requirements.

Why Choose Our CNC Machining POM Services

  1. Quality Assurance
    We have a strict quality control system in place to ensure that all our POM parts meet the highest standards. Our quality control team conducts thorough inspections at every stage of the machining process, from material selection to final product testing. This ensures that our customers receive POM parts that are of the highest quality and reliability.
  2. Customization
    We understand that every customer has unique requirements. That's why we offer customized CNC Machining POM services. Whether you need a single prototype or a large batch of parts with specific dimensions and features, we can work with you to develop a solution that meets your exact needs.
  3. Competitive Pricing
    We strive to provide our customers with high - quality POM parts at competitive prices. Our efficient production processes and cost - effective material management allow us to keep our prices down without compromising on quality.

Contact Us for Your POM Machining Needs

If you are looking for a reliable CNC Machining POM supplier, look no further. We are committed to providing you with the best possible service and products. Whether you have a specific project in mind or just want to learn more about our CNC waterjet cutting services for POM, we would love to hear from you. Contact us today to discuss your requirements and start the process of creating high - quality POM parts.

CNC Machining PMMAPIC-17-removebg-preview(001)

References

  • "Engineering Plastics: Properties and Applications" by Charles A. Harper
  • "CNC Machining Handbook" by Peter Zelinski

Send Inquiry