POM(Delrin/Acetal) CNC Machining Service

CNC machining is commonly used to process POM (polyoxymethylene), whose trade names are also known as Delrin and Acetal. POM is a high-performance engineering plastic with excellent mechanical properties, low friction, and good dimensional stability. CNC machining is ideal for POM, providing high accuracy and repeatability.

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CNC Machining POM Materials

CNC machining can use POM (Delrin/Acetal) to produce parts with excellent mechanical properties, accuracy and repeatability. We provide 3-axis and 5-axis CNC milling POM services.

Description

DetailsDescription
ApplicationsCNC machining produces parts with excellent mechanical properties, accuracy and repeatability from metal and plastic. 3-axis & 5-axis CNC milling available.
StrengthsExcellent mechanical properties,High accuracy & repeatabillity
WeaknessesGreater geometry restrictions than 3D printing
Surface OptionsPolishing, Painting and coating, Printing, Embossing and embossing, Texturing, Clear coating, Anti-static coating, Plating (metal inserts)

Characteristics

DetailsDescription
Price$$$
Lead Time<10 Days
Wall Thickness0.75mm
Tolerances±0.125mm (±0.005″)
Max part size80 x 60 x 40 cm

Fast CNC machining of POM parts using my own factory and network of partner suppliers

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POM Materials

POM (Polyoxymethylene / Acetal)

A high-performance engineering thermoplastic with excellent stiffness, low friction, and dimensional stability. Commonly used for gears, bearings, bushings, and precision mechanical components requiring wear resistance and chemical stability.

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What We Can Do ?

Check out our extensive gallery that shows precision machined prototypes and parts from our valued customers.

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CNC Machined POM

CNC machining is ideal for POM, providing high accuracy and repeatability. Correct tool selection, cutting parameters and machining strategies are critical to obtaining the best results in terms of surface finish, dimensional accuracy and overall part quality. Working with experienced CNC machinists and providing detailed design specifications helps ensure successful production.

POM Machine Shops

If you are looking for a machine shop that specializes in machining POM (polyoxymethylene) or Delrin/acetal parts, you can contact a Rapid Protos engineer to request a quote. Pricing based on drawings, quantity and delivery time

POM Machining Services

We provide complete POM machining services and can produce complex POM parts. We work with nearly all types of CNC mills and turning centers, machining from simple blanks to complex organic geometries with tight tolerances. With our aluminum CNC machining services you can apply up to 7 different post-processing/surface treatment options including Polishing, Painting and coating, Printing, Embossing and embossing, Texturing, Clear coating, Anti-static coating, Plating (metal inserts).

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Frequently Asked Questions

The cost of CNC machining a POM depends on the complexity and size of the part and the type of POM. These variables will affect the type of machinery needed, the time it takes to produce the part, and the cost of raw materials. Upload 3D drawings to get a detailed quote quickly.

Polyoxymethylene (POM), known as acetal, polyformaldehyde, and polyacetal, is one of the plastic materials that has many benefits when it comes to CNC machining parts. This plastic has gained popularity across several industries with its exceptional qualities, advantages, and various uses.

CNC machining of POM (polyoxymethylene) (commonly known as Delrin or Acetal) involves using computer numerical control (CNC) machines to cut and shape the POM material into precision parts. Here are the steps involved in CNC machining a POM:

### 1. **Material Selection:**
– Select the appropriate POM grade based on your specific application requirements. POM is available in a variety of formulations, each with different properties.

### 2. **CAD model creation:**
– Use computer-aided design (CAD) software to design the part you want to create. Make sure your design considers the capabilities and limitations of CNC machining.

### 3. **Tool path generation:**
– Use CAM (Computer Aided Manufacturing) software to generate tool paths based on your CAD model. Tool paths determine how a CNC machine tool’s cutting tools move to shape material.

### 4. **Tool Selection:**
– Select cutting tools suitable for machining POM. Carbide cutting tools are widely used due to their hardness and wear resistance.

### 5. **Artifact Settings:**
– Securely mount the POM workpiece on the CNC machine. Proper clamping is essential to prevent vibration and ensure accurate machining.

### 6. **Tool settings:**
– Install the selected cutting tool on the CNC machine. Set tool offsets and ensure the tools are properly aligned.

### 7. **CNC machine settings:**
– Set up CNC machines by loading CNC programs generated in CAM software. Configure machine settings, including cutting speeds, feeds, and coolant systems.

### 8. **Tool path simulation:**
– Before starting the actual machining process, simulate tool paths to ensure they are correct and have no collisions or errors.

### 9. **CNC machining:**
– Start the CNC machine and start the machining process. The machine will cut and shape the POM workpiece following programmed tool paths.

### 10. **Monitoring:**
– Monitor the machining process for any problems and make adjustments as necessary. Check that the chips are ejected correctly to prevent them from getting entangled.

### 11. **Coolant usage:**
– Coolant is used during machining to dissipate heat and improve surface finish. POM machining generates heat, and adequate cooling helps prevent material melting and tool wear.

### 12. **End pass:**
– Consider finishing passes to achieve the desired surface finish. Finishing cutting tools and optimized tool paths can improve the quality of the final part.

### 13. **Deburring:**
– After machining, deburr edges and remove any sharp edges or burrs on machined POM parts.

### 14. **Check:**
– Check the dimensional accuracy and surface finish of machined parts. Ensure the final part meets specified tolerances.

### 15. **Cleaning:**
– Clean machined parts to remove residual chips or coolant.

### 16. **Post-processing:**
– Depending on the application, additional post-processing steps may be required, such as painting, coating or assembly.

By following the steps below, you can CNC machine a POM to create precise and high-quality components. To obtain optimal results, material properties, tool selection and machining parameters must be fully understood. Working with an experienced CNC machinist and providing detailed design specifications contributes to the success of the machining process.