POM CNC Machining

POM CNC Machining

POM, the abbreviation of polyoxymethylene (Delrin/ Acetal), is an engineering thermoplastic that can be used in many mechanical applications.

CNC machined POM parts are highly suitable for applications that require high strength and rigidity, low friction, excellent creep and wear resistance, and dimensional stability.

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Our PC Materials

CNC PC is an ideal solution to produce parts that require high transparency, excellent impact strength, and dimensional stability. Polycarbonate CNC parts are highly recommended in many industries such as automotives, electronics, and construction, etc. Various surface finishing options are available for PC CNC parts.

Material Maximum Printing Size Standard Lead Time Tolerance Color

POM

1000*1000*600mm 4 Business Days 0.05/0.1 mm Black, White, Red, Green, Blue, Yellow

Material Performance

Material Performance

  • Superior Impact and Creep Resistance
  • High Strength and Stiffness
  • Low Friction
  • Excellent Machinability
  • Dimensional Stability
  • Low Moisture Absorption
Material Performance
Advantages

Advantages

  • Low cost. POM is an affordable material that provide lower cost compared other plastics.
  • Outstanding machinability. POM has great machinability with excellent mechanical properties, making it a popular plastic in manufacturing industry.
  • Highly versatile. Features such high strength, good fatigue strength, and superior rigidity make POM is highly recommended for mechanical applications.
  • POM can replace some traditional metal materials in CNC machining due to its superior material performance.

Applications

> Electrical Insulator Parts

> Medical Equipment

> Gears

> Rollers

> Connectors

> Bearings

> Fittings

Applications

How to CNC machining POM (Delrin/ Acetal)?

 

 
 

Step 1. Convert the CAD file into a language that CNC machines can work with, that's G-code.

 
 

Step 2. The operator will place the POM workpiece that is cut to a specific size on the machine bed. Then it is time to mount the POM workpiece on the machined bed or by a vice.

 
 

Step 3. As the computer controls the CNC cutting tools to move to the pre-set coordinates, so precise positioning and alignment of the POM workpiece is significant to manufacture high-accuracy parts. Special metrology tools, probes, for instance, are ideal solutions for this step.

 
 

Step 4. Then, the POM workpiece is ready for machining. The machine uses professional cutting tools and rotating the at high speeds to remove material from the workpiece. However, at the very first steps, the machine removes at a relatively low speed and accuracy to gain an approximate geometry.

 
 

Step 5. Sometimes, the model is not being to achieve full features by single setup from the cutting tools, then to flip the POM workpiece is necessary.

Frequently Asked Questions

1. How much does it cost to CNC machining POM parts?

Prices are based on the structure of the part, order volume, machining processes, etc. You can use our instant quoting engine to get price, or you can email hello@wenext.com for more information.

2. What is POM CNC machining?

POM CNC machining is the process of cutting and removing excess materials on the POM (Delrin/ Acetal) workpiece until the final object with desired geometries.

3. What kind of finishes are possible with POM CNC machining?

We provide various surface finishing options, including as machined, polishing, sandblasting, etc. Please check details Here.

4. What is POM?

POM (Polyoxymethylene), also Delrin, acetal, polyacetal, and polyformaldehyde, is an engineering thermoplastic. POM has excellent physical and mechanical properties, it is also widely known as metal plastic, super steel, etc. POM plastic has good comprehensive properties and machinability.

5. Is POM the same as Delrin?

Delrin is the trademark name for a series of acetal resins which are semi-crystalline thermoplastic polymers which are also known by the abbreviation POM or polyoxymethylene.

6. Is POM the same as acetal?

Acetal, also called polyacetal and polyoxymethylene (POM), is a semi-crystalline thermoplastic. Two general types acetals are acetal copolymer (POM-C), and acetal homopolymer (POM-H). Acetal homopolymer is commonly called Delrin.

7. Are acetal and Delrin the same thing?

Delrin is one type of acetal, acetal homopolymer, having a uniform backbone with a larger crystalline block structure than acetal copolymers providing better chemical bonding. So, Delrin has stronger properties and performance than acetal copolymer.

8. Does POM crack?

Featuring high strength, good fatigue strength, and superior rigidity, CNC POM parts resist cracks and deformation from mechanical stress over time.

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