How to Solve Chip Adhesion in Aluminum CNC Machining
Learn how to solve chip adhesion in aluminum CNC machining by optimizing cutting speed, depth of cut, and coolant, plus tool selection for better surf…
Dimensionally stable and low-friction — the pick for gears and bearings
POM (Polyoxymethylene), also known as Acetal or Delrin, is a high-performance engineering thermoplastic valued for its excellent dimensional stability, low friction coefficient, and outstanding wear resistance. It is ideal for precision mechanical components, gears, bearings, and sliding mechanisms.
POM machines exceptionally well, producing smooth, precise surfaces with tight tolerances. It offers excellent fatigue resistance and maintains its mechanical properties over a wide temperature range. POM is naturally white/black and can be reinforced with PTFE or glass fiber for enhanced properties.
Common applications include gears, bushings, rollers, valves, fittings, and electrical insulators. Its low moisture absorption ensures dimensional stability even in humid environments.
The following table lists typical mechanical, thermal, and physical properties for this material. Actual values may vary by grade and temper.
| Property | Value | Unit |
|---|
We stock multiple grades for different application needs. Each grade offers distinct properties optimised for specific uses — click to view detailed specifications, machining advice and typical applications.
Homopolymer acetal with excellent mechanical properties and dimensional stability; used in gears, bearings, and precision parts.
View Details Chemical ResistantCopolymer with better chemical and thermal stability than homopolymer, lower formaldehyde release; used in food and chemical industries.
View Details Reinforced25% glass fiber reinforcement for improved stiffness, strength, and creep resistance; used in structural and load-bearing applications.
View Details Low FrictionFilled with PTFE for extremely low friction and wear; suitable for sliding components, bushings, and high-speed gears.
View Details UV ResistantUV stabilized for outdoor applications, preventing aging and maintaining mechanical properties under sun exposure.
View Details ConductiveCarbon-filled for electrostatic discharge (ESD) protection; used in electronics manufacturing tooling.
View DetailsA selection of parts machined from this material.
This material is widely used across multiple industries for various applications, from precision prototypes to end-use production parts.
Surgical instruments, housings
Structural brackets, panels
Engine components, housings
Heat sinks, enclosures
Motor mounts, brackets
Fixtures, jigs, tooling
Frames, handles, cases
Fittings, valves, hardware
| Finish Type | Description | Ra (typical) |
|---|
The questions engineers ask most about machining, surface quality and selecting this material.
Related to POM (Acetal/Delrin)
Related to POM (Acetal/Delrin)
Learn how to solve chip adhesion in aluminum CNC machining by optimizing cutting speed, depth of cut, and coolant, plus tool selection for better surf…
Cutting 7075/6061 aluminum? Get validated speed/feed windows and tool strategies for precision mass production and on-time delivery.
Compare 6061 vs. 7075 aluminum for CNC machining, covering strength, cutting parameters, and finishes to balance cost and efficiency for precision par…
Related to POM (Acetal/Delrin)
By engaging DFM early and optimizing material selection, engineers can reduce machining time, scrap rates
In-depth guide to CNC machining covering 3/5-axis milling and turning. Optimized for engineers and buyers to enhance precision and efficiency.
Analyze aluminum CNC machining costs. Covers 6061/7075/5052 specs, process optimization, and DFM design to boost supply chain efficiency.
Related to POM (Acetal/Delrin)
Based on 72 CNC machines, here are 10 design rules for aluminum precision. Cover wall thickness, tolerance, and DFM to prevent scrap, ensure ±0.01mm a…
Learn how CNC tolerances impact aluminum part quality and cost. Explore ISO 2768, GD&T, and surface finish.
Expert CNC aluminum DFM guide: ISO 261 drill formulas, blind hole depth, & thread tolerances for reliable, aerospace-grade assemblies.
Send your STEP / DWG / PDF drawing and get a detailed quote with free DFM analysis and process recommendations within 2 hours. No minimum order — from 1 piece.