CNC Machining with Delrin and Acetal Plastics

  • Date:
  • Views:21
  • Source:ZetPart



In the realm of precision manufacturing, selecting the right material is as critical as the machining process itself. For applications demanding high stiffness, low friction, and excellent dimensional stability, Delrin and other Acetal plastics (POM) stand out as premier engineering thermoplastics. For businesses seeking reliable, highvolume production of complex parts, understanding the advantages and machining nuances of these materials is key to unlocking superior product performance.


cnc machining center
Delrin, a renowned acetal homopolymer, is celebrated for its high mechanical strength, rigidity, and outstanding fatigue resistance. This makes it an ideal choice for components like gears, bearings, and conveyor belts that undergo continuous cyclic loading. Its low moisture absorption ensures that parts maintain their tight tolerances and dimensional integrity even in humid environments. Furthermore, Delrin's inherent lubricity and excellent wear resistance minimize the need for external lubricants, reducing maintenance in assemblies.

Acetal copolymers offer similar beneficial properties with enhanced thermal stability and improved resistance to hot water and strong alkalis. While slightly less rigid than the homopolymer, copolymers are exceptionally tough and exhibit lower porosity, making them suitable for intricate components in the food and beverage and medical industries.

The true potential of these materials is realized through highprecision CNC machining. At our onestop foreign trade CNC machining facility, we leverage advanced multiaxis CNC mills and lathes to fabricate complex Delrin and Acetal components with impeccable accuracy. The material's freemachining characteristics allow for highspeed cutting, resulting in excellent surface finishes, sharp edges, and minimal postprocessing. This efficiency is crucial for costeffective production runs, from prototyping to largescale orders.

However, successful machining requires expertise. Acetal plastics have a low thermal conductivity, meaning heat concentrates at the cutting tool interface. Our skilled machinists employ sharp, positiverake tools with polished flutes and optimized coolants (often compressed air) to efficiently evacuate chips and prevent melting or gumming. This meticulous approach ensures every part we produce meets the most stringent specifications for roundness, flatness, and dimensional consistency.

cnc machining online

Partnering with a specialist in CNC machining Delrin and Acetal means more than just receiving a part; it's about gaining a competitive edge. You benefit from components that are lightweight, quiet, durable, and resistant to chemicals and wear—all delivered with the speed and reliability that global commerce demands. Let us help you transform your designs into highperformance reality, driving growth for your products in markets worldwide.