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MACHINING HIGH-PERFORMANCE PLASTICS

Virtually every standard enclosure will need machining to create apertures for controls, LEDs or a display – or for extra ventilation. Perhaps extra PCB mounts will need to be added (or pillars may need to be removed to create space).

Advances in CNC machining make it possible to achieve incredibly precise cuts and finishes on customised plastic enclosures. This has enhanced accuracy, quality and consistency – particularly on plastics that have traditionally been more difficult to machine.

Plastics can be both easier and harder to machine than metals, depending on the characteristics of the polymer and the machining process involved. Thermoplastics may be softer and lower density than metal but they also present unique challenges.

One such drawback is plastics’ tendency to melt, deform or warp due to heat build-up. They can soften, melt or become discoloured when subjected to excessive heat during machining. ABS or ASA can easily warp or smear when exposed to excessive cutting heat. As plastic begins to weaken, it can stick to the cutting tool or create unwanted burrs. This makes it harder to remove material cleanly – potentially affecting the precision of the machining.
 
So it pays to partner with an experienced enclosures manufacturer like OKW that carries out all machining and other customisation work in-house. One trusted supplier is fully accountable for quality and consistency from start to finish.

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