Coromill Plura Composite 2P350: Milling of composites

Overcoming Fibrous Hurdles New Sandvik Tool Mills Composites Even More Economically

2026-04-08 Source: Sandvik Coromant | Translated by AI 1 min Reading Time

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With the Coromill Plura Composite 2P350, Sandvik Coromant is launching a new milling tool that is ideally equipped for machining abrasive composite materials ...

For the machining of fiber-reinforced plastics (FRP), such as carbon fiber-reinforced (CFRP) and glass fiber-reinforced (GFRP) types, you can't just use any milling cutter. That's why there is the Coromill Plura Composite 2P350 from Sandvik Coromant.(Image: Sandvik Coromant) — For the machining of fiber-reinforced plastics (FRP), such as carbon fiber-reinforced (CFRP) and glass fiber-reinforced (GFRP) types, you can't just use any milling cutter. That's why there is the Coromill Plura Composite 2P350 from Sandvik Coromant.
(Image: Sandvik Coromant)

Compared to metal cutting, machining composite materials presents a number of challenges. These are delamination (split fiber layers), uncut fibers (fraying), vibrations and relatively fast tool wear. Sandvik Coromant has therefore developed the Coromill Plura Composite 2P350, which can counter these problems with its patented double-cutting mechanism. This enables a controlled, scissor-like cutting action, for example, which leads to stable and predictable machining, as the Swedes explain. The new O2AD grade has therefore also been specially developed for machining abrasive composite materials. The strong adhesion between the CVD diamond coating and the customized substrate ensures first-class performance with consistent quality. Results from practical tests show a tool life that is up to 100 percent longer compared to the previous O12M grade, as Sandvik Coromant emphasizes.

Quality Improvements Await Many Who Machine Composites

According to the manufacturer, the Coromill Plura Composite 2P350 is also suitable for a wide range of demanding composite applications, including slot milling, angular plunging and edge milling. Its large chip channel volume, which ensures efficient chip removal and therefore high cutting performance, should also be noted. At the same time, the low-vibration cutting behavior ensures low noise levels during machining. This is an attractive milling system for aerospace companies that manufacture and machine fuselage structures, wings, stabilizers, spars, ribs and frames, for example, if they want to improve quality. The automotive, defense, aerospace and marine industries could of course also benefit from the clear performance advantages of the Coromill Plura Composite 2P350 tool. Sandvik notes that one of the most common feedbacks is that composite milling— regardless of the machining conditions, workpiece or tool holder—simply worked very well.

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