This situation demands for use of carbide-tipped tools for machining of a normal grade of PEEK and diamond-tipped tools for carbon fiber reinforced PEEK grades. PEEK grades that are reinforced using carbon fiber have a more adverse effect on tools.
Both petroleum-based and water-based coolants can be used.Īnother important factor to consider is tool abrasion during machining PEEK as compared to machining other few Plastics compatible. These preventive measures include peck drilling, coolant-fed drill bits, and the usage of enough coolant during all of the machining processes. That calls for employing techniques to avoid problems due to inefficient heat dissipation by the material. PEEK, high-heat engineering plastic, does not dissipate the heat produced during the machining process adequately. This necessitates the usage of fixtures during machining to ensure accurate machining. PEEK is considerably stronger and stiffer than most polymers, but softer than most metals. These requirements differ based on the grade of PEEK materials being used and complete details in this regard are provided by the manufacturer of that certain grade. Before starting the machining process, there are special annealing requirements that must be met to avoid internal stress and heat-related cracks during machining. PEEK machining provides high accuracy and repeatability.ĭue to the high melting point of PEEK, faster feed rates and speed can be employed during the machining process as compared to other polymers. Medical grade, as well as industrial grade PEEK, can be machined. Mold PEEK materials can be machined to obtain complex geometric profiles.
#MACHINING PEEK PLASTIC MATERIAL CODE#
The main advantage of these machines originates from the ability to control the machine through computer-generated code through advanced controllers.ĬNC machining offers the opportunity to create geometries, which are complex while meeting the required geometric tolerance limits, of different materials ranging from plastics to metals. CNC (Computer Numeric Control) machining consists of different variants of multi-axis milling, turning, and Electric Discharge machines (EDM) to obtain desired geometric profile.
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