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Thermoplastic polymer matrix composite laminates can be die cut, punched, cut, hot cut, reamed, roll-on deburred, honed, and polished. Punching is generally accomplished with steel molds and punch presses. Punching and shearing are carried out on standard metal processing equipment. The workpiece can be preheated or not preheated. However, these methods often have gaps, cracks, and potential delamination. The more brittle the material, the more serious these phenomena will be. Therefore, attention must be paid to the operating temperature. If necessary, the material can be properly preheated. The hot cutting technique uses hot wire or flame heating to melt the workpiece material on the cutting line. The thermal cutting feed rate must match the material melting speed. During honing and polishing, ensure that the workpiece does not overheat.
Other conventional mechanical processing methods for composite materials
Thermosetting polymer-based composite laminates can also be machined with other machines (automatic thread cutters, gear cutters, shaving machines, reaming machines, punches, punches, etc.) depending on the equipment used.