WARDJet’s (Tallmadge, Ohio) new pneumatic drill was developed as a solution to the problem of delamination of some composites when waterjet cutting is initiated. The pneumatic drill, which can be mounted on any of the company’s waterjet cutting systems, cuts a hole through the material at a specific offset from the waterjet cutting head. Once the hole is drilled, the waterjet can start the cut inside the predrilled hole, thus avoiding delamination. A CAD/CAM package available with the drill automates the entire process. The pneumatic drill requires an air compressor capable of 25 cfm at 90 psi.
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