Machining of Plastics |
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Common terms and phrases
abrasive abrasive wheel angle of 27 appearance becomes carbide chip formation chips formed chips produced circular saw continuous chips cracks critical rake angle cut surface cutoff cutting conditions cutting direction cutting speed cutting tool cutting-off decreases depth of cut diameter discontinuous drilled holes drilling conditions edge effects exit Feeding load feeding speed Figure finishing friction function gumming heat helix angle increases indicates inner surface kinds Kobayashi lines m/min machining material methods mm/rev negative nylon observed obtained occur operations perpendicular plastics point angle polycarbonate polyethylene polymethyl methacrylate polystyrene produced range Relationship relatively resin rigid rotational drill speed roughness seen in Fig shear shown in Fig shows side similar specific cutting force stress Table temperature thermoplastics thermosets thickness thrust tool tooth depth Torque type of chip usually vary wear wheel Δ Δ Δ