Machining Center Tool Magazine Software Evaluation Using an Orthogonal Array

Abstract

Tool system software for a tool magazine in a machining center was evaluated by combining machine states with starting commands, using an L₁₈ orthogonal array. As a result, by the addition of combinations of machine states and starting commands that the designers had not anticipated, and which were not included in the conventional tests carried out on the basis of the operating specifications of the tool system, software bugs were discovered more efficiently than before.