Resumen
Method for designing the ejection rod system for an injection mold comprising: creating a grid of flat nodes (nk) on a plane perpendicular to the movement of the mold cavity; determine the points (pij) of the piece (m ') corresponding to the intersection with a line (rt) perpendicular to the plane passing through each node (nk); calculate the thickness (eij) corresponding to each point (pij); identify the points where they exist (pijr) and where there are no (pijv) thickness changes; determine as points (pijexp) candidates those points (pijv) whose first surrounding surface does not contain any point (pijr); calculate the number of points (pijr) contained in a second surface surrounding each point (pijexp), where the second surface is greater than the first surface; and select as points (pijexpo) of expulsion those points (pijexp) whose number of points (pijr) contained in the second surface constitutes a local maximum. (Machine-translation by Google Translate, not legally binding)