The mold was built with 8 cavities, but part of the mold have three positions with out support for the Z puller, the pressure inside of the cavity cause, bending the screw and the injection gate is closed, when this happen, the cavity is closed, then the mold need to run more time to complete the full order. When one cavity is closed 6000 are not produced in only one week, the cost for each one 0.19 Dlls.At the end of the production three cavities finish closed.