Controllers target valve gates or hot-runner temperature

摘要

A new controller for sequential valve gates (SVG),and a new temperature controller were introduced recently by Mold-Masters Ltd.,Georgetown,Ont.New timer-based SVG controllers are said to be less costly than systems that open and close the pins based on screw position.The new TempMasterSVG controllercomes in three standard sizes of four (VT-4),eight (VT-8),and 16 zones (VT-16).