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Sequential Valve Gating
Rheo-Pro® sequential valve gate (SVG) systems offer precision timing of the individual valve gates opening and closing, enabling accurate control of the melt flow through the nozzle into the cavity. Sequential valve gating helps to control the injection molding process in a number of key areas: balance, flow control and flexibility.
Injection Sequence for Cascade Injection
Accurate Sequence Control
Mold Hotrunner Solutions® offers a flexible and user friendly program of high performance control solutions for all sequential fill plastic parts. From mold mounted air actuation units to wireless, browser based controls, Rheo-Pro® valve gate sequence controllers ensure consistent results for a wide range of injection molding projects.
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Balanced Parts
Achieve accurate part weight distribution control in family molds, tandem molds and stack molds producing different size parts with each shot. |
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Flow Control
Ensure fill and flow front control in the cavity and solve venting, weld line, shrink and/or part warpage issues. These processing details can be accurately addressed before mold designs are finalized using Mold Hotrunner Solutions® fill, pack, cool and warp analyses. |
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Flexibility
Make corrections on the go. When molding parameters, material viscosity or part designs change, SVG gives the mold operator the means to fine tune the processing conditions in mid-production using intuitive touch screen controllers such as the Rheo-Pro® CV08. |
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Rheo-Pro® VA400 Valve Gate Actuators |
