DF Valve Gate systems are offered for both hydraulic and pneumatic actuation. The robust and compact cylinder design allows closer centers and consistent repeatability. Both the hydraulic and pneumatic versions of the actuation cylinders mount directly onto the manifold. This feature makes it unnecessary to remove the valve pins before removing the entire system from the mold. This feature also allows INCOE® DFQ hydraulic Valve Gate systems to be supplied as a completely self-contained unit, both pre-plumbed and pre-wired.
Pneumatic DF Valve Gate systems are ideal for clean room molding applications such as medical disposables. Zero gate vestige is usually mandatory, and the pneumatic actuation allows consistent and rapid closing of the valve pin, complimenting part weight and dimension requirements.
DF Valve Gate Performance Features:
zero gate vestige
cycle time reduction by fast filling and only partial use of hold pressure
no freezing, stringing or drooling of gates at start up or interruptions
low melt stress and low part distortion
elimination of weld lines when used with Gate Sequence Control (GSC)
elimination of folds in back-molding applications with GSC
balanced filling of different size parts in family molds
DSV Single Valve Gate
The new style DSV is a modular design using proven standard components, optimizing function, reliability, and service. Melt flow orientation and temperature profile is optimized, improving gate and molded part quality. The new DSV can be operated pneumatically or hydraulically. Options include mounted electric and/or pneumatic / hydraulic connections. The DSV offers 3 flow sizes; 8, 12 and 18 mm and nozzle lengths up to 250 mm for small to high shot weight and difficult processing resins.
Back-to-Back Valve Gate
Compact yet functional designs are a necessity for stack mold applications. Common valve gate designs require the cylinders that operate the valve gate to be off-set in order to reduce stack height dimensions. Still this design generally results in larger molds and perhaps injection molding machine size. INCOE®'s new back-to-back design eliminates the offset requirement while making no compromise in stack height and presents the potential for cost savings in mold construction.
|
|
|
|
|
