1/27
Fill-in-the-blank practice flashcards covering the components and anatomy of a closed injection mold assembly from Penn State Behrend's PLET 222 Molds I course.

In the PLET 222 mold diagram, the assembly shown in Figure A illustrates the injection mold in the __________ state.
Mold Closed
The stationary plate located at the very top of the mold assembly that secures the mold to the machine platen is the __________.
TOP CLAMPING PLATE
The plate positioned directly below the top clamping plate that houses and secures the mold cavity is the __________.
CAVITY RETAINER PLATE
In Figure A, the female molding block that shapes the exterior of the molded plastic part is the __________.
CAVITY
The molded component formed in the space between the core and cavity is labeled as the __________.
PART
The male molding block that forms the interior surfaces of the molded part is the __________.
CORE
On the mold diagram, the interface where the cavity half and core half separate is denoted by the abbreviation __________.
PL
The plate situated directly below the parting line that holds and aligns the core block is the __________.
CORE RETAINER PLATE
The sealing element located along the cooling circuit between plates to prevent fluid leakage is the __________.
GASKET
The plate located directly below the core retainer plate that provides rigidity and resists injection pressures is the __________.
SUPPORT PLATE
The cooling component positioned inside the core channel to direct coolant flow up and over is the __________.
BAFFLE
The fitting used to seal the entry or terminus of drilled water passages is the __________.
PLUG
The slender cylindrical pins that extend through the core to push the molded plastic part off the core are the __________.
EJECTOR PIN
The spacer blocks that separate the support plate from the bottom clamping plate to create an ejection clearance cavity are called the __________.
PARALLEL
The structural plate at the base of the mold that fastens the movable mold half to the machine platen is the __________.
BOTTOM CLAMPING PLATE
The cylindrical column positioned between the bottom clamping plate and support plate to minimize plate deflection is labeled as the __________ in the diagram.
SUPPORT PILLER
The lower plate of the ejector assembly upon which the ejector retainer plate rests is the __________.
EJECTOR PLATE
The plate fastened on top of the ejector plate that retains the heads of ejector and return pins is the __________.
EJECTOR RETAINER PLATE
The circular ring positioned on the top clamping plate to align the sprue bushing with the machine nozzle is the __________.
LOCATING RING
The hardened steel component containing the tapered passage through which melt enters the mold is the __________.
SPRUE BUSHING
The vertical resin pathway that delivers molten plastic from the sprue bushing into the mold system is the __________.
SPRUE
The pin located directly below the sprue that pulls the solidified sprue out of the bushing during mold opening is the __________.
SPRUE PULLER
The precision cylindrical post used to align the mold halves during closing is the __________.
GUIDE PIN
The sleeve inserted into the mold plates to receive and guide the guide pin is the __________.
GUIDE PIN BUSHING
The drilled internal channels through which coolant circulates to regulate mold temperature are designated as the __________.
COOLING LINE
The pin that contacts the cavity retainer plate during mold closure to push the ejector plates back into molding position is the __________.
RETURN PIN
The pin that guides the linear movement of the ejector plate and ejector retainer plate is the __________.
EJECTOR GUIDE PIN
The Penn State Behrend course number for which this 'Molds I' diagram is provided is __________.
PLET 222