Basically three plate injection molds have two parting line, two sets of guide pin and floating plate. Normally there is hexagonal screw or latch lock to limit distance of run on the guide pin. Since the injection mold have two parting planes, thesystem can be located on one side of floating plate or make special plate attached in floating plate, we called runner plate, on below carton it is marked in “AX” plate. Three plate molds are used because of their flexibility in gating location. This types of molds is flexible on gating location even use in multiple cavity.
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