After the first component is injected and cools down, the mold is opened. The mold-halves in a two or four-stroke design are turned using a turntable on a moving platen. Then, the preform is flooded with polyurethane/polyurea while the first component is injected into the available cavity.
Sliding table technology
Sliding table technology is perfect for beginners with low unit quantities thanks to simple upgrading of existing KraussMaffei machines. The mold consists of a core side and two cavity sides. The two thermoplastic components and polyurethane/polyurea are injected sequentially.
Index plate technology
Thermoplastic is injected into the first cavity, which is part of the index plate. Then the preform is pushed forward and rotated. Retracting the index plate sets the preform on another mold core and floods both sides with polyurethane/polyurea. At the same time, the second cavity can be filled with thermoplastic.
Swivel plate technology
The mold parting lines lie behind one another. The injection unit and mixing head for the paint finishing system are across from each other in the machine axis. The swivel plate, which rotates around the vertical machine axis after the injection and is flooded with polyurethane/polyurea after the mold is clamped tightly, is located in the center section. At the same time, the next thermoplastic preform is created in the second cavity.