The core and cavity should be cooled, not just the mold plates. Make sure that the mold does not bend or deflect when plastic is injected into the mold. Vent the Mold. The mold should be vented so air pressure does not build up during injection. Venting the runners and sprue will also help.
T here are four modes of operation for a molding machine.
Setup mode, Manual mode, Semi-automatic mode, and automatic mode. S etup mode is used to set up the mold in the molding machine. In this mode, the clamp will move slowly so the machine can be adjusted. M anual mode allows any operation to be performed with the machine. This helps in checking parameters for the mold and the mechanical operation of the machine.