In addition to the cooling channels, there are several other components that make up a cooling circuit, such as hoses, coolant inlets bubblers and baffles. Some are required while others are optional, depending upon the complexity of the model.
Complex geometry in plastic molds can create areas that are difficult to cool.
Hoses connect the cooling channels and enable the flow of coolant through the cooling circuit.
Bubblers and baffles are sections of cooling channels that divert the coolant flow to areas of the mold that cannot be cooled effectively by normal cooling lines.
Molds often have many individual cooling circuits which could require individual controllers to obtain optimum heat transfer.