Maintain The Required Temperature Difference Between The Table

  • To maintain the desired temperature differential between the Table Mould(FURNITUREMOULD) and the plastic material, water circulates through holes or channels in the table mould. These holes or channels are referred to as flow channels or water channels, and a complete flow system is referred to as a circuit.

    During the embossing fill phase, the hottest material will be located near the entry point, the gate, and the coldest material will be located at the point furthest from the entrance. However, the temperature of the coolant increases as it passes through the table mould. Therefore, in order to achieve a uniform cooling rate on the moulding surface, the incoming coolant fluid must be positioned near the "hot" moulding surface and the channel containing the "heated" coolant fluid positioned on the "cold" moulding surface. nearby. However, as can be seen from the discussion below, it is not always meaningful to arrange the coolant circuit if unnecessary expensive table moulds are to be avoided.

    Units for water circulation are commercially available. These units are simply attached to the table mould by flexible hoses, and with these units the temperature of the mould can be kept within close limits. Tight temperature control is not achieved with an alternative system that connects the table mould to a cold water source.

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