Method of injection or diecasting mold temperature control
OwnerWerner Kotzabinventor
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Abstract
In a method of controlling the temperature of an injection or diecasting mold, the respective temperature of the mold being detected by at least one sensor and compared to a set point and coolant, in particular cooling water, being metered and added through cooling channels disposed in the mold in dependence on detected overshooting or undershooting of the set point, it is provided, with a view to avoiding any overswinging of the control, that opening the valves for metering the coolant is allocated to one threshold and closing the valves to the other.
Claims4
A method of controlling the temperature of an injection or diecasting mold, the respective temperature of the molding being detected by at least one sensor disposed in a cooling channel and compared to a set point and coolant being metered and added through cooling channels disposed in the mold in dependence on detected overshooting or undershooting of the set point, wherein, for regulation, two different temperature thresholds are preset so that opening the valves for metering the coolant is allocated to one threshold and closing the valve to the other threshold, wherein the temperature threshold Tclosed for closing the respective valve is above the temperature threshold Topen for opening the valve.
A method of controlling the temperature of an injection or diecasting mold, the respective temperature of the mold being detected by at least one sensor and compared to a set point and coolant being metered and added through cooling channels disposed in the mold in dependence on detected overshooting or undershooting of the set point, wherein, for regulation, two different temperature thresholds are preset so that opening the valves for metering the coolant is allocated to one threshold and closing the valve to the other threshold, wherein a second of said temperature thresholds is given by being defined by a certain time interval, to be pre-set, after the overshooting or undershooting of a first of said temperature thresholds.
Dependencies are inferred from the claim text.