Method and device for producing hardened moulded components
The method for the production of hardened mold components (5) such as structural- or body making parts of motor cars, comprises heating a metal printed circuit board, subsequently transforming in mold cavity (4) of a thermoforming tool (1) to mold component and then hardening through contact with a...
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Format: | Patent |
Sprache: | eng ; fre ; ger |
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Zusammenfassung: | The method for the production of hardened mold components (5) such as structural- or body making parts of motor cars, comprises heating a metal printed circuit board, subsequently transforming in mold cavity (4) of a thermoforming tool (1) to mold component and then hardening through contact with a coolant in the mold cavity of the thermoforming tool, where the coolant is guided through flow channels (7, 8) into the mold cavity. The aggregate condition of the coolant is adjustable. The coolant is supplied with a pressure of up to 25 MPa into mold cavity. The method for the production of hardened mold components (5) such as structural- or body making parts of motor cars, comprises heating a metal printed circuit board, subsequently transforming in mold cavity (4) of a thermoforming tool (1) to mold component and then hardening through contact with a coolant in the mold cavity of the thermoforming tool, where the coolant is guided through flow channels (7, 8) into the mold cavity. The aggregate condition of the coolant is adjustable. The coolant is supplied with a pressure of up to 25 MPa into mold cavity. The mold component is partially cooled with the coolant, whose pressure lies above the vapor pressure of the coolant. The time duration of the coolant supply and/or the height of the pressure are varied. The component temperature of the mold component is measured in the mold cavity and the tool temperature is measured in the area of the contact surface (9) of the mold cavity. The starting time and end time of the coolant supply is controlled in dependent upon the component temperature and/or the tool temperature. The coolant distribution is variably controllable in the mold cavity. The first area of the mold component is subjected with the coolant and the second area of the mold component is not subjected with the coolant or the first area or the second area is subjected with the coolant. The mold component is fixedly held after the reception from the thermoforming tool in a cooling station. The coolant is supplied with a pressure in the mold cavity, and the pressure is adapted during the cooling phase at the vapor pressure of the coolant in control-technical manner. The pressure and/or temperature control is adjusted in dependent upon a temperature measurement on mold component in the thermoforming tool and/or temperature measurement on the thermoforming tool. The coolant is intermittently sprayed in the mold cavity. An independent claim is included for a |
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