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Semiautomatic Computerized LPM Machine MIGL-33CComputerized Semiautomatic Low Pressure Molding Machine for molding net shape ceramic, metal and wax parts for experimental or small production, using thermoplastic or thermosetting binders.
U.S. Patent N 4,416,603
All pressures and temperatures are controlled in computer mode and may be recorded during each cycle and stored on the hard drive for future analysis by other programs such as Excel or Lotus.
The computer operator interface program has been developed in LabView®, a National Instruments graphic programming language, which is cross platform compatible with Macintosh, IBM, or Sun.
The computer monitor has visual representation of the Machine control panel. Operation in the computer mode is done by pushing "buttons" and "switches" on the screen with the mouse.
The MIGL-33C in computer mode can work in:
The molding pressure is measured in the tank and the pressure transducer in the mold is not used. The pressure in the tank is preset and maintained at a constant level during molding.
The pressure is preset in the mold and feedback signal from a Piezo Pressure Transducer in the mold is fed to electronic pressure regulator which changes pressure in the tank of the machine to maintain preset pressure in the cavity of the mold.
Two analog outputs:
Eight analog inputs:
Modbus serial communication allows control and monitoring of three panel mounted temperature controllers:
Eight digital inputs/ outputs:
To monitor status of the machine.
Pressure data from mold and tank is graphed and displayed for each cycle. Date and time of the cycle along with system setpoints and temperatures for the cycle and the pressure data can be recorded to the computer hard drive.
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