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Sep. 03 to Current
Assistant Professor, Department of Manufacturing Engineering, University of Texas-Pan American, Edinburg , TX 78542 . Study on Adaptive gas-assisted injection molding control system. Principal investigator of UTPA Patent Committee
Sep. 02 to May 03
Lecturer, Department of Manufacturing Engineering, University of Texas-Pan American, Edinburg , TX 78542 . Study on extension of mold life by using low pressure injection molding technique. Teach Moldflow, Plastics Product Design and CAD. Academic advisor of two graduate students.
Jan. 00 to Aug. 02
Plastics Processing Manager, LG Electronics Texas , TX 78577
Set-up processing conditions. Process optimization. Start up new tools. Tool modification for better processing. Analyze scrapes to improve process.
Feb. 98 to Dec. 99
Plastics Design Manager, Zenith Electronics Texas , TX 78577
Reduce scrap generation of gas-assisted injection molding tools by modifying tools and processing conditions. Purchase tools from Asian countries. Follow-up on new tool purchase. Consult product and tool design to build high productive tools. Process approval of new tools. Link product designers and process engineers. Analyze Moldflow result for tool and product design. Tool inspection to resolve molding problems. Carried on resin change project. Directed 10 product designers.
Oct. 97 to Jan. 98
Post doctoral program, Dr. Francis Lai, Gasmold , MA 01854
Develop a gas injection control system
Jan. 93 to Sep. 97
Teaching Assistant, University of Massachusetts Lowell , MA 01854
IPI Computer Lab. Student Assistant, University of Massachusetts Lowell , MA 01854
Research Assistant, University of Massachusetts Lowell , MA 01854
Conducted research on gas-assisted injection molding(GAIM). Study included design of GAIM controller, data acquisition, Labview programming, C-Mold analysis and GAIM product design guidelines.
Conducted research on fuzzy logic control of injection molding machines. Comprehensive knowledge of injection molding process and computer skill were required. Study included writing fuzzy inference interpreter, injection molding trouble shooting and process control.
Sep. 89 to Aug. 91
Graduate Student Assistant, Inha University , Incheon, 425-751, Korea
Conducted research on the determination of the reactivity ratio in the gas-phase copolymerization of ethylene/-olefins. Wrote high level computer programs.
Conducted research on the devolatalization of Vac from EVA/VAc system. Wrote a data analysis program. Designed a sorption chamber with digital temperature controller and high temperature oil circulation system to determine the equilibrium solubility of the given system
May. 88 to Feb. 90
Researcher, KIST( Korea Institute of Science and Technology), Seoul , Korea .
Conducted a study on the synthesis of poly(phenylene sulfide)(PPS). Work included PPS synthesis and intensive characterization, designing of a lab scale extruder and installation of control equipment.
Mar. 86 to Aug. 88
Graduate Student Assistant, Inha University , Incheon, 425-751, Korea . Conducted a study on the determination of the composition and mass transfer resistance of the ethylene-propylene copolymerization in the solvent slurry reactor. Work included an intensive program development to estimate reactor conditions (pressure, mole fraction, volume, phase equilibrium, mass transfer resistance, etc.).
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