OBJECTIVE
To obtain a mechanical engineering design and analysis position in a challenging environment of product development and improvement utilizing the experience and knowledge in CAD, FEA, design optimization, design validation and project development & management
To pursue new and innovative design solutions in product development
ENGINEERING DESIGN & ANALYSIS AND PROJECT DEVELOPMENT HIGHLIGHTS
Structural shape optimization for drilling rig mast/tower to prevent fatigue failure
Optimization using response surface methodology for drilling rig layout to maximize the pull down force under given rig weight
FEA on the full structure of drilling rig with five operational loading models
FEA on the top drive unit housing and sliding guide of drilling rig for design validation
Design optimization for the gas spring mounting positions of motor grader engine compartment door for easy opening/closing operations
Engineering design and graphic generation using MATLAB, Excel and Pro-E for the milling cutter drum and the road milled pattern of road milling machine
Design calculation for conveyor pulley drive shaft of hydraulic motor to prevent fatigue failure
Supplier development worldwide for coke oven machinery to initiate capital project
Maintenance cost reduction and design improvement for coke oven machinery by analyzing around 8000 maintenance work orders in Maximo
RCA and FMEA for reliability improvement of oven machinery and material handling equipments
Design innovation of the creation of conceptual design for zero coal spillage in coal charging system of coke oven PCM (Pusher Charger Machine)
Design improvement of the coke pusher ram beam structure under high temperature condition to prevent thermal bowing
FEA using LS-DYNA to simulate and validate the bellows type crush model for shock absorbing pipe filled with mechanical foam for automotive application
Design and analysis experience for the industry and equipments such as drilling rig, mining & construction equipments, tractors, other heavy equipments under high temperature conditions
SUPERVISORY AND MANAGEMENT EXPERIENCE
Project development and initiation/management for coke oven machinery with machinery reliability group of eight engineers at SunCoke Energy
Functional lead of structural & frame to supervise five designers at Volvo Construction Equipment
Leading structural engineering design group of four engineers and designers at Sandvik Mining and Construction
Assistant manager for three engineers and 20 technicians in proto-shop and product test at LG Cable for agricultural tractors, combine harvester, transplanter, power tiller and etc.
EXPERIENCE
8/2014-3/2015 Lead Engineer
General Packaging Equipment, Houston, TX
Design of packaging equipments for food and medical applications
Design of filler system from agitator to pumping for packaging
Design of cartoon packaging machine
Design of pump drive powertrain with tubing
Design of sealing die for medical applications
CAD modeling and drafting with BOM creation
SOLIDWORKS
9/2011-7/2013 Senior Machinery Engineer
SunCoke Energy, Lisle, IL
Design of coke oven machinery: pusher charger machine, hot car, quench car, stationary ram, door extractor, and automation project with PLC & VFD applications
Structure design of pusher ram under high temperature condition
Design of coal charging system for zero spillage
Maintenance and application design for rotating equipment & hydraulic system
RCA and FMEA for rotating equipment and coke oven machinery
Lead value engineering project for new coke oven machinery system
Developing capital project with financial impact analysis
Writing functional specifications; Suppliers' proposal review and evaluation
Maximo, Autodesk-Inventor, Pro-E, NASTRAN, MATLAB
10/2007-5/2011 Senior Design Engineer
Volvo Construction Equipment, Shippensburg, PA
Working on road milling machine and motor grader
Design and analysis of frame & chassis and mechanical components
Design of new road milling cutter drum unit with road milling pattern graphic generation
Design of engine room including component mounting structures
Design optimization for engine room door gas spring mounting
Design and analysis: hand calculations, FEA, Pro-E, CATIA, NASTRAN, MATLAB
1/2002-10/2007 Senior CAD/CAE Application Engineer
Sandvik Mining & Construction, Alachua, FL
Working on drilling rig for surface mine and water well
Design and FEA on main frame, mast/tower, and skid structures for mounting engine, electrical motor and compressor
Design optimization on tower/mast shape and drilling rig layout for maximum pull down force
Static & dynamic stability and safety analysis of drilling rig on ISO, BS EN, and SAE standards
Mathematical modeling and verification on mast structure and drilling rig vehicle mechanics
Experimental stress analysis using strain gages for validating FEA model
Mapping sound level: measurement and extrapolation for graphic generation using MATLAB
Lead for design and production for welding inspection & NDT and GD&T training
Conducting special projects: Feasibility study of rubber tire mounted drilling rig vehicle
8/2000-1/2002 Project Engineer
Quest-LexeL Engineering, Flint, MI
FEA for mechanical structure using LS-DYNA, ABAQUS, NASTRAN, and HyperMesh for automotive industry
Modeling and analysis on vibration and acoustic using SEA and FEA for NVH projects
Preparing project proposal and final report for client
Design automation and FORTRAN programming on turbine aero design for GE Power System
4/1981-8/1987 Senior Engineer & Assistant Manager
LG Cable Ltd., Machinery Division, Gunpo, Republic of Korea
Design on tractor & implements, harvesting machine, transplanting machine, and etc.
Performance and durability test on engine, tractor, powertrain & hydraulic system
Working for QA/QC on assembly, machining, heat treatment and welding
Establishing and managing test lab and prototyping shop
12/1980-4/1981 Computer System Engineer
Daewoo Ship Building Co., MIS Department...
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