Engineer Mechanical

JeMan Yeon

**** ********* *** ******, *******, TX 77065

(cell) 630-***-**** (e-mail) *********@*****.***

PROFESSIONAL SUMMARY

Result-driven and detail-oriented mechanical engineer accomplished in design & analysis and development of tractors & attachments, construction & mining equipments, coke oven machinery and packaging equipment

Proven ability to create cost-effective and cutting-edge design that meet project and product specifications

Experience in all phase of product development life-cycle from conceptualizing new product ideas through sketching, creating CAD models, FEA, developing engineering designs, prototyping, testing, supporting production and customer support

Resourceful mechanical engineer for accuracy and efficiency in EPC project. High ability to work effectively as team member or independently

TECHNICAL SKILLS

CAD: Solidworks, CATIA, Pro-Engineer, AutoCAD, Inventor, GD&T

FEA: NASTRAN, FEMAP, LS-DYNA

MATLAB, OPTISHAPE

Optimization: Design Optimization, Structural Shape Optimization

Teamcenter, SmarTeam, Windchill, Maximo

Experimental Stress Analysis using Strain Gages

RCA, FMEA

EPC Project Development & Management

FORTRAN, C/C++, MS office softwares

PROFESSIONAL EXPERIENCE

4/2015 – present Independent Consultant/ Mechanical Engineer

Providing design and analysis service: steel structure weldment, mechanical components

Providing instruction on FEA and CAD

CAD (Solidworks), FEA (NASTRAN)

8/2014 – 3/2015 Lead Engineer

General Packaging Equipment, Houston, TX

Designed hopper & agitator and stainless steel tubings

Designed cartoon packing unit

Designed timing belt and chain drive units with motor and pump

Designed sealing die for medical applications

Created BOM and supported suppliers

8/2013 – 7/2014 Independent Consultant/ Project Engineer

Providing service for EPC project of coke oven machinery

Providing service for design, analysis and supplier development

9/2011 – 7/2013 Senior Machinery Engineer

SunCoke Energy, Lisle, IL

Responsible for EPC project for coke oven machinery: project initiation, planning budget, specifications & RFP, supplier development, lead engineering design, evaluation of proposals, QC/QA

Analyzed 8000 Maximo maintenance work orders to conduct RCA and FMEA for coke oven machinery reliability improvement

Responsible for design project of coke oven machinery: PCM (pusher charger machine), hot car, quenching car, stationary ram, door extractor, and automation project with PLC & VFD applications

Conducted structural design of pusher ram under high temperature condition

Conducted design of coal charging system for zero spillage

Led and collaborated with team for coke oven machinery reliability improvement

Maximo, Autodesk-Inventor, Pro-E, NASTRAN, MATLAB

10/2007 – 5/2011 Senior Design Engineer

Volvo Construction Equipment, Shippensburg, PA

Worked on road milling machine and motor grader & attachments

Designed and analyzed frame & chassis and mechanical components & assembly

Designed road milling cutter drum unit with completion of design theory manual and computer programs using MATLAB and Excel

Designed engine room including component mounting structures

Conducted design optimization for mounting gas springs of engine room doors

Pro-E, CATIA, NASTRAN, MATLAB

1/2002 – 10/2007 Senior CAD/CAE Application Engineer

Sandvik Mining & Construction, Alachua, FL

Worked on drilling rigs for surface mine and water well

Conducted design and FEA on main frames, mast/tower, and skid frames for mounting engine, electrical motor, compressor and etc.

Conducted design optimization on tower/mast structural shape to prevent fatigue failure and drilling rig layout for maximum pull down force

Conducted static & dynamic stability and safety analysis of drilling rig on ISO, BS EN, and SAE standards

Completed design manuals for design theory, hand calculation, mathematical modeling and verification on main frame, mast structure, drilling rig vehicle mechanics, pin & lug, fasteners & connections, welding on structures, and others

Conducted experimental stress analysis using strain gages & data acquisition unit for validating FEA models

Conducted mapping sound levels: measurement and extrapolation for graphic generation using MATLAB

Led design and production team for welding inspection & NDT and GD&T training

Conducted special project: Feasibility study of rubber tire mounted drilling rig vehicle of type of low ground pressure all-terrain vehicle with rubber tire or Rolligon

8/2000 – 1/2002 Project Engineer

Quest-LexeL Engineering, Flint, MI

Conducted FEA projects using LS-DYNA, ABAQUS, NASTRAN, and HyperMesh for automotive industry

Conducted NVH modeling and analysis on vibration and acoustic using SEA and FEA

Prepared project proposal and final report for client

Conducted 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

Designed tractors & implements, harvesting machine, and transplanting machine

Conducted performance and durability test on engine, tractor, powertrain, and hydraulic system and design of test fixtures

Led QA/QC on assembly, machining, heat treatment and welding

Responsible for establishing and managing test lab and prototyping shop

12/1980 – 4/1981 Computer System Engineer

Daewoo Ship Building Co., MIS Department, Ok-po, Republic of Korea

Developed computer data logging method manual to manage the central storage and steel stock yard

EDUCATION

2000 Ph. D., Agricultural and Biological Engineering-Machine System

University of Florida, Gainesville, Florida

Course work included: Advanced Mechanics of Materials, Kinematic Analysis and Synthesis of Mechanism, FEM, Optimization for Machine Design, Structural Optimization and Genetic Algorithm, Experimental Optimization and Response Surface Methodology, Intermediate Dynamics and Analytical Mechanics, Vibration Analysis of Production Machinery: Self-Excitation, Engineering Analysis (PDE/ODE/Calculus of Variation), Applied Mathematics and Numerical Method for Agricultural Engineering, Computer Control and Instrumentation, Advanced Design of Agricultural Machinery and Soil Tool, Fruit and Vegetable Production & Storage, and etc.

1993 M.S., Agricultural Engineering-Machine System

The Ohio State University, Columbus, Ohio

Course work included: Machine Element Design and Fatigue Analysis, Material Engineering for Machine Design, Continuum Mechanics, FEM, Experimental Stress Analysis, ODE, PDE, Statistics, Probability Analysis, Graduate Seminar on Research Proposal, and etc.

1981 B.S., Agricultural Engineering-Power & Machinery

Seoul National University, Seoul, Republic of Korea

Course work included: Solid Mechanics, Dynamics, Kinematics, Fluid Mechanics, Mechanical Vibration, Thermodynamics, Heat Transfer, Tractor Engineering, Hydraulic System Design and Application, Machine Design, Design & Drafting, Agricultural Process Machinery Design and Practice, Machine Shop & Practice, Internal Combustion Engine, Manufacturing Process, Measurement and Instrumentation, Electrical Engineering, Agricultural Labor & Mechanization, Farm Hydraulic Machinery, Farm Machinery Design and Practice, Engineering Mathematics, Agricultural Economics, Statistics, and etc.

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 unit and the road milled pattern of road milling machine

Design calculation for conveyor pulley drive shaft 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 for the industry and equipments such as drilling rig, mining & construction equipments, tractors, other heavy equipments under high temperature conditions

SUPERVISORY AND MANAGEMENT EXPERIENCE

Leading project initiation, development and management for coke oven machinery with machinery reliability group of eight engineers at SunCoke Energy

Functional lead of structure & 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 ON GAGE, SENSOR AND INSTRUMENT

Strain gage, load cell, thermocouple, accelerometer, LVDT, pressure & flow gage, data acquisition system

UTM, Calipers, micrometers, dial indicators, multimeter, and etc.

Stress analysis and vibration analysis

THESIS, DISSERTATION, AND PAPERS

Yeon, J, L. N. Shaw. 2004. A Seed Transport and Delivery Mechanism for Revolving Spade Planter. ASAE 2004 Summer Meeting in Ottawa, Canada. ASAE Paper Number: 041027.

Yeon, J. 2000. A Seed Transport and Delivery Mechanism for the Revolving Spade Planter. Ph. D. Dissertation. University of Florida. Gainesville, FL.

Yeon, J. 1993. Development of a Wheel Sensor for Agricultural Tractors. M.S. Thesis. The Ohio State University. Columbus, OH.

Yeon, J. 1981. Review on Grain Drying Theory and Grain Bin Application to Small Farm in Korea. B.S. Thesis. Seoul National University. Seoul, Korea.

Legal Status in the U.S.: Permanent Resident

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