David Chang
Phone; 260-***-****, Email:*********@*****.***
PROFESSIONAL SUMMARY
- Engineering experience and Skills
• Very strong ability to operate NX 11 (20 years) on Parametric Solid, Assembly, Sketcher, FEA analysis Advance skin styling class A surfacing in shape studio, Constraint, Motion, Sheet Metal, TeamCenter
• Skillful knowledge of part analysis for improvements, GD&T, Six Sigma, DFA/DFM, DFMEA
• Familiar with material of thermo plastics, light weight composite of honeycomb, aluminum, sheet metal
• Conducting and providing Eng. activity schedules, engineering production release, design guide PROFESSIONAL EXPERIENCE
Sr. Exterior Design Engineer (Contract)
Feb 2016-March 2019 GM Warren Tech Center in Warren MI
Concept layout and develop Grille assembly, components for T1 GMC, Chevrolet with TcVis Mockup
Design with 3D modeling to plastics of Grille, Bumper in exterior for mold tooling and assembly Sr. Mechanical Design Engineer
July, 2012-Jan. 2016 B/E Aerospace in Miami Florida
Develop seat assembly, ottoman layout design with LOPA within Boeing, Airbus spec. and FAA safety
Detail Seat, Ottoman design with mechanism on configuration (TTOL, BERTH, ROUNGE, DINNING)
Design and test for frame mechanism with arm rest, seat belt, seat assembly, composite structure, Sr. Plastic Design Engineer
August, 2011-June, 2012 Honda Motor North America Engineering in Marysville OH
For bumpers and IP, injection mold layout and design supporting manufacturing, assembly process
Develop new designs of mold layout for core, cavity all components and incorporate fields changes
Analyzed part data for improvements of manufacturing to ensure quality output of molded plastics
• 20 plus years of new product development in engineering of plastic mold, body structure, interior/ exterior, seat, electric mechanism within automotive, aerospace and design experience with CAD
(UG_NX 11) in assembly, advance A class surfaces for styling in studio, motion, FEA, TeamCener,
• Skillful lead design background for product development plastic interior/ exterior(IP, bumper, fascia, consoles, headliner, Seat), body structure (BIW, under/upper body, floor, fender shield, FR/RR end, door closures) with metal forming, welding, cabin Interior, aircraft seat assembly with mechanism, extrusion, plastic injection mold, die casting, fixture/jig/gauge for assembly &inspection and plastic injection mold
• Familiar with design concept of layout assembly for new product with mounting solution, package for FMVSS & FAA, feasibility study with critical sections for manufacturing & assembly in lines
• Good knowledge of BOM of variants with part list, GD&T, and problem-solving skill with identifying root cause with DFMEA/DFA, NVH reduction for components, manufacturing procedure, new development of progresses on new design for verification and mechanism devices with working function David Chang
Phone; 260-***-****, Email:*********@*****.***
Mechanical Designer
December 2010- July, 2011 NAVISTAR Design &Technology Center in Fort Wayne IN
Efficient skills in developing 3D models in larger assembly, various automotive system for Truck
Responsible for design of interior/HAVC/Body (Bumper, IP assembly, side structure, closures) and modifying to improve matching solutions for fit and function relative to moving system Fixture Development Designer
June, 2008 –May 2010 J.S. McNamara Inc. Madison Heights MI
Fixture and gauge design on layout, detail for body panels and sub structure assembly for spot weld
Worked with new tool of GM to define GD&T for gauge and fixture requirements and reviewed issues Body Design Engineer for GM OPEL
Nov. 2006 – May, 2008 (Bertrandt GmbH in Rüsselsheim Germany, 1775 Hamlin Rd, R. Hills, MI)
Developed Body, Exterior with layout design for new GM project of 3400 5DR HB & 3401 3DR Delta
Detail design for upper/under body, frt pillar, roof structure and bumper assembly with studio surfaces Injection Mold Designer
August, 2005 -August, 2006 Commercial Tool & Die Inc. in Grand Rapids MI September, 2000 - August, 2005 Windsor Mold Inc. in Windsor ON Canada
Design of surface and detail of injection mold in solid model as required parting line of parts
Parting surface (core, cavity, slide, lifter, core pull, retractor system), detail design, mold layout, draft analysis for tool of undercut, shutoff, Preliminary for injection mold design
Analyzed mold flow, FEM analysis, stress/fatigue, gate types, cavities and shrink factor on plastics Sr. Development Project Design Engineer
January 1990 – March 1999 Hyundai Motor Co. R&D Technical Center Korea
Conducted layout new concepts for body structure, exterior according to FMVSS, SAE, and interface checking with whole components on master drawing for new development projects in vehicles
Managing design, analysis, builds, design validation & released of interior/structure components, door mechanism with closures and generated BOM with valiant, install drawings for sealer, paints, MIG weld EDUCATION
Master of Engineering in Mechanical Engineering Feb. 1990
Dankook University, Seoul Korea
Bachelor of Science in Product Design and Manufacturing Engineering Feb. 1988
Seoul National University of Science and Technology, Seoul Korea
*All my academic credential assessments that are the same as equivalent degree; years of study in the U.S. educational system, accepted and obtained by National Association of Credential Evaluation Services (NACES) Reference: Available Upon Request