Engineer Mechanical

A highly skilled mechanical design engineer with more than 20 years of

experience ready to make contribution in developing high quality and cost

effective design solutions

PROFESSIONAL CAPABILITIES

. Mechanical Design: establishment of design requirements, material

selection, concept design, analysis, R&D, prototyping, testing, ergonomic

study, detailed design, drafting, GD&T and full production package

release including BOM

. Component sizing and selection: actuators (pneumatic, hydraulic and

electric), power transmissions (bearings, gears, driving screws, belts,

chains, rails, slides, couplers, lubrications, etc.), sensors

(electronic, optical and mechanical) and general hardware

. Design with applicable requirements and restrictions such as existing

manufacturing processes and technologies, available materials and their

heat treatments, ISO and CE standards

. CAD: 3D modeling and 2D drafting with SolidWorks, NX, Creo (Pro/E) and

Solid Edge

. FEA: strength, rigidity and thermal analysis with SolidWorks Simulation

and NX simulation

. CFD: pressure, flow and thermal analysis with SolidWorks Flow Simulation

and NX simalation

. Motion Analysis: speed (linear and rotational), force, torque and

displacement analysis with SolidWorks Motion, NX Motion Simulation

. CAM: sheet metal laser and punch CNC programming with FabriWin, MasterCAM

CNC programming, setup and configure, manual modification of simple CNC

programs

. Robot: trajectory analysis for possible robot movement interference with

surrounding environment using Fanuc Robotics Roboguide

. Miscellaneous CAD skills: realistic photo and video rendering for

presentation, video creation for design concept illustration, CAD

customization and enhancement using VBA macros, product data information

management using PDM and ERP systems

. Computer: AutoCAD, MS Office, Matlab, VB, VBA, C++, C#, CAD systems setup

and configure, workstations maintenance and computer network

administration on both software and hardware

PROFESSIONAL EXPERIENCES

. Designed CNC machining centers, automated specialty machines, fixtures,

powered and manual tools, robot end of arm tooling and conveyor systems

for machining, assembling, welding, testing, measuring and material

handling that may be of either single cells or in production lines

. Designed processing systems, machines and components used in

metallurgical industry for mining, aggregating, sintering and

palletizing, iron and steel making, continuous casting, hot and cold

steel strip rolling that involve high heat, high speed, heavy duty and

dusty environments

. Designed customized engine exhausting systems for on road and off road

vehicles

. Designed cooling packages for engines up to 2000 horse power with

radiators, charge air coolers, oil coolers and fuel coolers used in

underground mining, oil and gas fields and hospitals

. Designed machining parts, castings, welded structural parts, sheet metal

parts and vacuum thermal forming plastic parts

EDUCATION

September 2000 - July 2002 Mechanical & Industrial Engineering,

University of Toronto

. Master of Applied Science Research: Concurrent Engineering in

Electromechanical Systems

September 1986 - July 1990 Mechanical Engineering, Northeastern

University

. Bachelor of Engineering Major: Mechanical Manufacturing Technology and

Equipment

PUBLICATIONS

. A Formal Two-Phase Method for Decomposition of Complex Design Problems,

ASME Journal of Mechanical Design Vol. 127, pp. 184-195

. Tree-based Dependency Analysis in Decomposition and Re-decomposition of

Complex Design Problems, ASME Journal of Mechanical Design Vol. 127, pp.

12-23

WORK HISTORY

Helix Linear Technologies February 2014 - present

Mechanical Design Engineer

Major Project:

. Designed a 3-axis backlash tester to measure drive screw system backlash

. Designed a series of linear drive slides with better performance and

lower cost

. Developing stepper motor screw drive actuator series products to compete

with competitors

Astro Manufacturing and Design June 2012 - February 2014

Mechanical Design Engineer

Major Projects:

. Designed pneumatically actuated chuck tool for automotive wheel bearing

assembly ABS testing

. Designed laser welding tool for tube internal surface cladding with

length up to 60 feet and diameter range from 4 inches to 12 inches used

in oil and gas industry

. Designed 3-axis contact lens aberrometer complies with CE standard,

designed pneumatic schematic for defective contact lens rejection

. Designed light fixture gasket line with a loading station, a 30 feet dual

line conveyor, a 9 feet long curing station, a 30 feet single line

conveyor, two stacking stations, a de-stacking station, an inspection

station, a packaging station and four 2-axis robots

Copper Core Ltd. April 2008 - June 2012 Mechanical Design

Engineer

Major Projects:

. Designed specialty high pressure oil coolers up to 1000 psi with FEA

analysis

. Designed silencers for cooling packages by using CFD analysis such that

minimum air pressure drop was achieved within limited design envelop with

noise level reduction from 117db to 76db exceeding customer required 85db

. Improved charge air cooler air flow performance by 40% to suite customer

engine upgrade, which requires more heat rejection

. Performed stress analysis, factor of safety analysis, rigidity analysis

on radiator stabilizers, lifting devices, frames and bases using finite

element analysis (SolidWorks Simulation FEA package)

. Performed flow analysis and thermal analysis on existing radiator designs

using finite element methods (SolidWorks Flow Simulation) to meet

customer improved performance requirements

. Installed Mastercam X4 for company new Kia V90 machining center to

replace existing manual programming method, improved programming

efficiency, accuracy and running smoothness

. Developed software program with user friendly interface using SolidWorks

VBA to eliminate repetitive manual input of product information

. Developed Solidworks add on Macro with user friendly graphic interface

for automatic generating radiator packages in about 40 seconds (depending

on the complexity of the radiator and the speed of the computer running

the software), which normally takes 5 days to finish

M&R Automation Canada May 2004 - April 2008 Mechanical Design

Engineer

Major Projects:

. Designed automated specialty machines for assembling heavy duty vehicle

steering knuckles such that reliable and accurate bolt head flat sensing

were achieved

. Designed one robot end arm tool for five different parts altogether that

no tool change is needed during operation, thus reduced cycle time; robot

movement error was eliminated by self-alignment on each operation; light

weight was achieved within robot payload

. Designed bearing measuring and testing unit for automotive power take off

assembling line

. Designed fuel rail leak testing system such that six different fuel rails

could be tested in one cell; modification potentials were also

accommodated

. Designed automotive engine cylinder cap leak test unit with assembly

integrity checking

. Designed clutch friction disk separating system to separate disks

reliably and accurately from big piles with sticky grease all around

. Designed five-station automated machine tool for basket-drive trunnion;

Enclosure compliant with CE standard; Customer satisfied with design

reviews

. Applied parametric design principle to base design of six station

automated specialty machine tool for Nissan brake caliper machining;

Flexible for downstream design constraints

. Designed dedicated machine tools, CNC fixtures, punches and machine

accessories for GM pickup engine cradle (V6 and V8) machining system;

. Performed FEA analysis on a Nissan steering column housing to ensure

fixture clamping force without breaking part

. Designed hydraulic driven chassis height adjustment add-on for ease of

loading and unloading for a 5-ton transportation truck

. Served as the central liaison of robot automated tube-to-tube sheet

welding system design for nuclear power plant heat exchanger between

mechanical and electrical departments by providing robot trajectory

simulation for design conception and verification

Environmental Solutions Worldwide October 2002 - May 2004 Mechanical

Design Engineer

Major Projects:

. Designed catalytic convertors for CAT excavators from measurements taking

to final production drawings with self congestion cleaning and reduction

of CO and NOx

. Designed heavy-duty vehicle exhausting system. Achieved low infrared

radiation, low exhaust heat, low noise and lightweight. FEA and CFD were

used for optimization

. Improved school bus exhausting system from prototype, analysis to final

release

Design and Manufacturing Integration Laboratory, University of Toronto

September 2000 - September 2002 Research Assistant

Developed concurrent engineering methodologies, algorithms and software

with user friendly GUI for decomposing a complex project, such as

electromechanical systems, into smaller projects so that concurrent

development is possible. An automotive powertrain design was used as a

case study with design teams identified under various constraint

conditions

BenXi Metallurgical Machinery Co. (China)

May 1995 - November 1999 R&D Department Senior Mechanical

Engineer

Managed projects including a varieties of machineries mostly for iron

and steel making industry

E-mail: ****.****@****.***

Tel: 216-***-****

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