Mechanical Design

CHUNLIN (Henry) CAO

** ********* **., ********, **, L6H 6V1, 416-***-**** (H), 613-***-**** (Cell),abosvi@r.postjobfree.com

OBJECTIVE

Mechanical designer/FEA analyst

SUMMARY OF QUALIFICATIONS

• 19 years customized heavy industrial machine design and analysis experience.

• Experience working in a technical team environment that combines mechanical, hydraulic and electrical engineering to develop new and innovative machines

• Skilled in the creation of detailed production drawings of parts and assembly using SOLIDWORKS, AutoCAD

• Expertise in mechanical calculation (classic calculation and FEA analysis)

• Good knowledge of machine tool and shop floor environment

• Ability to work effectively under pressure of schedule and technical constraints

• Good knowledge of ASME & ISO standards

PROFESSIONAL EXPERIENCE

Hydraulic Turbine Inc., Ontario, Canada 2007.1- Present

Mechanical Designer/FEA Analysts (SOLIDWORKS/COSMOS, AutoCAD, CADKey)

• Detailed design and drafting of small scale Turbine machine (new design/refurbishment and upgrade of existing unit)

• Static and dynamic structural analysis for main parts of turbine machine

• Analyzed and maintained database for static, dynamic and thermal analysis for turbine machine.

• Prepare customer and shop drawings using SOLIDWORKS and AutoCAD

• Generated motion study of the assembly & convert to AVI files (as Video)

• R&D works of new technologies and optimization study for hydro-turbine units

• Assist the marketing engineers for preparing and evaluating technical proposals

• Interpret works between Chinese and English

Sample List of Projects –

• Water Turbine wicket gate mechanism optimization deign, calculation and HPU selection for camel-back turbine

• Kaplan blade operating mechanism mechanical design and calculation (2450 kW)

• Horizontal and vertical turbine main shaft stress and critical speed calculation (FEA or classic calculation)

• Κaplan, Pelton and Francis turbine runner 3-D modeling and stress calculation

• Guide bearing support stiffness and reaction force calculation and bearing selection.

• Water tank stress calculation and optimum design

• Excel mechanical calculation program (such as: blade operation load, shaft coupling fit safety check etc.)

Harbin Electrical Machinery Company (HEC) Harbin, China

Mechanical Engineer (AutoCAD, I-DEAS and ANSYS) 1995.5-2001.9

• Optimum design and detailed production drawings of customized turbine units

• Check design criteria and supply the calculation methods used for the new mechanical design

• Performed changes, additions and revisions as required to ensure completeness, accuracy

• Give the technical advice and guide for bill of materials and the optimum design to the designers.

• Diagnosis and trouble-shooting for the vibration problems (both model/prototype)3D modeling used in the mechanism animation and simulation.

• Work closely with manufacturing staff during machining, fabrication and assembly

• Perform R&D project and prepare specialized technical reports.

• Provide input to project management for project tracking and scheduling.

• Supervised a group of stress and vibration analysis. Prepared Project scopes, schedules and budgets.

Sample List of Projects –

• The rotating parts design and calculations of Three Gorges (1997-1999)

• Draft out the national standard Code for Field Measurement of Vibrations and Pulsation in Hydraulic Machines: (GB/T 17189-1997) as a second main draftsman.

• 50MW Vertical Kaplan Turbine Main shaft vibration Analysis & Troubleshooting

• Francis turbine new head cover study and optimization design

• Butterfly valve design and calculations

• Water pressure test and strain signal monitor for the spiral case and stay vane of (200MW, 1991)

• Co-design with ALSTOM in French for Three Gorges (1998)

Mechanical Designer (AutoCAD and I-DEAS) 1987.7-1995.4

• 3D modeling used in the mechanism animation and simulation

• Completed documentation packages and production drawings for runner test device

• Diagnosis and trouble-shooting of the vibration problems for the turbine machine

Sample List of Projects –

• Vertical Kaplan turbine head cover design (15MW)

• Horizontal Francis turbine runner and main shaft design (20MW)

• Vertical turbine unit spiral case plate development calculation and spiral case design

• Turbine runner Lifting device (100Kg load) design used for the model runner installation in the lab

• Co-design with GE Hydro in Canada for the hydro turbine unit design of Er-Tan (1995)

PART TIME WORK EXPERIENCE

Quality Casting China Inc., Toronto, ON 2004.4-2006.10

• Mechanical Design and Marketing works of casting parts used in Hydro Turbine unit.

EDUCATION

2002.9-2003.5 Mechanical courses in Concordia University, Montreal, QC, Canada

1884.9-1987.7: Master degree in Mechanics Engineering ( Machine Dynamics)

1980.9-1984.7:.First degree in Mechanics Engineering (Machine tool design)

Harbin Institute of Technology, Harbin, China

REFERENCES AVAILABLE UPON REQUEST

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