Andre Tri-Tai Le

Eager to go above and beyond job requirements to help designers perform smooth and efficient work. Skilled in computer-aided mechanical engineering design. Resourceful Mechanical Engineering Intern known for high productivity and efficient task completion. Possess specialized skills in CAD design, thermal dynamics, and fluid mechanics. Excel in problem-solving, teamwork, and adaptability, ensuring successful project outcomes.

Experienced with providing attentive and personalized service to guests in bustling restaurant setting. Utilizes strong multitasking abilities to manage tables and deliver prompt service. Track record of maintaining welcoming atmosphere and addressing guest needs efficiently.

• SolidWorks CAD Design Professional Certification

Projects

Advanced 3D CAD Modeling

• Designed complex automotive components using SolidWorks and AutoCAD.
• Conducted stress analysis and optimized design for weight reduction.
• Developed technical drawings for manufacturing and prototyping.

Go-Kart Design with Weight Limitations

• Engineered a lightweight go-kart frame using SolidWorks to meet specific weight constraints.
• Performed FEA simulations to ensure structural integrity while minimizing material usage.
• Optimized chassis design for strength-to-weight ratio and aerodynamics.
• Developed detailed CAD drawings and assisted in the fabrication of components.

Designing a Tap Drill with Cost Limitations

• Developed an optimized tap drill design focusing on cost-effective manufacturing.
• Utilized SolidWorks to create a detailed 3D model and technical drawings.
• Selected materials that balanced durability and affordability.
• Conducted stress analysis to ensure performance while minimizing production costs.
• Collaborated on a cost-benefit analysis to refine the final design.

Overview of the Gear Design:

I was given a real-world design scenario — something like: "Design a two-stage gear reduction system to transmit 10 hp from a motor running at 1750 RPM down to an output shaft at 150 RPM." The goal is to select and size every mechanical component in the drivetrain so it survives the expected loads over a desired lifespan.

Phase 1 — Gear Design I started by calculating the gear ratios needed across two stages to hit the target output speed. Then I sized the gears using AGMA (American Gear Manufacturers Association) standards, checking for two failure modes:

• Bending stress — will the gear teeth break off?
• Contact (pitting) stress — will the surface wear out?

I selected tooth geometry, material (e.g., hardened steel), and face width to satisfy both criteria with an appropriate safety factor.

Phase 2 — Shaft Design I designed the shafts that carry the gears, analyzing them for:

• Bending and torsion combined using von Mises or distortion energy theory
• Fatigue failure using the Modified Goodman criterion — accounting for the fact that rotating shafts experience cyclic loading every revolution
• Deflection limits to ensure gears stay properly aligned

Phase 3 — Bearing Selection I selected rolling element bearings (ball or tapered roller) from a manufacturer catalog like SKF or Timken based on the radial and axial loads at each shaft support. You verify the selected bearings meet a target L10 bearing life (e.g., 20,000 hours).

Phase 4 — Keys & Fasteners I sized the keys that lock gears to shafts, checking them for shear and crushing failure. You also specify retaining rings, shoulders, or other axial locating features.

Phase 5 — Final Report & Drawing I compiled everything into a formal engineering report with a hand sketch or CAD layout of the gearbox, a bill of materials, and justification for every design decision.