Doai Dang

Design Engineer at MDC Precision
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us****@****om
(386) 825-5501

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Experience

    • United States
    • Industrial Machinery Manufacturing
    • 100 - 200 Employee
    • Design Engineer
      • Aug 2021 - Nov 2023

      Hayward, California, United States • Designing and detailing vacuum products such as hybrid adapters, fittings, chambers, UHV gate valves, EV plates for Thermo Fisher, SLAC, LAM Research, Applied Materials, Hyperion Aerospace, GE Healthcare using Solidworks 2022 with GD&T per ASME Y14.5. The materials are 304, 316/316L stainless steel and 6061 aluminum. • Performing ECR per production and customer requests using AutoCad 2022 and Solidworks 2022. • Providing technical support to customers, vendors, shop… Show more • Designing and detailing vacuum products such as hybrid adapters, fittings, chambers, UHV gate valves, EV plates for Thermo Fisher, SLAC, LAM Research, Applied Materials, Hyperion Aerospace, GE Healthcare using Solidworks 2022 with GD&T per ASME Y14.5. The materials are 304, 316/316L stainless steel and 6061 aluminum. • Performing ECR per production and customer requests using AutoCad 2022 and Solidworks 2022. • Providing technical support to customers, vendors, shop personnel, QC, purchasing department. • Entering PDF drawings, routers in AX database and assemblies, parts, drawings in PDM vault. Show less

    • United States
    • 1 - 100 Employee
    • Senior Mechanical Design Engineer
      • May 2018 - Mar 2021

      Fairfield, California, United States · Designing and detailing dust collectors, cyclones, hoppers, blast carts, floor recovery, 48" turn table inside abrasive blast cabinets with support structures using Solidworks 2019 and AutoCad 2019. . Designing and detailing 1/2" to 1.5" NPT couplings, pipes, 4" NPT to 1.5" bell reducer adaptors for valve assembly using Solidworks 2019. . Designing and detailing 24" stroke horizontal automatic linear motion, 7" stroke vertical manual hand wheel motion for Tumble Blaster using… Show more · Designing and detailing dust collectors, cyclones, hoppers, blast carts, floor recovery, 48" turn table inside abrasive blast cabinets with support structures using Solidworks 2019 and AutoCad 2019. . Designing and detailing 1/2" to 1.5" NPT couplings, pipes, 4" NPT to 1.5" bell reducer adaptors for valve assembly using Solidworks 2019. . Designing and detailing 24" stroke horizontal automatic linear motion, 7" stroke vertical manual hand wheel motion for Tumble Blaster using Solidworks 2019. · Supporting production with drawings and bills of material, and selecting blowers from Cincinnati Fans for dust collectors and blast carts. · Performing calculations for ventilation ducts using Smacna. · Performing Computational Fluid Dynamics on building enclosures using Inventor 2019. · Working knowledge of the current controls, generating layout of blast room systems using Autocad 2019. · Working knowledge of cartridge filters, hepa filters, gate valves, air cylinders, rotary air lock, accuflow. · Checking stress analysis on support structures using Solidworks 2019. Show less

    • United States
    • Appliances, Electrical, and Electronics Manufacturing
    • 1 - 100 Employee
    • Mechanical Design Engineer
      • Jan 2006 - Apr 2018

      • Designed and detailed outdoor LED, HID lighting fixtures and structural poles using SolidWorks 2008. • Designed and detailed NPT levelators, heat sinks, clamps, brackets, reflectors using SolidWorks 2008 & Inventor 12. Sketching schematic diagrams for production using SolidWorks 2008. • Performed wind load calculations using AISC and AASHTO, and EPA using AutoCad 2012. • Performed heat tests on LED and HID lighting engines & fixtures using Omega Engineering… Show more • Designed and detailed outdoor LED, HID lighting fixtures and structural poles using SolidWorks 2008. • Designed and detailed NPT levelators, heat sinks, clamps, brackets, reflectors using SolidWorks 2008 & Inventor 12. Sketching schematic diagrams for production using SolidWorks 2008. • Performed wind load calculations using AISC and AASHTO, and EPA using AutoCad 2012. • Performed heat tests on LED and HID lighting engines & fixtures using Omega Engineering software. • Performed stress analysis using Cosmos Express built-in in SolidWorks 2008.. • Designed Sand Cast Mold, Permanent Mold, Die Cast Mold, and Injection Molding parts. • Designed horizontal and vertical heat sinks & selecting drivers for LED lighting engines. • Working knowledge of Bridgelux LED, Citizen LED, Sylvania LED, Mid-West LED, thermostat, active cooling fan, photometric toolbox, photopia, polar plots, Ledil & horizontal mount optics, PCB, GFCI, and Magtech, Osram, & Thomas Research drivers. • Traveled to Mexico to work with production to resolve critical mold issues. Show less

    • United States
    • Appliances, Electrical, and Electronics Manufacturing
    • Mechanical Design Engineer
      • Feb 2004 - Sep 2005

      Houston, Texas Area • Designed disinfections, curing machines that utilize UV technology using SolidWorks 2005. • Designed conveyor chain system, power supply enclosures, complex 3-D parts & flat-line curing systems. • Proficiency generating 3D designs of shutters, CO2 Systems (valve actuators, NPT pipes), Lamp • Housings, reflectors, heat sinks, I-Beam skids, lift and rotating systems with GD & T. • Providing layouts and installation prints for the shop. Designed and checked high voltage, amperage… Show more • Designed disinfections, curing machines that utilize UV technology using SolidWorks 2005. • Designed conveyor chain system, power supply enclosures, complex 3-D parts & flat-line curing systems. • Proficiency generating 3D designs of shutters, CO2 Systems (valve actuators, NPT pipes), Lamp • Housings, reflectors, heat sinks, I-Beam skids, lift and rotating systems with GD & T. • Providing layouts and installation prints for the shop. Designed and checked high voltage, amperage on motors, blowers, transformers, ballasts, fuses, sensors. Show less

    • Consumer Services
    • 1 - 100 Employee
    • Design & Project Engineer
      • Nov 1998 - Jan 2003

      Richmond Hill, Ontario, Canada • Designed Thermal Circuit diagrams using AutoCad LT 2000i and Pspice. • Performed Stress Analysis on Meritor Automotive seat, actuators, plastic case using Pro-Mechanica & Cosmos • Designed and detailed a helicopter landing ramp for Indal Technologies using Pro/E and Pro/Intralink. • Designed catwalks, arches, piping arrangements for Durose Manufacturing using SolidWorks 2001Plus. • Designed and detailed semiconductor electrical sheet metal based cabinets (Endura-E, Back-To-Back… Show more • Designed Thermal Circuit diagrams using AutoCad LT 2000i and Pspice. • Performed Stress Analysis on Meritor Automotive seat, actuators, plastic case using Pro-Mechanica & Cosmos • Designed and detailed a helicopter landing ramp for Indal Technologies using Pro/E and Pro/Intralink. • Designed catwalks, arches, piping arrangements for Durose Manufacturing using SolidWorks 2001Plus. • Designed and detailed semiconductor electrical sheet metal based cabinets (Endura-E, Back-To-Back, 200mm, 300mm), chassis, rack-mounted shelf systems for Cutler-Hammer using Pro/Engineer 2001. • Designed integrated transponder systems to mount antennas between two trains for TTC using Pro/E. • Redesigned vacuum cleaner handles for Plastiflex using Pro/Engineer 2001. Show less

    • Design & Project Engineer
      • Jan 1998 - Oct 1998

      Oshawa, Ontario, CANADA • Designed part process blueprints, installation prints, and plant layout / equipment drawings with GD&T using AutoCad 13 Windows and providing Bills of Material. • Designed and developed a product structure which fully met the design criteria within the cost for Plastics, Reaction Injection molding, stamping using MS Excel 97 • Designed process flow diagrams, FMEA and modified operator instructions for brake pedal modules, backing plate assemblies, window regulators according to… Show more • Designed part process blueprints, installation prints, and plant layout / equipment drawings with GD&T using AutoCad 13 Windows and providing Bills of Material. • Designed and developed a product structure which fully met the design criteria within the cost for Plastics, Reaction Injection molding, stamping using MS Excel 97 • Designed process flow diagrams, FMEA and modified operator instructions for brake pedal modules, backing plate assemblies, window regulators according to QS9000. • Designed electrodes for projection welders, reading & analyzing electrical circuits. • Designed, testing, setting up toolings to change cycle times for spring winders. • Troubleshooting machines, toolings (GMT325, 330, 400, 430, 600). • Working knowledge of several Tools & Progressive Dies, Mold Designs, and ANSI drafting practices. • Working knowledge of MIG, Projection, Sonic, Vibration Welding, ASME codes and WHIMIS Show less

    • United States
    • Executive Offices
    • Design & Project Engineer
      • Mar 1997 - Dec 1997

      Ontario, Canada Designed Laboratory Equipment, developing methods to improve product quality, flat calculations and interpretation of mechanical drawings using Cadkey 7, Draft-Pak 7 and Auto-Cad 12. Knowledge of MIG, TIG, Spot Welding, Fabrication, ASME codes and WHIMIS. • Designed sheet metal enclosures, horizontal pipe chassis, plastic tubing with Geometric • Dimensioning and Tolerancing, and ANSI drafting practices. CNC Programming using Smartcam. • Performed all duties such as BOM… Show more Designed Laboratory Equipment, developing methods to improve product quality, flat calculations and interpretation of mechanical drawings using Cadkey 7, Draft-Pak 7 and Auto-Cad 12. Knowledge of MIG, TIG, Spot Welding, Fabrication, ASME codes and WHIMIS. • Designed sheet metal enclosures, horizontal pipe chassis, plastic tubing with Geometric • Dimensioning and Tolerancing, and ANSI drafting practices. CNC Programming using Smartcam. • Performed all duties such as BOM, processes, procedures, Engineering Change Notice according to established ISO9002 producers. • Working knowledge of Trumpf, Wiedemann tooling & Part Master Maintenance. Show less

    • Engineering Co-op workterms / Interns
      • Jan 1990 - Feb 1997

      Ontario, Canada Together, I had about 2 years working for several companies in CANADA as an Engineering Intern. Part of the Engineering Co-op Program offered at University of Waterloo to gain real industry experience. Each term lasted from 4 to 8 months. - Skyline Manufacturing Ltd., Toronto, CANADA – Manufacturing Engineer, 09/1996 – 02/1997 - Banner System, Ltd., Cambridge, ONT, CANADA, Intern Design, 05/1994 – 09/1994 - National Defense, Ottawa… Show more Together, I had about 2 years working for several companies in CANADA as an Engineering Intern. Part of the Engineering Co-op Program offered at University of Waterloo to gain real industry experience. Each term lasted from 4 to 8 months. - Skyline Manufacturing Ltd., Toronto, CANADA – Manufacturing Engineer, 09/1996 – 02/1997 - Banner System, Ltd., Cambridge, ONT, CANADA, Intern Design, 05/1994 – 09/1994 - National Defense, Ottawa, CANADA, Engineering Support, 09/1992 – 12/1992 - Consumer Gas, Willowdale, CANADA - Assistant Supervisor System Design, 01/1992 – 04/1992 - Ministry of Transportation, Toronto, CANADA - Engineering Materials 09/1990 --12/1990 - Canadian Tire Corporation, Toronto, CANADA - Computer Programmer 01/1990 -- 04/1990 Show less

Education

  • University of Waterloo
    Bachelor of Applied Science - BASc, Mechanical Engineering
    1989 - 1996
  • Acom Consulting, London, Ontario, CANADA

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