About

Senior Mechanical Design, LLC is owned by Stuart Johnson, who has a broad range of experience in mechanical design; which includes large machines, packaging machines, special machines, automated and manual fixtures, inspection gages, stamp dies, plastic injection molds, metal castings; and is highly skilled in geometric tolerancing and limits-and-fits.

CAD SYSTEMS

SolidWorks Premium is the provided cad system, with experience in the following additional cad systems:

  • NX
  • Inventor
  • Cadra
  • HP ME-10 (Now known as PTC Creo Elements/Direct Drafting)
  • Professional CADAM
  • AutoCAD

COMPANIES

Stuart Johnson has provided design service to the following companies

  • 3M (Line drive stations on a heat melt machine)
  • Boston Scientific (Nitinol forming fixtures for heart valve bodies)
  • Calspan AeroSystems (Jet engine test cell adaptors and thrust stands)
  • Donaldson Company (Air filtration systems)
  • E.F. Engineering, Inc. (Packaging machines)
  • Environmental Control Solutions, Inc. (Sigma 25,000 Thermal Oxidizer)
  • Food Engineering Corporation (Food dryers and vibratory conveyors)
  • Industrial Tool, Inc. (Manual and automated gun drilled hydraulic fixtures)
  • LaValley Industries (42” pipe gripping claw for underground gas pipes)
  • Manitex (50-ton capacity rubber-tracked crane)
  • Manitowoc (500,000 lb. crane counterweight)
  • Minneapolis Sheet Metal Works (Elevator guards)
  • NOV Hydralift Amclyde (900 metric-ton Deep Water Lowering Crane)
  • Pearson’s Candy Company (Product load station and lift-and-transport hoist)
  • Remmele Engineering, Inc. (Special conveyor infeed system)
  • Sandvik Mining (Blast Hole Drill Rigs)
  • Stronghold Safety Engineering (Machine Safeguards)
  • Superior Tool (Special machines and tooling)
  • Tetra Pak (Milk carton filling machines)
  • Thiele (Series 60 carton packaging machines)
  • TL Systems (Pharmaceutical filling machines)

EDUCATION

  • Basic Physics (Normandale Community College)
  • Calculus I through IV (North Hennepin Community College)
  • Advanced Mechanical-Electronic Design (Associate Degree, Minneapolis Drafting School)