Johnston Engineering
Spokane Engineering. Mechanical Engineering & Design
Engineering Services
Our services run deep and are backed by over fifteen years of experience.
Engineering Design Services
- Product development engineering
- Engineering part design, assembly design, system design, machine design, CAD modeling, fabrication drawings
- Prototypes or design for high volume manufacturing
- Design of machined, welded, brazed, bonded, fastened, extruded, sheet metal and injection molded components
- Heat transfer equipment including cold plates and heat exchangers, manufacturing stations, industrial automation
- Coordination and partnerships with electrical engineering firms for design of printed circuit boards, cables, human-machine interfaces and complete electro-mechanical systems
Engineered Systems Fabrication and Testing
- Part procurement and inspection through strategic relationships with machine and fabrication shops
Subsystem and component assembly
Part, assembly, and system acceptance and characterization testing
Design of test fixtures for simple and quick manufacturing tests or high-precision / high-value instruments. We have designed test fixtures capable of repeatedly measuring to 0.0002 inches.
Mechanical Engineering Analysis Services
- Structural analysis, stress analysis, structural Finite Element Analysis (FEA)
- Thermal analysis, thermal FEA, Conduction analysis, convection analysis
- Computational Fluid Dynamics (CFD), Fluid flow and pressure drop modeling
- Thermal performance modeling, system modeling
- Electronics cooling and thermal management. Single phase cold plate design, Two-phase cold plate design, heat exchanger design,
Project Management and Project Engineering
- Project management and coordination of technical team including mechanical and electrical engineers, drafters and technicians.
Project schedule and budget implementation and maintenance. Proper project management ensures projects are completed on time and on budget.