Roelof H. deVries, P.E Mechanical and Agricultural Engineer
- Typical Areas of Consulting: agricultural machinery, turf care equipment, construction equipment, specialty off-road equipment, dump trucks, OTR trailers, hydraulics, mechanical equipment failure analysis, off-road vehicle stability, safety.
- Master's Degree in Agricultural Engineering, Bachelor's Degree in Mechanical Engineering.
- Registered Professional Engineer PA. MD
- Member SAE, ASME.
- Provides instruction, lab supervision, and course development in Machine Design, Strengths of Materials, Engineering Design, Engineering Drafting, Computer Aided Engineering at University of Pittsburgh at Johnstown.
- Supervised and participated in design and project management for new product development, product improvement, stress analysis, specification development, warranty, and failure analysis for dump truck bodies, dump trailers, transfer trailers for solid municipal waste, pushout trailers, walking-floor trailers, and specialty equipment including frac sanders, custom trailers and fire trucks.
- Responsible for all aspects of starting production of forgings for automotive driveline parts, design and supply of forging tooling, and logistical support.
- Supervised and participated in design and project management for new product development, product improvement, warranty and failure analysis, protyping and testing, manufacturing engineering, and technical publications for line of turf care equipment and sod farm equipment, including turf tractors, mowers, snow removal equipment, ground-working attachments, turf maintenance equipment, sod harvesters, wider-area rotary mowers, transportable forklifts, high-capacity vacuums, sod laying equipment, and golf course maintenance equipment.
- Provided design and project management for industrial tractors and tractor-loaders.
- Designed process equipment for frozen dinners and cookies.
- Designed tooling for agricultural equipment.
- Designed and Developed mine refuge alternatives for compliance with new MSHA regulations.
- Authored 7 patents for Sod Harvesters, Mowing Deck, and Cookie Sandwicher.