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Robotic Painter Prototype
Final Report 9/14/2010
Ryan G. Rosandich, Ph.D.Department of Mechanical and Industrial Engineering
University of Minnesota Duluth
The ProblemPlacing messages onto the roadway surfaceincluding stop-walk messages or left or right turn arrowsis accomplished using stencils and rollers.
Can a robotic message painter be developed wherebymessages could be applied automatically from an operator position?
Design Process First student design team
Fall semester 2009Mechanical structure designFabrication
Second student design teamSpring semester 2010Paint delivery systemLinear motion componentsPower and air supply
Students Involved
Ryan Bowlds Matt Erickson J. T. Gaige Chad Hoel Kenn Houk
Nathan Kurlinski Tyler Stusynski Ben Waldera Kyle Woodley
Paint Delivery System
Single paint head due to cost ($500+)Graco AL Airless gun
Electric airless pumpGraco Magnum X7
Linear Motion Components
Techno-Isel Voyager Belt SlidesServo motorsGear boxes
Galil Motion ControlControl boardServo amp
Power supply
Specifications
Paintable area 98 in. x 47 in. (2.5 m x 1.2 m) Painting speed 12 in./sec. (300 mm/sec) Painting width 4 in. (100 mm) Paint pressure 2500 psi (17.5 MPa) Air pressure 80-100 psi (.56-.70 MPa) Max power demand 3000 W Single operator
What We Can Paint
Letters: A-Z Words: STOP SLOW TURN XING Arrows: straight, right, left, combos Symbols: RXR, handicap, bike
Budget Status
Paint delivery above budget Mechanical structure below
budget Electrical and controls on
budget Salary below budget Total project below budget
Expected Benefits
Improved SafetyFewer workers, less time exposedOperated from a distance
Improved ProductivitySingle operator, faster painting
Improved FlexibilityNot limited to standard stencils