Transmissions & Gearboxes

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FRC Robot Mechanical Principles

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Presentation transcript:

Transmissions & Gearboxes By Michael Leicht

Mission Statement This presentation will help teams understand what resources are available in order to help the build process along. Disclaimer: This presentation is a tool of what gearboxes are available on the market. We do not endorse any of these companies in this presentation.

Background Information B.S. Mechanical Engineering From Daniel Webster College in 2011 (FIRST Scholarship) Currently work as a Project Engineer at Enviro-Clear Co. INC. in High Bridge NJ 10 Seasons FRC experience (Team 303, 42, 2342 & 1403)

Retail Outlets Andy Mark INC. Innovation First: Vex Pro Series WestCoast Products & Design LLC BaneBots

Drive Train

Drive Train Basic Drive train is a basic element of the robot that provides motion Different styles of drive trains provide different benefits A competitive robot starts with a well designed drive train A drive train is made up of motor(s), transmission & wheels.

Drive Trains Single Speed Gearboxes Multi-Speed gearboxes Mecanum Drive.

Andy Mark AndyMark ToughBox (+3 motor, & Nano) CIMple Box

AndyMark (Cont.) Dual Speed Transmission 1st Gen Super Shifter Sonic Shifter

Single Speed Single Speed (Single & Double Reduction)

Dual Speed- Ball Shifter

West Coast Products Single Speed (2 CIM or 3 CIM) West Coast Drive Option

West Coast Products Dual Speed- Dog Shifter Option of Power Take Off (PTO)

Gearboxes Another important element of a FIRST robot is the scoring device. Gearboxes reduces the speed and increases the torque which can be used to allow joints to rotate.

AndyMark Gearboxes Planetary Gearbox Worm Gearbox CIM-Sim

BaneBots Gearbox Planetary Gearboxes (775, 550 & 395 Motors) 35 ft-lbf Torque Limit Reductions Range (4:1 to 256:1)

VexPro VersaPlanetary (775, 550 & AM9015) Reduction Range (3:1 to 100:1)

Custom Gearboxes Challenging but rewarding to design and build a gearbox. Plan the gearbox out and every detail(bearings, hex shafts, keyed shafts, motors, gears, & bearing plates)

Think & Plan Features Two speeds Ability to change speeds Robust VS. Light weight Assembly time Custom Parts VS. Off the Shelf Concept VS. Reality

FRC 1403 2013 Drive Train

FRC 1403 2013 Shooter Gearbox

Resources www.cheifdelphi.com www.andymark.com www.vexpro.com www.Banebots.com www.wcproducts.net

Questions?