1 / 7

Structural Design Considerations for Chassis and Drive-Train with Zero Turn Radius

This document outlines critical structural design considerations for creating a chassis and drive-train system with a small or zero-degree turn radius. Key factors include wheel size, weight distribution, and center of gravity, which help determine the chassis dimensions. The design considers multi-directional wheels, suitable friction materials, and effective steering mechanisms. An octagonal chassis made of aluminum is proposed, incorporating two decks and modified servos for movement. Potential structural issues like stress on servo shafts, vibration, and design flexibility are also discussed.

padma
Download Presentation

Structural Design Considerations for Chassis and Drive-Train with Zero Turn Radius

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Structural Design Considerations • Small or 0° turn radius • Given size restriction and ground clearance • Friction • Type of drive-train • Weight and center of gravity location

  2. Wheels • First considered to determine range of chassis size to work with • Quantity and type which help with finalizing drive-train • Explored track style, multi-directional and standard hobbyist rubber wheels • Size to provide enough ground clearance

  3. Chassis and Drive-train • Shapes and sizes • Square, triangular and rectangular • Material • Lightweight and easy to machine • Deck quantity • Quantity, speed and torque of motors • Steering mechanism

  4. Wheels-Current Design • Multi-directional • Rubber coated to provide enough friction • (4) 4” diameter wheels • Assembled 90° apart • Provides 0° turn radius

  5. Chassis and Drive-train/Current Design • Octagonal shape keeping wheels 90° apart • Aluminum chassis • Two decks • Four modified servos to drive • No steering required

  6. Rough Assembly Sketch

  7. Possible Structural Issues • Amount of stress on shaft of servos • Possibly perform FEA to determine max stress • Clearance with face of wheels • Approach carpet/ramps at different angle • Change wheels (last resort) • Vibration • Change thickness or material of chassis for more flexibility • Shock absorption on wheel (last resort)

More Related