13 - Egg Cracker Robot

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Egg Cracker Robot Final Design

Team Members:

Nate Hughes, Luis Moncada, Marco Portillo, Richard Wille

Summary/Overview:

Cracking an egg is a simple yet delicate task that requires precision and control. Our project aimed to develop a mechanism that automates this process, ensuring a clean and efficient way to crack eggs and empty the contents without shell contamination. The design focused on handling eggs of varying sizes while maintaining consistency and reliability.

This project explored different mechanical approaches to securely holding, cracking, and separating the shell. Flexible TPU egg holders were designed in order to accommodate eggs of different sizes during the cracking process. A slider-crank interfaced with a rack and pinion was used to initially crack the egg and rotate the halves to open the egg. Mirrored four-bar mechanisms were used to push the empty egg shells out of the TPU holders. See the demonstration video below for an in-depth explanation of each of these components.

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Demonstration Video

Table of Contents: 

• 13.1 - Project Proposal

• 13.2 - Kinematic Analysis

• 13.3 - Initial Prototype

• 13.4 - Design Process

• 13.5 - Implementation

• 13.6 - Final Demonstration

• 13.7 - Conclusions & Future Work