In modern kitchens home Cookes face difficulty in multitasking while cooking. Say you need to chop ingredients or grab some spices from a shelf all while keeping your soup, risotto, stew, chili or whatever it may be constantly stirred. My team and I for our ME Design class focused on this one issue and aimed to build a device to autonomously stir food and be customized for different utensils and purposes. 

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The fully fleshed out concept for this project ensured strict FDA compliance as well as rigorous analysis of the mechanism to ensure it would hold up under forces of typical use case. Completing powertrain calculations, the frame and mechanism analysis, together with fatigue analysis ensured this device would be structurally sound for its entire lifecycle. 

 

Here is what we did specifically to flesh out the design:

- Identified market solutions; their prices, functionalities, etc.

- Design version 1.0 completed | Onshape for streamlined PDM

- Review of design (pain-points, materials, ergonomics, weight, etc.) 

 

After some time, the final version of the design was released and approved by the professor. Next step was to perform all the calculations.

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Calculations performed:

Component analysis

- Clamping handle

- Mechanism frame

- Spoon attachment holder

- Summary of results

Connections analysis

- Clamp and Rail Interface

- Pulley to bearing

- linear rail to frame

- summary of results

Powertrain Analysis

- Main pulley and belt