Welcome to Our ME182 Project Journey!
Welcome to the official documentation site for our Yeditepe University ME182 Project (Group 14-A). Over the course of this project, we will be diving deep into the mechanics of an everyday tool to understand how it transforms human effort into rotational force. Our subject of choice? A classic manual hand drill.
Why Are We Doing This? (The Purpose)
The primary goal of this project is to bridge the gap between theoretical mechanical principles and real-world application through Reverse Engineering. By dissecting a fully functional manual hand drill, we aim to:
- Understand the internal gear mechanisms and power transmission.
- Develop practical skills in part measurement and geometric analysis.
- Master 3D modeling using Cloud-based CAD software (Onshape).
- Learn the tolerances and physical constraints of additive manufacturing (3D Printing).
How Will We Achieve This? (Our Methodology)
To successfully complete this project, we have structured our workflow into four main phases:
- Step 1: The Teardown (Disassembly & Analysis) First, we will completely disassemble the manual hand drill down to its smallest components (gears, shafts, handles, and chuck). We will measure each part meticulously using calipers to extract their exact physical dimensions.
- Step 2: Digital Reconstruction (CAD Modeling) Using Onshape, we will draft and model every single individual component in 3D. Once all parts are modeled, we will digitally assemble them to ensure the gear ratios and physical constraints align perfectly with the real-world tool.
- Step 3: Continuous Documentation As we measure, design, and assemble, we will be regularly updating this blog. You can expect to see photos of the teardown process, screenshots of our Onshape workspace, and short videos of our digital assemblies in motion.
- Step 4: The Ultimate Test (3D Printing & Prototyping) A digital model is only as good as its physical counterpart. In our final phase, we will select a critical component from our CAD assembly and manufacture it using a 3D printer. We will then replace the original metal/plastic part with our 3D-printed version inside the actual drill to test if it fits perfectly and functions under real mechanical stress.
The End Goal
By the end of this project, we hope to have a complete, mathematically accurate digital twin of the hand drill and a physical proof-of-concept showing that our reverse-engineered parts can seamlessly integrate with the original mechanism.
Stay tuned for our first teardown update!