Mini Crane Mechanical Engineering Project 3kg Load
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Description
This model is a functional mini crane designed for strength, easy assembly, and reproducibility. It combines realistic design, validated mechanical testing, and Arduino control. The crane can lift 3 kg reliably, with potential up to 4.5 kg after optimization.
The assembly is made of 7 parts, designed for quick and intuitive building with no slipping or misalignment. The design is inspired by industrial cranes, combining strength and a realistic look. The parts have been optimized for 3D printing to prevent breaking at stress points. Stress analysis and deformation studies were carried out in ANSYS to ensure load distribution and stability.
Printing is optimized for FDM printers using PLA or PETG. Infill and orientation have been validated through strength testing, including a stress–strain curve.
The system requires additional components to operate:
- Arduino Uno (basic model)
- Parallax 900-00005 servo motor
- Potentiometer
- Three ball bearings (example reference: SNR 629ZZ)
This project was developed with both mechanical and electronic integration in mind. It is ideal for students, makers, and hobbyists interested in robotics, 3D printing, or STEM workshops.
Keywords: diy, engineering project, mini crane, arduino, servo motor, potentiometer, ball bearings, mechanical design, stress analysis, 3D printing, prototype, student project, workshop, articulated arm, robot flexi, model.
License
You shall not share, sub-license, sell, rent, host, transfer, or distribute in any way the digital or 3D printed versions of this object, nor any other derivative work of this object in its digital or physical format (including - but not limited to - remixes of this object, and hosting on other digital platforms). The objects may not be used without permission in any way whatsoever in which you charge money, or collect fees.
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