Drill Powered D-Lock Cutter

Summary

For this project, a product was designed to allow council workers to remove illegally parked bikes easily, by cutting the D-Locks (maximum diameter 25mm and grade 40-60 steel). The design was able to cut roughly 11 locks per battery, and be suitable for carrying in the specified carry case (product has a mass of 14.8kg). The basic principle of operation was a lead screw, via a link mechanism, causing two blades to converge, cutting the D-Lock shaft. The report details the general stress and mechanics analysis conducted to reach this end design, and the ideation process used to reach a final workable design.

 

3D Model (SketchFab)

 

Renders

 

 

Design Report

To be uploaded soon.

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