Experience Level: Expert
We have a \"soft-open\" lid-opening mechanism (see attached picture) using torsion springs, rotary dampers, and magnets. The design is a moveable Solidworks model with mates and constraints and has never been tested. We are looking for someone to review the mechanism and do calculations or experiments to see whether the mechanism is valid. If the mechanism is valid, then we will need calculations for the proper spring, damper, and magnet forces to provide reliable and smooth opening. Next, there is overly complicated ducting that needs to be simplified for ease of injection molding, and the hinge design needs to be adjusted for maximum reliability. Next, the model has drafts and other injection molding features, but they will need to be reviewed and adjusted. Finally, the model is currently missing about half of the required hardware (screws, etc.) required for it to be assembled, so some thought will need to be spent on how to best assemble it, holes created and fastener models developed. Experience is a plus, but I am also open to people who may not have as much experience but have a very strong perfectionistic streak and a \"can do\" attitude. Similarly, a low bid will not automatically win this job - I am looking for a high-quality freelancer who will avoid unnecessary tooling respins and that I can utilize for future projects.
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