To create the V2.0 concept design, the team took the results learned from the V1.0 prototype and combined them with aesthetic inspirations drawn from the organic forms of underwater environments. This culminates in a sleek surface that improves device movement and reduces water friction, and a sturdy structure in the shape of double curvatures that is resistant against water pressure.
The prototype was manufactured using advanced manufacturing processes that provide high precision to each piece for their assemblies. The manufacturing processes used were:
- Laser cut
- CNC Milling
- CNC Turning
- 3D print
- Powder coating
The materials were selected with the purpose of resisting seawater-induced corrosion. Stainless steel sheets and bolts were used in manufacturing.
The general dimensions of the V2 prototype concept was decided after collectively considering all electrical components and sensors used not only in the current version but also previous ones. This means the design process started with the placement of functional elements – components and sensors – inside the prototype at their optimal location; only then did the dimensions and final form take definite shape.
The allowable maximum dimensions of the ROV were also contingent on the manufacturing processes, whose selection were in turn constrained by the budget allocation to this prototype version and influenced by the lead time of each process. At the moment, two manufacturing processes were proposed: 3D print SLA or milling process for the main body.
In terms of colour, a degree of contrast the prototype should have from its surroundings is desirable. Case in point, marine creatures tend to possess contrasting colour mechanisms for camouflage or warding off predators. Also, the ROV and its location must be identifiable to observers from the ocean surface; thusit is beneficial for the ROV to have contrasting colours from the sea-floor.
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