Tank Baffle’s and Roto Moulding Design Comp

Posted On August 30, 2009

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I have been looking into a range of baffles that may be used in the design for my water tank. There is a large range of baffles out there, but what system I choose to you may be directly dependent on my manufacturing process. At this stage I have looked into tank separators and pours aluminium foam baffles. These two baffles will be the most practical for the tank as the foam could possibly be inserted afterward without having to create a join in the tank. However at this stage I am leaning toward separators. From what I can understand it may be possible to design a baffling system that can be roto moulded directly into the component. Over this week I will flesh out a few designs and after the break I will have a talk with Ian Wong to discuss my design approach. Rotational moulding also allows for a flame retardation additive.

These are images of numerous baffling systems out there.



Rotational Moulding Design Award…

Student Design Award for Rotational Moulding

CAD Prototyping

Posted On August 25, 2009

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Mid Semester Review Document

Posted On August 24, 2009

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Royal Commision Executive Summary

Posted On August 20, 2009

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Bellow is a link to the Royal Commissions Executive Summary. The summary basically summarizes the entire inquiry. I don’t intend to read the entire document as its massive however I will read the relevant chapters and the summary to see how the findings may potentially impact my design. This may be either directly or indirectly.

Executive Summary

Tray Mechanism Cut Laser Pattern

Posted On August 11, 2009

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Laser File

Solidworks Tray Mechanism Prototype

Posted On August 11, 2009

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I have been using Solidworks to prototype the mechanism for the lowering and raising of the tray at the rear of the vehicle. The models are very crude however have been extremely useful in aiding my understanding of how the tray will telescope and move as it moves up and down. It allowed me address hinge points, rotation points and points that need to be pinned. Video one is a model of my initial idea however was found not to work once prototyped. Model 2 is a resolution and the most likely scenario for my final model.

Model 1 didn’t work as it would require 2 pins through the holes to stop the brace from moving once in position. However when the tray is in the down position the holes don’t line up and therefore won’t work. Also the bracket takes up a lot of room when in the down position and I intend to store additional hoses under hear as well as the spare tyre.

Model 2 simply telescopes. I actually didn’t think this would work but surprisingly it does. This system would only require one pin. However a ratchet system may be used to eliminate this altogether.

I will try replicating this model using laser cutting.

Experimenting With Design Layouts In 3D

The above process is a 3D exploration of a potential design idea. The prototype involves the configuration of the pump hose reel, drafting hose, canvas hoses, foam system and fuel storage in a limited space. The idea aims to have these components reconfigured in a new slip on unit leaving the plumbing and water tank permanently attached to the vehicle. The pump and hose reel will clip on to the permanently plumped tank via a flexible hose. This idea aims to make the water tank a permanent fixture, so it may be utilised in the winter period as a work accessory. The tank will take up very little extra space on the tray therefore causing no trouble only benefits. I have drawn numerous layouts however without experimenting in 3D it is extremely hard to tell exactly how and where particular items may and may not fit. The prototype is a modification of an earlier prototype of my participatory toolkit, and can simply be added to or further explored as the design develops. I now plan to continue exploring my findings through sketches and continue using prototypes to understand any further problems.

Landcruiser CAD Model So Far

Posted On August 10, 2009

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I have began the CAD modeling for the body of the vehicle. I have started this at this early stage as a plan to get the front section CNC milled in 3 or 4 sections. This will take a bit of time so the earlier I can have it done the better. I will also potentially be able to use the full chassis for prototyping if I have the model completed in time.

Scale Protyping…

Posted On August 6, 2009

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As the design reaches its final stages of layout and operation the facts of fit and size need to be explore and justified. I have done numerous sketches to suggest how the design may look and operate but scale sketch really doesn’t do enough to help me understand if particular items etc will fit in relation to the solid vehicle structure and other components. A 3d prototyping process using card, paper cad and laser cutting process will help me identify these problems.

Over the coming week the following items will be rapidly protyped and explored further in 3d. I will also endevour to upload some sketches to identify areas I intend to investigate in 3D.

Slip on firefighting system: Pump positioning, hose drawer, hose real, jerry holders, foam system and plumping.

Final tank configuration and volume.

Toolboxes configuration.

Just A Quick Whirl On The Tablet

Posted On August 4, 2009

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This is just a quick play with the tablet. I intend to use it to render most of my images as the design develops.

More sketches have been upload to the “Sketchs 4th Aug” tab at the top of the page. There is numoures more sketchs however the ones developed in grey ink have not been uploaded as they don’t display very well when scanned.

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