Bsc Production process
Beginning the production process by testing different sensor components using the ardunio checking which sensors can be used with the sound system provided for us ,and adjusting the resistance of the components in order to achieve the maximum potential the sensors can achieve for the product . This is where I discovered the use of motion sensors in my product to be very useful as a hands free sensor.
The image below indicates the testing process of the sensors
An LDR was used in my product so I had to improvise with the shape of the product in order to achieve a well designed and aesthetically pleasing final piece this required me to solder on the resistors on to the wires so that the components are more easy to move around and can be placed in shell more efficiently.
The image below shows the final outcome
Step 1 mapping out a shape
Step 2 beginning to form a shell to place components
Step 3 start sanding down edges
Step 4 start adding finishing touches
The experiences I have gained from fields has become a great experience for me ,this is due to the fact the general subject was displayed in a fashion where the subject became interesting and informative. The ways this field was interesting was due to the brief itself ,which was to produce a product using the Arduino that’s users can interact with . The brief itself was a broad and open allowing freedom in the design and making of the product ,I personally thought this worked well because we were able to experiment with multiple of components and not being restricted. The field itself has taught me a lot in terms of how a circuit works and how to read coding to an extent where if given a piece of coding I have personally not written I can understand the language .The whole experience was most effective when we were put into groups becuase I personally was able to gain some teamwork experience as well as taking a leadership role allowed me to gain confidents and had found that the team worked more efficiently with some structure. Also when we were producing ideas for the final designs we were able to gain outside knowledge into the ideas becuase of the mixture of different subjects in the groups ,this created a more creative and well thought out final idea. The final idea ended up as an interactive glove which uses LDR sensors to react to the users finger movement ,we as a group felt this related to the brief very well becuase we used movement as the main reactions that will activate the sensors creating a relationship between user and product. One factor I would change however if I were to do the project agian would be to leave more time for the production stage so the final outcome would have become more aesthetically pleasing .The only thing I would change about the field would be to incorporate the Arduino more earlier than later so we gain more experience and gain more time to experiment. In conclusion I felt that this field had become very useful in terms of relating what I have learnt to my subject and I can defiantly see myself using what I have learnt in class to my subject areas .
These are several different methods
Rotational moulding involves a heated hollow mold which is filled with a charge or shot weight of material. It is then slowly rotated (usually around two perpendicular axes) causing the softened material to disperse and stick to the walls of the mold. In order to maintain even thickness throughout the part, the mold continues to rotate at all times during the heating phase and to avoid sagging or deformation also during the cooling phase. The process was applied to plastics in the 1940s but in the early years was little used because it was a slow process restricted to a small number of plastics. Over the past two decades, improvements in process control and developments with plastic powders have resulted in a significant increase in usage.
I have also been able to witness the rotational moulding at first hand in two different factories , Numantic international where they produce the very famous henry vacuums and Leafield corporations where they specialise in using rotational moulding as a main production method. We witness first hand the step by step process that rotational moulding will need to do.
Advantages of rotational moulding is that its a low cost production which can also use recyclable materials to produce the products also another advantage is that you can use rotational moulding to produce all different kinds of forms using the one machine, the only thing that need to be changed is the frames .
Disadvantages of rotational moulding is that its a slow production process which require the product to be cool down , also the product itself is not always consistent and the wall thickness of the product itself cannot be the same thickness and with the design there are restrictions such as not being able to create open areas due to the manufacturing method.