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Methods of Making your Systems & Control Project
There are several different ways to make the casing that holds your PCB batteries and other components. This presentation shows you the different methods and outlines the advantages/disadvantages. You need to make a decision about the best way to make your casing in the next few weeks.
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Methods of Making your Systems & Control Project
This casing has been laser cut from Acrylic and glued together with Tensol cement glue. + Exceptionally clean and precise + Allows details/writing to be etched/cut onto any surface + Can use a variety of colours including transparent - Not able to do curved/organic shapes Need to consider the thickness of the plastic when working out the dimensions Gluing can be fiddly and can stain the Acrylic Does not result in a particularly strong structure Costly and heavy
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Methods of Making your Systems & Control Project
This casing has been built up in laser cut Acrylic layers and glued together with Tensol cement glue. + Exceptionally clean and precise + Allows details/writing to be etched/cut onto the top surface + Can use a variety of colours including transparent + Does allow more curvaceous shapes + Allows you to have complete control over the internal structure - Time consuming and incredibly uneconomical Gluing can be fiddly and can stain the Acrylic Costly and heavy
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Methods of Making your Systems & Control Project
This casing has been vacuum formed from polystyrene over a mould built up from layers of laser-cut MDF. + Consistent, clean shape formed + Details/writing can be etched/cut onto the top surface + Can use a variety of colours although not a combination + Allows more curvaceous shapes + Shape is made in ‘one go’ without the need for gluing + The mould can be re-used (good for batch production) + Structure is light-weight - Base needs to be made separately and can be difficult to attach Limits on the size and depth that can be vacuum formed Possibility of ‘webbing’ on complex shapes Structure can seem flimsy Vacuum formed shape needs to be cut from sheet
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Methods of Making your Systems & Control Project
This casing has been vacuum formed from polystyrene over a mould consisting of a separate solid object. + Consistent, clean shape formed + Details/writing may be etched/cut onto the top surface + Can use a variety of colours although not a combination + Allows more curvaceous shapes + Shape is made in ‘one go’ without the need for gluing + The mould can be re-used (good for batch production) + Structure is light-weight - Base needs to be made separately and can be difficult to attach Limits on the size and depth that can be vacuum formed Possibility of ‘webbing’ on complex shapes Structure can seem flimsy Vacuum formed shape needs to be cut from sheet
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