Mechanical toys

I have decided to create the 'ocean motion' mechanism. it involves a crank and cams. it also involves rotary motion on a horizontal axis and reciprocating motion. i am doing the same desgin as what is on mechanical toys and it suits the mechanism and looks cool when the crank is rotated.

today i went through the ideation phase. I practices making a few different designs on pro desktop by revolving them but some just didnt look that appealing. i kept trying and eventually i found a design that i really liked. and turns out Mr ward also really liked it as he gave me a chocolate for my design.


:)

this week using the CAD textbook we created 2 cart wheels using the program por desktop. these took quite awhile to make but the finished product looked GREAT! we also started lookin up pictures on the internet of different types of vases to start thinking about our assessment for the ideation phase.

:)

New unit!!!!!!

This term we are using the program on the school laptops called pro desktop. this is a very fun program because yo can create a lot of different things but sometimes can get a bit frustrating. in the past lessons we have been playing around and designing our own shapes and exploring the program, and we have learnt many new things such as Drawing shapes, selecting edges, selecting faces, selecting parts, extrude profile, revolve, project profile, duplicate, dimensions, toggle construction and many other cool features.  But our assessment this term which is now underway is to create a vase and a stand. this is to be done by using our knowledge and design skills to create something extraordinary and something that will stand out.

Evaluation

FUNCTION:

Does the artefact do what it was designed to do?

Yes the desk tidy was meant to hold a variety of items to declutter my desk space, which is exactly what it has done.

Does it perform effectively and efficiently? 

Yes it works well effectively, cleaning up my desk space in a small and efficient way saving a lot of space on my desk.

what improvements could be made?

it could have been made with more side shelves to allow for more books to be held and it could have been made smaller so it doesn't take up as much room on my desk.

AESTHETICS:

I am very happy with the aesthetics of my desk tidy. The colour of my desk tidy that i chose was white. this was because my desk at home is white and i wanted it to match nicely. however, i wish i have added a little more colour to it as it is a bit too plain and boring and colour would have made it more exciting.

The shape of my desk tidy was interesting and different but was simple. this i found was very effective, as something something plain is better. overall i find my desk tidy very appealing and i would even consider buying one that looked like this in the shops.

ERGONOMICS:

my desk tidy is very convenient being fairly small, compact and light weight fitting on my desk space perfectly allowing my things to be decluttered. it is very useful when it comes to homework or study time as it allows you to place your ipad, phone, books and any other gadgets on the shelf, to give your more room to work. there is no safety issues when it comes to faults as the pieces very strongly and carefully glued together using a very strong acrylic glue, so this means that desk tidy will not collapse. they will also be no injuries when it comes to cuts as the sharp edges were all sanded down to soft curves.

ECONOMICS:

This desk tidy was very cheap to build making it very cost effective although it took a lot of time to make. Prices are as listed: 

1 acrylic sheet 122cm x 244cm = 29768cm2

2444cm2 (how much used) x 29768 (size of 1 sheet) x 95.70 (cost of sheet plus GST) = cost of desk tidy

2444 x 29768 x 95.70 = $7.85

therefore my desk tidy cost approximetely $7.85

these are pictures of my finished desk tidy

assignment questions

1.         Choose 2 machines that you used in the fabrication of your desk tidy. With these machines in mind, outline WPH&S considerations that must be adhered to when using these machines. Include photographs of your chosen machines (OnGuard may be an excellent resource for this question).

Band saw-

Safety procedures

·         Wear safety glasses or a face shield.

·         Wear hearing protection that is suitable for the level and frequency of the noise you are exposed to in the woodworking area.

·         Wear protective footwear when required.

·         Ensure the blade is tracking correctly and runs freely in and against the upper and lower guide rollers.

·         Use band saw blades that are sharp, properly set and otherwise suitable for the job (e.g., the right tooth pitch; tooth form; blade width).

·         Hold stock firmly and flat on the table to prevent the stock from turning and drawing your fingers against the blade. Keep hands braced against the table.

·         Keep your hands on either side of the blade - not in line with the cutting line and the blade.

·         Keep the machine properly oiled and serviced.

·         Do not stop a band saw by thrusting stock against the cutting edge or the side of a blade immediately after the power has been shut off.

·         Do not remove sawdust or cuttings from the table by hand or with compressed air. Use a stick or brush.

·         Do not leave a saw running unattended. Turn off the power and make sure the machine has stopped running before leaving the area.

REFER TO PICTURE FOR DIAGRAM

Electric belt sander-

·         Always wear safety goggles and a dust mask

          When sanding, especially sanding over-head.

·         The machine is not suitable for wet sanding.

·         Do not use sanding paper larger than needed.

         Extra paper extending beyond the sanding pad can also cause serious lacerations.

·         The dust bag shall be equipped with the tool.

        It shall be emptied frequently. To connect dust bag, insert the adapter of dust bag to the dust-collection opening on the rear end of the sander.

WARNING

·         Do not throw sanding dust on an open fire

         because materials in fine particle form may be explosive.

WARNING

·         A suitable breathing respirator must be worn

       while sanding lead paint, some woods and metal to avoid breathing the harmful/toxic dust or air.

REFER TO PICTURE FOR A DIAGRAM

2.         The material you are using for your desk tidy is called Polymethylmethacrylate (ACRYLIC). It has specific properties and uses.  Choose 2 other common polymers and in table form give their industrial name, common name, properties and uses.

	Poly (styrene)	Nylon 66
Industrial name	Polystyrene	polyamide
Common name	Styrofoam	Nylon 6/6
Properties	»        Density – 1.05g/cc »        Dielectric constant – 2.4 to 2.7 »        Thermal conductivity – 0.08 W/(m.K) »        Young’s modulus – 3000-3600 Mpa »        Tensile strength – 46 to 60 Mpa »        Melting point - 240°C »        Water absorption – 0.03 to 0.1	»        Glass transition temp – 50°C »        Melting temp - 255°C »        Amorphous density at 25°C: 1.07g/cm3 »        Crystalline density at 25°C: 1.24g/cm3 »        Molecular weight of repeat unit – 226.32 g/mol
uses	·         Imac computer cases ·         Drinking cups ·         Model cars ·         Styrofoam	·         Fabric for clothing ·         Shock absorbers at high temperatures ·         Intricate peices

3.         Extrusion, injection molding, compression molding, vacuum forming and laminating are examples of common manufacturing processes used with polymers (Plastics). Choose one process and with the use of diagrams and bullet points outline the process.

COMPRESSION MOULDING

1.      Material placed in open, heated mould cavity

2.      Mould is closed with a top force or plug member, pressure is applied to force the material into contact with all mould areas.

3.     
Heat and pressure maintained until molding material has cured

REFER TO PICTURE FOR DIAGRAM

4.      Extension Work - Using processes acquired from your math’s lessons, calculate the amount of acrylic sheet that your FINAL desk tidy represents. Show all calculations; answer needs to be in square metres.

Working out:

10cm x 11.5cm x 2 = 230cm²

20cm x 16cm x 2 = 640cm²

24cm x 20cm = 480cm²

30cm x 24cm = 720cm²

20cm x 19cm = 380cm²

20cm x 7cm = 140cm²

26cm x 19cm = 494cm²

Total= 2444cm²

= 0.2444m²

My total amount of acrylic sheet that is used to make my desk tidy was 0.2444m²

My desk tidy has been going very well being nearly finished. This past term I have been using the heat stripper, the sander, and the band saw. Here is a picture of my process so far.

New unit

This term we are required to make a desk tidy. I have done all my preparation and drafting, and now I am half way through the process of making it. It have now cut out all my pieces and am now getting ready to put them all together

Isometric drawing

18th April 2012

I am now up to the process of drawing my shapes onto the plastic and cutting them out.

Here is an isometric drawing of my design. :)

Video report (plastics and design)

Beauty of plastics is that u can incorporate anything in one part


PolyPropylene line is used to make containers. It's microwaveable and keeps it shape well

Styrene is Used in wine glasses


Bottle designers look out for different designs wherever they go


Working model can help demonstrate how objects work


'Die' is the mould that plastic goes into.


Need rim at bottom of bottle otherwise bottle will split

Ideation phase

Today we started our ideation phase for our desk tidy. Below is my idea of what I want to make.

New unit

Today we started our new unit. We got shown the design brief for our new assignment which told us that we were to make a desk tidy. Mr ward also took us into the workshop and showed us how to fabricate the acrylic which we will be using to make our desk tidy. I am really excited for this new term but I am sad that we will be getting a new teacher, I hope he is as good as Mr Ward :)

evaluation

This term the year 9 design futures students have explored and researched light. We were to design and make a small working desk lamp using LED technology. It was to be free standing and stable.

FUNCTION:
Does the arterfact do what it was designed to do? Yes, my LED desk lamp is free standing and stable and throws off light onto the desk.

Does it perform effectively and efficiently? Yes, it turns on and off efficiently and throws off a very bright light onto the desk allowing study/work to be done.

What improvements, if any, can be made to improve the artefacts function? There was only one improvement that i think should have been made.  The curve of the aluminum should have been a little greater so that the arm with the LED light is at a higher angle so the light gets thrown out further onto the desk.

AESTHETICS:


I am very happy with the aesthetics of my LED lamp. My lamp is a suitable shape for 2012 because i find it very modern. The shape of my lamp balances well with the block of Jarrah wood, it is not unstable as the angles of the shape match up perfectly. Overall the visual aspect of my lamp is very attractive and i would even consider buying a lamp like this one if it was to be sold in the shops.

ERGONOMICS: 


My LED lamp is very convenient being small and compact, light weight, and very bright. It is very useful when it comes to study, homework or reading as it will light up your page allowing you to see clearly. There is also no safety issue when it comes to electrical faults, light faults or unsteadiness as it has been very carefully wired and very carefully been adjusted so that the lamp is as steady as possible.

ECONOMICS:


This lamp was very cheap to build making it very cost effective although it took a lot of time to make. Prices are as listed:

• Aluminum- $2.40
• Jarrah Base- $2.40
• heat shrink- 15c
• LED strip- $5.85
• plastic- 45c
• cord- $2.80

In total my lamp cost around $14.05



Published 12/3/12 by Stephanie Purser

Question 5

5. Research a modern day lighting designer and comment on their contribution to the design world? Into Maurer , He was born in 1932. He founded the studio 'design m' where he designed his first lamp: 'bulb' Info Maurer was a designer rare to find, he added provocation and fun to our ever so smooth design world

Question 4

4. How can the modern home become more energy efficient in regards to lighting? If you are building or renovating your home, to make it more energy efficient try to add well designed windows and skylights to bring more natural light into your home which will use no electricity and is a great way to reduduce carbon emmissions, you could also add light tubes to allow more natural light to enter your home. You might also think bout painting your interior walls light colors, especially in the south facing rooms. This will reflect more light inside your home and reduce the need for artificial lighting. And finally when buying lights for your house, buy fluorescent lights as they are very energy efficient. Although they might be more expensive they can last 4-10 times longer than normal lights.

Question 3

3. Comment on global warming The current cycle of global warming is changing the rhythms of climate that all living things have come to rely on. What will we do to slow this warming? How will we cope with the changes? Global warming is the increase of Earth's average surface temperature due to the effect of greenhouse gases, such as carbon dioxide emissions from burning fossil fuels or from deforestation, which trap heat that would otherwise escape from earth. This is a type of greenhouse effect. I believe global warming could be minimized by setting limits on global warming pollution, invest in green jobs and clean energy, drive smarter cars, create green homes and buildings and build better communities and transportation networks. If we all work together we can bring end to this greenhouse effect for good!

Question 2

2. Define the following lighting terms: ambient light, direct light diffuser, luminosity, energy efficiency, watts? 
Ambient light- light surrounding an environment or subject, especially in regard to photography and other art work. Ambient light usually refers to natural light, either outdoors or coming through windows dictionary.com, www.mediacollage.com/

 Direct light diffuser- diffusers help eliminate harsh light and shadows and helps leave your photo's looking more natural. Light diffusion is the scattering of direct light by making it pass through a non transparent material or by bouncing it off a semi reflective surface.

 Luminosity- is the measure of stars, it measures how much energy per unit time the star is releasing. This energy is mostly emitted as electromagnetic radiation (light), however other forms of energy such as neutrino emission is also included.

 Energy efficiency: is a fundamental element in our global fight against climate change. Climate Change means, 'using less energy to provide the same service'. It's role is to combat Climate change and promote sustainable development.

 Watts: watts (W) is the international system of units (si) standard unit of power ( energy per unit time). The watt is used to specify the rate at which electrical energy is dissipated, or the rate at which electromagnetic energy is radiated

Question 1

Design futures questions: What is the actual difference between light of different colours? The wave lengths of each colour are different and are absorbed at different rates by different color objects. The light that is not absorbed by the object is the colour you see.