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Task 1

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Processor-

The processer I have selected has a speed of 3.3 GHz, which
is within the system requirements to run Autodesk Inventor 2018 for complex
models and assemblies.

RAM-

The memory chosen is 2 16 GB cards that produce a total of
32GB which is above the recommended 24GB.

Graphics Card-

A NVIDIA Quadro Pro P4000 (8GB) card has been selected as it
can easily run the desired recommended graphics “Microsoft Direct 3D 11″
program.

 

 

Hard Drive-

The hard drive has a huge amount of space at 1 TB of storage
where you only need 42 GB to install the software. Additionally I have chosen a
solid state drive which are faster, quieter and more reliable than the Hard
Disk Drives which are more affordable.

Monitor-

To optimise the display I have chosen a duel screen (to also
increase functionality) which consists of two 27” Dell Infinityedge monitors
which display at 2560 x 1440. This is again above the recommended
specifications brought by Autodesk.

The reason for being above the recommendations is so that
the computer can be used for hopefully the next couple of versions/updates and
will last a long time.

Task 2

 

Products

Advantages

Disadvantages

CAD

Using CAD has many advantages. For example programs are very easy to
use and require little personal drawings skills.
 
CAD software in the long run costs much less than any other form of
producing drawings, you do not have to pay for the physical drawings or 3D
models, you can display the whole project electronically.
 
Models and drawings can be edited and changed much easier to the
alternative methods and you can also keep a record of all the prototypes and changes
you have made to show a clear history of the development.
 
It is incredibly accurate, or rather as accurate as you would need it
to be and can be used to generate a 3D product and a drawing to reference and
create it.
 
Multiple people can work on the same project at one time.

The user/designer must have computer access with the appropriate
software and a computer that is powerful enough to run it.
 
The designer will also require fundamental training to use the
product, or will have training prior to coming into the role and may charge
more for their knowledge and expertise.
 
The work could be potentially jeopardised by malware and/or viruses.

Manual Drawings

 Drawings have a very low cost
of the equipment used, e.g. paper, pencils and rules etc.
 
Very clear from the way that manual drawings are presented about what
dimensions are for where and how it works.

The disadvantages are of course if you have a large project you will
need a large amount of space or paper to show the work you have created. This
can be time consumer and very easy to lose track of work you have already
drawn.
 
You have to go through a lengthy process to create a digital back
up/copy that isn’t always guaranteed to be clear.
 
It takes a very long time to edit and change drawings compared to CAD
which can be done very promptly.
 
You also need to have adequate storage facilities to ensure the
safety and security of the drawings in the cases of potential damage etc.

Model making

Gives you the opportunity to interact with the end user and present
to them what the finished product will look like and how it will act.
 
The model also allows you to see where problems may occur, so it
reduces risks as you can rectify any faults early on.

The model may have no use after it has been presented and may need
changes.
 
You have to pay for the model to be created, which is an unnecessary
fee considering that the model will not be of any use after it has been
presented.

Physical prototyping

Gives you the opportunity to interact with the end user and present
to them what the finished product will look like and how it will act.
 
The model also allows you to see where problems may occur, so it
reduces risks as you can rectify any faults early on.
 
You will have a series of end prototypes leading up to the final
design so you can physically view the process the product took to reach the
final design.

The prototype may have no use after it has been presented and may
need changes.
 
You have to pay for the model to be created, which is an unnecessary
fee considering that the model will not be of any use after it has been
presented.

 

Another manufacturing process that the company can implement
is the use of a Co-ordinate Measuring Machine (CMM), these are used for very
accurate measurements within a very quick time. They are universal measuring
equipment so no set up is needed for any alternative type of measuring. These
machines will only get better as new software comes out to upgrade them all.

 

 

 

 

Task 3/4 (M1/D1):

Using
your findings from the previous tasks and some guide prices below justify the
benefits that your company could get from using CAD as a key part of its
manufacturing operation. Use graphical tools such as graphs and charts to show
the costs and differences between them.

Company data:

Turnover £6m /
Profit £3m
Manufacturing 70%
Design 30%
12 major projects
per annum

 

As shown in task one, it does not cost too much money to set
up and install a computer than can process CAD, this means that with one small
sum you could then use the software for an unlimited amount of time/ amount of
projects. The machine pays for itself and more because of the fact that you
produce products from it. If the company has a turnover of £6 million then a
team of 5 CAD users with stations that cost just under £6,000 each is the equivalent
of 0.5% of the companies turn over or 1% of their profits.

Using the company Vimek as an example you can see that their
manufacturing was reduced by 50% which is transferable to this company. If we implement
CAD software we can be looking at only using 35% of the company time on manufacturing
and 30% on designing, which leaves an additional 35% to either produce more
major projects per annum or reinvest into the company elsewhere.

 

Other companies like Norgren Group have managed to reduce
their production time of their product by 6 months, leaving them with half a
year to produce more than before and increase their sales.

Additionally task two showed us that using CAD has the
highest amount of advantages compared to other methods of producing drawings.
And the only limitations are the fact that the user needs a computer and the
knowledge on how to actually use CAD.

The Computer Numerical Control (CNC) machine can be linked
to the CAD system that you have because without an appropriate CAD document you
cannot create anything on the CNC machine. Having CAD software allows you to
create your own designs to be manufactured. You can send over your designs to
the CNC machine to then load it with the appropriate material and then
create/cut out your design. This process is called Computer-integrated
manufacture (CIM).

The benefit of doing this is that you will save yourself
lots of time as you will not be manually programing the CNC machine to make the
cuts that you require. The software generates the appropriate programming to
create your part.

However the limitations to a CNC machine is that it can only
produce flat products or enclosures which you will then have to bend into
shape. Another manufacturing process that the company can employ would be 3D
Printing. This will enable them to produce 3 Dimensional products rather than just
the 2 dimensional ones that the CNC has. CAD is used in the exact same way, the
model is produced and then the files are sent over to the 3D printer where it
will then be produced layer by layer out of plastic.

 

 

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