Analysis of aspects of design for excellence, Electrical Engineering

Assignment Help:

We commissioned a 'bad practice exemplar' by asking Plexus to modify a good design (provided by Valor) to demonstrate the most likely kinds of faults in each of the areas Design for Fabrication, Design for Assembly and Design for Test. The board is a 'fairly busy' real design, and is representative of a typical board of the 2000 vintage, so it deliberately does not operate at the state-of-the-art boundaries. It has been screened by the CAD system, so there are no gross errors, but the check was done against an minimal set of rules such as those that might be applied by an uninformed user, leaving a number of issues for you to spot.

Your task is to identify and evaluate the problems, and suggest ways in which they might be put right. In doing this you will have to apply the course material to this deliberately incorrect design, using the many sets of guidelines found in it and during your own research. Where necessary, you will need to create a solution that will be the 'least worst' compromise between competing objectives.

You will also have to meet the demands of your partners: preferences vary between different fabricators and assembly shops, which is why every company publishes these, often on their web site. To provide a level playing field for everyone, we have provided sets of model rules for both fabrication and assembly. However, you may well find from your own research that some aspects of these rules are unduly restrictive, and wish to suggest negotiation with (or even changing) your company's suppliers.

Preliminaries

You first need to examine

  • the Gerber files for the Bad practice exemplar
  • our Model rules for fabrication and assembly

Requirement

Compile a report summarising:

  • your explanation of the areas of poor practice
  • your suggestions for improving each of these three elements separately and the design as a whole
  • your recommendations as to how the company should approach the design improvement task
  • the other aspects of "design for excellence" that apply to this product.

You should assume that the members of your audience are designers, who have some knowledge of the basic processes but do not have detailed understanding of the manufacturing requirements.

As a guide, you are unlikely to include all the points we expect to find if your main report has fewer than 1,000 words..

As always, you are strongly recommended to re-examine your draft report and conclusions to check that you have covered all the elements required in the report.


Related Discussions:- Analysis of aspects of design for excellence

Electronics, why bypass capacitor is used

why bypass capacitor is used

Calculate the starting torque, A squirrel-cage inductionmotor operates at a...

A squirrel-cage inductionmotor operates at a slip of 0.05 at full load. The rotor current at starting is five times the rotor current at full load. Neglecting stator resistance and

Determine the input resistance between terminals of circuit, Q. Consider Fi...

Q. Consider Figure of the weighted differencing amplifier. Let R 3 = R 1 and R 4 = R 2 . Determine the input resistance between terminals a and b of the circuit.

Voltage transfer function of the high-pass filter, Determine the voltage tr...

Determine the voltage transfer function of the high-pass filter circuit shown in Figure, and find the expression for ω 0 .

Illustrate the internal architecture of 8085, Microprocessor 1. Write a...

Microprocessor 1. Write an assembly language program to find the highest among two numbers. 2. Draw and illustrate the internal architecture of 8085 briefly. 3. What is t

Electric current, Electric current   Electric current is a flow ...

Electric current   Electric current is a flow of electrons. Each electron carries a very small amount of negative charge (1.6 x 10 -19 coulombs)   A current

4gls - fourth generations languages, 4GLs (Fourth Generations Languages) ...

4GLs (Fourth Generations Languages) These  are called  non procedural  languages May be considered as  advanced HLL. Objects oriented programming  languages and language  with

Accumulator - registers , Accumulator - Registers It is an  8 bit  re...

Accumulator - Registers It is an  8 bit  registers which  is the most  important  part of  the arithmetic  and logic unit.  It is used to store  8 bit  data.  The result  of

Machines 1, diagram of armeture reaction

diagram of armeture reaction

#choke coil, #what is the procedure of the choke coil experiment

#what is the procedure of the choke coil experiment

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd