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Flashcards in Reverse Engineering Deck (9)
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1
Q

What is reverse engineering?

A

The process of reproducing a physical object with the aid of drawings, documentation, computer model data or a physical object

2
Q

In the context of AM, what is reverse engineering typically aided by?

A

A form of scanning technique to acquire the 3D geometry of a part

3
Q

What are some areas of reverse engineering?

A
Software
Mechanics
Electronics
Materials 
Biology
4
Q

What is a risk associated with reverse engineering?

A

Beware of patent infringement if too closely copied

5
Q

Why use reverse engineering?

A

Legacy - where data doesn’t exist or has expired
Products that are no longer produced
Analysing competitor products
Hand crafted - cannot be produced manually via CAD
Modifications - where a product is modified in production without anyone recording the changes
Natural - where natural products are in question such as human bones/body parts etc…
Inspection - where RE is the most effective route to determining potential failures and understanding improvements

6
Q

What are the process stages for reverse engineering via AM?

A
  1. Original component
  2. Data captured
  3. Data processed
  4. CAD/required data
  5. STL file
  6. Set up build
  7. manufacture component
  8. Post process and inspect
7
Q

What is the generic reverse engineering process for geometry?

A
  1. Data capture, measuring and drawing, scanning (contact/non-contact)
  2. Data processing, manual modelling via CAD, point cloud processing, recombination of layer
  3. Output, surface model, 3D CAD model
8
Q

What are some methods of preventing reverse engineering?

A
  • knowledge, limiting knowledge of tech within a company
  • Secrets, keeping product details a secret to only key employees, prevents potential information leaks
  • Redundant artefacts, by adding redundant code into software programmes, manufacturers are able to spot RE of products much faster
  • Complexity, maintaining a high level of complexity so it is difficult to copy
  • Quality, counterfeits remain a lesser value to the original product
  • IP, only valid to protect certain elements of an idea and can be easily bypassed
9
Q

What is an example of a key RE case study?

A

Richard III skeleton

Replica made of his skeleton using 3D scanning and SLS to produce a replica