Rapid Prototyping Technologies - Questions and Answers

 

The author of the management report "Rapid Prototyping for Competitive Advantage" will answer questions arising from the report and also general questions concerning strategy, implementation, management of change etc. relating to rapid prototyping. Specific advice cannot be given.

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Rapid Prototyping - Questions Already Submitted and Answers

Q5. I would be grateful if you could comment on the following question: In your opinion what are the main benefits and disadvantages to rapid prototyping?

A5. It is necessary to examine this question in the context of business strategy and strategic objectives. One company's perception of a disadvantage in the context of one particular strategy, might be seen by another company in a different way in the context of another strategy. Overall rapid prototyping technologies should also be examined in the light of other technologies and what they might offer in terms of benefits. In the end it's a matter of resources, priorities and business content and making a list of benefits and disadvantages independent of these factors is not necessarily helpful.

 

Q4. I was hoping it would be possible to gain some information on how to implement rapid prototyping within an organisation. I was looking to gain information on bench-marking and the criteria required to implement rapid prototyping successfully.

A4. A big question covering many issues. It is hard to condense an answer into a few words. The best starting point is to understand the application potential of these technologies and to sort out the strategy first. Then pick the applications to match the strategy. These applications may be additional to any specific problems that you are trying to resolve. Our management report is designed to help people take the first steps in this area. I suggest that you obtain a copy. It will also prepare you to speak with consultants, rapid prototyping vendors and rapid prototyping bureaux.

Q3. Our specific requirement is to digitise (or otherwise) an existing clay model to be scaled up and rapid prototyped to provide a pattern for carbon moulding. Please advise.

A3. This sort of question is difficult to answer - one needs to know a lot more specific detail before making any comments. I suggest that you contact a number of rapid prototyping bureaux. They are likely to have the necessary technology or know where to sub contract work, and will have a better understanding of the fit between specific rapid prototyping processes and carbon moulding. Choosing a specific rapid prototyping technology requires specific technical expertise and knowledge of the processes. Our focus is more on the strategy, identifying the potential applications, cost and benefits, technology implementation and change management. These are the types of matters covered in our rapid prototyping report.

 

Q2. I have to carry out a cost/benefit analysis, but I am not sure how to effectively structure this. Could you please provide guidance.

A2. To establish the benefits and costs one first has to understand the application potential. Only when one knows the possible applications can one determine the costs. These costs can be quite varied. There are obvious ones such as the rapid prototyping machine itself, any ancillary equipment required for post processing models, but also the cost of a host of hidden extras. These stem from two sources. The first source of hidden cost stems largely from: the need to possibly modify existing computer-aided design systems; additional secondary technologies required to transform models into tooling and components; further equipment required to reduce and eliminate health and safety risks; and so on. The second source of hidden costs stems from organisational and human resource issues. These amount to more than just the obvious training costs associated with learning how to operate the new equipment. The main additional cost is that associated with organisational changes which are likely to be needed for several reasons. These are the sort of issues addressed in the management report. There is a chapter on the potential costs as well as a chapter that deals with the preparation of a business case.

 

Q1. I am interested in obtaining physical properties and aging data on materials used in rapid prototyping... particularly stereolithography, laser sintering, and fused deposition processes. Also, can prefabricated components be incorporated in any or all of these processes? Example: Metal or composite spokes placed in the
stereolithography bath and hub and wheel generated around the spokes.

A1. This question is of a very technical nature and our focus in on strategy and
implementation. We suggest as a starting point that you visit the following web site:

http://www.sme.org.rpa

You might be able to find answers to your questions or a hint on where to find someone that can provide an answer. You could also contact rapid prototyping process vendors.

 

 

 

 

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