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Plans for Sci-Fi Prototyping. Contents:- Mechanical Layout of Sci-Fi Design of the Single Stage Design Issues Still to be Addressed Future Plans - PowerPoint PPT Presentation
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1G.Barber: Mice Collaboration Meeting 29 March 2003
Plans for Sci-Fi Prototyping.
Contents:-
Mechanical Layout of Sci-Fi
Design of the Single Stage
Design Issues Still to be Addressed
Future Plans
This work is being undertaken by Imperial College and Liverpool
University physics Department (Peter Cooke), Fermilab (Alan
Bross),
KEK (Koji Yoshimura), Osaka (Yoshi Kuno, Akiro Sato)
2G.Barber: Mice Collaboration Meeting 29 March 2003
Mechanical Layout of Sci-Fi
The aims of the Single stage prototype will be to:-
Prove the feasibility of the design
Solve any production problems
Try to develop more efficient (and cheaper if possible)
construction techniques
Ensure that all stages can be made exactly the same
Test the efficiency of the light guide connectors
Check the spatial repeatability of the support system
To create a working detector to allow full system
functionality to be developed
3G.Barber: Mice Collaboration Meeting 29 March 2003
Mechanical Layout of Sci-Fi
Layout
4G.Barber: Mice Collaboration Meeting 29 March 2003
Mechanical Layout of Sci-Fi
Main Criteria for Material Selection
•Low Xo
•Non Metallic
•Stable
•Manufacturability (preferably in-house)
•Cost
5G.Barber: Mice Collaboration Meeting 29 March 2003
Mechanical Layout of Sci-Fi
Layout of the 5 Stages
6G.Barber: Mice Collaboration Meeting 29 March 2003
Mechanical Layout of Sci-Fi
Other points that need investigation/clarification:-
The question of which end to Multiplex
The ratio of multiplexing (3 or 7 or ?)
How to seal at the flanged bulkhead
The best way to install and align
7G.Barber: Mice Collaboration Meeting 29 March 2003
Design of the Single Stage
The aim, as already stated, is to have all the stages the same. This means that there is only one development programme.
Further advantages are:-
that the amount of spares can be minimum
All stages are interchangeable should it be
necessary to fit a less efficient stage in a less critical
position
Production will be easier
8G.Barber: Mice Collaboration Meeting 29 March 2003
Design of the Single Stage
Basic layout of the stage
This exploded diagram shows the components that we use to make up our 1st model
9G.Barber: Mice Collaboration Meeting 29 March 2003
Design of the Single Stage
The Model
This photograph shows the face of the stage. The fibres are ‘plotted’ onto a sheet of paper which is laminated into mylar (much easier than the real thing)
10G.Barber: Mice Collaboration Meeting 29 March 2003
Design of the Single Stage
The Model take 2
This photograph shows the rear face of the stage. The fibres come around the radius guide and are made off into connectors
11G.Barber: Mice Collaboration Meeting 29 March 2003
Design of the Single Stage
The Model take 3
This photograph shows a side elevation and allows us to see the radius guides.
12G.Barber: Mice Collaboration Meeting 29 March 2003
Design of the Single Stage
What have we gained from the model?
A better ‘Feel’ for the stage and how to handle
it
A list of improvements that need to be made
A tool for discussing the material choices and
the manufacturing feasibility
A way to enable us to visualise the support
structure required and where it can be
attached
13G.Barber: Mice Collaboration Meeting 29 March 2003
Issues Still to be Addressed
As it is early days this is quite a long list so I will mention only the main items. I am sure that other items will come to light as the design evolves and being an optimist, some may go away.
Detailed design and manufacture of the stages
How to lay down the fibres to a known accuracy
Detail of the connectors
Multiplexing
Fixing and sealing into position
…………………
14G.Barber: Mice Collaboration Meeting 29 March 2003
Future Plans
To refine and build a new mechanical model
incorporating changes
To start the design and development of the
tooling for the carbon-fibre structures
To develop a reliable fibre-optic connector
To develop assembly and installation procedures
???