1. Baby-MIND Modules & Services
Mechanical Design
Assembly Mode
Integration on Armco magnet
Cabling
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

2. Mechanical Design (in a few words)
Each module contains (18 modules in total…!!):
95 horizontal scintillating bars,
16 vertical scintillating bars
and is constructed as a sandwich (the scintillating bars are inside 2 aluminum plates fixed on an aluminum frame and protected as in a turtle shell)
Every scintillating bars are read out by SiPM on either sides (except for vertical bars). Modules are built in 2 parts (symmetrical). The position of the scintillating bars in each part of the module makes a cross like a trigger.
Precise pitch between bars is defined by plastic spacers (see next..). Spacers simultaneously position the horizontal and vertical bars on each module part.
The two parts of the module are also offset to have more surface detection. SiPM and interface wiring are also protected on 2 sides + Top by aluminum covers (compact design), and also for a safe and easy handling.
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

3. Module Back part (Magnet side)
Contains 48 scintillating horizontal bars + 8 scintillating vertical bars.
Aluminium Frame and reinforcements
PCB Electronic board
Covers
Vertical scintillating bars
Horizontal scintillating bars
Spacers
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

4. Module Front part (Beam side)
Contains 47 scintillating horizontal bars + 8 scintillating vertical bars.
Holes for PCB Electronic board fixation
Aluminium Frame and reinforcements
Horizontal scintillating bars
Spacers
Stoppers (top and bottom)
to prevent vertical sagging…
Vertical scintillating bars
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

5. Complete Module (Both back+front assembled)
Aluminium plate
(same for 2 parts)
Module
Front part
Fixation holes on Armco magnet (4 corners)
Module Back part
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

6. Assembly Mode in a few steps…
3 identical assembly stands with counterweight on the craddle + Rotation system (every 45 degrees increments).
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

7. Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016
Step 1 (same process for both back and front parts)
Aluminium frame assembly, Plastic spacers and Aluminium plate on the back.
45 ° orientation (to secure the assembly)
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

8. Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016
Step 2 (same process for the back and the front parts)
Half module frame Transfert on another assembly structure + Scintillating bars insertion (first, the vertical ones, then the horizontal ones…).
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

9. Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016
Step 3 (same process for both back and front parts)
Insert the inner reinforcements.
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

10. Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016
Step 4
2 parts of module assembled and bolted together with braces (spacer …)
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

11. The Baby-MIND module prototype in words…
The mechanical module in a few numbers
222 SiPM and connectors
95 horizontal scintillating bars
16 vertical scintillationg bars
6 reinforcements
16 plastic spacers
2 aluminium plate
8 aluminium flat bar for the frame
18 stoppers
14 braces
3 pairs of cover
926 screws
~200Kg without cables and electronics
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

12. Integration on Armco magnet
Step 1
Lift the wooden plate with Module after bottom structure is disassembled
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

13. Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016
Final step
Fix the module on the Armco magnet with 4 M10 screws on the interface corner and sustain the bottom side of module by 3 ball joint screws.
Nice object…
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

14. Module Cabling and Crates
Mini Crate
Module inner
cabling
Outer cabling
(5 to 6m long MAX)
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

15. Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016
Module inner Cabling (horizontal bars)
Top cover removed for clarity
Maxi lenght (CAD) is about 310mm …
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

16. Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016
Module inner Cabling (Vertical bars)
Top cover removed for clarity
Maxi lenght is about 350mm …
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

17. Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016
Module inner Cabling (more details… )
PCB for cable soldering +…
PCB for cable soldering +…
EMI shielding box
EMI clamp +
Mechanical clamp
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016

18. Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016
Mini Crate design (based on standard crates…)
7 slots foreseen (in case…)
Tricky part
Laurent NICOLA / Franck CADOUX CERN meeting November 3, 2016