1. Magnet Spacers Design Automation Roxie2Catia Catia Forum – Sept. 29th 1

2. Magnet Spacers Design Automation Roxie2Catia - What is a Magnet Spacer? - Process - The Roxie2Catia tool - Result - Improvements Summary 2

3. Magnet Spacers Design Automation Roxie2Catia - In a dipole, the spacers are here to guide and separate the different layers of a coil. - It's a set of parts with a very specific shape. - The basic shape is a cylinder, which is split by many ruled surfaces. - The purpose is to make sure that the coil's winding is perfect, a pre-requirement for a good quality magnetic field. What is a Magnet Spacer? 3

4. Magnet Spacers Design Automation Roxie2Catia 1.Define the design of each part. -> ROXIE application 2.Build the shapes with a CAD software. -> ROXIE2CATIA tool 3.Manufacturing prototypes. 4.After prototypes validation, production. The Process 4

5. ROXIE (Routine for the Optimization of coil X-sections, Inverse computation, and End design) ROXIE is a software for – the electromagnetic design and simulation of accelerator magnets. Key features (not available in commercial products) – 2D coil design – 3D coil end design – FE-BE coupling – superconductor effects – quench simulation. All superconducting LHC magnets designed with ROXIE. Licenses are sold via Technology Transfer to all major accelerator- technology labs. 5

6. ROXIE in Accelerator Magnet Design 6 Quench Margins Fixing the Cross-Section Mechanical End Design Magnetic End Design Determine Yoke Cutback Endspacers: Catia and CAD/CAM Interface Quench Simulation Production Follow-Up & Operations Trouble- Shooting Persistent Currents Cable Data (Input)Coil Variants Multipole Variation Yoke Simulation EM Forces

7. Magnet Spacers Design Automation Roxie2Catia Purpose: As a result, Roxie provides a text file, with points coordinates. The Roxie2Catia tool as been made to help the designer to build a magnet spacer set from these points. The main steps to do this are explained in the following slides. The Roxie2Catia tool

8. Magnet Spacers Design Automation Roxie2Catia Main features: This tool is an expert tool. -> Skills in GSD & knowledge workbenches are necessary. -> The tool is available on the network. -> There is one dedicated user trained to use it. -> 3 icons can be created in Catia V5 (personal settings) to launch the different functions. The Roxie2Catia tool 8 -Help / Guide -Export as Step -Run the Roxie2Catia Tool

9. Magnet Spacers Design Automation Roxie2Catia -Inputs: -> Text file with points coordinates The Roxie2Catia tool -Each group of points corresponds to the definition to an half-edge. 9

10. Magnet Spacers Design Automation Roxie2Catia -1 st step: -> Sort these groups of points, to put together the points that define a surface : - 4 groups for the 2 end shapes - 8 groups for the others The Roxie2Catia tool -The points are temporally stored and sorted in Excel. 10

11. Magnet Spacers Design Automation Roxie2Catia -2 nd step: -> Importing these points to Catia in a new Part The Roxie2Catia tool 11

12. Magnet Spacers Design Automation Roxie2Catia -3 rd step: -> Build the cylinder based on these points The Roxie2Catia tool 12

13. Magnet Spacers Design Automation Roxie2Catia -4 th step: -> Creating the rules on each couple of points. Each point is projected on the cylinder internal or external surface. Then the rules (lines) are created. The Roxie2Catia tool 13

14. Magnet Spacers Design Automation Roxie2Catia -5 th step: -> Creating the ruled surfaces that rely on the sets of rules. Each surface should have a continuity in tangency, and The Roxie2Catia tool a null Surface Curvature. The surfaces are extrapolated to make sure that it will be possible to split the cylinder later. 14

15. Magnet Spacers Design Automation Roxie2Catia -6 th step: -> Splitting the cylinder to create the spacers. The Roxie2Catia tool 15

16. Magnet Spacers Design Automation Roxie2Catia -Result: -> Splitting the cylinder to create the spacers. The Roxie2Catia tool The final result is a fully parametric Part. The user can modify the geometry as whished, if necessary. 16

17. Magnet Spacers Design Automation Roxie2Catia After the spacers have been created, we have to ensure that the spacers and the coils are fully compatible. Result Some additional features have also to be manually added. Then the prototypes can be manufactured. 17

18. Magnet Spacers Design Automation Roxie2Catia If the result has to be shared with others institutes that don't use Catia V5, an export function can generate a set of Step files. Each shape is saved as a step. Result 18

19. Magnet Spacers Design Automation Roxie2Catia At this time, the Roxie2Catia tool manage to realize spacers, even if sometimes the user has to perform manual updates. The Macro doesn't generate the coils. The users have to use the VRML (*.WRL) files provided by Roxie. It is not a blocking point, but native Catia V5 coils could ease the drafting and save time to store the coils in SmarTeam. Improvements The interface has to be improved to be more user-friendly, and a guide has to be written. 19

20. Magnet Spacers Design Automation Roxie2Catia Thanks for your attention. Special thanks to Ludovic F. & Bernhard A. for the explanations and pictures. 20