1. Internal Orbital Welding
Cary Kendziora
Fermi National Laboratory
GSI, Darmstadt, Germany – Feb. 4, 2013

2. GSI, Darmstadt, Germany – Feb. 4, 2013
Intro
GSI, Darmstadt, Germany – Feb. 4, 2013

3. Presently Working on DarkSide at Gran Sasso
10 Meter Diameter Water Cerenkov
4 Meter Veto Scintillator Sphere
Two Phase Argon TPC
10 meter diameter water cerenkov
4 meter liquid scintillator sphere
GSI, Darmstadt, Germany – Feb. 4, 2013

4. GSI, Darmstadt, Germany – Feb. 4, 2013
DarkSide Veto
GSI, Darmstadt, Germany – Feb. 4, 2013

5. DarkSide
Liquid Argon System

6. GSI, Darmstadt, Germany – Feb. 4, 2013
E835 Hydrogen Target At FermLab 1997
GSI, Darmstadt, Germany – Feb. 4, 2013

7. GSI, Darmstadt, Germany – Feb. 4, 2013
Hydrogen Target At GSI 2005
GSI, Darmstadt, Germany – Feb. 4, 2013

8. GSI, Darmstadt, Germany – Feb. 4, 2013
The Reoccurring Question: How to make the final connections in the interaction area?
GSI, Darmstadt, Germany – Feb. 4, 2013

9. GSI, Darmstadt, Germany – Feb. 4, 2013
VRW
GSI, Darmstadt, Germany – Feb. 4, 2013

10. Modified Arc Machines Orbital Welder for Panda Internal Welding
GSI, Darmstadt, Germany – Feb. 4, 2013

11. Internal Orbital Weld Sample
GSI, Darmstadt, Germany – Feb. 4, 2013

12. GSI, Darmstadt, Germany – Feb. 4, 2013
Orbital Welding Advantage Uniformity and Consistency Each weld is a executed program from start to finish
GSI, Darmstadt, Germany – Feb. 4, 2013

13. Arc Machines Orbital Head
GSI, Darmstadt, Germany – Feb. 4, 2013

14. GSI, Darmstadt, Germany – Feb. 4, 2013
Arc Machines Tungsten
GSI, Darmstadt, Germany – Feb. 4, 2013

15. 100% Penetration for External Welds
GSI, Darmstadt, Germany – Feb. 4, 2013

16. GSI, Darmstadt, Germany – Feb. 4, 2013
Arc Machines Tungsten
GSI, Darmstadt, Germany – Feb. 4, 2013

17. GSI, Darmstadt, Germany – Feb. 4, 2013
Important Issues: Alignment of parts to welding electrode Purge gas purity < 3 PPM of H20, O2
GSI, Darmstadt, Germany – Feb. 4, 2013

18. Weld Components for Internal Welding
GSI, Darmstadt, Germany – Feb. 4, 2013

19. GSI, Darmstadt, Germany – Feb. 4, 2013
Sub Assembly
GSI, Darmstadt, Germany – Feb. 4, 2013

20. Aligned and Ready for Weld
GSI, Darmstadt, Germany – Feb. 4, 2013

21. GSI, Darmstadt, Germany – Feb. 4, 2013
Tungsten Alignment
GSI, Darmstadt, Germany – Feb. 4, 2013

22. GSI, Darmstadt, Germany – Feb. 4, 2013
Internal Orbital Weld
GSI, Darmstadt, Germany – Feb. 4, 2013

23. Internal Orbital Welder
GSI, Darmstadt, Germany – Feb. 4, 2013

24. GSI, Darmstadt, Germany – Feb. 4, 2013
Unique Welding Requirement: Ability to remove the Weld and ReWeld several times
GSI, Darmstadt, Germany – Feb. 4, 2013

25. Internal Weld Removal using a Expandable Reamer
58-64 mm Adjustment Each adjustment is .02mm
GSI, Darmstadt, Germany – Feb. 4, 2013

26. GSI, Darmstadt, Germany – Feb. 4, 2013
Additional Features: Camera for Alignment and Monitor Process Camera for Weld Removal Remote Expansion Adjustment of Reamer Vacuum Removal of Particulate During Weld Removal
GSI, Darmstadt, Germany – Feb. 4, 2013

27. GSI, Darmstadt, Germany – Feb. 4, 2013
Thank You
GSI, Darmstadt, Germany – Feb. 4, 2013