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S. Mathot – LINAC 4 BCC – 18/2/2010 1 S. Mathot Work performed by : Pierre Bourquin, André Briswalter, Thierry Callamand, Jacky Carosone, Ahmed Cherif,

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Presentation on theme: "S. Mathot – LINAC 4 BCC – 18/2/2010 1 S. Mathot Work performed by : Pierre Bourquin, André Briswalter, Thierry Callamand, Jacky Carosone, Ahmed Cherif,"— Presentation transcript:

1 S. Mathot – LINAC 4 BCC – 18/2/2010 1 S. Mathot Work performed by : Pierre Bourquin, André Briswalter, Thierry Callamand, Jacky Carosone, Ahmed Cherif, Christophe Delorme, A. France, Nadine Favre, Jean-Marie Geisser, Alessandra Lombardi, Vincent Maire, Marina Malabaila, Fabrice Multon, O. Piquet, Dominique Pugnat, Carlo Rossi, Philippe Richerot, Benoit Riffaud, Marc Timmins, Agostino Vacca, G. Vandoni.

2 S. Mathot – LINAC 4 BCC – 18/2/2010 2 1)Some pictures 2)Previous experiences in RFQ assembly 3)Linac 4 RFQ design and manufacture procedure 4)Results obtained with the test piece 5)Actual situation 6)Actual schedule

3 S. Mathot – LINAC 4 BCC – 18/2/2010 3

4 4

5 5 TRASCO 6 modules brazed at CERN, Horizontal and Vertical configurations. Movements observed for n° 1, 2 and 6. RF ok.

6 S. Mathot – LINAC 4 BCC – 18/2/2010 6 IPHI 1 module repaired and 2 brazed at CERN, Horizontal and Vertical configurations. Movements observed after brazing and after heat treatment of machined electrodes.

7 S. Mathot – LINAC 4 BCC – 18/2/2010 7 IPHI Module # 5, bottom electrode after heat treatment at 800 °C: movements up to 0.08 mm.

8 S. Mathot – LINAC 4 BCC – 18/2/2010 8 IFMIF 18 Modules (up to 2012), Horizontal and Vertical configurations

9 S. Mathot – LINAC 4 BCC – 18/2/2010 9 Internal shape optimized for the horizontal brazing step. Electrode width constant. Pumping port brazed.

10 S. Mathot – LINAC 4 BCC – 18/2/2010 10 1.First Rough Machining (Over-thickness : ~ 3 mm) (L Lf + 6 mm, TR2 : L = Lf + 6 mm) 2.Rough Machining (Over-thickness : ~ 1 mm) (L = Lf + 2 mm) 1° Thermal Treatment 3.Partial Finishing (Over-thickness : 0 and 0.15* mm) (L = Lf + 1 mm) Internal and external surfaces, excepted the brazing surfaces* and the modulation*. 2° Thermal Treatment 4. Finishing (L = Lf + 0.5 mm) Brazing surface and Modulation 5.1° Brazing (Horizontal) 6.Re-machining (L = Lf + 0.2 mm) 7.2 ° Brazing (Vertical) 8.Final machining (L = Lf)

11 S. Mathot – LINAC 4 BCC – 18/2/2010 11 X+ Z+ Y+ (0,-300,0) (144,-300,0) (-97,-300,0) (-144,-300,0) One major electrode build to test the manufacture procedure. First concern is the geometrical stability after thermal treatments.

12 S. Mathot – LINAC 4 BCC – 18/2/2010 12 Heat treatments at 800 °C (brazing simulation) on the test piece after final machining. Before Treat. (28 m)* After 1° Treat. (65 m)* * Measured Planarity After 2° Treat. (60 m)*

13 S. Mathot – LINAC 4 BCC – 18/2/2010 13 Observations: Previous stabilisations at 600 °C are not completely efficient. A thermal treatment (brazing) at 800 °C stabilises correctly the major electrode. The treatment itself includes no significant movements. To be demonstrate by re- machining this stabilised electrode (Finishing) and after a new treatment at 800 °C

14 S. Mathot – LINAC 4 BCC – 18/2/2010 14 Heat treatments at 800 °C (brazing simulation) on the test piece after an additional final machining (Finishing). Before Treat. (15 m)* After Treat. (28 m)* * Measured Planarity

15 S. Mathot – LINAC 4 BCC – 18/2/2010 15 Observations: No significant movement after a treatment (brazing) at 800 °C on a correctly stabilized electrode. The procedure : Rough Machining 1° Thermal Treatment : 600 °C Partial Finishing 2° Thermal Treatment : 800 °C Finishing is validated for the first module.....

16 S. Mathot – LINAC 4 BCC – 18/2/2010 16 Suivi Pôles RFQ LINAC 4 Situation 17/02/2010 PôleEbaucheCleaning3 D Before1° Treat.3D After Semi- Finition Cleaning3 D Before2° Treat.3 D AfterFinition3 D FinalDécapage Pôle de Test R R R R R Pôle Majeur HAUT TR 1 (1H) R R R R en cours Pôle Majeur BAS TR 1 (1B) R R R R Pôle mineur DROIT TR 1 (1D) R R R R Pôle mineur GAUCHE TR 1 (1G) R R R Pôle Majeur HAUT TR 3 (3G) R en cours Pôle Majeur BAS TR 3 (3B) R Pôle mineur DROIT TR 3 (3D) Pôle mineur GAUCHE TR 3 (3G) Pôle Majeur HAUT TR 2 (2H) Pôle Majeur BAS TR 2 (2B) Pôle mineur DROIT TR 2 (2D) Pôle mineur GAUCHE TR 2 (2G) R = Rapport de métrologie fait

17 S. Mathot – LINAC 4 BCC – 18/2/2010 17 Module 1, Top electrode Partial Finishing : Measure of the brazing surfaces before and after heat treatment at 800 °C.

18 S. Mathot – LINAC 4 BCC – 18/2/2010 18 Module 1, Bottom electrode Partial Finishing : Measure of the brazing surfaces before and after heat treatment at 800 °C.

19 S. Mathot – LINAC 4 BCC – 18/2/2010 19 Module 1, Bottom electrode, Partial Finishing From D. Pugnat, EDMS 1055637

20 S. Mathot – LINAC 4 BCC – 18/2/2010 20 Module 1, Top electrode, Partial Finishing From D. Pugnat, EDMS 1054644

21 S. Mathot – LINAC 4 BCC – 18/2/2010 21 Module 1, Bottom electrode, Finishing From D. Pugnat Maxi = +0.054 Mini = -0.017 +0.054 -0.014 +0.010 -0.010

22 S. Mathot – LINAC 4 BCC – 18/2/2010 22 Module 1, Bottom electrode, Finishing

23 S. Mathot – LINAC 4 BCC – 18/2/2010 23 Module 1, Bottom electrode, Finishing From D. Pugnat après optimisation de la modulation sans nez +0.012 -0.021 -0.037 +0.023 -0.021 -0.018 -0.035 -0.019 -0.030 +0.027 -0.024 -0.043

24 S. Mathot – LINAC 4 BCC – 18/2/2010 24 20102011 MarsAvrilMaiJuinJuilletAoutSept.OctobreNov.Déc.Janvier T1 Fin. 1° Bras. 2° Bras. T2 S/F Pôles Maj. S/F P. min. Finition 1° Bras. 2° Bras. T3 S/F Pôles Maj. S/F P. min. Finition 1° Bras. 2° Bras.


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