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Adjustable tuner HENRY PRZYBILSKI / PIERRE-ALAIN LEROY.

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Presentation on theme: "Adjustable tuner HENRY PRZYBILSKI / PIERRE-ALAIN LEROY."— Presentation transcript:

1 Adjustable tuner HENRY PRZYBILSKI / PIERRE-ALAIN LEROY

2 SUMMARY 1.IPHI - feedback 2.Adjustable tuner 1. Mechanical studies 1. Design 2. Positioning range 2. Thermal studies 3. Problems 3.R&D 1. Welding / brazing 2. Fatigue | PAGE 2 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY

3 IPHI - FEEDBACK Main purpose of the tuner: Ideal voltage law RF Tuning procedure 1.Measure the depth of the « tuner » in the cavity 2.Measure the length of the « final » tuner 3.Machining the setting shim 4.Assembly | PAGE 3 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY

4 IPHI - FEEDBACK Main purpose of the tuner: Ideal voltage law IPHI - RF Tuning procedure 1.Measure the depth of the « tuner » in the cavity 2.Measure the length of the « final » tuner 3.Machining the setting shim 4.Assembly | PAGE 4 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY Test tunerFinal tunerSetting shimAssembly

5 IPHI - FEEDBACK Main purpose of the tuner: Ideal voltage law IPHI - RF Tuning procedure 1.Measure the depth of the « tuner » in the cavity 2.Measure the length of the « final » tuner 3.Machining the setting shim 4.Assembly | PAGE 5 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY Test tunerFinal tunerSetting shimAssembly

6 IPHI - FEEDBACK Main purpose of the tuner: Ideal voltage law IPHI - RF Tuning procedure 1.Measure the depth of the « tuner » in the cavity 2.Measure the length of the « final » tuner 3.Machining the setting shim 4.Assembly | PAGE 6 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY Test tunerFinal tunerSetting shimAssembly

7 IPHI - FEEDBACK Main purpose of the tuner: Ideal voltage law IPHI - RF Tuning procedure 1.Measure the depth of the « test » tuner in the cavity 2.Measure the length of the « final » tuner 3.Machining the setting shim 4.Assembly | PAGE 7 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY Test tunerFinal tunerSetting shimAssembly

8 IPHI - FEEDBACK Main purpose of the tuner: Ideal voltage law IPHI - RF Tuning procedure Disadvantages: 1.Using of 2 different tools 2.Machining of the setting shim 3.Measurement reading error + machining tolerance  Lower risks / time saving | PAGE 8 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY

9 ADJUSTABLE TUNER MECHANICAL STUDIES Design | PAGE 9 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY Hydraulic connections Tuner body RF joint Bellows baseplate Bellows Guide Brazing Copper / Copper Brazing Copper/Stainless Steel Welding process (TIG / EB / LASER ?) Nut Flange Slide Cooling system

10 ADJUSTABLE TUNER MECHANICAL STUDIES Design | PAGE 10 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY Hydraulic connections Tuner body RF joint Bellows baseplate Bellows Guide Brazing Copper / Copper Brazing Copper/Stainless Steel Welding process (TIG / EB / LASER ?) Nut Flange Slide Cooling system

11 ADJUSTABLE TUNER MECHANICAL STUDIES Design | PAGE 11 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY Hydraulic connections Tuner body RF joint Bellows baseplate Bellows Guide Brazing Copper / Copper Brazing Copper/Stainless Steel Welding process (TIG / EB / LASER) Nut Flange Slide Cooling system Pa Vacuum

12 ADJUSTABLE TUNER MECHANICAL STUDIES Design | PAGE 12 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY Hydraulic connections Tuner body RF joint Bellows baseplate Bellows Guide Brazing Copper / Copper Brazing Copper/Stainless Steel Welding process (TIG / EB / LASER?) Nut Flange Slide Cooling system

13 ADJUSTABLE TUNER MECHANICAL STUDIES Positioning Range Maximum range = 60mm | PAGE 13 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY INOUT 38 22

14 ADJUSTABLE TUNER THERMAL STUDIES The mechanical design includes the thermal studies to reduce the pressure drop and to ease the flow circulation. | PAGE 14 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY d Shape

15 ADJUSTABLE TUNER PROBLEMS Bellows supplier has no experience in putting a bellows in a brazing oven. The thermal treatment will reduce the life-cycle by a factor 2. It means 5.000 cycles instead of 10.000. There are 2 kinds of bellows: Donc il est nécessaire de passer par une phase de R&D. | PAGE 15 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY Stainless SteelInconel PriceCheapExpensive Heat resistanceNoYes Brazing processKnown*Unknown* Welding processStainless Steel – Known* Stainless Steel – Unknown* Inconel – Unknown*Inconel – Known* *Known / Unknown by the CEA

16 R&D BRAZING AND WELDING TESTS Tests on both type of bellows Brazing Inconel / Copper Welding Stainless Steel / Inconel TIG welding process Electron Beam welding process Laser welding process | PAGE 16 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY

17 R&D FATIGUE TESTS Tests on both type of bellows Fatigue tests after brazing process 100 cycles Leak detection Deformation | PAGE 17 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY Welding test Inconel Stainless Steel ~100 cycles

18 CONCLUSION New design We need to qualify: Material Welding procedure  R&D Thank you for your attention. | PAGE 18 8/9-Dec-15 CDR2 - Mechanical integration - H. PRZYBILSKI / P-A. LEROY

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