WELDING TESTS & OTHERS ISSUES SUMMARY
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Transcript of WELDING TESTS & OTHERS ISSUES SUMMARY
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WA-10413/11/2015
WELDING TESTS & OTHERS ISSUES
SUMMARYWA104 PROJECT
NEUTRINO EXPERIMENTS
1
Jean-Pierre Brachet Gilles FavrePaula FreijedoDidier Lombard
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WA-104 2
INDEX• INTRODUCTION• PART 1: U-FRAME CORNER• STATUS OF THE WELDING CONFIGURATIONS • QUALITY LEVEL & NON-DESTRUCTIVE TEST (NDT)• STRATEGY FOR ASSEMBLY• TOOLING & MACHINING
• PART 2: EXTRUDED CORNER ASSEMBLY • STATUS OF THE WELDING CONFIGURATIONS FOR THE CORNERS TO PANELS• TEST PIECE VALIDATION• QUALITY LEVEL• WELDING OF THE U-FRAME TO EXTRUDED CORNER
• COMPONENTS DELIVERY
13/11/2015
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WA-104 3
INTRODUCTION
13/11/2015
The aim of this presentation is summarize and clarify some points related to the the different welding configurations and other issues for the Cold Cryostat WA104 in the frame of the Neutrino Experiment, in order to set up and qualify the best solution for manufacturing.
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WA-104 413/11/2015
STIFFENING FRAMES ALIGMENTS 1 To 5 – DRAWING: CEN104CR_0025
PART 2: EXTRUDED CORNER
PART 1: FRAMES CORNER
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5
PART 1: U-FRAME CORNER
13/11/2015 WA-104
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WA-104 613/11/2015
1- WELDING CONFIGURATIONS
2 configurations for the U-Frame corner ACCORDING TO THE DRAWING CEN104CR_0026:
o Material: Aluminium EN AW-6082 T6o Thickness 20mm: MIG process (Details X1-X2-X5)o Thickness 10mm: TIG process (Detail X3)
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WA-104 713/11/2015
STATUS:- Configuration and parameters of the pWPS: VALIDATED- Welder qualification: On-going- Welding Procedure Qualification (PQR): On-going
MIG PROCESS-20mm OF THICKNESS:Drawing for Welding Qualification
Values taken during the tensile test of the PQR:- Tensile strength Rm= 220 & 226 MPa- Yield strength Re=
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WA-104 813/11/2015
TIG PROCESS-10mm OF THICKNESS
Drawing for Welding Qualification
STATUS:- Configuration and parameters of the pWPS: On-going- Welding Procedure Qualification (PQR) & Welder qualification: Next step
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WA-104 913/11/2015
2- WELDING OF A REAL CORNER Preliminary measurements of the Shrinkage on the real corner
3- QUALITY LEVEL & NON-DESTRUCTIVE TEST DURING PRODUCTION- The required quality level for welds imperfections shall be level B according to the standard EN-ISO 10042:2005- NDT & sequence:
1º- Radiographic test or Ultrasonic examination (100%) NOTE: US requires FLATENNING on the welds2º- Dye Penetrant NOTE: Defects reparation could be cause of CONTAMINATION
+/- 0.15mm
L=250mmL=350mm
+/- 0.1mm
ShringkageAverage 3.5mm Gap 10mm
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WA-104 1013/11/2015
3- STRATEGY FOR ASSEMBLY
Fabrication the U piece whole with both corners welded:
NOTE: The DIMENSION of the panel SHALL BE ensured - REPEATABLE
PROPOSAL: Fabrication of the piece in 2 parts with only 1 corner welded
1 2
Cut and adjust the dimensions with the panel
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WA-104 1113/11/2015
4- TOOLING
THE TOOLING FOR FRAME ASSEMBLY IS STORED IN THE BUILDING 156
- Mounting of the tooling to be done (Marzio’s team could be help) - The SCAFFOLDING is required
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WA-104 1213/11/2015
5- MACHINING
Dedicated milling machine for the U-frame components will be installed in the building 156
Specific portable milling machine for chamfering have been developed
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WA-104 13
PART 2: EXTRUDED CORNER ASSEMBLY
13/11/2015
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WA-104 1413/11/2015
1- WELDING CONFIGURATIONS FOR EXTRUDED CORNER TO JOIN THE PANELS Material: Aluminium EN AW-6082 T6 Process: MIG
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WA-104 1513/11/2015
CERN TRIALS German proposal T15:
Results PRELIMINARY TEST:
T15 MACRO:- Penetration: 10.38mm (from the root to the surface)- Micro-Cracks[1001] at the root (red frame), not permitted according to the level B of NF-EN-ISO-10042.- Few gas porosity [2011] permitted according to the level B of NF-EN-ISO-10042 <1% melt area.
T15mag x100
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WA-104 1613/11/2015
CERN proposal:
T14 MACRO:- Penetration 10.43mm (from the root to the surface)- Few porosity [2011] permitted according to the level B of NF-EN-ISO-10042 <1% melt area- Lack of fusion at the root [4013] not permitted according to the level B of NF-EN-ISO-10042
- T14Results PRELIMINARY TEST:
40º?
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1713/11/2015 WA-104
2- TEST PIECE
The piece will be tested in order to validate the design:
3- QUALITY LEVEL & NON-DESTRUCTIVE TEST DURING PRODUCTION
The quality level and the different possibilities for NDT to perform on the welds should be checked.
4- WELDING OF THE EXTRUDED CORNER TO THE U-FRAME
The configuration for this joint will be discussed & defined
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WA-104 1813/11/2015
COMPONENTS DELIVERED
U-FRAMES CORNERS By the end of this month
U- FRAMES BEAMS First batch availableSecond batch to be defined
ADDITIONAL EXTRUDED CORNER FOR TEST PIECES
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WA-104 1913/11/2015
THANKS FOR YOUR ATTENTIONMERCI POUR VOTRE ATTENTION