srf activities at mhi-mspf© 2016 mitsubishi heavy industri es, ltd. all rights reserved. 7 © 2017...
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1© 2016 MITSUBISHI HEAVY INDUSTRIES, LTD. All Rights Reserved.© 2017 MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD. All Rights Reserved.
Mitsubishi Heavy Industries Machinery Systems, LTD
2017.12.12EUV-FEL WORKSHOP
SRF activities at MHI-MS
2© 2016 MITSUBISHI HEAVY INDUSTRIES, LTD. All Rights Reserved.© 2017 MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD. All Rights Reserved. 2
Content
1. Company organization
2. History of SRF Products in MHI-MS
3. Manufacturing Method of SRF cavity
4. The High Pressure Gas Safety Law
5. Conclusion
3© 2016 MITSUBISHI HEAVY INDUSTRIES, LTD. All Rights Reserved.© 2017 MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD. All Rights Reserved. 3
Content
1. Company organization
2. History of SRF Products in MHI-MS
3. Manufacturing Method of SRF cavity
4. The High Pressure Gas Safety Law
5. Conclusion
4© 2016 MITSUBISHI HEAVY INDUSTRIES, LTD. All Rights Reserved.© 2017 MITSUBISHI HEAVY INDUSTRIES MACHINERY SYSTEMS, LTD. All Rights Reserved. 4
1. Company organization
Mitsubishi Heavy Industries, Ltd
Power systems Industry & Infrastructure Aircraft, Defense & Space
MHI-MS
Particle Accelerators
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1. Company organization
• Main Products : Normal Conducting AcceleratorSuperconducting AcceleratorRF Components (Waveguide, Coupler, Window etc.)
• Engineering and Sales site:
Kobe Headquarters (Hyogo Pref.)
• Production Site :
Mihara Office (Hiroshima Pref.)
Tokyo
Mihara Kobe
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Content
1. Company organization
2. History of SRF Products in MHI-MS
3. Manufacturing Method of SRF cavity
4. The High Pressure Gas Safety Law
5. Conclusion
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2. History of SRF Products in MHI-MS
KEK-STF (start)
1989
2007
2005
2012
2013
2015
Photo courtesy of KEK Photo courtesy of KEK
KEK-TRISTAN (delivery)
KEK-CRAB (delivery)
KEK-cERL (delivery)
RIKEN-RIBF (start)
NSRRC-TPS (delivery)
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Content
1. Company organization
2. History of SRF Products in MHI-MS
3. Manufacturing Method of SRF cavity
4. The High Pressure Gas Safety Law
5. Conclusion
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3. Manufacturing Method of SRF cavity
●Engineering1.Basic Design of cavity from KEK2.Mechanical design of cavity3.Mecanical design of jacket and tuner4.Fabrication of cavity5.Design of assembling and alignment process of cold mass6.Design of vacuum vessel7.Fabrication and assembling of cryomodule
It took 3 years from design to fabrication of new 2 types of cryomodule.
©Rey.Hori/KEK
Main Accelerator Module
Injector Module
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3. Manufacturing Method of SRF cavity
●Forming
Nb sheet Half-cellNo wrinkles, cracks
Before press
After press
Punch
Die
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3. Manufacturing Method of SRF cavity
●Machining
Turning
Milling
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Confidential
3. Manufacturing Method of SRF cavity
●Welding
Electron Beam Welding (EBW)
Specifications
Beam Power Max. 10kWAccelerating Voltage
80kV
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Confidential
Confidential
3. Manufacturing Method of SRF cavity
●Welding
Iris
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Confidential
Confidential
3. Manufacturing Method of SRF cavity
●Welding
Equator (cut model)
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Confidential Confidential
3. Manufacturing Method of SRF cavity
●Welding
Jacket
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3. Manufacturing Method of SRF cavity
●Surface treatment
Photo courtesy of KEK
HPR@KEKEP@KEK
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3. Manufacturing Method of SRF cavity
●Surface treatment (Otherwise)
HPR@MHI-MSBCP@MHI-MS
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3. Manufacturing Method of SRF cavity
● Assembly (Class 10)
Photo courtesy of KEK
Cavity string by KEK CR in MHI-MS
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3. Manufacturing Method of SRF cavity
● Assembly (Cryomodule)
Injector Module
Main Accelerator Module
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Content
1. Company organization
2. History of SRF Products in MHI-MS
3. Manufacturing Method of SRF cavity
4. The High Pressure Gas Safety Law
5. Conclusion
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4. The High Pressure Gas Safety Law
●Standard
The statute book The handbook of inspection
・Designated equipment・High-pressure gas equipment・Refrigeration equipment(etc.)
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4. The High Pressure Gas Safety Law
●Inspection
Design-Calculation-Analysis-High pressure test
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4. The High Pressure Gas Safety Law
●Inspection
Material
Welding-Penetrant test-Radiographic test
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4. The High Pressure Gas Safety Law
●Inspection
Structure-Pressure test-Gas leakage test
Mechanical test-Tensile test-Bend test
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Content
1. Company organization
2. History of SRF Products in MHI-MS
3. Manufacturing Method of SRF cavity
4. The High Pressure Gas Safety Law
5. Conclusion
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5. Conclusion
●The production procedure described here is just one of the cases.
●MHI-MS tries to progress step by step to offer a high quality product.
●MHI-MS continues to support the dreams of researchers in their quest for scientific technology that will benefit mankind and society.
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