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Industry experience, views and comments- Hollming Works Oy

Mr. Mika KorhonenDevelopment ManagerHollming Works Oy

3.6.2010, 2

Vacuum Vessel Sector Fabrication - PossibilitiesContents

Company informationNarrow Gap Welding Technologies3D Cold Forming

3.6.2010, 3

Vacuum Vessel Sector Fabrication - PossibilitiesCompany Information

Hollming Works is a contract manufacturer for technology industry specialised in

Marine and offshore components

Energy and enviromental components

Process components

Pressure vessels

3.6.2010, 4

Vacuum Vessel Sector Fabrication - PossibilitiesCompany Information

Workshops at four locationsKankaanpääParkanoLoviisaPori

The networked entity of about 900 employees is able to provideComponent- ,Project- andSystem deliveries globally

Continuous technological development

3.6.2010, 5

Vacuum Vessel Sector Fabrication - PossibilitiesCompany Information

Hollming Works is certified according to SFS-EN ISO 9001: 2008 quality systemSFS-EN ISO 3834-2 welding systemISO 14001 environmental systemPressure vessel licenses: ASME, TÜV, PED, Chinese manufacturing license

3.6.2010, 6

Vacuum Vessel Sector Fabrication - PossibilitiesVacuum Vessel Sector Fabrication Based on FH Blocks

Manufacturing of the ITER vacuum vessel double wall structure isextremely demanding

Quality-, shape- and dimensional requirements are set to the highest level to meet the specified functional requirements

Welding distortionsResidual stresses

Advanced fabrication methods are needed to ensure the overall quality during the manufacturing process

Reducing weldingIncreasing weld efficiency

3.6.2010, 7

Vacuum Vessel Sector Fabrication - PossibilitiesVacuum Vessel Sector Fabrication Based on FH Blocks

Assembly of Flexible Housing Blocks(by NG TIG, NG MIG, Hybrid Laser or EB)

Flexible Housing Block (by Powder HIP)

High repetition, reduced welding,testing and distorsion

High repetition

High repetition, reduced welding, testing and distorsion

Formed shell plate(by 3D Cold Forming)

Flexible Housing Blocks joined to formed shell plate (by NG TIG, NG MIG, Hybrid Laser or EBW)

High repetition

3.6.2010, 8

Vacuum Vessel Sector Fabrication - PossibilitiesVacuum Vessel Sector Fabrication Based on FH Blocks

Installation of neutron shielding plates (by tool assisted manual procedure)

High repetition

Installation of stiffening elements and end plates (by NG TIG, NG MIG, Hybrid Laser or EB)

High repetition

Formed shell plate(by 3D Cold Forming)

High repetition,reduced welding,

testing and distorsion

Installation of outer plates (by NG TIG, NG MIG, Hybrid Laser or EB) High repetition

3.6.2010, 9

Vacuum Vessel Sector Fabrication - PossibilitiesNarrow Gap Welding Technologies

Hollming Works has used Narrow Gap welding technologies since 1995

Narrow gap TIG (GTAW) and SAW methods in common production use for wall thickness 10..600 mm

NG MIG/MAG still under development 100

mm

3.6.2010, 10

Vacuum Vessel Sector Fabrication - PossibilitiesNarrow Gap Welding Technologies

Continuous co-operation with customers to develop welding methods further

Special components for MetsoWall thickness 100..250 mmWeight 30..80 tonsPM HIPed

Stainless steels (eg. Super duplex)Quenched and tempered steels (eg. 42CrMo4)Super alloys (eg. Inconel 625)

3.6.2010, 11

Vacuum Vessel Sector Fabrication - Possibilities3D Cold Forming

Hollming Works has a 3D Cold forming method in continuous production use

3D Cold forming technology offers possibility toShape optimization and repeatibilityReduce amount of welding

3.6.2010, 12

Vacuum Vessel Sector Fabrication - Possibilities3D Cold Forming

Using 3-D cold forming can significantly reduce the amount of welding and related problems during the fabrication of the ITER vacuum vessel sector

Possibilities of 3D cold forming technology have been investigated in EFDA Task - Advanced Techniques for Vacuum Vessel Sector Manufacturing, Subtask 2: ”Assessment of 3D forming of inboard walls”

3.6.2010, 13

Vacuum Vessel Sector Fabrication - PossibilitiesHollming Works areas of interest

Manufacturing of different subsections for e.g. PS1, PS2 and PS4using advanced fabrication methods

3D cold formingNarrow gap welding andPM HIP components and blocks

Subsections are to be defined later

3.6.2010, 14

Vacuum Vessel Sector Fabrication - PossibilitiesThank you

Thank You for Your Attention!

http://www.hollmingworks.com