welding work, automated monitoring and faster and easier col-
– Non-conformances must be reported and addressed.
lection of project documentation.
– Welded joint details must be traceable.
ARCQUALITY MONITORS COMPLIANCE TO THE WPS,
ArcQuality is the first quality control service that can automat-
AND ENSURES THAT THE WELDERS ARE APPROPRIATELY
ically monitor compliance to welding procedure specifications,
QUALIFIED
as well as the validity and coverage of welding qualifications in
The non-destructive testing (NDT) of welded joints is a very im-
manual welding. The monitoring function in the system is acti-
portant phase but it does not produce sufficiently reliable infor-
vated when the welder’s barcoded identity code, the WPS num-
mation about the quality of the welding. That is why it is impor-
ber, filler material make and, if necessary, the shielding gas des-
tant to apply control measures also to ensure that correct work
ignation are entered via the reader device into the system before
methods are used and that the welders have the necessary quali-
the welding work is started.
fications. The ArcQuality solution has been developed to respond
to this need. It is suited to all companies that use welding.
The smart reader device compares the WPS data to the filler material make and warns the welder if a wrong filler material
was accidentally selected. Thus the system ensures that the weld-
It is based on the basic requirements set forth in welding quality
er is always using the correct filler material. During welding work
management standards, which comprise the cornerstone of high
the system compares the values used by the welder and measured
quality manufacturing:
from the machine to the values in the WPS. A reporting server re-
– The welder shall have valid professional qualifications that
ports a non-conformance if the welding current or voltage does
cover all the requirements of welding work.
not stay within allowed limits.
– Qualified welding procedure specifications must be adhered
to in welding work.
– Regular maintenance of welding machines must be planned
in a systematic way.
DR. PETTERI JERNSTRÖM
BUSINESS AREA MANAGER/ TECHNOLOGY MANAGER
KEMPPI
Fuel Efficient Bulk Carriers: Sea Dragon Series
W
ith ever increasing fuel prices and pressure on environmen-
in the following sizes: 25 kdwt, 35 kdwt, 42 kdwt, 56 kdwt and
tal impacts of shipping, also bulk carriers face need for im-
64 kdwt.
proved fuel efficiency.
For example, the Sea Dragon 42 (42 kdwt) has 15–30 % bet-
By advanced hull form development using latest CFD-tools
ter fuel efficiency than similar size vessels currently under construc-
and extensive calculations backed with long experience in