PW_AST_Huter_Soehne_CA_EN
20203/5
User Report
All From A Single Source
Fronius International visits the long-established Innsbruck
construction company Huter und Söhne. The Metalworking division in
particular enjoys an outstanding reputation here: The company’s own
metalworking shop alone employs 60 people, who have 10 permanent
welding stations and additional mobile welding systems at their
disposal. Across all processes, Huter relies exclusively on welding
technology from Fronius.
Innsbruck, at the heart of the Tirol: Huter und Söhne has been
active in the construction industry here for more than 150 years –
the city center is shaped by numerous buildings that owe their
existence to Huter. To date, Huter und Söhne has gradually
succeeded in establishing itself in a variety of different branches
of the construction industry.
Universal Construction Concepts
From conventional construction, carpentry, and laminated timber
construction to joinery services and metalworking – Huter und Söhne
is a general contractor offering complete solutions. From
foundation to roof truss, from solid wood front door to
corrosion-resistant railings – they make more than 70% of the
construction components themselves. This results in turnkey
construction approaches being made available to the citizens of
Innsbruck, of course.
“With around 250 employees, we can cover a variety of different
architectural styles: from housing estates, office buildings and
business premises, to industrial building and hall extensions – and
we also have the expertise to build a sturdy home”, says Thomas
Gattringer, master metalworker, welding practitioner and instructor
for Huter und Söhne. “It goes without saying that we take up all
the challenges posed by innovations in structural engineering.
Energy-saving construction is also part of our service portfolio,
for example.”
The Huter und Söhne Metalworking Shop
It becomes clear during a subsequent tour of the Metalworking
division’s facilities that the metalworking shop is basically
separated into materials.
Steel
Right at the start is the steel workshop: railings, stairs,
ramps, canopies, car ports etc., are made here from conventional
construction steel. The employees handling the solid steel girders
that bar the way as you enter are not exactly holding back: “Brute
force is needed here”, explains Gattringer. “Mounting brackets for
balcony boxes, for example. The metal plates are 20-30 millimeters
thick. We use 1.2 mm wire and then weld the whole thing in three
layers. So you need an enormous amount of power, which is why we
mostly use the robust TransSteel 3500c.”
Gattringer also explains that due to regulation EN 1090, welding
tasks like this at Huter must only be carried out by the TransSteel
3500c. Of course, the TransSteel 2200 also comes under the
prescribed certificate of conformity package, but not only does the
TransSteel 3500c have the necessary high power, it also and most
importantly has water cooling, which is vital for overcoming
welding challenges like this. “If the tasks are minor, we also make
use of the older VarioStar systems, which are simply
indestructible.”
Frame construction – a subdivision of structural steelwork in
the next workshop hall – demonstrates really clearly how little
Huter actually has to buy: the door frames leaning against the wall
are made from scratch in-house. First the fitters cut suitable
strips from the 1.5 mm galvanized steel plate and trim them to make
complex profiles. The individual components are then welded
together to make finished door frames.
Aluminum
The aluminum workshop is next in line. This is where all
aluminum system construction takes place, producing profiles for
windows, doors and facades, and complete roof structures.
Stainless Steel
The stainless steel workshop is just a few meters away: The
workers there wear T-shirts and white gloves – it is all about fine
dexterity. The employees in this department are real TIG
specialists and you can clearly see the almost artistic requirement
of their work. At present, they are mainly working on handrails,
stainless steel door frames, and railings. The spotless visible
seams were all made by the Fronius MagicWave 230i, or the TransTig
230i.
At the end of the workshop visit, Gattringer explains: “We have
high quality standards, so of course we need the right tools. When
it comes to thermal joining, we only work with welding technology
from Fronius.”
Mobile Use and the TransSteel 2200
“We also rely on Fronius systems for mobile finishing work”,
continues the welding practitioner. Smaller tack welding jobs on
stair railings are quickly and easily resolved with TransPocket.
But when it comes to joining prefabricated handrails with
high-quality visible seams, the fitters are happy to have the
TransSteel 2200 to hand: “Because the seam appearance is important
with this type of work, TIG welding is essential.”
Fitters seem to be totally convinced, particularly by the
TransSteel 2200’s touchdown ignition in TIG mode: “System operation
is so smooth that we find it easy to work and remain highly
professional at the same time. It is true to say that you only need
the minimum of practice and after just a few attempts, welding
tasks can be performed at a level we would otherwise only manage in
the workshop with the high frequency TIG systems TransTig and
MagicWave.”
Easy Handling
Gattringer also explains that the weight and handling of the
TransSteel 2200 are most impressive: “The Multiprocess capability
is a real plus, of course – especially the quick switch between
processes. It takes no time at all to convert the system for the
different process variants, as adjustments can be made intuitively
and immediately, without requiring much previous knowledge. So we
are ready to go extremely quickly.”
In fact, the simplicity of the Fronius devices wins favor with
the welding practitioner in other aspects too: “The mere fact that
we do not need high-voltage current! Since this is often
unavailable on construction sites, we occasionally found ourselves
having to organize generators in the past – a significant amount of
extra work that is now no longer required.”
Universal Application with Multiprocess
Construction sites where there is no clear definition of the
tasks to be completed are also part of everyday life for fitters:
“In this situation, we are sure to pack the little TransSteel in
the car just in case, because then we are ideally equipped for all
tasks.”
Huter fitters really do have to draw on all the process variants
in mobile use: “We can apply all the processes professionally and
weld at more or less the same high level.”
Huter and the Jeweler
Only recently, there was a typical assignment for TransSteel at
one of Innsbruck’s famous jewelers. Part of the renovation work
required solid steel girders to be put in to support the ceiling
construction.
But with so many upright structures (temporary supporting
elements to support the ceiling) taking up space, we were severely
restricted: “There was not enough room anywhere; we had to weld in
all positions and it was always out-of-position welding. The lack
of space meant we would have been at our wits end with the larger
MAG systems, and if we had been forced to use smaller electrode
welding systems, we would probably still not be finished.
TransSteel flexibility definitely came to the rescue here!”
Quality and Service
Gattringer and his colleagues love the quality of Fronius
products: “High-quality materials that last forever! But if there
should be a problem, someone comes out at once and repairs the
whole thing. If that doesn’t work, the equipment is replaced
immediately – a service that is almost indispensable, with our
deadline pressure.”
The Fronius sales team is also extremely well informed about
workshop processes. The wearing and spare parts warehouse is
checked regularly by Fronius employees, who are responsible for
keeping it stocked: “The high-quality service from Fronius saves us
a great deal of time and energy. All in all, this is an extremely
valuable partnership for us.”
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[Navigation Title]
Welding on the construction site: TransSteel 2200
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user-report-huter-und-soehne
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Multiprocess welding: Universal use on construction sites
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Huter und Söhne relies on Fronius welding machines. On
construction sites, the compact TransSteel 2200, reliably masters
all welding processes.
Captions:
Fig. 1: The individual components are welded together to make
finished steel door frames
Fig. 2: Aluminum system construction
Fig. 3 Spotless visible seams on handrails in the stainless
steel workshop
Fig. 4 Handrails in stainless steel
Fig. 5 Mobile finishing work with the TransSteel 2200
Fig. 6 Thomas Gattringer, Master metalworker
Fig. 7 Huter & Söhne, Innsbruck, Austria
Copyright to photos: Fronius International GmbH, reproduction
free of charge
High-resolution images are available to download at the
following link:
https://www.fronius.com/en/welding-technology/info-centre/press/user-report-huter-und-soehne
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