WELDER'S WORLD No. 04

NEWS
Foto: Komatsu/Photo: Komatsu
Thanks to the long years of cooperative partnership
between ABICOR BINZEL and one of the leading
construction machinery manufacturers in Japan, the
requirements for a new robot welding torch were
defined at an early stage, and a development project
was initiated with the following objectives:
Small design size coupled with top performance
Excellent welding properties
High crash stability
A solid basis was provided by the use of the triedand-trusted
ABICOR BINZEL WH interface for manual
and automated torch neck changing. In addition, the
existing requirements were supplemented by longer
product service life and less maintenance intervals.
In close cooperation with specialists from day-to-day
practice and intensive stress tests during normal production,
a completely new type of high-performance torch
was developed, which has outstanding advantages:
s s s
Durch die langjährig gereifte Partnerschaft
zwischen ABICOR BINZEL und einem der führenden
Baumaschinenhersteller Japans wurden die Anfor -
derungen an einen neuen Roboterschweißbrenner
frühzeitig definiert, gemeinsam wurde ein Entwicklungsprojekt
mit folgenden Zielen gestartet:
Kleine Baugröße bei höchster Leistung
Beste Schweißeigenschaften
Hohe Crash-Stabilität
Eine gute Basis war die Verwendung der bewährten
ABICOR BINZEL WH-Schnittstelle für den manuellen
und automatisierten Brennerhalswechsel. Zusätzlich
wur den die schon bestehenden Anforderungen durch
s s s
Der führende japa nische
Baumaschinen hersteller
Komatsu vertraut auf
innovative Schweiß -
brenner tech no logie
von ABICOR BINZEL
The leading Japanese
earth-moving equipment
producer Komatsu trusts
on innovative torch
technology of ABICOR
BINZEL
■ Maximum welding performance coupled with small
design size
Thanks to a new cooling circuit (double loop) and
opti mum heat transfer, the design does without a directly
cooled gas nozzle despite a power rating of 550 A
using mixed gases or 600 A using CO 2 . This made a
particularly slim outer contour possible.
■ Excellent welding properties
The separate guide channels with large crosssection
make a high volume flow possible. The gas is
supplied to the welding process in a laminar and
stable manner via the gas distributor and the ideally
shaped gas nozzle. Even the very long, free wire end
and high quantities of gas common in Asia result in
optimum pore-free weld seam quality.
The contact tip is in direct contact with the liquidcooled
inner pipe due to the way it is fixed in place.
This design provides several advantages. Firstly, a
longer service life of the contact tip thanks to improved
cooling while avoiding unnecessary thermal bridges.
Secondly, a stable light arc thanks to lower electric
contact resistances and lower drops in voltage.
■ High crash stability
A thick-walled stainless steel outer pipe with a diameter
of 24 mm almost doubles crash stability. This
means the torch can cope with the faster processing
speeds of new robot generations.
The TCP (Tool Center Point) remains constant and
the weld seam quality stable. Reworking costs are
drastically reduced.
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