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T ube & P ipe Welding: T rends & Progress
117 May 2008 ›
or material combinations which are difficult
to weld. The Teach Mode (patent pending),
a technology based on a self-teaching
system, generates optimal pulse shapes,
even in difficult welding processes.
The StarPulse lasers have a modular
and compact construction, a removable
operating user panel, and they can easily
be integrated into automation solutions.
The lasers also use a sweet spot resonator,
ensuring results, independent of the
parameters selected, and with constant
high beam quality, starting from the first
pulse (no first pulse effect).
In combination with the Micro Weld™
option and direct beam delivery, weld
spot diameters smaller than 0.1mm can
be achieved, even if scan optics with
larger focal lengths are used. A long focal
length leads to a large working field, and
therefore allows processing of several
workpieces on one fixture with fast galvo
deflection heads.
Rofin/Baasel Lasertech – Germany
Fax: +49 8151 776 159
Email:
Website:
GH Group, Spain, is a supplier of induction
heating equipment and installations. The
Group is dedicated to providing superior
induction heating equipment and solutions
to the world market, with more than 4,000
customers in 50 countries.
For the tube and pipe sector, GH provides
complete solutions in induction welding,
annealing and seam annealing, hardening
and tempering, tube end stress relief,
heating before forming, tube coating, and
other customer processes.
The Group offers an entire range of
modern, high frequency power supplies
and equipment for induction heating
applications, from MF IGBT inverters to HF
Mosfet inverters.
In the area of tube induction welding, which
often requires frequencies up to 500kHz,
the natural, most reliable and efficient
component is the Mosfet transistor. This
technology is provided by GH Group’s
latest developments in variable frequency
and automatic load adjustment.
The company has developed the
Transithermic® generator range of
solid-state welders, which can weld
any tube specifications, allowing for
any tube diameter, thickness and
material. These machines provide
flexibility and economy through
reductions in downtime and scrap
material.
GH Group – Spain
Fax: +34 961 352 171
Email:
Website:
Transithermic® generator range of solid-state welders
 GH Group supplies leading solutions in induction welding