TPT May 2010

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Welding Technology
96 M ay 2010 ›
The BRB 4 from Orbitalum Tools
Boiler pipe processing with BRB 4
THE BRB 4 series from Orbitalum Tools,
developed for boiler applications with the
lowest space availability, makes precise
welding preparations possible using
optimal torque, together with low weight.
While processing boiler pipes, the ability
to change quickly from one pipe to another
is required.
With the new BRB 4 Pneumatic/Auto
with pneumatic tension, the machine
is precisely centred in the pipe and
pneumatically clamped or released.
The BRB 4 Pneumatic/Auto is suitable
for series processing, for example in heat
exchanger applications.
In the future, there will be two different
clamping systems available: Standard or
‘NC’.
The new NC clamping system, with its
clamping wedges firmly anchored in the
mandrel, is suited to applications where
no foreign bodies may enter the inside of
the pipe or a container. The NC clamping
Boiler pipe preparation
where space is at a premium
system provides extra safety, particularly
for vertical use.
The Standard clamping system is
established as stable and reliable, and
continues to be available to order.
The machines are constructed modularly.
The company offers five different machine
kits for selection as auto, pneumatic and
electric variants, depending upon the field of
application. Depending on the machine kit,
the inner pipe diameter can be processed
in a range from 19.1 to 110.8mm (0.752"
to 4.362"), with a maximum outer pipe
diameter of 114.3mm (4.5").
The BRB 4 is ideally suited to pipe wall
thicknesses between 2 and 15mm (0.079
to 0.59").
The speed range of the electric motors
as well as the gears were optimised for the
higher chamfer requirements. The drive
is available in both voltage types: 110V,
50/60Hz; and 230V, 50/60Hz.
The new brass brush attachments
prevent chips and other foreign bodies from
unintentionally falling into the inside of the
pipes. This attachment is particularly useful
for vertical work on containers. The brushes
can be mounted quickly and easily on the
threaded spindle of the new BRB 4, and
all brushes can be used for both clamping
systems.
With the patented Quick-Tool-Change
(QTC®) from Orbitalum Tools, the user is
able to change tools quickly and easily. The
integrated multifunctional tool has two to
four cutting edges and a high-performance
surface coating that prevents wear and
tear.
Pipe-ends made from unalloyed, low-
alloy and high-alloy steels, with a high
percentage of chromium and nickel, can
be processed quickly, cost-effectively, and
precisely.
Orbitalum Tools GmbH – Germany
Fax: +49 77 31 792 500
Email:
Website: