TPT January 2011

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80 January 2011 ›
Straightening & Finishing
MAIR Research SpA has installed and
tested a complete precision tube finishing
line. The line contains a ten roll straightener
suitable to handle tubes from 10 to 250mm,
with speeds up to 120m/min.
The machine is fully automated both in
the production change and in the operating
cycle; idle time is reduced to a minimum
level. The construction is based on a sturdy
steel frame, and the prime benefit is the
elimination of vibrations.
In order to keep the set-up during the
Ten rolls tube straightening
operating cycle, each roller unit is inclusive
of clearance recovery by means of hydraulic
clampings.
Available straightening modes include
single bending, double bending, triple
bending, crushing, and bending and
crushing.
Mair Research SpA – Italy
Fax: +39 0445 634 409
Email:
Website:
ITL, India, is a manufacturer of tube
straightening machines, with solutions to
straightening problems for both domestic
and international markets. Available as 6, 10
and 14 roll versions, these tube straightening
machines are designed and manufactured
for ferrous and non-ferrous materials.
The straightening machines offer a
range of features including accuracies of
1 in 1,000, 1 in 3,000 and 1 in 5,000
respectively for 6, 10 and 14 rolls. The
straighteners are available in a wide range
from 3mm to 203mm, with single speed,
dual speed and stepless speed variations.
A high speed of 120m per minute is easily
achievable. The straightening is undertaken
without any marking on the tube ID or OD,
Tube straightening machines available
in 6, 10 and 14 roll versions from India
ensuring a very good finish and imparting
skin hardness to the tube.
The tube straightening machines are
constructed with a fully stress relieved,
fabricated frame. Work rolls are made from
HcHcR steel, which is hardened for longer
life. Rolls are mounted with anti-friction
spherical roller bearing technology and the
entire roller mechanism is independent of
all other components. The machines are
operated by easily visible dial type indicators
with simple initial machine setting.
The company also supplies a range of
tube mills and related entry-level equipment
and finishing products for ferrous and non-
ferrous tube and pipe. These tube mills are
supplied for a tube size range of 20-266mm
OD, thickness of 0.8mm to 12mm, and
length of 4,000mm to 12,000mm.
ITL is also a manufacturer of band
saw machinery that provides the highest
cutting accuracies. It also offers entry-
level equipment, rotary swaging machines,
tube pointing machines and end finishing
equipment (end facing and chamfering).
ITL International LLC – USA
Email:
Website:
ITL Industries Limited – India
Fax: +91 731 2721110
Email:
Website:
Mair’s ten roll straightening machine
All-in-one
uncoiling,
straightening,
cutting and
de-burring
THE Titan, produced by Comco (best known
as Keins), is an all-in-one machine that
includes the capability to uncoil, straighten,
cut off, and de-burr tube with ODs up
to 30mm. A tube transfer station is also
included, as well as an optional pick and
place operation.
Processes can be performed with
or without a mandrel, and the unit can
be separated into individual processes
creating an automatic or semi-automatic
system. The advantages of such as system
are the time savings and productivity
increases that result from streamlining the
process and reducing setup time for new
production runs.
Accuracy and cleanliness aremaintained
as there are no chips, and the blades are
fed by an AC servo as they rotate around
the fixed tube, leaving no scratches. A
built-in inner and outer de-burring unit
produces smooth ends, while scrap and
defective tubing are separately discarded.
Comco – USA
Email:
Website: