The Raimondi LR372 is a 370 ton-meter class
luffi ng tower crane with a maximum jib length
of 60 meters and a maximum capacity of
20,000 kg in the two falls confi guration. At the
maximum radius, the LR372 can lift 3,795 kg
in the Ultralift mode, making this Raimondi’s
most powerful luffi ng crane to date.
Domenico Ciano, CEO, Raimondi Cranes,
said: “The crane’s main design engineering
aspects are based on the LR330 luffi ng model
launched last year. The LR372 can be installed
on two diff erent types of towers: for an internal
climbing system, the new GR5H tower at a
width of 2.0 meters, or the 2.3 meter width GR6
tower series (GR6B, GR6 and GR6L inclusive),
for standard, external, and internal climbing
confi gurations.”
All of the aforementioned towers are avail-
able in diff erent lengths for crane confi gura-
tion. The GR6L towers can be installed on
embedded legs and on an 8 x 8 in addition to
Following the announcement of a self-driving
crane module at the bauma 2019 expo, SMIE
has demonstrated the remote control and
automation of tower cranes. Using a remote
4G system, SMIE connected a tower crane
installed with the SMIE ProSite anti-collision
system to their simulator training system
installed 300km away, without any hardware
modifi cation to the crane. The setup requires
only a viable 3G or 4G connection, and where
this is not possible, a Wi-Fi connected system
with direct internet connection can be used
instead.
Nick Palfrey, chief marketing offi cer, SMIE,
said: “For us, this is once again a conceptual
exercise in how we as a technology provider
can push the envelope. Whilst the technol-
ogy works and is entirely useable, we are not
presenting this as a solution for our customers
to adopt immediately. In our view, this is part
of a wider set of solutions that we are creating
to make jobsites smarter.”
RAIMONDI LAUNCHES ITS MOST POWERFUL
LUFFING CRANE, THE LR372
SMIE DEMONSTRATES REMOTE CONTROL
AND AUTOMATION OF TOWER CRANES
CRANES
Raimondi worked closely with its supplier to
develop a new motor to optimize winch per-
formance while reducing energy consumption
in both the LR372 and the LR330 models. The
LR372’s luffi ng movement, using the new 75 kW
winch, is equipped with a standard emergency
brake. Raising the jib from 14.5° to 85° takes ap-
proximately 2.1 minutes with full load.
“In the hoisting movement, the LR372 is
powered by the 110 kW winch with 880 meter
rope capacity, and is equipped with the hydrau-
lic emergency brake as a standard feature. The
drum capacity of the LR372 enables the crane
to work up to 380 meters with two falls and
820 meters with one fall. The LR372 can reach
a maximum lifting speed of approximately 256
meters per minute. The new slewing move-
ment on this crane is driven by the two 15 kW
motors fully controlled by inverters, allowing
it to reach a slewing speed of 0.8 rpm,” said
Ciano.the new 6 x 6 meter strut cross base with or
without travelling system. The GR5H towers
can be installed on embedded elements and on
a 6 x 6 meter strut cross base.CRANES
Vincent Brach, technical director and in-
dustry expert, added: “We are achieving trans-
fer rates of less than 100 milliseconds which is
substantial and well below the levels of whatis required to remotely control a crane. We
added a safety feature to put the crane into a
safety mode if this margin exceeds 100 mil-
liseconds.”PEAK PERFORMANCE
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PLANT / MACHINERY / VEHICLES AUGUST 2019 http://www.pmvmiddleeast.com