MacGregor GravityVibeTM - a new gravity self-unloading system enhances flexibility and efficiency in bulk handling
06 Februar 2024 - 9:00AM
MacGregor GravityVibeTM - a new gravity self-unloading system
enhances flexibility and efficiency in bulk handling
CARGOTEC CORPORATION, TRADE PRESS RELEASE, 6 FEB 2024 AT 10 AM
EET
MacGregor, part of Cargotec, has launched a new
and augmented gravity self-unloading system that will allow bulk
carriers to deliver a wider variety of cargo, in greater volume.
The new system, the ‘MacGregor GravityVibeTM’, deploys a
patent-pending vibrating unloader to reduce internal friction and
ease the discharge of coarse materials such as wood chips from the
cargo hold.
While the automated unloading sequence remains a
gravity-based operation, the MacGregor GravityVibeTM includes
vibrating panels to shift the remnants or break the ‘bridges’ that
form when coarse material sticks together to block the outlet.
Crucially, the vibrating panels are isolated from the hull
structure – using a solution from MacGregor on which a patent is
pending – to minimise the transfer of vibrations and noise to other
parts of the vessel.
In contrast with a standard gravity
self-unloading configuration, where slope angles range from 35 to
60 degrees depending on the material, the MacGregor GravityVibeTM
can discharge various cargo types with slope angles of just 15–20
degrees. Since steep slope angles limit hold volume, the system
therefore increases not only the variety of cargo types a vessel
can handle but also its cargo capacity. The additional capacity
also translates into lower carbon dioxide emissions per carried
tonne of cargo.
“Bulk carrier cargo holds are typically designed
to handle a specific kind of material, meaning the ship owner is
somewhat limited in the type of assignments they can take on,” said
Mikael Hägglund, Sales Manager, Self-unloading systems and Cranes,
MacGregor. “The MacGregor GravityVibeTM overcomes these limitations
to afford owners greater flexibility when taking on new contracts,
and it also boosts earning potential and environmental performance
by optimising cargo capacity.”
Whereas large sized conventional self-unloaders
feature two longitudinal and two transfer conveyors, the MacGregor
GravityVibe’s low slope angles also mean that it functions with
just one longitudinal conveyor. With fewer components installed,
the required maintenance and spare-parts will be low when
compared with conventional self unloading systems. The streamlined
set-up also minimises spillage and the need for cleaning, meaning
less work and improved safety for crew. With its increased
efficiency and reduced complexity, the MacGregor GravityVibeTM
solution provides a highly cost effective alternative to
traditional solutions.
“As the culmination of decades of experience in
self-unloading systems and years of targeted research, the
MacGregor GravityVibeTM is our most advanced self-unloader yet,”
said Tomas Wallin, Senior Product Owner, Self-Unloaders, MacGregor.
“We developed the system according to established best practice,
using textbook understanding of material behaviours in combination
with a decisive innovation on how to handle cargo types with
different properties. We have also tested it in collaboration with
leading research centres and technology area experts.”
MacGregor will be offering customers the
opportunity to validate the GravityVibe’s handling of their chosen
materials in full-scale mock-up demonstrations at the company’s
test facilities.
For further information, please contact:
Magnus Sjöberg, Senior Vice President, Merchant Solutions
Division, MacGregorTel. +46 31 850 919,
magnus.sjoberg@macgregor.comOrJanina Aalto, Marketing and
Communications Manager, MacGregorTel. +358 777 6815,
janina.aalto@macgregor.com
MacGregor is a leader in sustainable maritime cargo and load
handling with a strong portfolio of products, services, and
solutions, all designed to perform with the sea.
Shipbuilders, shipowners, and operators are able to optimise the
lifetime profitability, safety, reliability, and environmental
sustainability of their operations by working in close cooperation
with MacGregor. www.macgregor.com
MacGregor is part of Cargotec. Cargotec's (Nasdaq Helsinki:
CGCBV) sales in 2023 totalled approximately EUR 4.6 billion and it
employs around 11,400 people worldwide.
www.cargotec.com
- MacGregor GravityVibe_press
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