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Value Added Logistics

Value Added Logistics (VAL) is the creation of higher added value in the logistics chain. In addition to transport, many transport companies also offer for example, the packaging, weighing and labelling of products. This is also the case in the bulk industry: dry bulk goods are often transported in bulk quantities. From plastic to titanium dioxide, from starch to sugar and from cement to carbon black.

For a well-known logistics service provider in Marseille, mainly active in the (petro)chemical industry, TBMA has supplied an installation for fully automatic quick and direct loading of bulk trucks. A robot places 25kg bags with emulsion PVC powder on a conveyor belt, that transports the bags to a Galahad full-automatic bag slitting and emptying machine. This way a single operator can load a 25ton truck in approximately one hour.

Robot technology with image sensor

Two full pallets with bags are placed at the pick-up point of the robot before the operator starts the line. The robot is equipped with an image sensor to determine the correct position of the pallet and the bags. Using these coordinates to control the robot arm, the bags are put on the conveyor belt. This way, less well stacked or shifted pallets can also be processed without any problems. The robot as well as the conveyor belt are shielded for the operator’s safety.

By using special vacuum technology, the bags are lifted one by one and put on the belt. This technology also ensures that the bags are securely sucked in, resulting in only a small loss. The conveyor belt transports the bags into the Galahad, where they are cut open and emptied. After being sifted, the product is loaded into the truck through a loading chute with a dust-tight connection. All empty bags are then compressed and discarded. When the first pallet is empty, the robot automatically moves on to the second pallet. The operator then replaces the empty pallet with a full one.

Single-head or multi-head

Cost savings and regulations in the field of working conditions are increasingly leading to robotization of heavy work. The Galahad can easily be expanded with a robot for a fully automatic supply of the bags. In most cases, this also applies to pre-existing Galahads.

The robot can be equipped with a single-head or multi-head. The single-head takes a single 25 kg bag at a time and has a maximum capacity of 500 bags or 12,5 tons per hour. A multi-head can pick up a complete layer of 5 bags in one go, which allows a capacity up to 1.000 bags or 25 tons / hour. For both versions, the system can be operated by one person, making the ROI very interesting.

Lifting standards

There is no legal provision for how much an employee may lift manually, but it is usually assumed that 23 pounds is the maximum. Not only weight plays a role, but also frequency, distance of movement, height from floor and rotation of the body. In the Netherlands, this resulted years ago into, for example, sand and cement to be packed in bags weighing maximum 25 kg. However, this does not apply to products imported from other continents: e.g. coffee and sugar are still packed in 50 or even 70 kg bags.

Video

Galahad bag slitting and emptying machine More info

Single-head robot for Galahad bag emptying machine More info

Multi-head robot for Galahad bag emptying machine More info

WHO WE ARE

TBMA are specialists in the design and supply of components and systems for bulk solids handling. Our extensive range of high quality processing equipment is suitable for handling powders and granules with proven reliability in practice in a variety of processing industries. The highly qualified and experienced TBMA staff are well able to translate your requirements into the right execution and application of our components. We also offer the design and execution of complete projects, thus providing you with an efficient, reliable and sustainable solution for your process.

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