Big Bag aufschneiden

Efficient big bag cutting: Solutions for forklift and crane operation

When handling bulk materials such as chemical additives or granulates, big bag slicing plays a central role in industrial processes. ING. M. SCHURZ offers customized equipment that ensures both the safe and efficient transport and cutting of big bags – regardless of whether you use a forklift or a crane.

Big bag combi device for transporting and cutting open big bags

Big bag combination unit for forklift operation

The big bag combination device from ING. M. SCHURZ combines two essential functions: the transportation and cutting of big bags in a single device. This solution saves time, increases safety and improves efficiency in the work process.

  • Transport unit: The transport unit lifts and transports big bags safely using fork tine drive-in shoes, which ensure easy handling. At the same time, it protects the cutting unit to prevent injuries and damage. The four suspension lugs securely hold the big bag in place before the forklift transfers it to the stationary lifting unit.
  • Slicing unit: As soon as the forklift has transferred the big bag to the lifting unit, the operator removes the slicing unit from the transport unit. This unit is then moved directly under the big bag. Using an integrated cutting mechanism, the operator pierces the big bag from below and opens it. The big bag is then lifted using the lift of the forklift so that the granulate is released precisely and completely.

Advantages of the combi appliance:

Combination of transport and slicing function in one appliance.

High level of safety thanks to the protection of the cutting blades during transportation.

Easy to pick up by the forklift truck using fork prong drive-in shoes.

Efficient emptying of large big bags without additional equipment changes.

Big Bag aufschneiden - das Gerät für den Kranbetrieb

Cutting open the big bag: Solution for crane operation

ING. M. SCHURZ has developed and offers a separate big bag cutting device for crane operation. This device is particularly suitable for industrial environments such as steel production. Users empty big bags over a grid and transport bulk materials such as chemical additives or granulates directly into mixing bunkers.

  • Use in crane operation: In crane operation, the indoor crane positions the cutting device directly on the grid. The operator then uses a front loader to lift the big bag containing chemical additives over the device. By slowly lowering the big bag, it is cut open at the bottom and the material is emptied.
  • Safety and precision: The device cuts the big bag precisely at the bottom so that the granulate enters the mixing hopper without loss. Additional protective devices secure the cutting blades when they are not in use, thus minimizing the risk of injury.

Advantages of the slicer:

Precise cutting of large big bags in crane operation.

Robust construction with hardened blades made of special steel.

Maximum safety thanks to guards that cover the blades when they are not in use.

Special solutions for big bags

We have already implemented numerous individual solutions for handling big bags. Below you will find an overview of our projects that we have successfully implemented for various areas of application. Click on the individual sections to find out more about the specific projects.

Big Bag Klammer

Advantages

Guide system – steel profile in patented silumin rail ensures torsional rigidity with low front dimensions or dead weight and optimum force distribution.

Additional continuous plastic rails protect profiles, increase sliding properties and have a noise-insulating effect. Maintenance costs are reduced.

The silumin rails can be turned over or replaced if damaged.

Integrated sideshift means no loss of load capacity and large, accessible shifting paths.

Professional mandatory risk analysis in accordance with EN ISO 12100

CE-compliant; including type plate and all documents

100% Austrian in-house production, therefore rapid spare parts supply

Stationary device for loosening clumped sodium filled into big bags. The clamp is moved hydraulically on rails over an opening in the floor. A forklift then lifts the big bag between the clamp arms. By squeezing the big bags with the clamp, the sodium is loosened and trickles into the floor opening for production.

All hydraulic functions are controlled from the truck via a control bulb suspended from the ceiling.

Advantages

Device for optimum, safe and fast logistics processes in production

Size, height etc. precisely matched to the local conditions.

Vibration speed of the device can be precisely adjusted to the granulate.

Professional mandatory risk analysis in accordance with EN ISO 12100

CE-compliant; including type plate and all documents

100% Austrian in-house production, therefore rapid spare parts supply

The SCHURZ vibrating table is for our customer from Carinthia – a plastics processing company – which fills plastic granulate into big bags. In order to increase the filling level in the big bags, they have to be vibrated so that the granulate sits together and a high loading density of the big bags can be achieved.

Although the customer’s filling machine was equipped with a 4-fold jogging device, it could not achieve this level of efficiency as the big bags were jogged from above via the hanging loops.

The SCHURZ vibrating table is therefore the optimum solution, as the big bag is now placed on this platform of the SCHURZ vibrating table during filling and vibrated with direct contact, whereby the granulate is optimally compacted.

The special feature of the SCHURZ vibratory plate is also the infinitely variable electronic control of the motor speed of both vibratory motors, because depending on the type of granulate, the vibratory frequency is decisive for the filling density.

In this way, optimum filling can be achieved.

Advantages

Simple mechanical stationary device

Customized design

Years of experience with identical mobile SCHURZ big bag slicer

CE-compliant; including type plate and all documents

100% Austrian in-house production, therefore rapid spare parts supply

The SCHURZ slicer for big bags with a weight of 2,000 kg was custom-made for one of our customers by the company. ING. M. SCHURZ produced. The customer already has a mobile device for forklift use and now it was necessary to bring a device for crane operation into use.

Chemical additives in powder form for steel production are delivered to the company in big bags and these have to be placed in a mixing bunker. The SCHURZ cutting device is placed on the grating of the mixing bunker using an indoor crane.

The fully loaded big bag is picked up with a front loader and lifted over the SCHURZ cutting device. The big bag is cut open at the bottom by lowering and emptied by lifting.

As the SCHURZ Big Bag slicer is designed with hardened blades made of special steel, these must be covered by a separate protective device for safety reasons when they are not in use.

Hebetraverse zur Aufnahme mit einem Hallenkran

Advantages

Simple lifting tool. Can be manufactured in various dimensions and with different load capacities.

Robust construction

CE-compliant; including type plate and all documents

100% Austrian in-house production, therefore rapid spare parts supply

SCHURZ lifting beam for lifting via a central suspension eye at the top. The lifting beam is picked up on the crane hook using an existing 1,200 kg indoor crane.

Includes 4 load hooks with safety catch, adapted to accommodate big bags.

Big-Bag Kombigerät mit Transport- und Schnitteinheit

Advantages

Extremely robust design for demanding applications

Mechanical combination device for transporting and slicing big bags

Hardened and replaceable cutting blades

CE-compliant; including type plate and all documents

100% Austrian in-house production, therefore rapid spare parts supply

The SCHURZ big bag combination unit consists of a transport unit and a cutting unit. The complete unit is used to pick up big bags.

The transport unit together with the big bag is transferred to a stationary unit. The cutting unit is then removed from the forklift and the big bag is pierced from below and cut open. In the combined state, the transport unit serves as protection for the cutting blades and also as protection against injury. The device is picked up using fork prong drive-in shoes.

Big Bag Entladegerät für individuelle Big Bags, die aus einem LKW entnommen werden müssen.

Advantages

Robust design for demanding applications

Special design for the transportation of special big bags

Fast, simple, safe unloading in difficult conditions

Professional mandatory risk analysis in accordance with EN ISO 12100

CE-compliant; including type plate and all documents

100% Austrian in-house production, therefore rapid spare parts supply

For our customer in New Caledonia, which mines nickel and cobalt resources, we were able to implement another project suitable for their XF25N hangcha stacker with a basic load capacity of 2,500 kg at LSP 500 mm: the SCHURZ big bag unloader.

As already explained in the previous project, the extracted raw materials are filled into special big bags, loaded into containers and shipped worldwide.

The filled big bags are loaded into containers using the SCHURZ big bag transport and loading device. Now it is a matter of being able to unload them easily, safely and efficiently from the container into which they have been loaded in a space-saving manner for optimum space utilization. However, this makes it difficult to unload them quickly.

The SCHURZ big bag unloader was manufactured and designed for this case. It is picked up via the carrier plate of the forklift truck. The device is supplied with an 8 meter long chain, at the end of which a double hook is mounted. To prevent any unwanted interference from the possibly overhanging chain during unloading, the SCHURZ Big Bag unloader is fitted with a container specially designed to store the excess chain. This prevents it from dragging on the ground or becoming entangled during operation, which would represent a massive safety problem.

Once the hooks of the SCHURZ big bag unloader have been attached to the four loops of the big bag to be removed and the chain on the unloader has been locked as briefly as possible in the anchorage provided, the unloading process can begin.

Sondergerät für den Stapler, um Big Bags transportieren und stapeln zu können.

Advantages

Robust design for demanding applications

Special design for the transportation of special big bags

Robust special design so that no additional forces are transferred to the truck to prevent damage.

Optimum utilization of the container volume thanks to adapted design.

Professional mandatory risk analysis in accordance with EN ISO 12100

CE-compliant; including type plate and all documents

100% Austrian in-house production, therefore rapid spare parts supply

For our customer in New Caledonia, who mines nickel and cobalt resources, a total of 6 SCHURZ Big Bag transport devices were designed and manufactured to fit their Hangcha stacker XF25N, with a basic load capacity of 2,500 kg at LSP 500 mm.

The mined raw materials are filled into special big bags, loaded into containers and shipped worldwide.

These big bags are specially manufactured for the customer with additional loops and in special sizes to load the container as efficiently as possible. It is therefore not possible to manipulate these big bags in the usual way with forks. In this case, it was necessary to use a custom-made transport device. Furthermore, the filled big bags have to be loaded into containers, whereby they are also stacked on top of each other. The specially attached offset loops on the big bags make it possible to stack them in the container up to the ceiling.

The SCHURZ transport device also had to be adapted accordingly. The SCHURZ big bag transport device was designed with the appropriate, individual dimensions for the loops of the big bags, the special size and for placing and stacking in the container. Upright support profiles ensure maximum utilization of the container width.

The SCHURZ Big Bag transport devices are mounted using the carrier plate of the forklift truck and the SCHURZ transport devices are secured against falling with the aid of the screw-on jaws. Thanks to the robust design, all forces are absorbed by the SCHURZ device to prevent damage to the sideshift or the carrier plate, as was previously the case.

Big Bag Tragdorn für Gabelaufnahme

Advantages

Extremely robust design for demanding applications

Reversible attachment for optimum visibility and wagon unloading

CE-compliant; including type plate and all documents

100% Austrian in-house production, therefore rapid spare parts supply

The SCHURZ lifting pin is used to pick up big bags with a weight of 2.5 tons. The load is picked up by the mandrel via two suspension loops on the long side of the big bag.

The device is designed as a reversible device (mandrel possible below and above the forks). A retaining ring is fitted to the tip of the mandrel to prevent the big bag suspension loops from slipping off.

Befülltrichter für BIG BAG

Advantages

Safe and convenient filling

Use with forklift possible

Mobile use

Professional mandatory risk analysis in accordance with EN ISO 12100

CE-compliant; including type plate and all documents

100% Austrian in-house production, therefore rapid spare parts supply

The SCHURZ filling hopper can be picked up using the forklift forks. This makes it possible to transport the hopper using a forklift.

The BIG BAG is attached to the retaining hooks under the fork entry shoes of the filling hopper using the lugs. The BIG BAG can then be filled safely and easily.

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