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Screw conveyors - We move material reliably

Screw conveyor systems are particularly efficient where only limited installation space is available on the processing machine. The system is used either as a wet or dry conveyor for short, crushed chips or granulate. It is also used in central systems as a screw pre-separator for chips.

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    The screw conveyor is a powerful and reliable transport system that can be used flexibly in various applications with or without fluid.

    Low service requirements and long maintenance intervals, due to the low wear of the components, lead to a significant reduction in personnel and follow-up costs. The long service life of the system enables sustainable integration into your operating processes.

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    Comparatively low investment costs and a short amortization period make the investment extremely profitable and extremely safe.

    The screw conveyor is used for pre-separation and thus relieves downstream filter systems.

Properties

The screw conveyor is a specialized transport system that is configured as a single conveyor, with a container or as an integral part of a system. The system serves as a wet or dry conveyor for short, crushed chips or granulate and is used in central systems as a screw pre-separator for chips. This versatility ensures maximum flexibility to meet future requirements.

Bulk materials or sludge from processing machines are continuously transported horizontally or upwards using the screw conveyors - with minimum space requirements.

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The system is suitable for direct use on the processing machine as well as in various environmental technology areas for transporting bulk materials.

The screw conveyor is available both with and without a core. This means that the coreless conveyor systems have no central drive shaft and consist solely of the screw in the form of a spiral. Screw conveyors with a core, on the other hand, have a drive shaft inside the screw. This is precisely designed to suit the process and the length of the screw conveyor.

The screws are specially hardened and armored as required, especially for applications with abrasive goods or materials. To reduce wear to a minimum, the system is made of stainless steel, steel or with special plastic coatings.

The drive units are sealed so that no fluid can leak out when the system is used wet.
If required, the screws can be equipped with a rotation monitor, which stops the conveyor in the event of a blockage and protects the screw from damage. Safety for your process is our top priority.

Technical details:

  • Drive power: 0.09-3 kW
  • Length: coreless systems up to 4 m, systems with core up to 9 m

Advantages

  • Low wear and follow-up costs due to long service life

    The screw conveyor is characterized by its exceptional durability and long service life. You benefit from outstanding process reliability, high machine availability and a short amortization period, as the system works reliably over a long period of time. Thanks to the long service life, the systems are particularly sustainable and have a positive environmental footprint.

  • Low maintenance and service-friendly design

    The screw conveyor is highly wear-resistant, so you benefit from the system's low maintenance requirements. Your personnel costs and machine downtimes are significantly reduced. At the same time, the system has a very maintenance and service-friendly design and is easily accessible, meaning that maintenance work can be carried out easily by trained personnel.

  • Energy efficiency and sustainability

    Thanks to its low energy requirement, the conveyor reduces your energy costs. At the same time, they increase the sustainability of your processes. The exceptionally long service life helps to conserve resources.

  • Space-saving system thanks to compact design

    The screw conveyor can be installed in the smallest of spaces and ensures optimum use of your available space.

  • Precisely fitting design

    The system is tailored precisely to your application and ensures optimum process flow and maximum productivity.

  • Inexpensive and effective

    Thanks to comparatively low investment costs and rapid amortization, the screw conveyor is a very profitable system.

  • Pre-separator for filter systems

    The system is used as a pre-separator and relieves downstream filter systems.

  • Flexible and versatile

    The screw conveyor can be used flexibly in a wide range of applications and guarantees you maximum safety, even if requirements change.

Areas of application

  • Material: Short/broken metal chips, free-flowing goods, sludge
  • Process: Grinding, milling
  • Fluid: Oil, emulsion, aqueous solutions

Wherever very small chips and bulk material are discharged from the processing machine.

Sealless systems are particularly suitable when a long chip enters the machine.

Find out more about Lehmann-UMT screw conveyors.
Our service goes far beyond the delivery of our systems. We offer you comprehensive support, from individual advice from our experienced experts to instruction and training for the safe use of your system.

Together we move conveyor technology.
Arrange a consultation appointment now and see for yourself.