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Maintenance-free plain bearings in control arms of AGVs

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  • What was needed: Plain bearings for the wishbones that form the suspension system of the AGVs
  • Requirements: As compact as possible / suitable for small installation spaces, durable, suitable for high forces, insensitive to vibrations
  • Industry: material handling
  • Success for the customer: Our bearings made of the material iglidur® Z fulfil all the above-mentioned customer requirements and also score points with absolute freedom from maintenance
Autonomous transport vehicle moves a pallet load in a warehouse.

Problem:

The designers at Etisoft Smart Solutions were unable to use conventional rolling bearings due to the limited installation space in the transport vehicles. That's why a space-saving alternative was needed.

Solution:

Polymer plain bearings from the iglidur® Z series are used in the control arms of the autonomous transport vehicles. The bearings make it possible to distribute the weight of the robot and its load evenly. They transmit the axial forces that act on the suspension bolts and enable the smooth running of the entire mechanism.

Up to 550 kg payload

Autonomous transport robot from Etisoft Smart Solutions with control panel and warning signs.

The Polish company Etisoft Smart Solutions develops transport vehicles for material handling. This includes the IntraBot Lift 550 robot, which is an Automated Guided Vehicle (AGV) and part of an intralogistics system that is used for the automated execution of internal transport tasks for components and finished products in a factory or warehouse.

The AGV is designed so that it can be used around the clock and continuously. The robot, which weighs just under 250 kg, has a payload of 550 kg. Due to the payload and uneven floors, the suspension mechanism is exposed to vibrations and high forces. This leads to a load on the mechanical components. For this reason, Etisoft Smart Solutions decided in favour of the use of iglidur® plain bearings.

Production process accelerated with iglidur plain bearings

Transparent CAD view of a vehicle chassis with blue cable carrier system and wheels.

Shown in yellow: iglidur Z plain bearings and e-chains

The iglidur® Z bearings are used in the wishbones that form the suspension system of the AGVs. The bearings transmit the axial forces that act on the suspension bolts and also enable the entire mechanism to function smoothly. The simple assembly of the igus® products speeds up the manufacturing process of the IntraBot Lift 550. igus® energy chains also proved their worth in the lifting mechanism, protecting the cables during the movement of the mechanism.

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