This new 7th axis from Treotham extends working space by up to 400 per cent

This new 7th axis from Treotham extends working space by up to 400 per cent article image

With the igus 7th axis from Treotham Automation, articulated arm robots now have more freedom than ever before.

This linear axis with an electric toothed belt drive can travel over six metres, quadrupling their working space.

And now the 7th axis is compatible with all lightweight articulated arm robots worldwide thanks to a simple Plug & Play kit.

To date, models from Universal Robots, Epson and the igus robolink series from Treotham have benefited from this increased mobility. Now major players OMRON, Franka Emika, Doosan, Yuanda Robotics and many other lightweight robotics suppliers are joining the list.

Launched in 2020, the igus linear axis has been a real game changer.

“Suddenly, thanks to the additional axis, their articulated arm robots are as mobile as humans,” says Alexander Mühlens, Head of Automation Technology at igus.

“This enables them to take on multiple tasks in automation environments making them significantly more productive,” he says.

“We therefore decided to extend the compatibility of the system to all manufacturers worldwide. With a matching Plug & Play kit of hardware and software we make customisation possible.”

Ready-to-connect solution for lightweight articulated arm robots

In the future, all lightweight articulated arm robots with a weight range of 10 to 50kg or, depending on the dynamics, a payload of 2 to 20kg can use the 7th axis.

Treotham Automation supplies the system in Australia as a ready-to-connect complete solution from a single source.

It consists of a drylin ZLW toothed belt axis with a length of up to six metres and two parallel rails made of aluminium. These can be mounted on the floor, walls or ceilings and a toothed belt drive with stepper motor for a positioning accuracy of 0.3mm.

Also included is:

  • An energy chain for guiding energy and data cables
  • A switch cabinet integration kit with cables
  • Motor control system and the respective software solution
  • A carriage with the adapter plate that is adapted to the geometry of thousands of articulated arm robots.

All components are perfectly matched, so that users can quickly put the system into operation and benefit from the new mobility without expensive design and tuning work.

Lubrication-free and maintenance-free

Users save time and money not only in planning and purchasing the 7th axis, but also in operation. All made possible because the system works maintenance-free. The reason: the carriages move on the aluminium rails with the help of drylin linear technology.

The high-performance plastic of the bearings enables low-friction and maintenance-free dry operation. The absence of lubricants also makes the system hygienic. The stainless steel version with FDA-compliant components makes the linear guide ideally suited for sectors such as the food industry.

For more information, contact Treotham Automation.

Treotham Automation Pty Ltd

1300 65 75 64



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