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drylin® 7th axis for all robots

7th axis for all robots

With the 7th axis kit, the workspace of common lightweight robots can be expanded via our linear module (or linear axis). It is controlled by digital I/Os and at the same time, fulfils the safety requirements. Compatible with:

... expand the workspace of common robots ...

7th axis for all robots

One axis for all robots

  • Flexible robot use instead of locking kinematics
  • Connection via linear carriage of the ZLW-20 modular axis
  • Stroke lengths of up to 3000mm
  • Adapter kit including preparation of suitable e-chain systems®
  • The ZLW-20 toothed belt axis can be delivered ready for connection with the matching adapter kit or the adapter kit supplied separately.

Tech up

Tech up

  • Suitable adapter kits for igus® robots, Universal
    Robots, Epson, Omron, Franka Emika, Doosan,
    Yuanda Robotics and many more.
  • For the flexible use of robots in the workspace
  • Ready-to-install linear axis 7 in robotics

Cost down

Cost down

  • Toothed belt axis ZLW-20 from the standard linear construction kit
  • Adapter kits suitable for linear carriages of the ZLW-20
  • Kits can be supplied individually, or to save construction time and effort , you can order them fully assembled as a ready-to-connect linear axis
  • Fast control via digital I/Os



  • Service life of the toothed belt axis can be calculated online
  • Up to 4 times larger robot working area through linear adjustment with axis 7



  • 100% lubrication-free ZLW-20 toothed belt axis
  • Materials can be recycled
  • Existing toothed belt axis ZLW-20 can be retrofitted.
  • Adapter kits can be ordered separately.

Configuration via digital inputs and outputs


  • 6 digital inputs (64 freely programmable positions)
  • 6 digital outputs for status feedback
  • 23xl Stepper Kit
  • Pre-configured for NEMA 23XL stepper motors

Isn't your robot included?

Switch cabinet for 7th axis

Configure 7th axis - download STEP data now

Download the STEP data of the 7th axis, alternatively with an e-chain, and configure your own robot application. Or contact us! Our experts will be happy to assist you.

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I would be happy to answer your questions

Michael Hornung

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The terms "igus", "Apiro", "CFRIP", "chainflex", "conprotect", "CTD", "drygear", "drylin", "dryspin", "dry-tech", "easy chain", "e-chain", "e-chain systems", "e-loop", "e-ketten", "e-kettensysteme", "e-spool", "e-skin", "flizz", "ibow", "igear", "iglidur", "igubal", "kineKIT", "manus", "motion plastics", "pikchain", "plastics for longer life", "print2mold", "readycable", "readychain", "ReBeL", "robolink", "speedigus", "tribofilament", "triflex", "xirodur" and "xiros" are legally protected trademarks of the igus® GmbH/Cologne in the Federal Republic of Germany, and, where applicable, in some foreign countries.
igus® GmbH points out that it does not sell any products of the companies Allen Bradley, B&R, Baumüller, Beckhoff, Lahr, Control Techniques, Danaher Motion, ELAU, FAGOR, FANUC, Festo, Heidenhain, Jetter, Lenze, LinMot, LTi DRiVES, Mitsubishi, NUM, Parker, Bosh Rexroth, SEW, Siemens, Stöber and all other drive manufacturers mentioned on this website. The products offered by igus® are those of igus® GmbH.