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75 years of superior clamping & gripping

November 1, 2021 // 1 minute read


The first intelligent tool holder for real-time process control on the market.

With the iTENDO it was possible to combine the excellent features of the TENDO hydraulic expansion technology with the possibility of digital process monitoring. If one looks into the process starting from the place of metal cutting, the iTENDO is the first non-wear part, “closest-to-the-part,” and therefore it is predestined for signal acquisition.

Digitalization – Challenge and Chance

Digitalization is considered to be the greatest challenge in the manufacturing industry. However, it also offers chances for the companies in creating processes more precise, reliable, and faster. The precondition for this is maximum process stability achieved by intelligent solutions and components that could recognize unforeseeable instabilities and could intervene in real-time. The resulting effects are minimization of rejects, a noticeable reduction of production times, as well as an important increase in quality and efficiency – even in the case of small batch sizes. With the new iTENDO – the first intelligent tool holder on the market – SCHUNK is setting a milestone when it comes to digitalization in the metal cutting industry. Due to the real-time capable data communication, SCHUNK offers for the first time an autonomous process optimization in the form of a tool holder.

Technical highlights at a glance:

  • Autonomous process optimization enables real-time capable data communication, process analysis, and parameter optimization.
  • Data security: The process data remain within the closed control loop of the machine.
  • Proven tool holder technology: No change of the outer contour, no restrictions for the use of cooling lubricants apply, high rigidity.
  • Process transparency due to intuitive user interface and process-specific apps.

The iTENDO in action

Drill countersinks 

The iTENDO controls the adherence of the required surface quality when countersinking. In this application, the control of the countersinking process is used for quality and process control, as well as for the documentation of the features.

Drill wear detection

It is difficult to control a drill with a diameter of < 0.9 mm with low cutting forces. The challenge is to recognize wear (wear trend), and to replace the tool before breakage.

Automated adjustment of brushes

The edges of a workpiece surface are deburred in a brush operation. With progressive wear, the brush has to be readjusted. The iTENDO makes an automatic setting possible.


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