Tool Guidance

Automation and robotics in waterjet systems.

The required degree of automation follows from geometry, repeat rate, quality requirements, accessibility, and the safety concept. Between a hand-held tool and a fully automated processing cell lie numerous intermediate technical options.

Updated 2026-08-30

Tool guidance is a system decision in its own right

Water tools can be hand-guided, mechanically supported, moved along a defined axis, CNC-programmed, robotically positioned, or remotely operated. The suitable solution depends not only on the required accuracy. Reaction force, accessibility, part variety, and the desired separation between operator and active jet are equally relevant.

CNC systems dominate where cutting contours must be reproducible

In waterjet cutting, the high-pressure system, cutting head, axis kinematics, and CAM/process software form a functional unit. Multi-axis systems extend machining to angled or spatial contours. For cleaning and removal processes, by contrast, a classic gantry axis system is only one of several possible kinematic approaches.

Robots and remotely operated carriers open up complex work envelopes

Robotic systems offer flexible tool orientation and can trace reproducible jet paths for recurring part geometries. Remotely operated carrier units become attractive particularly where large areas, difficult access, or high exposure argue against manual processing.

Automation is not limited to motion

A functioning cell also includes part fixturing, high-pressure routing, media and residue management, protective enclosure, interlocking, process monitoring, and safe maintenance access. For cleaning or deburring processes, a downstream inspection step may additionally be needed so the result can be assessed objectively.

More automation pays off where process requirements are well defined

Typical drivers are high repeat rates, defined quality characteristics, physically demanding manual work, high reaction forces, or hard-to-reach geometries. For frequently changing one-off tasks, a partially automated or flexible manual solution can instead be more economical. The right degree of automation therefore follows the process, not a target of maximising automation for its own sake.

Technical references: Hammelmann – Waterjet Technology · Flow – Waterjet Cutting Systems.