The X-AX LASERBAR is the solution to calibrate 3- 5-axis machine tools completely with minimal measuring equipment expenditure. A measuring system for determining volumetric machine deviations has never been so compact, light and inexpensive.

Linear Axes

Determination of the quality-relevant axis geometry for linear axes: straightness, pitch, yaw, roll, positioning (6 DOF) + squareness, up to axis lengths of 1.5 m.

Rotary Axes

Determination of the quality-relevant axis geometry for rotary axes: axial and radial runout, wobble and angular positioning (6 DOF) + orientation.

Flexible Monitoring

Monitoring of machines, flexibly and independently.

Simple use

Simple measurement and documentation.

Time saving

Savings in time and effort for measuring equipment.

Easy data output

Output of compensation data per mouse click.

Maximum Accuracy

Optional volumetric compensation for maximum accuracy gain.

Machine Verification

Standard-compliant machine verification.

Wide range of uses

Can be used anywhere.


Determination of deviation values for the linear and rotation axes

As with the LASERTRACER, purely interferometric measurements are used to determine the geometric condition of the machine. With the X-AX LASERBAR, the laser is guided from the machine via the multi-stage telescopic tube. The two ends are supported by precision spheres in sphere nests. This makes it possible to calibrate smaller and medium-sized machine tools with 3, 4, 5 or more axes with manageable hardware.

With conventional measuring equipment, the total geometric deviations of a 5-axis machine can only be determined with extremely high effort – the entire process can take several days. Etalon’s X-AX LASERBAR, on the other hand, requires no more than two to four hours to fully capture all geometrical deviations of a 5-axis machine.


Software package TRAC-CAL

Combined with the sophisticated TRAC-CAL software, the measuring system analyzes the entire working area of the machine tool. It provides an accuracy of 1 µm and determines position deviations, straightness deviations, rotational deviations (pitch, yaw, roll) and the perpendicularity of the axes to each other. The angular positioning deviations, the axial and radial movements and the wobbling of rotary axes are also fully recorded. At the push of a button, a corresponding measurement report is generated for documentation purposes.

To increase the accuracy of the machine, correction data can then be automatically generated for the control system. The result: a maximum reduction of all geometrical errors, a process stable production from the first component and thus hardly any rejects or reworking effort.

Technical Data

  • Uncertainty:  U(95%) =1.0 µm
  • Measuring range: 270 mm – 1050 mm / 210 - 745 mm
  • Horizontal angular range: no fix limit
  • Vertical angular range: -45° to +75°
  • Weight: 0.4 kg (without sensor box)

View X-AX LASERBAR in Action

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