Form tester with the highest accuracy in its class

The form testers of the RONDCOM NEX series enables precise measurements of roundness and roughness in the R, T and Z axes and features best-in-class rotational accuracy.

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RONDCOM NEX and RONDCOM NEX Rs are universal form tester for the analysis of roundness, roughness, cylinder form, perpendicularity, parallelism, straightness, flatness, coaxiality, concentricity, and thickness error. With rotational error of just 20 nanometers, both form testers are ideal for a wide range of precision parts that have a height of 300 mm or 500 mm and weigh up to 60 kg.

Perfect positioning

The patented CNC offset stylus mount enables CNC-guided rotating and pivoting of the stylus and allows deep insertion and also measurement below the R axis.

More accurate measurements

The form testers of the RONDCOM NEX Series additionally feature an on-board R axis ceramic with high rigidity and reduced weight, allowing even more accurate measurement of large cone angles, diameters and straightness.

Improved design

The form testers have an extended centering range of ± 5 mm and a precise, wear-free rotary table on air bearings. Thanks to the improved design, the form tester is even more stable against air circulation.

max Ø / Z / weight
RONt    Parallelism Ѳ-Z Resolution for form
300/300/30 – 60kg 0.02+(3.2H/10000) 0.7µm/300mm max. 0.001µm
300/500/30 – 60kg 0.02+(3.2H/10000) 1µm/500mm max. 0.001µm

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