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MAHR MarGear GMX 400 ZLW Universal gear measuring center

Fully automatic precision testing of long gear shafts and gear cutting tools up to an outer diameter of 400 mm

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MarGear GMX 400 ZLW Universal gear measuring center

Combining gear measuring tasks with various form & position features has never been easier.

With over 6000 units sold, the MarWin environment is a clear and simple way of creating complete programs in Teach In mode.

Improves programming efficiency and reduces the possibility of incorrect use.

Proven GMX realtime machine error correction is also used for positioning movements with the new MarEcon control unit, guaranteeing maximum speed and precision throughout the entire measuring and movement sequence.

Gear, form and 3D measurements are performed on one measuring instrument.

High-precision 3D scanning sensor combined with directly driven C-axis for accuracy and efficiency.

GDE interface: “Closed loop” for cylindrical gears.

With the long tailstock option, transmission shafts up to 850 mm can be clamped.

Gear measuring instrument, accuracy class 1, for gear measurements in accordance with VDI/VDE 2612/2613 Group 1 at 20°C ± 2 K (rotational axis in form tester accuracy)

technical data

Max. workpiece weight [kg]
60 (80 on request)
Mass [kg]
Accuracy class I for gear measurements in accordance with VDI/VDE 2612/2613 Group 1 at 20°C ± 2°C
Axial runout deviation (µm+µm/mm measuring radius)
0.11 µm + 0.0008 µm/mm
Footer text
* Max. diameter of cylindrical gears
Radial runout deviation (µm in table height)
≤ 0.11 µm
Height (mm)
2170 mm
Width (mm)
621 mm
Measuring path Z (mm)
Measuring path Y (mm)
Diameter max.* [mm]
Distance between peaks [mm]
2 … 700
Length (mm)
1520 mm
Measuring path X (mm)

Applications & Accessories, Options


  • Basic measuring station with MahrEcon Control unit
  • Suitable for use as a gear measuring station with QE Cylindrical Gear


  • Active vibration damping system
  • Revolving counter tip
  • Data matrix scanner
  • Chuck 70 mm
  • Chuck 200 mm
  • Drive pin set


  • Active damping System
  • Data Matrix Scanner