GBS Gearbox Services international brand of Schaaf- en Boorwerk Rotterdam B.V.
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2x 2R630

Gearbox repair of STORK 2x 2R630

Gearbox repair of brand CONRAD STORK 2x 2R630

  • 2x 2R630
  • Input=___ rpm / ____ KW
  • CONRAD STORK gearbox repair
  • netherlands

Scope of work:

We performed an inspection and repair on a gearbox CONRAD STORK 2x 2R630.

GBS International got this CONRAD STORK 2R910 S/3 Spec gear unit in our workshop in The Netherlands. After inspecting the gearbox, we did a complete overhaul and testing. After our review department was done, we send the gearbox back to our client.

The chattering of the teeth was caused by a defective tachometer. As a result, the control to both e-motors did not run smoothly. The amplitude of the rotation frequency of the outer e-motor has increased considerably since October 6, 2014. This was 2.20 mm / s RMS against 6.36 mm / s RMS on June 24, 2016. This phenomenon is caused by a relatively weak arrangement of this e-motor. engine. Also measured in the spectrum on the gearbox is the rotation frequency of the between axis (s) (2.92 Hz) clearly visible. In addition, the rotational frequency of the input axis (s) (18.37 Hz) is visible. The tooth engagement frequencies of the first stage (pin) with light sidebands (440.92 Hz) and second stage (pin) including harmonic (52.54Hz, 105Hz, 157Hz, etc.) are also visible. This picture corresponds to the vibration analysis of 6 October 2014. During the visual inspection, in addition to old damage on the unloaded flanks, walk-in clearance was found on the gear of the first intermediate shaft, E-motor in the middle of the gearbox.

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Location - date:

The Netherlands - June 2016
See Conrad Stork special page

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