GBS Gearbox Services international brand of Schaaf- en Boorwerk Rotterdam B.V.
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ZPMC FH 1690.21.C1B-00

Vibration measurement, extensive inspection and repair on main hoist gearbox ZPMC FH 1690.21.C1B-00

振華港機齒輪箱
Vibration measurement, extensive inspection and repair on main hoist gearbox ZPMC FH 1690.21.C1B-00

  • ZPMC振華港機齒輪箱
  • FH 1690.21.C1B-00
  • Input=___ rpm / ____ KW
  • ZPMC gearbox repair
  • NL

Scope of work:

We performed an inspection and repair on a gearbox ZPMC FH 1690.21.C1B-00.

The conversion operations consists of:

  • A container handling company in the port of Rotterdam invited GBS to perform a vibration measurement on a main hoist gearbox of a deep sea dual trolley container crane.振華港機齒輪箱

    The spectra recorded on the gearbox showed clear fault frequency peaks related to the high-speed shaft bearings. These recorded fault frequencies indicated bearing damage on the outer ring raceway and rolling elements.
  • GBS recommended replacing both high-speed shaft bearings as soon as possible and perform an extensive visual inspection of the gearbox.
  • During the first scheduled stand still of the crane GBS performed the repair of the main hoist gearbox.
  • Activities performed during repair of main hoist gearbox:
  • • Alignment check of both electric motors
    • Draining oil from gearbox
    • Removing upper casing
    • Check of static tooth contact patterns, backlashes and clearances
    • Transport high-speed shaft to workshop
    • Replacement of high-speed shaft bearings
    • Inspection of gears and bearings and cleaning gearbox
    • Assembly of high-speed shaft and gearbox
    • Alignment of both electric motors
    • Refill gearbox with new oil
    • Perform test run



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Note:

Brand : ZPMC Type : FH1690.21.C1B.00
Input speed : 1,800 rpm
Ratio : 21.342
Output torque : 620,000 Nm

Location - date:

The Netherlands - March 2010

Other types of same brand: