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Inspection and repair of DEMAG 200 ZW/KR gearbox

Inspection and repair of DEMAG 200 ZW/KR gearbox

  • DEMAG gearbox
  • 200 ZW/KR
  • Input=___ rpm / ____ KW
  • DEMAG gearbox repair
  • Netherlands

Scope of work:

We performed an inspection and repair on a gearbox DEMAG 200 ZW/KR.


We did a total review and full overhaul on this DEMAG 200 ZW/KR gearbox from one of our clients in Netherlands. After a succesfull test run, we shipped the DEMAG 200 ZW/KR gear unit back to the client.

After opening the gearbox, we saw fresh hairline cracks in the hub of the intermediate wheel, these were new because there was no contamination in them, see photos 8 to 11. After inspection of the gearwheels, we measured the oscillation with a clock and found a 0.7 mm oscillation on the intermediate wheel, see photo 1 and 2. The output shaft showed no oscillation. There was also a heavy point with a certain position, the axle returns. (Unbalance) Play axially, see measuring list.



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Location - date:

The Netherlands - October 2016

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