..., would have avoided this problem. G. Ince, London and Continental Engineering Was there any wear on the outer rim of the cut- ting heads on TBMs Dania, Jutlandia and Fionia following the discovery of the severe wear on the TBM Selandia? How often were cutter head inspections carried out? Reply by R...

... dials which enabled against the workingface. Rotation was him to perform the operations andchecks out- achieved by electric motors which operated a lined below (Fig. 7). crown wheel integral to the cutter head; 9. He controlled the operation of pumps and forward thrust was exertedby rams. motors...