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27-09-2024, 11:51 AM
https://www.channelnewsasia.com/singapor...re-4639661
"Just like cars, (trains) have axle boxes; it’s very rare for (them) to drop. It’s very unfortunate and a very rare case,” said electrical engineering expert Teo Chor Kok.
Mr Teo said this was the first time he had heard of an axle box dropping off after becoming dislodged. Routine inspections of the train would have included the undercarriage area and the axle boxes, he added.
The axle box, which houses the bearings that allow the train's wheels to rotate smoothly, is designed for heavy-duty use, said another expert.
"Under normal circumstances, the axle box, bogie (an undercarriage with wheels) and train wheels do not come off from the train," said Mr Jumadi Husani, the chief specialist for rail operations at Dubai's Roads & Transport Authority.
If it does happen, it is mainly due to improper installation of parts after maintenance or testing activities or if defective components like damaged bolts or screws are not replaced, Mr Jumadi said.
"Just like cars, (trains) have axle boxes; it’s very rare for (them) to drop. It’s very unfortunate and a very rare case,” said electrical engineering expert Teo Chor Kok.
Mr Teo said this was the first time he had heard of an axle box dropping off after becoming dislodged. Routine inspections of the train would have included the undercarriage area and the axle boxes, he added.
The axle box, which houses the bearings that allow the train's wheels to rotate smoothly, is designed for heavy-duty use, said another expert.
"Under normal circumstances, the axle box, bogie (an undercarriage with wheels) and train wheels do not come off from the train," said Mr Jumadi Husani, the chief specialist for rail operations at Dubai's Roads & Transport Authority.
If it does happen, it is mainly due to improper installation of parts after maintenance or testing activities or if defective components like damaged bolts or screws are not replaced, Mr Jumadi said.
