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wmidsmetro-bogies

POSTED ON
July 1st, 2021

Accommodation bogies streamline Metro maintenance

We have been called upon by Midland Metro, the operator of West Midlands Metro, to keep its tram maintenance programme on track.

Three bespoke accommodation bogies have been produced for the Wednesbury depot, to enable carriages to be stored outside whilst the trams’ bogies are refurbished.

Accommodation, or dummy bogies as they are sometimes known, support a vehicle at a suitable height for maintenance after the working bogie has been removed. Following West Midlands Metro’s initial enquiry, our expert engineers visited Wednesbury to measure the trams accurately and ensure the working bogies were replicated as closely as possible.

We designed two power bogies and one trailer bogie to work with the Urbos 3 CAF trams used on the Birmingham to Wolverhampton line. They have a 13-tonne safe working load and were constructed for outdoor use and storage. Due to curvature on the track leading into the depot, it was essential the wheel centres on the accommodation bogies replicated the working bogies. If they were too large, there was a chance they could become stuck.

Lindsey Mills, our sales manager, said: “Accuracy was key to the success of this project, as the mounting points and bump stop positions are critical to how accommodation bogies perform. I am pleased to say our engineers took our tried and tested design and adapted it perfectly to the needs of West Midlands Metro. The three units are now in service and are enabling this busy depot to operate a slicker, safer bogie refurbishment programme.”

Once a car has been released from the working bogie, it is lifted with jacks and the bogie is moved away. The accommodation bogie is then positioned below the car, which is lowered onto it and shunted outside to a storage area.

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