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·TBM
TBM is quite expensive also need to take the responsibility of duty and safety TRB 8-12” 17”cutter bearing part number： - HH224335/310 80% - H924045/010 20% Other part number(mainly used in Robbins design )： - HH926749/710 19” Cutter - HH224349/310 Virth Cutter |  |
At present, it was used in the water diversion project in the west of Liaoning Province, and it worked for more than 2km, which has reached or even exceeded the average level with Timken, so as to realize the imported replacement.
·Tunnel boring machine main components and system introduction
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