Segment Positioning Guide
AssemblyMechanical frame mounted on TBM shield rear that guides the segment into the erection ring with alignment pegs and stop blocks. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Segment Positioning Guide
3 top-level lines as of r151532| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Guide Frame Structure | segment-erector-guide-structure | 1× | 1 | · | part |
| 2 | Alignment Guide Pegs | segment-erector-guide-pegs | 1× | 1 | · | part |
| 3 | Positioning Stop Blocks | segment-erector-stop-blocks | 1× | 1 | · | part |