Cutterhead
AssemblyRotating steel wheel carrying disc cutters, driven by a ring of electric motors through a main bearing and reduction gearing. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Cutterhead
7 top-level lines as of r177882| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Cutting Wheel Structure | tbm-cutterhead-structure | 1× | 1 | · | part |
| 2 | Disc Cutter 4 parts | tbm-disc-cutter | 38× | 38 | 0 | assembly |
| 3 | Cutterhead Drive Motor 4 parts | tbm-drive-motor | 8× | 8 | 0 | assembly |
| 4 | Main Bearing 3 parts | tbm-main-bearing | 1× | 1 | 0 | assembly |
| 5 | Gearbox Housing | gearbox-housing | 8× | 8 | · | part |
| 6 | Helical Gear Pair | gear-pair | 16× | 16 | · | part |
| 7 | Main Bearing Seal Assembly 2 parts | tbm-cutterhead-seal | 1× | 1 | 0 | assembly |