Roof Drill
AssemblyA hydraulic rock drill on a feed beam carried around a ring track behind the roof shield. The roof drills make the holes for rock bolts in the crown and walls, and holes for drainage or grouting where needed. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Roof Drill
3 top-level lines as of r193975| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Hydraulic Rock Drill | main-beam-tbm-rock-drill | 1× | 1 | · | part |
| 2 | Drill Feed | main-beam-tbm-drill-feed | 1× | 1 | · | part |
| 3 | Drill Positioner | main-beam-tbm-drill-positioner | 1× | 1 | · | part |