History: Main Beam Tunnel Boring Machine
2 revisions. Every revision is the complete page as it stood; revert restores an old revision as a new change.
r194110 · current
- Spec Disc cutters changed to "46 × 19-inch, back-loading"
r193914
- Created Main Beam Tunnel Boring Machine (product): "An open hard-rock tunnel boring machine that clamps itself to the tunnel walls with gripper shoes and thrusts a rotating cutterhead of disc cutters into the rock face, installing rock support directly behind it. Parts of a 7 m class machine and its backup, in nine groups."
- Added main-beam-tbm-cutterhead × 1
- Added main-beam-tbm-main-drive × 1
- Added main-beam-tbm-gripper-thrust × 1
- Added main-beam-tbm-ground-support × 1
- Added main-beam-tbm-muck-handling × 1
- Added main-beam-tbm-hydraulics × 1
- Added main-beam-tbm-electrical × 1
- Added main-beam-tbm-control × 1
- Added main-beam-tbm-backup × 1