Thrust Cylinder
AssemblyA double-acting hydraulic cylinder between the gripper carrier and the cutterhead support. Extending, the thrust cylinders push the cutterhead into the rock through one boring stroke; retracting, they pull the gripper carrier forward for the next. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Thrust Cylinder
5 top-level lines as of r193968| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Thrust Cylinder Barrel | main-beam-tbm-cylinder-barrel | 1× | 1 | · | part |
| 2 | Thrust Cylinder Piston and Rod | main-beam-tbm-piston-rod | 1× | 1 | · | part |
| 3 | Cylinder Seal Kit | main-beam-tbm-cylinder-seal-kit | 1× | 1 | · | part |
| 4 | Cylinder Stroke Sensor | main-beam-tbm-stroke-sensor | 1× | 1 | · | part |
| 5 | Spherical Plain Bearing | main-beam-tbm-spherical-bearing | 2× | 2 | · | part |