Chain Pulldown Feed
AssemblyHydraulic-motor-driven dual-chain feed providing crowd force and rapid retract of the rotary head. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Chain Pulldown Feed
4 top-level lines as of r50135| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Feed Hydraulic Motor 2 parts | drilling-rig-truck-feed-motor | 1× | 1 | · | part |
| 2 | Feed Roller Chain | drilling-rig-truck-feed-chain | 2× | 2 | · | part |
| 3 | Feed Sprocket 1 parts | drilling-rig-truck-feed-sprocket | 4× | 4 | · | part |
| 4 | Helical Gear Pair | gear-pair | 1× | 1 | · | part |