Wheelhead and Quill
AssemblyHigh-speed spindle, often air-bearing or electric-motor, turning a small mounted wheel at 30,000–150,000 rpm at the end of a slender quill reaching into the bore. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Wheelhead and Quill
7 top-level lines as of r90930| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Spindle Cartridge | internal-grinder-spindle-cartridge | 1× | 1 | · | part |
| 2 | Air-Bearing Sleeve | internal-grinder-air-bearing | 1× | 1 | · | part |
| 3 | Spindle Motor | internal-grinder-spindle-motor | 1× | 1 | · | part |
| 4 | Wheel Quill | internal-grinder-quill | 1× | 1 | · | part |
| 5 | Quill Collet | internal-grinder-quill-collet | 1× | 1 | · | part |
| 6 | Bearing Air Supply | internal-grinder-spindle-air-supply | 1× | 1 | · | part |
| 7 | Ball Bearing | ball-bearing | 2× | 2 | · | part |