Needle Bar Drive
AssemblyA full-width main shaft on journal bearings carries eccentrics whose push rods turn rotation into the vertical stroke of the needle bar. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Needle Bar Drive
5 top-level lines as of r177714| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Main Drive Shaft | tufting-machine-shaft | 1× | 1 | · | part |
| 2 | Push Rod | tufting-machine-push-rod | 8× | 8 | · | part |
| 3 | Drive Eccentric | tufting-machine-eccentric | 8× | 8 | · | part |
| 4 | Helical Gear Pair | gear-pair | 2× | 2 | · | part |
| 5 | Ball Bearing | ball-bearing | 16× | 16 | · | part |