Needle Bar and Swing
AssemblyThe needle bar plus the zig-zag mechanism that swings the needle side to side so each stitch lands on alternate edges of the buttonhole. 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 and Swing
9 top-level lines as of r20654| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Needle Bar | buttonhole-sewing-machine-needle-bar | 1× | 1 | · | part |
| 2 | Needle | buttonhole-sewing-machine-needle | 1× | 1 | · | part |
| 3 | Needle Clamp | buttonhole-sewing-machine-needle-clamp | 1× | 1 | · | part |
| 4 | Zig-Zag Swing Cam | buttonhole-sewing-machine-swing-cam | 1× | 1 | · | part |
| 5 | Swing Link | buttonhole-sewing-machine-swing-link | 1× | 1 | · | part |
| 6 | Bite Stepper Motor | buttonhole-sewing-machine-bite-stepper | 1× | 1 | · | part |
| 7 | Take-up Lever | buttonhole-sewing-machine-takeup-lever | 1× | 1 | · | part |
| 8 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 9 | Coil Spring | coil-spring | 1× | 1 | · | part |