Thread System
AssemblyTension discs, take-up and check springs metering the single needle thread, plus the trimmer that cuts it and a wiper that pulls the tail clear at cycle end. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Thread System
6 top-level lines as of r20587| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Tension Unit | button-attaching-machine-tension-unit | 1× | 1 | · | part |
| 2 | Take-Up Lever | button-attaching-machine-takeup-lever | 1× | 1 | · | part |
| 3 | Thread Trimmer | button-attaching-machine-trimmer | 1× | 1 | · | part |
| 4 | Thread Wiper | button-attaching-machine-wiper | 1× | 1 | · | part |
| 5 | Thread Stand | button-attaching-machine-thread-stand | 1× | 1 | · | part |
| 6 | Coil Spring | coil-spring | 2× | 2 | · | part |