Punching Mechanism
AssemblyPunches a row of rectangular holes through the paper edge. A motor-driven cam pushes a die block carrying the punch pins down; return springs lift it back. Selected pins can be disengaged to suit shorter sheets. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Punching Mechanism
10 top-level lines as of r14315| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Die Block | binding-machine-die-block | 1× | 1 | · | part |
| 2 | Punch Pin | binding-machine-punch-pin | 21× | 21 | · | part |
| 3 | Disengageable Pin | binding-machine-pin-disengage | 4× | 4 | · | part |
| 4 | Punch Cam | binding-machine-punch-cam | 1× | 1 | · | part |
| 5 | Punch Motor 4 parts | binding-machine-punch-motor | 1× | 1 | 0 | assembly |
| 6 | Punch Lever | binding-machine-punch-lever | 1× | 1 | · | part |
| 7 | Punch Linkage | binding-machine-punch-linkage | 1× | 1 | · | part |
| 8 | Coil Spring | coil-spring | 4× | 4 | · | part |
| 9 | Ball Bearing | ball-bearing | 2× | 2 | · | part |
| 10 | Fastener Set | fastener-set | 2× | 2 | · | part |