Depth Control and Retraction
AssemblyPrecision depth adjustment and synchronized retraction mechanism ensuring needles penetrate exactly through all mattress layers. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Depth Control and Retraction
4 top-level lines as of r20610| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Penetration Depth Stop Screw | button-tufting-machine-depth-adjuster | 1× | 1 | · | part |
| 2 | Proportional Pneumatic Retract Control | button-tufting-machine-retract-pilot-valve | 1× | 1 | · | part |
| 3 | Needle Penetration Limit Switch | button-tufting-machine-proximity-sensor | 1× | 1 | · | part |
| 4 | Needle Hold-Down Clamp Sleeve | button-tufting-machine-hold-clamp | 1× | 1 | · | part |