Screw Drive System Assembly
A motor-driven lead screw running the height of the mast lifts the platform carriage through a drive nut, with a trailing safety nut that carries the load if the drive nut fails. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
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Bill of materials
6 top-level lines · 17 rows shown · 30 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Drive Motor 4 parts | wheelchair-platform-lift-motor | 1× | 1 | 25 | assembly |
| 1.1 | Stator Assembly 3 parts | stator-assembly | 1× | 1 | 3 | assembly |
| 1.1.1 | Stator Core (laminations) | stator-core | 1× | 1 | — | part |
| 1.1.2 | Copper Winding | copper-winding | 1× | 1 | — | part |
| 1.1.3 | Slot Insulation | stator-insulation | 1× | 1 | — | part |
| 1.2 | Rotor Assembly 4 parts | rotor-assembly | 1× | 1 | 19 | assembly |
| 1.2.1 | Rotor Shaft | rotor-shaft | 1× | 1 | — | part |
| 1.2.2 | Rotor Core | rotor-core | 1× | 1 | — | part |
| 1.2.3 | Neodymium Magnet | neodymium-magnet | 16× | 16 | — | part |
| 1.2.4 | Ball Bearing | ball-bearing | 1× | 1 | — | part |
| 1.3 | Motor Housing | motor-housing | 1× | 1 | — | part |
| 1.4 | Ball Bearing | ball-bearing | 2× | 2 | — | part |
| 2 | Ball Screw | ball-screw | 1× | 1 | — | part |
| 3 | Drive Nut | wheelchair-platform-lift-drive-nut | 1× | 1 | — | part |
| 4 | Safety Nut | wheelchair-platform-lift-safety-nut | 1× | 1 | — | part |
| 5 | Drive Belt | drive-belt | 1× | 1 | — | part |
| 6 | Motor Brake | wheelchair-platform-lift-brake | 1× | 1 | — | part |
Used in 1 assembly
Sourcing — likely vendors
Companies that make this · indicative price $0.01–$2 · MOQ & lead are typical| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| sundram.com ↗ | Chennai, IN | Fasteners | 10,000 pcs | 3–5 wks |
| lpsindia.com ↗ | Rohtak, IN | Fasteners | 10,000 pcs | 3–5 wks |
| escort-fastener.com ↗ | Suzhou, CN | Fasteners | 10,000 pcs | 3–5 wks |
| tbfastener.com ↗ | Shanghai, CN | Fasteners | 10,000 pcs | 3–5 wks |
| sterlingtools.in ↗ | Faridabad, IN | Fasteners | 10,000 pcs | 3–5 wks |