BOMwiki the bill-of-materials encyclopedia
30,454,201 parts mapped · 193,225 items
Discussion History

Free-Fall Hoist

Assembly

The winch that lifts the weight and then releases the drum to let it fall freely for full impact energy. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Free-Fall Hoist parts and their functions

6 top-level parts · 13 parts in total · full bill of materials below
Free-Fall Hoist parts diagram: 1 hoist drum, 2 hoist motor, 3 free-fall clutch, 4 drum brake, 5 hoist rope, 6 ball bearing. 13 parts in 6 top-level items.
Free-Fall Hoist parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Hoist Drum 1× Hoist drum
2 Hoist Motor 3 parts 1× Hoist drive motor
3 Free-Fall Clutch 1× Free-fall clutch
4 Drum Brake 1× Drum brake
5 Hoist Rope 1× Hoist rope
6 Ball Bearing 4× Drum bearings

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Free-Fall Hoist

6 top-level lines · 9 rows shown · 13 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Hoist Drum dynamic-compaction-rig-hoist-drum 1× 1 · part
2 Hoist Motor 3 parts dynamic-compaction-rig-hoist-motor 1× 1 5 assembly
2.1 Gearbox Housing gearbox-housing 1× 1 · part
2.2 Helical Gear Pair gear-pair 2× 2 · part
2.3 Ball Bearing ball-bearing 2× 2 · part
3 Free-Fall Clutch dynamic-compaction-rig-freefall-clutch 1× 1 · part
4 Drum Brake dynamic-compaction-rig-hoist-brake 1× 1 · part
5 Hoist Rope dynamic-compaction-rig-hoist-rope 1× 1 · part
6 Ball Bearing ball-bearing 4× 4 · part

Something wrong in this list? Report a problem with this BOM.

Where the free-fall hoist is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks