Drag Arm
AssemblyThe articulated suction pipe lowered over the ship side to trail along the seabed, ending in a draghead whose teeth and jets break up the soil ahead of the suction mouth. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Drag Arm parts and their functions
7 top-level parts · 155 parts in total · full bill of materials below| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Suction Pipe | 1× | Articulated suction pipe sections |
| 2 | Draghead 4 parts | 1× | Trailing draghead with visor |
| 3 | Jet Nozzle | 24× | High-pressure water jets in the draghead |
| 4 | Arm Gantry 4 parts | 1× | Arm handling gantry and winches |
| 5 | Swell Compensator | 1× | Heave swell compensator |
| 6 | Arm Joint | 4× | Ball and trunnion arm joints |
| 7 | Oil Seal | 8× | Joint and gantry seals |
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 Drag Arm
7 top-level lines · 19 rows shown · 155 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Suction Pipe | dredger-ship-suction-pipe | 1× | 1 | · | part |
| 2 | Draghead 4 parts | dredger-ship-draghead | 1× | 1 | 34 | assembly |
| 2.1 | Drag Teeth | dredger-ship-drag-teeth | 20× | 20 | · | part |
| 2.2 | Draghead Visor | dredger-ship-visor | 1× | 1 | · | part |
| 2.3 | Jet Nozzle | dredger-ship-jet-nozzle | 12× | 12 | · | part |
| 2.4 | Draghead Grid | dredger-ship-grid | 1× | 1 | · | part |
| 3 | Jet Nozzle | dredger-ship-jet-nozzle | 24× | 24 | · | part |
| 4 | Arm Gantry 4 parts | dredger-ship-arm-gantry | 1× | 1 | 83 | assembly |
| 4.1 | Servo Motor 4 parts | servo-motor | 3× | 3 | 24 | assembly |
| 4.1.1 | Stator Assembly 3 parts + deeper › | stator-assembly | 1× | 3 | 3 | assembly |
| 4.1.2 | Rotor Assembly 4 parts + deeper › | rotor-assembly | 1× | 3 | 19 | assembly |
| 4.1.3 | Encoder | encoder | 1× | 3 | · | part |
| 4.1.4 | Motor Housing | motor-housing | 1× | 3 | · | part |
| 4.2 | Helical Gear Pair | gear-pair | 3× | 3 | · | part |
| 4.3 | Ball Bearing | ball-bearing | 6× | 6 | · | part |
| 4.4 | Gantry Wire Rope | dredger-ship-wire-rope | 2× | 2 | · | part |
| 5 | Swell Compensator | dredger-ship-swell-compensator | 1× | 1 | · | part |
| 6 | Arm Joint | dredger-ship-arm-joint | 4× | 4 | · | part |
| 7 | Oil Seal | oil-seal | 8× | 8 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the drag arm is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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| Vendor | HQ | Specialty | MOQ | Lead 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.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |