Rotation Head

Assembly

No photo yet. Seen one of these? Suggest a photo.

The hydraulic-motor gearhead and chuck that turn the drill string and grip the rods.

Direct parts	8
Total parts	14
Used in	1 assembly
Class	Assembly

Report a problem with this BOM

The hydraulic-motor gearhead and chuck that turn the drill string and grip the rods. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Rotation Head parts and their functions

8 top-level parts · 14 parts in total · full bill of materials below

Rotation Head parts diagram: 1 head hydraulic motor, 2 gearbox housing, 3 helical gear pair, 4 drill chuck, 5 drive spindle, 6 water swivel, 7 ball bearing, 8 oil seal. 14 parts in 8 top-level items. — Rotation Head parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.

#	Part	Qty	What it does
1	Head Hydraulic Motor	2×	Head hydraulic motors
2	Gearbox Housing	1×	Head gearbox
3	Helical Gear Pair	2×	Head gears
4	Drill Chuck	1×	Drill chuck
5	Drive Spindle	1×	Drive spindle
6	Water Swivel	1×	Water swivel
7	Ball Bearing	4×	Spindle bearings
8	Oil Seal	2×	Spring-loaded rotary lip seal that keeps lubricant inside a housing and dirt out where a shaft passes through, sized to DIN 3760.

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 Rotation Head

8 top-level lines · 8 rows shown · 14 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Head Hydraulic Motor	diamond-core-drill-rig-head-motor	2×	2	·	part
2	Gearbox Housing	gearbox-housing	1×	1	·	part
3	Helical Gear Pair	gear-pair	2×	2	·	part
4	Drill Chuck	diamond-core-drill-rig-chuck	1×	1	·	part
5	Drive Spindle	diamond-core-drill-rig-spindle	1×	1	·	part
6	Water Swivel	diamond-core-drill-rig-water-swivel	1×	1	·	part
7	Ball Bearing	ball-bearing	4×	4	·	part
8	Oil Seal	oil-seal	2×	2	·	part

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

Where the rotation head is used

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

Mining & Quarrying 1 Diamond Core Drill Rig

Used in 1 assembly

Diamond Core Drill Rig

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 (Singapore) flex.com ↗	Singapore	Electronics contract mfg	1,000 pcs	6–10 wks
🇮🇳Dixon Technologies dixoninfo.com ↗	Noida, IN	Electronics contract mfg	1,000 pcs	6–10 wks
🇨🇳BYD Electronics 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