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Discussion History

Rotary Head

Assembly

The hydraulic-motor head that turns the dual-wall string and seals the sample return path through its center. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Rotary Head parts and their functions

7 top-level parts · 13 parts in total · full bill of materials below
Rotary Head parts diagram: 1 head hydraulic motor, 2 gearbox housing, 3 helical gear pair, 4 hollow spindle, 5 discharge swivel, 6 ball bearing, 7 oil seal. 13 parts in 7 assemblies.
Rotary Head parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Head Hydraulic Motor 2× Head hydraulic motors
2 Gearbox Housing 1× Head gearbox
3 Helical Gear Pair 2× Head gears
4 Hollow Spindle 1× Hollow spindle
5 Discharge Swivel 1× Sample discharge swivel
6 Ball Bearing 4× Spindle bearings
7 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

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Build & assembly graph

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Bill of materials for Rotary Head

7 top-level lines · 7 rows shown · 13 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Head Hydraulic Motor reverse-circulation-drill-head-motor 2× 2 · part
2 Gearbox Housing gearbox-housing 1× 1 · part
3 Helical Gear Pair gear-pair 2× 2 · part
4 Hollow Spindle reverse-circulation-drill-spindle 1× 1 · part
5 Discharge Swivel reverse-circulation-drill-swivel 1× 1 · part
6 Ball Bearing ball-bearing 4× 4 · part
7 Oil Seal oil-seal 2× 2 · part

Where the rotary head is used

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

Used in 1 assembly

Reverse Circulation Drill Rig

Sourcing: possible vendors

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 (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