BOMwiki the bill-of-materials encyclopedia 27,966,275 parts mapped · 127,489 items

Mast & Rotary Head Assembly

Lattice tower raised hydraulically to vertical (or angle) that guides the rotary head as it drives the drill string with up to 25,000 Nm of torque. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Build & assembly graph

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Bill of materials

6 top-level lines · 13 rows shown · 19 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Mast Structure rotary-blasthole-drill-mast-structure 1 part
2 Rotary Head 7 parts rotary-blasthole-drill-rotary-head 1 13 assembly
2.1 Head Drive Motor rotary-blasthole-drill-head-motor 2 part
2.2 Gearbox Housing gearbox-housing 1 part
2.3 Helical Gear Pair gear-pair 2 part
2.4 Air Swivel rotary-blasthole-drill-air-swivel 1 part
2.5 Head Spindle rotary-blasthole-drill-spindle 1 part
2.6 Ball Bearing ball-bearing 4 part
2.7 Oil Seal oil-seal 2 part
3 Mast Raise Cylinder rotary-blasthole-drill-mast-raise-cylinder 2 part
4 Pipe Carousel rotary-blasthole-drill-pipe-carousel 1 part
5 Breakout Wrench rotary-blasthole-drill-breakout-wrench 1 part
6 Deck Bushing rotary-blasthole-drill-deck-bushing 1 part

Used in 1 assembly

Sourcing — likely vendors

Companies that make this · indicative price $0.50–$200 · MOQ & lead are typical
VendorHQSpecialtyMOQLead time
🇮🇳Bharat Forge
bharatforge.com ↗
Pune, IN Forgings & metal parts 500 pcs 6–10 wks
dicastal.com ↗ Qinhuangdao, CN Aluminium castings & wheels 500 pcs 6–10 wks
tataautocomp.com ↗ Pune, IN Auto components 500 pcs 6–10 wks
🇸🇬Beyonics
beyonics.com ↗
Singapore Precision metal & mfg 500 pcs 6–10 wks
sundaram-clayton.com ↗ Chennai, IN Die castings 500 pcs 6–10 wks