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Main Drive

Assembly

Vertical planetary gearbox driven by a large induction motor, turning the bowl at 20 to 40 rpm. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Main Drive parts and their functions

5 top-level parts · 41 parts in total · full bill of materials below
Main Drive parts diagram: 1 drive motor, 2 planetary gearbox, 3 bowl thrust bearing, 4 drive coupling, 5 drive base frame. 41 parts in 5 top-level items.
Main Drive parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Drive Motor 6 parts 1× Squirrel-cage induction motor, 200 to 700 kW
2 Planetary Gearbox 7 parts 1× Two-stage bevel-planetary reduction gearbox
3 Bowl Thrust Bearing 1× Tilting-pad thrust bearing carrying bowl load
4 Drive Coupling 1× Flexible coupling between motor and gearbox
5 Drive Base Frame 1× Fabricated drive base frame

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
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Bill of materials for Main Drive

5 top-level lines · 25 rows shown · 41 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Drive Motor 6 parts coal-pulverizer-mill-drive-motor 1× 1 27 assembly
1.1 Stator Assembly 3 parts stator-assembly 1× 1 3 assembly
1.1.1 Stator Core (laminations) stator-core 1× 1 · part
1.1.2 Copper Winding copper-winding 1× 1 · part
1.1.3 Slot Insulation stator-insulation 1× 1 · part
1.2 Rotor Assembly 4 parts rotor-assembly 1× 1 19 assembly
1.2.1 Rotor Shaft rotor-shaft 1× 1 · part
1.2.2 Rotor Core rotor-core 1× 1 · part
1.2.3 Neodymium Magnet neodymium-magnet 16× 16 · part
1.2.4 Ball Bearing ball-bearing 1× 1 · part
1.3 Motor Frame coal-pulverizer-mill-motor-frame 1× 1 · part
1.4 Ball Bearing ball-bearing 2× 2 · part
1.5 Motor Cooling Fan coal-pulverizer-mill-motor-fan 1× 1 · part
1.6 Motor Terminal Box coal-pulverizer-mill-terminal-box 1× 1 · part
2 Planetary Gearbox 7 parts coal-pulverizer-mill-gearbox 1× 1 11 assembly
2.1 Bevel Gear Set coal-pulverizer-mill-bevel-set 1× 1 · part
2.2 Helical Gear Pair gear-pair 1× 1 · part
2.3 Bowl Shaft coal-pulverizer-mill-bowl-shaft 1× 1 · part
2.4 Gearbox Housing gearbox-housing 1× 1 · part
2.5 Ball Bearing ball-bearing 4× 4 · part
2.6 Oil Seal oil-seal 2× 2 · part
2.7 Gear Oil Charge coal-pulverizer-mill-gear-oil 1× 1 · part
3 Bowl Thrust Bearing coal-pulverizer-mill-thrust-bearing 1× 1 · part
4 Drive Coupling coal-pulverizer-mill-coupling 1× 1 · part
5 Drive Base Frame coal-pulverizer-mill-base-frame 1× 1 · part

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Where the main drive 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