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Main Drive

Assembly

Drive train turning the work rolls: motor, pinion stand, spindles. 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 · 55 parts in total · full bill of materials below
Main Drive parts diagram: 1 main drive motor, 2 pinion stand, 3 universal spindle, 4 gear coupling, 5 flywheel. 55 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 Main Drive Motor 6 parts 1× Large variable-speed mill motor, ~8 MW.
2 Pinion Stand 4 parts 1× Gear distributor splitting motor torque to the two spindles.
3 Universal Spindle 3 parts 2× One per work roll
4 Gear Coupling 2× Flexible toothed coupling between motor, pinion stand and spindles.
5 Flywheel 1× Inertia mass that smooths torque peaks during bite.

3D model

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Build & assembly graph

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Bill of materials for Main Drive

5 top-level lines · 25 rows shown · 55 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Main Drive Motor 6 parts hot-rolling-mill-main-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 Copper Winding copper-winding 1× 1 · part
1.4 Motor Housing motor-housing 1× 1 · part
1.5 Ball Bearing ball-bearing 2× 2 · part
1.6 Position Encoder hot-rolling-mill-position-encoder 1× 1 · part
2 Pinion Stand 4 parts hot-rolling-mill-pinion-stand 1× 1 15 assembly
2.1 Gearbox Housing gearbox-housing 1× 1 · part
2.2 Helical Gear Pair gear-pair 2× 2 · part
2.3 Ball Bearing ball-bearing 8× 8 · part
2.4 Oil Seal oil-seal 4× 4 · part
3 Universal Spindle 3 parts hot-rolling-mill-spindle 2× 2 5 assembly
3.1 Spindle Shaft hot-rolling-mill-spindle-shaft 1× 2 · part
3.2 Spindle Universal Joint hot-rolling-mill-spindle-joint 2× 4 · part
3.3 Oil Seal oil-seal 2× 4 · part
4 Gear Coupling hot-rolling-mill-coupling 2× 2 · part
5 Flywheel hot-rolling-mill-flywheel 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

Hot Rolling Mill

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 (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