Main Drive

Assembly

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The motor, flywheel and crank mechanism that reciprocates the needle beam several hundred to over two thousand strokes per minute, balanced so the heavy beam does not shake the machine.

Direct parts	7
Total parts	38
Used in	1 assembly
Class	Assembly

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The motor, flywheel and crank mechanism that reciprocates the needle beam several hundred to over two thousand strokes per minute, balanced so the heavy beam does not shake the machine. 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

7 top-level parts · 38 parts in total · full bill of materials below

Main Drive parts diagram: 1 servo motor, 2 eccentric crankshaft, 3 balance flywheel, 4 drive belt, 5 counterweight, 6 ball bearing, 7 encoder. 38 parts in 7 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.

#	Part	Qty	What it does
1	Servo Motor 4 parts	1×	Main drive motor
2	Eccentric Crankshaft	1×	Eccentric crankshaft
3	Balance Flywheel	2×	Balance flywheels
4	Drive Belt	2×	Drive belts
5	Counterweight	2×	Counterweights
6	Ball Bearing	6×	Crank bearings
7	Encoder	1×	Stroke position encoder

3D model

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Build & assembly graph

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Bill of materials for Main Drive

7 top-level lines · 18 rows shown · 38 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Servo Motor 4 parts	servo-motor	1×	1	24	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	Encoder	encoder	1×	1	·	part
1.4	Motor Housing	motor-housing	1×	1	·	part
2	Eccentric Crankshaft	nonwoven-needle-loom-crankshaft	1×	1	·	part
3	Balance Flywheel	nonwoven-needle-loom-flywheel	2×	2	·	part
4	Drive Belt	drive-belt	2×	2	·	part
5	Counterweight	nonwoven-needle-loom-counterweight	2×	2	·	part
6	Ball Bearing	ball-bearing	6×	6	·	part
7	Encoder	encoder	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

Textiles & Apparel Machinery 1 Nonwoven Needle Loom

Used in 1 assembly

Nonwoven Needle Loom

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