Double Uncoiler

Assembly

No photo yet. Seen one of these? Suggest a photo.

Two expanding-mandrel reels on a turret so a fresh coil is threaded while the other still runs.

Direct parts	6
Total parts	59
Used in	1 assembly
Class	Assembly

Report a problem with this BOM

Two expanding-mandrel reels on a turret so a fresh coil is threaded while the other still runs. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Double Uncoiler parts and their functions

6 top-level parts · 59 parts in total · full bill of materials below

Double Uncoiler parts diagram: 1 expanding mandrel, 2 mandrel expansion cylinder, 3 uncoiler gearbox, 4 servo motor, 5 coil loading car, 6 ball bearing. 59 parts in 6 top-level items. — Double Uncoiler 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	Expanding Mandrel	2×	Segmented expanding mandrel
2	Mandrel Expansion Cylinder	2×	Hydraulic mandrel expansion cylinder
3	Uncoiler Gearbox	2×	Reduction drive to the mandrel
4	Servo Motor 4 parts	2×	Back-tension reel drive
5	Coil Loading Car	1×	Loading car lifting the coil to the mandrel
6	Ball Bearing	4×	Mandrel support bearings

3D model

No 3D model yet. Have a CAD file of this? Add a 3D model. STL renders right on this page; STEP, FreeCAD, and OpenSCAD sources are welcome too (openly licensed, like all 3D models on BOMwiki).

Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour

product / assembly shared across products atomic part related product

Tap an assembly to expand/collapse · tap a part to open it · use “Open page” for any node · drag to pan, scroll to zoom.

Bill of materials for Double Uncoiler

6 top-level lines · 17 rows shown · 59 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Expanding Mandrel	coil-coating-line-uncoiler-mandrel	2×	2	·	part
2	Mandrel Expansion Cylinder	coil-coating-line-mandrel-cylinder	2×	2	·	part
3	Uncoiler Gearbox	coil-coating-line-uncoiler-gearbox	2×	2	·	part
4	Servo Motor 4 parts	servo-motor	2×	2	24	assembly
4.1	Stator Assembly 3 parts	stator-assembly	1×	2	3	assembly
4.1.1	Stator Core (laminations)	stator-core	1×	2	·	part
4.1.2	Copper Winding	copper-winding	1×	2	·	part
4.1.3	Slot Insulation	stator-insulation	1×	2	·	part
4.2	Rotor Assembly 4 parts	rotor-assembly	1×	2	19	assembly
4.2.1	Rotor Shaft	rotor-shaft	1×	2	·	part
4.2.2	Rotor Core	rotor-core	1×	2	·	part
4.2.3	Neodymium Magnet	neodymium-magnet	16×	32	·	part
4.2.4	Ball Bearing	ball-bearing	1×	2	·	part
4.3	Encoder	encoder	1×	2	·	part
4.4	Motor Housing	motor-housing	1×	2	·	part
5	Coil Loading Car	coil-coating-line-coil-car	1×	1	·	part
6	Ball Bearing	ball-bearing	4×	4	·	part

Something wrong in this list? Report a problem with this BOM.

Where the double uncoiler is used

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

Machinery & Industrial 1 Coil Coating Line

Used in 1 assembly

Entry Section

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