Needle Bar Swing Head

Assembly

Aluminium melting crucible casting process.jpg · Commons ↗ Report photo

Lateral oscillating needle bar driven by swing cam, combined with rotating hook mechanism to form lockstitch in left/center/right zigzag paths.

Direct parts	7
Total parts	12
Used in	1 assembly
Class	Assembly

Report a problem with this BOM

Lateral oscillating needle bar driven by swing cam, combined with rotating hook mechanism to form lockstitch in left/center/right zigzag paths. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Needle Bar Swing Head parts and their functions

7 top-level parts · 12 parts in total · full bill of materials below

Needle Bar Swing Head parts diagram: 1 swing needle bar, 2 rotating hook, 3 swing cam, 4 hook drive cam, 5 ball bearing, 6 needle guide rail, 7 fastener set. 12 parts in 7 top-level items. — Needle Bar Swing Head 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	Swing Needle Bar	1×	Horizontally oscillating needle clamp assembly
2	Rotating Hook	1×	Rotating hook shuttle interceding needle thread
3	Swing Cam	1×	Profile driving needle bar left and right
4	Hook Drive Cam	1×	Lobed cam for hook rotation timing
5	Ball Bearing	5×	Needle bar guide and hook shaft support
6	Needle Guide Rail	2×	Linear guides constraining needle bar motion
7	Fastener Set	1×	Head assembly mounting bolts

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 Needle Bar Swing Head

7 top-level lines · 7 rows shown · 12 parts total · indented to 3 levels

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Swing Needle Bar	zigzag-sewing-machine-needle-bar	1×	1	·	part
2	Rotating Hook	zigzag-sewing-machine-hook	1×	1	·	part
3	Swing Cam	zigzag-sewing-machine-swing-cam	1×	1	·	part
4	Hook Drive Cam	zigzag-sewing-machine-hook-cam	1×	1	·	part
5	Ball Bearing	ball-bearing	5×	5	·	part
6	Needle Guide Rail	zigzag-sewing-machine-guide-rail	2×	2	·	part
7	Fastener Set	fastener-set	1×	1	·	part

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

Where the needle bar swing head is used

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

Textiles & Apparel Machinery 1 Industrial Zigzag Machine

Used in 1 assembly

Industrial Zigzag Machine

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–$200. How estimates work

Vendor	HQ	Specialty	MOQ	Lead time
🇮🇳Bharat Forge bharatforge.com ↗	Pune, IN	Forgings & metal parts	500 pcs	6–10 wks
🇨🇳CITIC Dicastal dicastal.com ↗	Qinhuangdao, CN	Aluminium castings & wheels	500 pcs	6–10 wks
🇮🇳Tata AutoComp 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 sundaram-clayton.com ↗	Chennai, IN	Die castings	500 pcs	6–10 wks