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Discussion History

Hook and Looper Assembly

Assembly

Bank of rotary hooks and bobbins forming the lockstitch beneath the fabric. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Hook and Looper Assembly parts and their functions

8 top-level parts · 212 parts in total · full bill of materials below
Hook and Looper Assembly parts diagram: 1 rotary hook, 2 bobbin case, 3 bobbin, 4 hook shaft, 5 hook timing belt, 6 ball bearing, 7 oil seal, 8 helical gear pair. 212 parts in 8 top-level items.
Hook and Looper Assembly parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Rotary Hook 64× Rotary hook catching the needle thread loop
2 Bobbin Case 64× Case holding the bobbin and tension spring
3 Bobbin 64× Wound lower thread bobbin
4 Hook Shaft 1× Common lower shaft driving all rotary hooks
5 Hook Timing Belt 1× Toothed belt synchronising hook shaft to head drive
6 Ball Bearing 8× Bearings supporting the hook shaft
7 Oil Seal 8× Seals retaining oil at the hook shaft bearings
8 Helical Gear Pair 2× Bevel gears turning the hook drive at the ends

3D model

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Build & assembly graph

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Bill of materials for Hook and Looper Assembly

8 top-level lines · 8 rows shown · 212 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Rotary Hook quilting-machine-industrial-rotary-hook 64× 64 · part
2 Bobbin Case quilting-machine-industrial-bobbin-case 64× 64 · part
3 Bobbin quilting-machine-industrial-bobbin 64× 64 · part
4 Hook Shaft quilting-machine-industrial-hook-shaft 1× 1 · part
5 Hook Timing Belt quilting-machine-industrial-hook-timing-belt 1× 1 · part
6 Ball Bearing ball-bearing 8× 8 · part
7 Oil Seal oil-seal 8× 8 · part
8 Helical Gear Pair gear-pair 2× 2 · part

Where the hook and looper assembly is used

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

Used in 1 assembly

Industrial Quilting 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–$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