Spring Mechanism
AssemblyCompressed spring energy storage and triggered release delivering consistent needle velocity (8–12 m/s) independent of operator force. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Spring Mechanism parts and their functions
4 top-level parts · 4 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Coil Spring | 1× | Main drive spring, 40 N/mm rate, 20 mm compressed length |
| 2 | Spring Guide Tube | 1× | Hardened steel tube containing spring |
| 3 | Trigger Lever | 1× | Mechanical latch release |
| 4 | Catch Ball | 1× | Bearing ball preventing unintended release |
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 Spring Mechanism
4 top-level lines · 4 rows shown · 4 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Coil Spring | coil-spring | 1× | 1 | · | part |
| 2 | Spring Guide Tube | ear-piercing-system-spring-guide-tube | 1× | 1 | · | part |
| 3 | Trigger Lever | ear-piercing-system-trigger-lever | 1× | 1 | · | part |
| 4 | Catch Ball | ear-piercing-system-catch-ball | 1× | 1 | · | part |
Something wrong in this list? Report a problem with this BOM.
Where the spring mechanism is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed in 1 assembly
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 $0.10–$20. How estimates work| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
| gabrielindia.com ↗ | Pune, IN | Shock absorbers & dampers | 2,000 pcs | 5–8 wks |
| jaiparabolic.com ↗ | Yamunanagar, IN | Leaf & parabolic springs | 2,000 pcs | 5–8 wks |
| munjalshowa.net ↗ | Gurugram, IN | Shock absorbers & struts | 2,000 pcs | 5–8 wks |
| sokonindustry.com ↗ | Chongqing, CN | Springs & auto parts | 2,000 pcs | 5–8 wks |
| nrbbearings.com ↗ | Mumbai, IN | Needle & auto bearings | 2,000 pcs | 5–8 wks |