Flat Metal Spring
Description: Flat metal spring, Steel spring flat.
Technical information:
1. Material: Spring steel.
2. Surface treatment: Zinc Plating
3. Process: Progressive Stamping --- Heat treatment --- Zinc plating
Engineering difficulty:
1. Shape is complex, made progressively in one stamping machine.
2. Number code are made by stamping too.
3. No deformation after the wings are flipped over 150 times when standing 120KG weight.
Remarks:
1. Tooling time: 14 working days
2. Production time: 12 working days
3. Usage: Switches / Air freshener / battery charger
