These zigzag springs are made piece by piece but not in rolls, the 2 ends are made to a custom design.
First, let’s take a look at how it is made on a CNC bending machine. The video is quite straightforward so you can easily understand the process.
Especificação da peça:
| Material | C70 (aço carbono) |
| diâmetro do fio | 3.0 mm |
| Dimensão (relaxada) | length 80 * width 60 mm |
| Revestimento de superfície | Nenhum |
| tratamento térmico | 230°C, 30 minutos |
As you may notice, the 2 ends are bent to custom design, that is why they need to be bent piece by piece on a CNC machine.
