volute spring

The core-pulling was achieved by applying the deformation of helical spring steel sheet during the ejecting process.

介绍了一种实用的内侧槽抽芯机构,可利用螺旋形弹簧钢板的顶出变形实现内侧抽芯,并阐述了抽芯机构的工作过程和关键技术。