Automatic Bonnell Spring Coiling & Assembly Machine

The Automatic Bonnell Spring Coiling & Assembly Machine is a fully automated production line designed for manufacturing double-cone Bonnell spring units used in mattresses, sofas, and furniture. From raw wire feeding to complete spring-unit formation, every step—including coiling, knotting, heat treatment, row alignment, and unit assembly—is integrated into a seamless workflow without any manual spring handling.

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