Bonnell Spring Coiling Machine

YHJ High Speed Bonnell Spring Coiling Machine manufactures mattress springs through automated production. Completes wire coiling, end knotting, heat treatment, and delivery in one continuous cycle. Produces 90-95 springs per minute using servo motor drive with PLC control system coordination.
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Bonnell Spring Assembling Machine

Bonnell Spring Assembly Machine (CWJ) automatically connects individual spring units with helical wires forming complete assemblies. 17-20 customizable jaws, 2-meter bed width, single-operator design. Features servo motor technology, automatic wire feeding, precision cutting, continuous ejection.
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GENMAX manufactures mattress spring machines that cover the two core steps of innerspring production: coiling steel wire into individual bonnell springs, and assembling those springs into complete spring units with helical wires. Together, the YHJ coiling machine and CWJ assembling machine form a compact bonnell spring production unit that one or two operators can run. For manufacturers producing pocket spring mattresses, GENMAX also supplies complete pocket spring production lines. All machines are built in our factory and shipped factory-direct worldwide, with installation guidance, operator training and after-sales support included.