The bonnell spring coiling machine is designed for high-speed production of durable Bonnell springs used in mattresses and sofas. It integrates coiling, knotting, heat treatment, and spring output into one continuous process. With servo control, frequency-regulated speed, and a user-friendly touchscreen interface, the machine ensures consistent spring quality, stable operation, and efficient output of up to 90–100 springs per minute.
The Bonnell Spring Coiling Machine is specifically designed for the efficient production of Bonnell springs used in mattresses and sofas. It completes the entire spring manufacturing process—coiling, knotting, heat treatment, and spring output—in one fully integrated cycle. This machine focuses solely on spring formation; to assemble a complete Bonnell Spring Unit, a separate Bonnell Spring Assembly Machine is required.
Built for high-volume manufacturing, the machine delivers an output of 90 to 100 springs per minute, supporting fast-paced production environments. It operates with a servo-driven system and a worm and gear decelerator, with the production speed precisely regulated by a frequency converter. The machine features a robust and well-optimized structure, ensuring smooth operation and simplified adjustments during production.
An intuitive touchscreen interface allows operators to manage essential parameters, including the lubrication system, which is fully automated and computer-controlled for consistent performance and reduced maintenance. The machine’s configuration supports stable operation over extended periods, with high-precision components contributing to superior spring shape and knot integrity.
With only minimal compressed air required for auxiliary actions—such as opening the heat treatment fixture—this coiling system maintains dependable mechanical performance and a compact footprint. Its modern design ensures ease of use, efficient fault detection, and consistent spring quality, making it a reliable choice for manufacturers focused on durability, productivity, and operational simplicity.
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Technical Specification |
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Model |
JK-BS-100 |
Spring Type |
Bonnell Spring |
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Production Capacity |
90 – 100 springs per minute |
Machine Operation Mode |
Fully automatic |
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Control System |
Touchscreen + PLC (multilingual interface available) |
Spring Diameter (Caliber) |
Ø65 – Ø95 mm (±3 mm tolerance per specification) |
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Wire Diameter |
Ø1.9 – Ø2.4 mm |
Spring Height Range |
80–200 mm / 130–230 mm (dual configuration optional) |
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Number of Coils per Spring |
4 – 7 turns |
Motor Power |
5.5Kw |
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Heat Treatment Power |
20 KW |
CE Certificate |
Yes |
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Material Rack Load Capacity |
Up to 1000 kg |
Main Machine Dimensions (L × W × H) |
1700 × 1900 × 2200 mm |
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Material Rack Dimensions (L × W × H) |
1220 × 1220 × 1800 mm |
Overall Dimensions (L × W × H) |
2920 × 1900 × 2200 mm |
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Total Weight |
2500 KG |
Voltage |
3-Phase, 380V, 50Hz (Customizable) |
KIMKOO offer multiple types of pocket spring assembly machines — some can connect with 2 coilers, and others up to 3. Freely combine with pocket spring coiling machines of different speeds. Easily set up a 1-to-1, 1-to-2, or 1-to-3 production line to match your capacity. Customize your setup today!
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