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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Bonnell Spring Turns |
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 is a professional brand specializing in the development and manufacturing of mattress machinery. We focus on delivering high-efficiency, intelligent automation solutions for the mattress industry. Our product range covers pocket spring machines, mattress packaging machines, tape edge machines, sofa, foam & mattress compression packing machines, mattress sealing machines, pillow packaging machines, bonnell spring machines, and foam cutting machines — all designed for high performance, long-term reliability, and maximum production value.
When you plan to ship goods from our factory to your location, there are a few important aspects to consider in terms of transport options, delivery times, costs, and payment methods. Here is an overview of the shipping process:
Our nearest export port is Shenzhen Port. Depending on the destination port, the shipping duration can vary. You can inquire with your freight forwarder to determine the exact transit time and costs from Shenzhen to your port. For general reference, shipping by sea typically takes anywhere from 10 to 45 days, depending on the distance, shipping line, and specific routes. We also have established partnerships with reliable freight forwarders, but you're welcome to work with your own agent if you have preferred contacts.
Sea freight is the primary shipping method we use because it is the most cost-effective and reliable option for transporting large or bulk machinery. No matter which country you are in, sea freight can usually reach a nearby port—even if the local sea transport infrastructure is limited or less efficient.
Once the shipment arrives at your destination port, the shipping line will notify you to pick it up. You can simply ask your local forwarder or customs broker to handle the port clearance and truck the machinery back to your factory.
For customers within China, we typically ship machinery by land freight, including heavy trucks, semi-trailers, or railway transport.
For overseas customers, land freight is only possible if your country is physically connected to mainland China. While trucks and semi-trailers can generally transport machinery only up to the border, the key factor for cross-border delivery is whether a railway route exists to your country, or at least to a nearby transfer point where the cargo can then continue by truck into your region.
Air freight is generally not suitable for our machinery because the equipment is too large to fit into standard cargo planes. Even if the size allows, the shipping cost would be extremely high and impractical.
Instead, we use air freight mainly for shipping documents (such as B/L copies, invoices, packing lists) or for sending small spare parts, accessories, or consumables that customers may need urgently.
We offer several flexible payment methods to suit your business needs:
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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