Bonnell Spring Assembly Machine

The UMIT MAKINA BD Series—BD-30, BD-40, and BD-50—are advanced Bonnell Spring Assembly Machines designed to form the core support structure of mattresses with precision and reliability. These machines efficiently assemble Bonnell coil springs using an electronic system that supports both manual and automatic operation, making them ideal for high-performance mattress production lines.

Each model is engineered for different wire diameters and spring sizes, enabling flexibility across various mattress styles. The helical cut and clench system, coupled with easy setup and low maintenance, makes the BD Series a top choice for manufacturers looking for durable, high-speed, and cost-effective spring assembly solutions.