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EFC-90 Full Automatic Transfer Line for Inner Spring Units

EFC-90 is the latest developed automatic bonnell inner spring units production plant by ESUN. It includes ECL-80A digital spring coiling machine, EAM-300 assemble machine and EFC-90 transfer machine. Steel wire will be produced to spring by ECL-80A spring coiling machine then spring will be sent to EAM-300 assemble machine by EFC-90 transfer machine, finally spring will be produced to spring unit by EAM-300 assemble machine. EFC-90 automatic bonnell inner spring units production plant adopts digital and modular design. You can choose ECL-80A digital spring coiling machine and EAM-300 assemble machine, this traditional semi-automatic production plant to produce small quantity spring unit and various of specification spring unit. Also if require high efficiency production, like to produce large quantity of spring units with one specification, you can add one EFC-90 transfer machine later with ECL-80A and EAM-300 to be full automatic bonnell inner spring unit production plant. EFC-90 can process up to 12 spring units / hour (spring unit size: 1.5 m X 2m)

EFC-90 transfer adopts developed digital servo system ,can locate precisely and send spring to assemble machine received springs from coiling machine. The whole process can achieve full automatic and high efficiency production.

Technical data at a glance



Output (unit/hour) (spring unit size: 1.5 m X 2m)


Coil type


Coil outside diameter(mm)

67- 90 (can be customized)

Steel wire diameter(mm)

1.9 - 2.4 (can be customized)

Spring height(mm)( < 80mm needs to be customized)

100 -180

Spring coils(Turn)


Helical wire diameter(mm)


Max spring unit width(mm)


Control system

servo system

Max weight of wire on feeder(kgs)(Can be customized)


Total Power(kw)


The reason why choose us

1:One-stop service: In addition to products, ESUN provides complete solutions from pre-sale consulting to after-sale service.
2:Product sourcing: Cooperating with 100 suppliers, our 5 plants can manufacture 108 types of machines and 28 types of accessories.
3:Strong quality control system: Raw material control/process control/component quality control/finished product quality inspection/mass production spot check/inspection company check
4:Global business: With 20years of experience, our products are sold to 100 countries and regions and highly recognized by customers.
5:Patent owner: To after clients high performance solutions, we keep investing on new products development and acquired 16 patents.

Looking for partners

We are always interested to hear from potential partners and we are keen to develop our business in the world. We are especially eager to hear from interested partners with experience and a network in the mattress machinery and accessory.

Other related category: Mattress Spring Machine , Mattress Sewing Machine , Mattress Accessory Machine , Mattress Packing Machine

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