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Automatic Block Bottom Paper Bag Machine


The SBU290 model automatic block bottom paper bag machine is designed for manufacturing medium to large-sized block paper bag with width ranging from 120mm to 290mm.

In order to provide user with remarkable efficiency, Unipak's block bottom paper bag machine is equipped with Italy Re tension system, Germany BST web guiding system, USA Valco gluing system, and USA LINCON lubricating system, etc.

Standard features of the paper bag making machine include servo technology and these machines are also ready for additional units in terms of electrical control. Servo film patching unit, servo window die cutting unit, and servo two layer unit can be introduced to this roll-fed equipment to meet the needs for customers producing window bags, two piles bags, etc.


Model SBU290
Material width 395 to 910mm
Cut-off length 280 to 530mm
Bag width 120 to 290mm
Bottom width 70 to 150mm
Paper basis weight 50 to 150GSM
Max. roll diameter <=1200mm
Roll inner diameter Φ76mm
Max. production capacity 220pcs/min
Total power 15kW
Machine weight About 9000kg
Machine dimension 9600mm × 2800mm × 1800

Bag Production
Optionales Zubehor
Servo window die cutter unit
Servo film patching unit
Servo two layer unit