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RKFD-450B Square bottom paper bag machine

Paper bag machine series is applied to produce many types of paper bags with round handles, such as food paper bag, shopping bags and so on. It is an ideal equipment for producing mid-size and big-size paper bags fast. This machine is side gluing, roll folding, roll paper cutting, bottom folding, bottom gluing, bottom forming, bag out in one line. It is easy to operate, high efficient, stable and effectively save labor costs.The equipped photoelectric detector can correct cutting length, so as to ensure cutting precision. The equipped Yaskawa PLC system ensures that the machine can perform quickly and stably. Special bags collection platform and counting function, improve packing efficiency of paper bags packing. This machine can produce paper bags of varying greatly sizes at a high speed, thus is especially suitable for being applied in food and clothing industries.
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Why choose Square bottom paper bag machine?

The RKFD-450B Square bottom paper bag machine is a state-of-the-art piece of equipment designed to handle all your packaging needs. With its advanced features and user-friendly interface, this machine can produce high-quality square bottom bags with ease.
One of the standout features of this machine is its ability to adjust for different bag sizes quickly. Whether you need small bags for food items or larger ones for retail products, the RKFD-450B can accommodate your requirements.
Additionally, the RKFD-450B boasts cutting-edge technology that helps reduce waste and improve efficiency. With precise control over the paper feeding system and automatic gluing capabilities, every bag produced by this machine will be consistent in quality.
The compact design of this machine makes it easy to integrate into any workspace without taking up too much floor space. It's also effortless to operate thanks to its intuitive touch screen controls.
The RKFD-450B Square bottom paper bag machine is an excellent investment for businesses looking to streamline their production processes while maintaining high-quality standards in their packaging materials.




Paper bag cutting length (C)


Paper bag width (W)


Paper bag bottom width (H)


Paper roll width


Paper thickness


Max. speed







12000 KGS


Rolling inflatable shaft with Hydraulic automatic feeding system

Magnetic powder controller

Correction system drive by servo motor

The side correction adopts ultrasonic sensor

Hydraulic system for sheet roller changing

Automatic gluing system, adjust the volume of glue and location directly

An integrated tube forming adjustment structure

Germany brand SICK automatic color mark

Japan Yaskawa servo motor driving roller

Automatic lubrication system

Automatic collecting system


Related Messages

Rokin Machinery is the manufacturer of full automatic paper bag machine, v bottom paper bag machine, square bottom paper bag machine and related auxiliary equipment, etc. We have many professional engineers who have more than twenty years experience in the packaging equipment manufacturing industry. 




NO.21 Pinghai Avenue, Binhai New Area, Pingyang County, Wenzhou City.

Wenzhou Rokin Machinery CO. Ltd is the manufacturer of full automatic paper bag machine, square bottom paper bag machine, v bottom paper bag machine, case making machine, cardboard slitting machine and others.



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