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RKFD-550 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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Advanced High-Speed Square Bottom Paper Bag Machine for Mass Production    

The RKFD-550 machine for square bottom paper bags is a cutting-edge and effective device engineered to manufacture top-notch square bottom paper bags. This machine operates fully automatically, ensuring a continuous production of paper bags without the requirement of frequent human involvement. As a result, it is an excellent choice for large-scale paper bag production.

The advanced technology of the RKFD-550 Square bottom paper bag machine stands out as one of its most remarkable characteristics. With a touch screen interface, servo motor control system, and a photoelectric sensor for precise color tracking, this machine ensures consistent production of high-quality paper bags that meet all required standards.

Another notable aspect of the RKFD-550 Square bottom paper bag machine is its versatility. It has the capability to manufacture square bottom paper bags in various sizes, shapes, and styles, catering to the specific needs of individual users. Furthermore, this machine is capable of producing paper bags with or without handles, making it an ideal choice for businesses seeking flexible packaging options.

The RKFD-550 Square bottom paper bag machine is also highly efficient. It has a high production capacity and can produce up to 220 bags per minute, allowing businesses to meet their production targets in a timely and cost-effective manner. This high production capacity makes it an excellent choice for businesses that require large quantities of paper bags.

In terms of safety, the RKFD-550 Square bottom paper bag machine is designed to ensure maximum safety for its users. The machine is equipped with several safety features, including an emergency stop button, door interlocks, and overload protection. These features help to minimize the risk of accidents or damage, ensuring that the machine operates safely at all times.

The RKFD-550 Square bottom paper bag machine embodies innovation and efficiency in paper bag manufacturing. With High Speed production capabilities, it churns out top-quality square bottom paper bags, meeting diverse needs. Its Computerized interface and High precision mechanisms ensure consistent output, while Biodegradable materials uphold eco-friendly standards. This machine is the ultimate solution for businesses prioritizing quality, speed, and sustainability in packaging production.

To sum up, the RKFD-550 machine for square bottom paper bags is an incredibly advanced, flexible, and effective device that is ideal for companies in need of top-notch square bottom paper bags. Its cutting-edge technology, adaptability, impressive production capacity, and safety measures make it a superb choice for packaging industry businesses. By utilizing this machine, companies can enhance their efficiency, provide top-quality items to their customers, and uphold strict safety standards in their operations.




Paper bag cutting length (C)


Paper bag width (W)


Paper bag bottom width (H)


Paper roll width


Paper thickness


Max. speed







14000 KGS


Inflatable shaft that rolls with a hydraulic automatic feeding mechanism

Controller for magnetic powder

Servo motor-driven correction system

Ultrasonic sensor used for side correction

Hydraulic system for changing the roller of the sheet

System for automatically adjusting the volume and position of glue during gluing

A structure that integrates tube forming adjustments

Automatic color mark system from the renowned German brand SICK

Roller driven by a servo motor from the Japanese brand Yaskawa

System for automatic lubrication

System for automatic collection


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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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