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Overfolded Flat Handles Block Bottom Bag Making Machine

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Flat handles block bottom bag making machine is outfitted with a Mitsubishi electrical control system and operates with servo motor control to maximize stability and simplify maintenance. It features high production efficiency, making it a perfect choice for minimizing labor and operating costs.

The paper bag making machine efficiently adheres paper patches to flat paper ropes, forming the flat handles, which are then quickly attached to the bags. In the subsequent stages, the machine executes side gluing, roll forming, cutting, creasing, bottom gluing, and bottom sealing. This fully automated process delivers high-quality bags at a fast pace, ensuring efficiency without compromising on quality.

Parameters

Model	ZD-F350NB	ZD-F450NB	ZD-FN380NB	ZD-F550NB
Roll paper width	420-1090 mm	650-1370 mm	580-1270 mm	670-1670 mm
Max. dia. of roll paper	φ1500 mm	φ1500 mm	φ1500 mm	φ1500 mm
Inner dia. of roll paper	φ76 mm	φ76 mm	φ76 mm	φ76 mm
Paper gram	60/80-150 g/㎡	70/80-150 g/㎡	80/90-150 g/m²	80/90-150 g/㎡
Finished paper bag width	130/180-330 mm	230-450 mm	200-380 mm	240-540 mm
Cut-off length	260-(530 mm with handle height)	280-(630 mm with handle height)	230-(655 mm with handle height)	380-(770 mm with handle height)
Bag bottom width	65-180 mm	80-220 mm	75-240 mm	80-280 mm
Paper gram for flat handle	70-90 g/㎡	70-90 g/㎡	70-90 g/㎡	70-90 g/㎡
Width of reel paper for flat handle	100 mm	100 mm	100 mm	100 mm
Flat handle width	12 mm	16 mm	12 mm	16 mm
Flat handle height	75 mm	100 mm	75 mm	100 mm
Flat handle space	100 mm	109 mm	100 mm	109 mm
Flat handle paper roll diameter	φ1200 mm	φ1200 mm	φ1200 mm	φ1200 mm
Paper patch gram for handle	80-110 g/㎡	80-110 g/㎡	80-110 g/㎡	80-110 g/㎡
Handle paper patch roll diameter	φ1200 mm	φ1200 mm	φ1200 mm	φ1200 mm
Handle paper patch length	160 mm	160 mm	160 mm	160 mm
Handle paper patch width	52 mm	52 mm	52 mm	52 mm
Max. production speed	150 bags/min	140 bags/min	140 bags/min	130 bags/min
Total power	28 KW	28 KW	28 KW	30 KW
Weight	22000 KG	23000 KG	23000 KG	24500 KG
Overall dimensions（LWH）	1550050002800 mm	1600050002800 mm	1450045003300 mm	1650050003000 mm

This type of paper bag machine was designed to produce bags with flat handles that can be folded inside or positioned upright outside. Its innovative design uses only one piece of patch paper per handle, unlike older models that required two, thus reducing paper usage. When handles are folded inside, the bags occupy less space, leading to savings in packaging and transportation costs.

Production Process

Paper Roll Feeding
Handle Gluing
Handle Pasting
Side Gluing
Gluing/Tube Forming
Tube Cut-off
Creasing
Bottom Folding
Bottom Gluing
Bottom Forming

Machine Configurations

2. FEEDING UNIT
  The roll paper fixed on the air expanding mandrel can be fed by swing arm which is equipped with lifting hydraulic system. With an alarm function, the feeding unit will sound alarm when there is no paper feeding. Improved surface smoothness of the paper during the feeding is achieved due to the web guide and uniform tension control. Paper rolls can be easily changed by pressing a button.
2. HANDLE MAKING UNIT
  Flat paper ropes and paper are attached together to create a flat handle.
2. HANDLE PASTING UNIT
  The handle pasting machine can automatically paste the flat handle into the required position of bag body with the use of glue and then presses it firmly on the bag body before pre-creasing.
2. BAG FORMING UNIT
  Form the paper with patches and side glue into the tube; and cut into separate pieces based on the settings. Afterwards, these separate tubes will be sent to the drum to open the four corners, then bottom gluing, sealing and form the square shape consequently.
2. BAG COLLECTING UNIT
  Compress the bags and output the finished bags. The number of paper bags processed can be displayed by the automatic collection and counting system.

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