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Bag Making > BAG MAKING Model : 21M
BAG MAKING Model : 21M
PP/PE BAG HIGH SPEED PLASTIC BAG TUBING MACHINE
Specifications

Model 21M High Speed Plastic Bag Tubing Machine is developed by 
      NEWLONG's excellent technique that is actually being embodied in 
      the various paper bag making machines.
This machine is designed to make tubes from P.P. or P.E. woven 
      cloth rolls printed or nor printed. It is equipped with an extruder for 
      bonding with plastic resins. Tubes bonded are cut by Rotary Cutter 
      in required length in 0.5 inch step. By using Photo Cell Device at 
      Cutting Unit, the cutting position is minutely and accurately controlled.
Max. 4 color printing units can be inlined at the option.
The machine 21M is also designed to produce "Paper-Cloth" bag of 
      E (in the flow Diagram on page 10). The "Paper-Cloth" bag consists 
      of 1-ply flat woven laminated cloth and another 1-ply kraft paper.
      In this case, the Valve Form Cutting (Bates-form Cutting) is also 
      available.
The machine 21M is also designed to produce Muti-ply Draft paper 
      tubes. including Combination of Various types of Laminated Kraft 
      Paper or Culpac paper, of any kind.
The "21M" Tubing Machine is one of the most famous and the bast 
      Woven Cloth Tubing Machine in Japan, taking occupancy of the 
      domestic market, as well as various countries all over the world.
* STATIS ELIMINATOR ALSO AVAILABE AT OPTION

Pasting Unit with Extruder
 
Machine Construction
Cloth Roll Stand
* The machine has two Cloth Roll Stand and while on stand is in operation, another stand can be used for installing stand-by cloth roll.
* EPC ( Edge Position Controll ) Device controls the position of Cloth Roll Stand laterally.
* The break pressure can be adjusted by Friction Brake manually.
Plastic Extruderr
* Plastic resin as the bond is melted by Plastic Extruder and it is jetted to the portion of cloth to be bonded.
* Another EPC device keeps jet nozzle in accurate position,
* The jet quantity of bond is freely adjusted by a Variable Speed Motor.
Tube Forming and Bonding unit. 
*The cloth coming from Roll Stand is formed into the tube by means of several rollersand quide plates.
* After bonded, the seam is pressed by Rubber Roller of 200mm diameter and cooled by Cooling Rollers.
Cutting Unit
* Both shear cutting and heat cutting are available by changing cutting knives. By using Photo Cell Device, the cutting length can be adjusted to the register mark.
Delivery Belt Conveyor
* Finished tubes bonded and cut are delivered out by Belt Conveyor, speed of which is freely controlled by Variable Speed Motor.
The Delivery Belt Conveyor has Automatic Tube Counting Device.
Inner PE Tubular Film Device (Optional)
* Connsists of two PE Tube Roll Stands (one for spare), Auxiliary Web Draw Unit,Cross Pasting Unit, etc.
Inner Kraft Paper Device (Optional)
* Consists of two Cloth Roll Stands (one for spare) , Tube Bonding Unit, Paper and Cloth Pasting Unit, etc.
Other optional arrangements are also available on request.
 
  • Bags Available (Additionally)
    Apart from the basically available formats mentioned with figures here, the following is also available as optional.
    Circular Woven Bottom Sewn Bag. (Format A in page No. 10)
SPECIFICATIONS
Cloth Roll Width Max.1,440 mm ( 56 3/4")
Cloth Roll Diameter Max. 1,300 mm (50")
Cutting Length 597-1,397 mm (23 1/2-55")
Tube Width 381-700 mm (15-27 1/2") (without gusset)
381-495 mm (15-19 1/2") (with gusset)
450-600 mm (17 3/4-23 5/8") (with inner PE tube)
Gusset Width Max. 152 mm (6")
Speed Max. 150bags/min (Shear Cutting, without gusset.)
Max. 110bags/min (Heat Cutting)
Max. 120tubes/min (Shear Cutting, with gusset &Valve)
Electricity
Main Motor 15kW 1set (with printer)
Extruder 5.5kW 1set
Extruder Heaters 9.0kW
Others Approx. 11kW
Total Approx. 39kW
Net Weight Approx. 19,700kg
Gross Weight Approx. 27,000kg
Measurement Approx. 3,700cft

* (As improvements are introduced from time to time, we reserve right to make alternations.)
* the actual operation speed depends on operating conditions, material cloth quality, beam conditions, labour quality, etc.

Bags Available  

1. PP/HDPE Woven Cloth Bag (with or without Lamination

2. PP/HDPE Woven Cloth Bag (with Inner PE Tubular Film Bag
3. PP/HDPE Woven Cloth Bag laminated with Inner(or outer) Kraft Paper, Open Mouth Type. (PAPER-CLOTH BAG)
4. PP/HDPE Woven Cloth Bag laminated with Inner(or outer) Kraft Paper, Both End Sewn, Valve Mouth Type. (PAPER-CLOTH BAG)
5. Multi-Ply Kraft Paper Bag. (Various combination of Laminated Kraft-paper or Culpac-paper.)
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