Fully Automatic High Speed Perforated Coreless Bags on Roll Machine with Two Triangle Folders




CW-TR is suitable for the production of perforated coreless flat bottom sealed garbage bags or table covers on roll by up and down heated sealing device and two triangle folders for making finished roll with small width at maximum line speed 100 meter/min. In addition, it can also produce perforated coreless gusseted trash bags and flat bottom sealed bags on roll without triangle folding.


  • Suitable for the production of HDPE, LDPE and recycled polyethylene materials.
  • Machine body is made of thick steel frame for stability at high speed operation.
  • Automatic lift up film roll unwinder with air shaft, reducing the number of employees.
  • Automatic tension control with Japan made YASKAWA inverter for unwinding of film roll.
  • One set Japan made YASKAWA servo motor and servo drive control bag length precisely and stable speed, reducing electric consumption.
  • Bag length and production speed can be set easily on the touch screen.
  • One set German made SICK photocell for accurate printed bags.
  • Up and down sealing and perforating device.
  • Two triangle folders after flat bottom sealed for making finished roll with small width.
  • Two sets rewinding shafts turret can produce small quantity of bags per roll.
  • Folding types can be C, E, Z or Center.
  • Machine stops automatically when:
    1. Bags jammed.
    2. Film is finished or broken.
    3. Temperature below the setting.
    4. Print is not at correct position.

MODEL CW-800TR CW-1000TR CW-1200TR
Max. Film Roll Size (mm)
700 x Ø 900
900 x Ø 900
1100 x Ø 900
Bottom Sealed Width (mm) 300 ~ 700
400 ~ 900
500 ~ 1100
Bag Length (mm) 400 ~ 900 500 ~ 1100
600-1300
Thickness/Layer (mm)
0.015 ~ 0.035
0.015 ~ 0.035
0.015 ~ 0.035
Max. Production Speed (meter/min)
100 100 100
Finished Roll Width (mm)
150 ~ 400
150 ~ 400
150 ~ 400
Max. Finished Roll Diameter (mm) 100 100 100
Power Required (kw)
25 30 35

Air Volume

Air Pressure

800 L/min
6 kg/cm²
800 L/min
6 kg/cm²
800 L/min
6 kg/cm²
Dimensions L x W x H (cm)
850 x 210 x 265
850 x 235 x 265
850 x 255 x 265
Net Weight (kg)
3500
4000 4500
Gross Weight (kg) 4000 4500 5000
Remark 2 Triangle folders 2 Triangle folders 2 Triangle folders

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