Fully Automatic Bottom Sealing Bag Making Machine With In-line 4 Foldings Unit By Servo Motors Control




Plastic bottom sealing bag making machine CWA+4F-SV is suitable for the production of bottom sealed bags with 4 times folding, first 2 times folding of the bag’s length and last 2 times folding of the bag’s width. This machine is equipped with 4 sets servo motors, 1 set for main sealing and cutting machine, 3 sets for the first 3 times folding unit and last 4th folding is controlled by air cylinder. Besides, it is also equipped with 2 touch screen controls for friendly and easy operations while reducing labor costs and having more efficient productivity. Furthermore, last 4th folding can be set for single piece or several pieces together according to customer's requirements.


Main features of the machine are as follows:

  • Suitable for the production of HDPE, LDPE and recycled polyethylene materials.
  • Japan made servo motor and servo driver control bag length precisely with stable speed and reducing electric consumption.
  • Bag length and speed can be changed easily from touch screen.
  • Automatic 4 times folding device.
  • Quantity of each stack can be set from touch screen.
  • German made photocell SICK for accurate printing mark.
  • Machine stops automatically when:
    1. Bags jammed.
    2. Film is finished.
    3. Temperature below the setting.

Model CWA+4F-800-SV CWA+4F-1000-SV CWA+4F-1200-SV CWA+4F-1300-SV
BAG WIDTH (mm) 450~700 500~900 550~1100 600~1200
BAG LENGTH (mm) 550~1000 600~1100 650~1300 700~1400
THICKNESS (mm/layer) 0.012~0.035 0.012~0.035 0.015~0.035
0.015~0.035
PRODUCTION SPEED (bag/min) Max. 80 Max. 70
Max. 60
Max. 50
POWER REQUIRED (kw) 9 10 11 12
FULL LOAD CURRENT (A) 22 24 26 28
AIR VOLUME & PRESSURE 600 L/min
6 kg/cm2
600 L/min
6 kg/cm2
600 L/min
6 kg/cm2
600 L/min
6 kg/cm2
DIMENSIONS L x W x H (cm) 690 x 180 x 180 690 x 190 x 180 700 x 245 x 180 710 x 255 x 180
PACKING L x W x H (cm)

260 x 200 x 205

260 x 210 x 205

260 x 200 x 205

260 x 220 x 205

240 x 230 x 205

345 x 230 x 205

240 x 230 x 205

345 x 230 x 205

NET WEIGHT (kg) 2200 2400 2600 2800
GROSS WEIGHT (kg) 2500 2700 2900 3100

  • Copyright © CHAO WEI PLASTIC MACHINERY CO., LTD. 僑偉塑膠機械有限公司