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.