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Roll Fed Square Bottom Paper Bag Machine (Die Cut Handle Patch Application Unit) Series

The SBH-W series roll fed square bottom paper bag machine is based on the SBH series and is designed to manufacture square bottom paper bags from paper roll in blank or printed designs. A die cut handle device has been added to the manufacturing line, so that a handle can be added to the bag. Side gluing, tube forming, die cut handle, tube cutting, bottom creasing, bottom gluing, bottom forming and final product out feed can all be completed in a single run, making this ideal equipment for food bags, shopping bags and other common paper bags.

Sunhope is the first company in China to design and produce a die cut handle patch application unit, which can be added to the SBH290W, SBH330W, and SBH330BW machines to produce die cut handle bag inline with reinforced patches using paper or film materials.

  • Die Cut Handle Device
    (Invention Patents: 2013201352259)
  • Die Cut Handle Patch Application Unit
    (Invention Patents: 2012102070921)

1. The roll fed square bottom paper bag machine is equipped with a Japanese Mitsubishi servo system and SICK photocell for correction, so that users can accurate track printed material, and minimize adjustment and pre-set times.
2. It is equipped with a Mitsubishi electric control system and Mitsubishi motion controller (CPU). This achieves an integration of an optical fiber in order to achieve a high speed and high precision, motion control and production flow test. With a touch screen display, the operation functions are clear, and feature a great human to machine interface.  
3. Equipped with an Italian RE tension system and German BST WEB guiding system, the machine can reduce waste and improve efficiency.  
4. The patch length and width are adjustable. Patch position can be adjusted.
5. The automatic fault alarm is added to the paper web detector to avoid damage to the machine caused by paper jams.

Bag Schematic Diagram

Technical Info SBH290W+PAV02 SBH330W+PAV02 SBH330BW+PAV02
Paper Roll Width (mm) 395-910 420-1050 465-1050
Paper Roll Dia. (mm) ≤1200 ≤1500 ≤1500
Paper Roll Core Dia. (mm) Φ76 Φ76 Φ76
Paper Thickness (gsm) 50-150 50-160 50-160
Tube Cut Off Length (mm) 280-530 280-530 280-530
Bag Face Width (mm) 120-290 125-330 150-330
Bag Bottom Size (mm) 70-150 70-150 70-180
Patching Range (Length) (mm) 40-210 40-210 40-210
Patching Range (Width) (mm) 25-180 25-180 25-180
Max.die Diameter (mm) 400 400 400
Inner Diameter (mm) 75 75 75
Paper Patch Thickness (gsm) 120-250 120-250 120-250
Film Patch Thickness (u) 28-50 28-50 28-50
Max. Speed (bags/min) 220 230 220
Bag Machine Total Power (kW) 10.25 14.5 14.5
Pav02 Total Power (kW) 12.9 12.9 12.9
Machine Weight (kg) about 9000 about 9500 about 10000
Machine Size ((L×W×H)m) 14.7×3.1×1.96 14.7×3.1×1.96 14.7×3.1×1.96
Three Types Bottom Seal in in in
Servo Lip Cut Device in in in
Serrated & Straight Cut Device in in in
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