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Roll Fed Square Bottom Paper Bag Machine (Two Ply Unit) Series

Our SBH150/290/330/450 series roll feed square bottom bag machine adds an inline DL01/02/03 servo driven two ply unit in order to produce paper bags with an internal full film lamination or two ply paper bags. It is widely used for the production of flour bags, and features an increased market potential for the customer, as well as an improved sales value of the finished product.

  • Two Ply Unit

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. Two sets of reel stand sections are equipped with an Italian RE tension system and German BST WEB guiding system in order to reduce waste and improve efficiency.
4. The two ply paper bag machine can produce bags with offset bottom slitting.
5. Two ply bags can have partial or full gluing between plies.

Bag Schematic Diagram

Technical Info SBH150+DL02 SBH290+DL02 SBH330+DL02 SBH330B+DL02 SBH450+DL02 SBH450B+DL02
Paper Roll Width (mm) 295-640 395-910 420-1050 465-1050 618-1310 618-1310
Paper Roll Dia. (mm) ≤1200 ≤1200 ≤1500 ≤1500 ≤1500 ≤1500
Paper Roll Core Dia. (mm) Φ76 Φ76 Φ76 Φ76 Φ76 Φ76
Paper Thickness (gsm) 40-135 50-150 50-160 50-160 70-160 70-160
Tube Cut Off Length (mm) 191-385 280-530 280-530 280-530 368-762 368-762
Bag Face Width (mm) 80-200 120-290 125-330 150-330 200-450 200-450
Bag Bottom Size (mm) 50-100 70-150 70-150 70-180 90-180 90-205
Max. Speed (bags/min) 250 220 230 220 160 160
Total Power (kW) 15.75 17.25 21.5 21.5 25.8 25.8
Machine Weight (kg) about 8600 about 11000 about 11500 about 12000 about 14000 about 14000
Machine Size ((L×W×H)m) 14.6×2.6×1.96 17.5×3.1×1.96 17.5×3.1×1.96 17.5×3.1×1.96 19×3.9×2 19×3.9×2
Three Types Bottom Seal in in in in in in
Servo Lip Cut Device in in in in no no
Serrated & Straight Cut Device in in in in in in
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