Bag Conversion Lines


JP developed Conversion lines for producing bottom folded and sewing woven sack made from a roll of tubular woven PP/HDPE fabric. JPBCL – 850 model from J P EXTRUSIONTECH LIMITED is a high-speed machine suitable for conventional bag application and is designed for cutting the tubular fabric, bottom folding, sewing, and stacking. This new generation machine with servo and PLC controls is designed for fabric width up to 850 mm and cut length up to 1400 mm with speeds up to 30 to 40 bags/min. Depending upon the material, width of the fabric, length of the bag, number of folds, stitches etc. This bag making machine is most appropriate for working with un-laminated fabric but can also be converted to use laminated fabric.

Advantages of this conversion Line:

  • State of the art automated operation & consistent quality of end product (cut & sewn bags.)
  • Reduced space requirement in finishing department for converting the roll of fabric to the finished bag.
  • Reduced manpower requirement for producing the same quantity of bags.
TECHNICAL SPECIFICATIONS : JPBCL –  850
 GENERAL PARAMETERS
 Diameter of Unwinding Cloth  1400 mm Maximum
 Width of Unwinding Cloth  300 to 850 mm Maximum
 Cutting Length  500 to 1400 mm Adjustable
 Cutting Length Accuracy  ± 1 mm
 Production Capacity   30 – 40 Bag/Minute (depending upon the bag size).
 1st IN-FEED NIP
 Driven Motor  0.75 KW AC Motor with Inverter Control
 Feeding Type  Auto Control, Non-Stop Feeding Type
 Tension Control  By Dancing Rollers
 2nd CUTTING IN-FEED NIP
 Driven Motor  2.25 KW Servo Motor
 Feeding Speed  Synchronized with Production Settings.
 Bag Mouth Auto Opening  Bag mouth auto opening arrangement through reversing nip.
 CUTTING STATION
 Cutting Knife 
 (Heat Cutting)
 Flat Type (Straight Line) Special Alloy Steel Cutter.
 Cutting Knife 
 (Cold Cutting)
 Cutting through Rodless Cylinder.
 Heat Cutter Operation  Through pneumatic cylinder with sensor
 90 DEGREE TRANSFER UNIT
 90 Degrees Transfer  Clipper / Gripper Type
 Driven Motor  2.25 KW Servo Motor
 FOLDING & SEWING UNIT
 Sewing Unit (Double Needle)  New Long DKN-3W 4500 rpm (Two Row Stitching)
 Stitching Range  5.0 – 9 mm
 Folding Device  Single Fold
 Folding Width  20 to 30 mm Adjustable
 Main Conveyor Driven Motor  0.75 KW AC Motor with Inverter Control
 Sewing Machine Driven Motor  0.75 KW AC Motor with Inverter Control
 STACK & DELIVERY UNIT
 Bag Delivery   Counting Stack type Belt Conveyor (Every 25 or 50 Bags)
 Bag Delivery Driven Motor  0.37 KW AC Motor with Magnetic Brake
 STANDARD ACCESSORIES
 Sewing Thread Broken Alarm  Provided with the Machine
 EPC (Edge Position Controller)  0.75 KW Hydropneumatic Power with a pneumatic sensor.
 Print Mark Sensor  Provided with the Machine for Pre-printed fabric rolls.
 ELECTRICAL CONTROL & LOAD
 Electrical Control  Electrical control through servo motors & inverters along with Touch Screen
 Machine Connected Load  7.87 KW (Approx.)
 MACHINE DIMENSION SIZE (L x W x H) = 5 x 4 x 1.5 MTR.
 ADDITIONAL EQUIPMENT
 Double Folding Device   It is mounted near sewing machine
 Zigzag Type Heat Cutter  For Un-Laminated Fabric.
 Guesseting Unit  Gusseting arrangement has been installed horizontally with manual adjustments.


Demo Film – Bag Conversion Line


Image Gallery – Bag Conversion Lines