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BCS-850/55 High-Speed Fully Automatic Woven Bag Conversion Line The BCS-850/55 High-Speed Fully Automatic Woven Bag Conversion Line from Rentech Machine Private Limited is designed for automatic cutting, folding and sewing of woven bags. The machine is suitable for PP, HDPE, BOPP and Leno woven sacks, including both laminated and unlaminated bags. It is equipped with a Model 502 HD industrial sewing machine for bag stitching. The machine combines automatic fabric alignment, precision length measurement, cutting, folding, stitching, bag opening and finished-bag conveying in an integrated production line. The documented configuration uses Mitsubishi PLC, HMI and servo systems, along with a SICK colour-mark sensor for printed laminated fabric applications. Key Features High-speed fully automatic woven bag conversion line Suitable for PP, HDPE, BOPP and Leno woven sacks Suitable for laminated and unlaminated woven bags Plain hot cutting system for unlaminated PP/HDPE fabric Servo-based cold cutting system for laminated woven fabric Mitsubishi servo-based cold cutter Automatic edge guiding system Single folding device Heavy-duty 502 HD industrial sewing machine SICK colour-mark sensor for printed material Automatic mouth-opening system Ultra-Edge precision length measuring system Automatic bag counting and conveyor system Mitsubishi PLC and 10-inch touchscreen HMI Linear actuator-based electronic web guiding system Cutting System The machine incorporates both hot cutting and cold cutting systems. The plain hot-cutting system is designed for unlaminated PP/HDPE woven fabrics, while the servo-based cold cutter is used for laminated woven fabrics. The documented cutting length accuracy is ±1 mm. The applicable fabric width is 10–32 inches, while the cutting length range is 17–55 inches. The unwinding unit accommodates fabric rolls up to 1200 mm diameter and up to 700 kg. Automatic Folding & Stitching The BCS line is equipped with a single-fold/double-fold folder configuration and a Model 502 HD sewing machine. The stitching range is adjustable from 5–10 mm, while the single-fold width is adjustable from 16–30 mm. Production Capacity The specified production capacity is approximately 25–40 bags per minute, depending on fabric type, fabric width and operating conditions. Actual production can also vary according to bag dimensions, stitch density, number of folds and operator experience. Mitsubishi Automatic Control System The machine uses a Mitsubishi fully automatic control system, including a Mitsubishi PLC and 10-inch touchscreen HMI. The system is designed for user-friendly operation and parameter adjustment. The machine's servo system includes: 1.5 kW Mitsubishi servo motor for pulling roller 1.5 kW Mitsubishi servo motor for clipper 0.75 kW Mitsubishi servo motor for cold cutting Automatic Web Guiding & Print Mark Detection The machine includes an electronic web guiding system using a linear actuator for automatic fabric alignment. A SICK colour-mark sensor is provided for accurate print registration and precise cutting of printed laminated fabric. Optional Accessories The quotation lists the following optional accessories: 5 HP air compressor Double folder Zig-zag die with heater Gusseting unit assembly Twist gusset D-punch attachment Static discharger Micro-perforation system Frequently Asked Questions – BCS-850/55 1. What is the BCS-850/55 machine? The BCS-850/55 is a high-speed fully automatic woven bag conversion line designed for cutting and sewing PP, HDPE, BOPP and Leno woven sacks. 2. Which materials can the machine process? The machine is designed for PP, HDPE, BOPP and Leno woven sacks, including laminated and unlaminated bags. 3. What is the cutting length accuracy? The specified cutting length accuracy is ±1 mm. 4. What is the applicable fabric width? The machine is specified for fabric widths from 10 inches to 32 inches. 5. What bag length can the machine cut? The specified cutting-length range is 17 inches to 55 inches. 6. What is the production capacity? The specified production capacity is 25–40 bags per minute, depending on fabric type, width and operating conditions. 7. What type of cutting systems are provided? The machine has a plain hot-cutting system for unlaminated PP/HDPE fabric and a servo-based cold-cutting system for laminated woven fabric.

2 Colour Flexographic Printing Machine The 2 Colour Flexographic Printing Machine from Rentech Machine Private Limited is a rotary flexographic printing machine designed for printing on Kraft paper, HDPE, PP woven and Jute bags. The machine is developed for industrial packaging applications where clear and consistent two-colour printing is required. The machine features a robust cast-iron construction with machined heavy sidewalls, supported by heavy cross members. The feeding table is provided with an adjustable edge guide to assist accurate material feeding. Key Machine Features 2-colour rotary flexographic printing system Suitable for Kraft paper, HDPE, PP woven and Jute bags Robust cast-iron machined heavy sidewall construction Heavy cross-support structure for machine stability Feeding table with adjustable edge guide Draw-roller system with adjustable cam for synchronization Designed to maintain accurate bag printing position Heavy-wall seamless steel rollers Rollers are machined, ground and can be chrome-plated as an additional configuration Endless rubberized canvas conveyor belt with tension arrangement Standard nylon conveyor belt imported from Poland Branded reduction gearbox for maintaining operating speed Printing & Production Capability The machine is specified with a 2 HP, 1440 RPM, 440 V electric motor with a suitable worm reduction gearbox and stepped pulley arrangement. The documented machine configuration provides operating speeds of approximately 1,450 or 1,920 bags per hour. The specified colour registration accuracy is ±2 mm, supporting consistent positioning between the two printed colours. Printing & Bag Size The machine can handle: Maximum printing size: 28“ × 52” Maximum bag passing size: 30“ × 55” This makes the machine suitable for a range of woven and paper bag printing applications where the required print area falls within these dimensions. Machine Construction The machine uses heavy-duty construction intended for industrial operation. Its frame incorporates machined cast-iron sidewalls and heavy cross supports, while the rollers are manufactured from heavy-wall seamless steel pipes. The conveyor system includes an adjustable tensioning arrangement. Suitable Applications The machine is suitable for two-colour printing applications on: PP woven bags HDPE bags Kraft paper bags Jute bags Industrial packaging bags Agricultural packaging bags Other compatible bag materials Optional / Additional Systems The quotation document lists additional configurations such as Anilox Roll, Tracking Belt System, AC Drive, Bag Stopper System, Bag Counting System, Brush and Dryer System. These are configuration-dependent and should be selected according to the required application. Product Summary Rentech Machine Private Limited's 2 Colour Flexographic Printing Machine is a heavy-duty rotary printing solution for manufacturers requiring two-colour printing on PP woven, HDPE, Kraft paper and Jute bags. With a maximum printing area of 28“ × 52”, maximum bag passing size of 30“ × 55”, registration accuracy of ±2 mm, and documented production speeds of 1,450–1,920 bags/hour, the machine is configured for industrial bag-printing applications 1. What is the 2 Colour Flexographic Printing Machine? It is a rotary flexographic printing machine designed for two-colour printing on Kraft paper, HDPE, PP woven and Jute bags. 2. Which materials can be printed on this machine? The machine is specified for: PP woven bags HDPE bags Kraft paper bags Jute bags 3. How many colours can the machine print? The machine is designed for 2-colour flexographic printing. 4. What is the maximum printing size? The maximum specified printing size is 28 inches × 52 inches. 5. What is the maximum bag size that can pass through the machine? The maximum specified bag passing size is 30 inches × 55 inches. 6. What is the printing registration accuracy? The specified registration accuracy between colours is ±2 mm. 7. What production speed does the machine offer? The documented configuration provides two operating speeds of approximately 1,450 bags/hour and 1,920 bags/hour, using the specified motor, gearbox and stepped pulley arrangement