Fully Automatic Paper Bag Making Machine

Paper bag making machines use advanced motor and drive systems, with most requiring a 3 HP to 10 HP motor and a single or three-phase power supply to operate their synchronized components. Motor, Power, and Drive System Configuration Motor Power: Most industrial paper bag machines are equipped with a main motor ranging from 3 HP to 10 HP (approximately 2.2 kW to 7.5 kW). The specific power depends on the machine’s capacity and speed. Voltage and Phase: They require an electrical power source of either 220V-240V (single-phase) or 380V-440V (three-phase), with the latter often used for high-speed, heavy-duty industrial models to handle the load more efficiently. Drive Mechanism:Servo Motors: Modern, high-precision machines often use a complete servo motor drive system (e.g., from Yaskawa Japan) to ensure high precision, stability, and control over bag length and speed. AC/DC Motors with Drives: Other models use standard AC or DC motors in conjunction with AC drives for speed regulation. Chain Drives: Older or simpler models may use chain and gear systems for mechanical power transmission, though these are less common in modern high-speed machines that prioritize precision and lower maintenance. Power Consumption: A typical semi-automatic machine might consume 3-5 kW, while a fully automated, high-speed machine could require 12-15 kW or more in total power (including heaters and ancillary units). Key Integrated ComponentsThe various components of the machine are synchronized to work together seamlessly: Paper Roll Feeding Unit: Features an automatic tension control system and web guide to ensure smooth and accurate paper feeding from the reel. Gluing System: Applies precise amounts of water-soluble cold glue or hot melt adhesive for side and bottom sealing. Tube Forming & Cutting: A sequence of guides and a cutting mechanism work in tandem to form the paper into a tube and cut it to the required length. Bottom Folding Unit: Folds and pastes the bottom of the bag to create a V-shape or square bottom, ensuring a strong, flat base. Control Panel: A central PLC (Programmable Logic Controller) or HMI (Human Machine Interface) system manages and synchronizes all operations, allowing the operator to set parameters and monitor the production process. Handle Attachment (Optional): In specialized machines, a separate unit automatically forms and attaches twisted paper rope or flat handles to the bag in-line.