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4-Servo High-Speed Semi-Automatic Double-Piece Carton Stitching Machine – Model 2500

This 4-servo semi-automatic double-piece carton stitcher adopts an imported control system with fully electric size adjustment. It completes single, double and reinforced stitching in one pass, and features automatic counting, 30–120 mm adjustable stitch pitch and a speed of 600 stitches per minute, ideal for 3–5 ply medium and small cartons.

    Core Components & Key Functions

    • 4-servo drive system by Mitsubishi (Japan)Delivers exceptional positioning accuracy, reduces mechanical transmission components, and effectively lowers machine failure rate.
    • Control system powered by Omron PLC
    • All contactors in the control cabinet adopt Siemens (Germany) brand
    • Relays and circuit breakers from Schneider (France); photoelectric & proximity switches from Omron (Japan)
    • Bottom die and blades made of Japanese tungsten carbide alloySuperior wear resistance for extended service life.
    • Complete stitchhead units are original Taiwan-made Ensures longer service life of the stitching
    • 1-minute fast changeoverCarton size and stitch pitch adjustment can be completed in just 1 minute, greatly saving setup time and simplifying operation.
    • Rear automatic counting & stackingFinished cartons are counted (1–99 pieces per set as preset) and stacked in batches at the end of the conveyor, easy for bundling.
    • Front feeding unit with automatic countingThe feeding table is equipped with photoelectric sensors and rises automatically during feeding.
    • Feeding height: 900 mm
    • Machine speed: 600 stitches per minute
    • Dual-purpose designCapable of stitching single-piece, double-piece and irregular-shaped cartons.
    • One-pass stitchingfor multiple modes Reinforced stitching, single stitching and double-row stitching can all be completed in one operation.
    • Automatic counting at feeding section, finished products delivered for bundling
    • Ideal for small to medium-sized cartons, fast and labor-saving stitching
    • Computer-controlled stitchpitch adjustment stitch pitch is freely adjustable from 30 mm to 150 mm via touchscreen setting.
    • Automatic wire feeding systemCompatible with 20 kg large-coil flat stitch wire, reduces frequent refills and saves time.
    • Fully computerized paper pressure gap adjustmentQuickly and accurately adjusts pressure gap for 3-ply, 5-ply and 7-ply cartons.
    • Four servo motors configurationTwo for stitch head drive, two for feeding drive.
    • Electrical isolation & voltage-stabilizing transformer protectionEffectively extends the service life of on-board electrical and control components.
    • Fully automatic computerized size adjustment with recipe memory1-minute fast changeover between different carton sizes; stores up to 1000 order recipes.
    • Stitchingmodes: double slant stitching / single slant stitching / reinforced stitching

    Main Technical Specifications

    Parameter Specification
    Max. carton perimeter (L+W)×2 4000 mm
    Min. carton perimeter (L+W)×2 1100 mm
    Max. carton length (A) 1400 mm
    Min. carton length (A) 350 mm
    Total power 6 kW
    Machine dimensions (L×W) 3500 × 3000 mm
    Machine weight (approx.) 3000 kg
    stitch pitch 30–120 mm
    Machine speed 500–600 stitchs/min
    stitch wire gauge 17–18
    stitchs per carton (adjustable) 2–99

    Core Configuration Table

    Electrical System Brand / Origin Mechanical System Brand / Origin Technical Indicator Value
    Servo drive Mitsubishi, Japan stitch head Guangdong, China Head speed 500–600 stitchs/min
    Servo motor Mitsubishi, Japan Timing pulley Guangdong, China stitch pitch accuracy ±1 mm
    PLC Omron, Japan Head reducer Liming, Taiwan Start mode Photoelectric detection + foot switch
    Contactor Schneider Gear reducer South China stitching mode Double-piece / single-piece
    Relay Fanyi, Shanghai Timing belt Guangdong, China Max. power 6 kW
    Touchscreen Weinview – – Machine weight 2000 kg
    Solenoid valve Airtac – – Feeding mode Integral auto-rising worktable

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