Intensive direct drive, post bed, double needle compound feed sewing machine | HY-1780B, HY-1780B-7

  • Model No.



    Feeding system

    Alternating presser foot, feed dog and needle feeding

    Max sewing speed 

    2000 s.p.m

    High of the post bed


    Shuttle diameter


    Applied needle

    DP×17 #18-#23

    Thread size

    Maximum thread 9 strands nylon

    Max stitch length


    Max alternating presser foot


    Max presser foot lifting height


    Auto trimming


    Auto back tacking

    Presser foot lifting height by air

    DL function

    Operation space


    Product Description:

    1. Internal direct drive servo motor and pneumatic controller components, it is convenient to install and maintain.

    2. Extra large operation space and slim post bed facilitate the handing of three dimension material and high-quality decorative topstitch seams.

    3. It’s equipped with auto back tacking, pneumatic presser foot lifting, integrated LED light, free handle bobbin winder, up and down needle positioning, pneumatic halving outer foot, balance and compensate inner foot and other practical functions, make the daily sewing more efficient.

    4. It can adjust instantaneously internal and external presser foot alternating amount by shortcut button.

    5. Standard 8mm needle gauge set, it can optional tape device parts .


    Typical Field of Application:

    Three dimension material topstitch process for sofa and car seat.


    Product Advantages:

    1. Six keyboard shortcuts:Multiple shortcut functions: back tracking, canceling back tracking, instantaneously transform the alternating amount of presser foot (DL step stitch), stitch compensation, second thread clamp, shortcut botton function customization.

    2. Extra large operation space:Extra large operation space 355*260mm and slim post bed make the three  dimension material sewing more easier.

    3. DL function:

    1) Transform the maximum presser foot alternating amount 6.5mm by one-click.

    2) When the sewing reaches the position between up and down step, pressing the DL switch can transform instantaneously maximum internal and external presser foot alternating amount, it will form the perfect stitch effect.

    4. Pneumatic presser foot lifting: The lifting height of the presser foot can be up to 16mm, which is convenient and quick to place the sewing material.

    5. Pneumatic clamp tool subassembly:It can be set two different tension for clamp device by shortcut button to change quickly, it can ensure beautiful stitch effect whatever sewing the think or thick fabric.


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The double needle sewing with 3 parts compound feed construction makes sure feed smoothly and keep the upper and lower material from moving.