Walking foot leather industrial sewing machine, post bed sewing machine HY-1780B | Intensive direct drive, post bed, double needle compound feed sewing machine Model No. HY-1780B Feeding system Alternating presser foot, feed dog and needle feeding Max sewing speed 2000 s.p.m High of the post bed 160mm Shuttle diameter Ф26mm Applied needle DP×17 #18-#23 Thread size Maximum thread 9 strands nylon Max stitch length 9mm Max alternating presser foot 6.5mm Max presser foot lifting height 16mm Auto back tacking √ Presser foot lifting height by air √ DL function √ Operation space 255×103mm 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. COMPANY HONOR EXHIBITION DISPLAY