Juki LBH-1790ANS Computer-controlled, High-speed, Buttonholing Sewing System

The Juki LBH-1790ANS is a high-speed, computer-controlled buttonholing machine designed to deliver exceptional precision, consistency, and productivity. As part of JUKI’s advanced buttonholer series, it combines fully digital adjustments with a direct-drive motor and a dry-head mechanism to produce clean, professional buttonholes while preventing oil stains on garments.

The machine offers digitized control for thread tension, feeding, trimming, and knife operation, ensuring stable sewing results across various materials. With built-in NFC and USB connectivity, operators can easily transfer data, maintain uniform settings, and manage production more efficiently.

Engineered for apparel manufacturers requiring speed and accuracy, the LBH-1790ANS includes 31 built-in buttonhole patterns, customizable parameters, and cycle/continuous sewing modes for higher productivity.

Key Features Include:

• High-speed operation up to 4,200 stitches per minute
  
• Dry-head system eliminates oil stains and minimizes maintenance
  
• Fully digitized controls for tension, feed, trimming, and knife mechanisms
  
• USB and NFC connectivity for easy data management and updates
  
• Adjustable work clamp foot lift up to 17 mm with reverse-rotation needle-up
  
• 31 built-in buttonhole patterns; stores up to 99 patterns
  
• LED light under the arm for improved visibility
  
• Auto-lifter driven by stepping motor to reduce operator fatigue
  
• Auxiliary table included for easier material handling
  

Specifications:

• Sewing Speed: Max. 4,200 sti/min
  
• Buttonhole Length: 6.4 mm – 25.4 mm (1/4" – 1")
  
• Needle Bar Stroke: 34.6 mm
  
• Stitch Width: Max. 5.0 mm
  
• Knife Length: Up to 41 mm (70 mm and 120 mm optional)
  
• Number of Stitches: Max. 99
  
• Needle Type: DP×5 (#11J–#14J)
  
• Hook: Full-rotary hook (optional non-lubricated hook available)
  
• Work Clamp Lift: Max. 14 mm (17 mm with reverse-rotation needle-up)
  
• Power: 3-phase 200–240V
  
• Weight: Machine head 55 kg; Control box 5.5 kg
  

What's Included:

• MC602EN Control Box (220V)
  
• Industrial Table
  
• K-Leg Stand
  

Ideal Applications:

• Dress shirts
  
• Blouses
  
• Uniforms
  
• Light to medium-weight garments requiring precision buttonholes