DY 1790 | High-Speed Computerized Lockstitch Buttonholing Machine

Duke DY 1790 High-Speed Computerized Buttonhole Sewing Machine

High-Speed Computerized Lockstitch Buttonholing Machine

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Description

The Duke DY 1790 is a next-generation computer-controlled buttonholing machine designed to deliver clean, consistent, and professional buttonholes at industrial speeds. With an electronically controlled active tension system, high-precision needle throwing (0.05mm), and support for 30 built-in patterns, this model is ideal for modern garment manufacturing facilities.

Engineered for speed, accuracy, and ease of operation, the DY 1790 eliminates oil stains with its clean sewing mechanism and supports both standard buttonholes and longer Polo-style (up to 120mm) buttonholes.

Specification

  • Sewing Speed: 3,600–4,200 rpm
  • Cloth Cutting Knife Size: 6.4mm – 31.8mm
  • Presser Foot Lift: 14mm (stepping motor controlled)
  • Power Supply: 220V / 230V / 240V, 3-phase
  • Total Weight: 112 kg

Feature

  • Max sewing speed: 4,200 rpm
  • Electronically controlled Active Thread Tension System
  • 30 built-in stitch patterns with capacity for up to 99
  • Needle bar stroke: 34.6mm
  • Buttonhole length: up to 41mm (optional 70mm or 120mm)
  • Bar tacking width: max. 5.0mm
  • Auto-lifter, electronic stepping motors, and direct-drive servo motor
  • Oil-free needle bar area to prevent stains
  • Built-in bobbin thread winder and full-rotary hook system
  • Easy switch between patterns, sizes, and fabric types

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