ST 1790

Technical Details
SKU: ST 1790
  • Application
  • For standard material
  • Sewing Speed
  • Max. 4,200 rpm, Normal 3,600 rpm
  • Needle Bar Stroke
  • 34.6 mm
  • Size of cloth cutting Knife
  • 6.4~31.8 mm (1/4"~1-1?4")
  • Bartacking Width
  • Max. 5.0 mm (with special-specification part : Max. 10 mm*)
  • Buttonhole Length
  • Max. 41 mm (optional : 70 mm, 120 mm)
  • Precision of needle throwing mechanism
  • 0.05 mm
  • Needle thread tension
  • Active tension (electronic thread tension control system)
  • Number of Stitches
  • Automatically computed from the size of the buttonhole and stitch pitch.
  • Needle (at the time of delivery)
  • DP x 5 (#11j) #11j ~ #14j
  • Hook
  • DP type, full - rotary hook
  • Life of working Clamp
  • 14 mm
  • Auto - lifter
  • Provided as standard (stepping motor type)
  • Needle throwing system
  • Stepping motor
  • Cloth cutting knife system
  • By double-acting solenoid
  • Number of standard patterns
  • 30 patterns
  • Number of patterns that can be input
  • Max. 99 patterns
  • Bobbin thread winder
  • Built-in-the machine head
  • Machine head drive system
  • Compact AC servomotor (direct-drive system)
  • Power requirement / Power consumption
  • Single-phase 220V, 230V, 240V 3-Phase 200~240V / 600VA
  • Lubricating oil
  • Equivalent to ISO VG7
  • Accessories
  • Standard accessories