Flat Buttonhole Sewing Machine

AvailablePrice on enquiry

Model

SP-1790DS-S/K/SL S:WOVEN TYPE K:KINTTING TYPE SL:LONG TYPE

Operation panel

Touch panel

Sewing speed

4200 rpm in common use ,3300 rpm while using no-refueling shuttle (selected and purchased )

Size of cutter

6.4 - 31.8mm (1/4” -1/4”)

Tell us the material and application. It helps us confirm the right setup.

SP-1790DS-S/K/SL Flat Buttonhole Supreme Sewing Machine

Advantages of flat Buttonhole sewing machine

The knife is driven by a motor to reduce the noise and failure
Improve stability and efficiency
Motor pressing ,stable and accurate material stitching
Convenient operation
Lower temperature and avoid wrong position.
Optional function: could add the auto feeding device, make sure the buttonholes more accurate

SP-1790

SP-1790DS

Specification

Model	SP-1790DS-S/K/SL S:WOVEN TYPE K:KINTTING TYPE SL:LONG TYPE
Operation panel	Touch panel
Sewing speed	4200 rpm in common use ,3300 rpm while using no-refueling shuttle (selected and purchased )
Size of cutter	6.4 - 31.8mm (1/4” -1/4”)
Width of bartack	The maximum 5mm (parts with special specifications : The max 10 mm)
Length keyhole seam	The maximum 41 mm (part with special specifications :The max 120 mm)
Needle thread tension	Tension of clamping electrical line tension unit
Machine needle (equipment model while delivered)	Dpx5 11-14
Shuttle type	DP full-rotating shuttle Refueling free shuttle(optional )
Rising volume of foot presser	14 mm (17 mm Reversing side)
Automatic lifting and pressing foot device	Standard equipment (pulse motor type)
Drive mode of cutter	Motor drive
Number of standard pattern	31 pattern
Number of Memorable pattern	99 pattern
Coiling device of down thread	Head built-in
Drive model of machine head	Small Ac servo motor(Direct drive)
Electricity / Electricity Consumption	(Single phase) 220v-240/1000 VA
Refuel mode	No-refueling while using no-refueling shuttle(selected and purchased)
Engine oil	parts with rotating shuttle: engine oil(equal to ISO Vg7 )
Weight	60 kg