Single-step motor upper differential lockstitch sewing machine




适用范围:
上袖、合肩、合摆缝、合缝、压下摆压止口、分段打褶、上灯笼袖
ADVANTAGE:
Upper differential feeding flat sewing machine, using stepper motor digital adjustmen
High speed: 4000 RPM
Maximum stitch length: 5mm
Needle stroke: 31.8mm
Press foot lift: manual ≥5mm knee control ≥13mm
Machine needle: DB*1 17#-18#
Spinning shuttle: automatic lubrication cutting special spinning shuttle
Feeding press foot feeding amount: 8mm
Feeding press foot lift: 2.5mm 5mm
Upper differential feeding differential ratio: surplus ≥ 3:1 (less than 2.5 needle distance);
Feed press foot reverse stitch feed quantity adjustment function: feed press foot with reverse stitch feed quantity adjustment Function, synchronous feeding with lower teeth can be achieved when the differential feeding (such as pleating) is reversed. Achieve the smooth and beautiful reinforcement joint
The number of segment pins and segment momentum of the upper difference can be adjusted, and 9 segment momentum can be set
Cutting method: Rotary cutting knife
Standard built-in press foot
![]() | SP-5490-7/C-J |
![]() | DBX1 |
![]() | 5 |
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![]() | 8 |
![]() | 5-13 |
![]() | 4000 |









Download user manual