| Model Model |
DY-20688-1 |
DY-20688-2 |
DY-20688-1D3 |
DY-20688-2D3 |
DY-20688-1BD3 |
| Max sewing sewing speed |
2800r.p.m |
3500r.p.m |
3200r.p.m |
2800r.p.m |
| Stitch length |
0-12mm |
| Needle Needle bar bar stroke |
34mm |
| Presser Presser foot lift foot lift |
By hand /knee9/20mm 20mm（Pneumatic） |
| Needle Needle size |
DP×17 18#-25# |
| Needle Needle gauge gauge |
Standard 6.4mm Special 3.2/4.8/8/9.5/12.7mm |
| Presser Presser foot alternation |
1.5-7mm |
| Auto Presser Presser foot lift foot lifter |
/ |
Pneumatic |
| Presser alternation adjuster |
/ |
Pneumatic |
| Safety clutch device |
√ |
| Lubrication |
Auto lubricated |
| Working space |
300×120mm |
| Motor |
500W/1400r.p.m |
220V/750W Servo motor |
