DUAL-STEP UPPER DIFFERENTIAL TRIMMING-BINDING INTEGRATED FLAT LOCKSTITCH SEWING MACHINE
1.Top differential feed driven by independent stepping motor; adjustable top differential feed amount to prevent misalign ment and achieve smoother sewing.
2. Front-mounted differential connected with mechanical linkage (patentedproduct).
3. Up to 15 programmable segments available for electronic top differential.
4. Manual switching of differential feed amount and stitch length is supported.
5. Electronic reverse stitching, electronic stitch length, built-in presser foot lifter.
6. Optional needle positions: 1/8", 5/32", 3/16", 1/4", 5/16".
7. Compatible with commercially available standard folder attachments.
Suitable for down jackets, cotton-padded coats, jackets, windbreakers, sun-protection jackets, trousers, and edge-trimming & overlocking. One-step processing.
| Model | SP-5490-7/QB-STJ |
| Needle | DBX1 |
| LeverStroke(mm) | 31.8mm |
| MaxStitchlength(mm) | 5 |
| Thin | ★ |
| Medium | ★ |
| Heavy | ★ |
| Automatic ThreadTrimmer | ★ |
| MaxTop-FeedAmount | 8 |
| Press.footlift(mm) | 5-13 |
| Max.speed(s.p.m.) | 4000 |
| Overalldims.(mm) | 650X270X540 |
| Netwt.(kg) | 40/50 |
Download user manual