| 型號Model | B7500- 13- ED2/PD3 | B7500- 13-SD3 | B7500- 38- ED2/PD3 | B7500- 86- ED2/PD3 |
| 機針Needle | DCX27 11# | DCX27 11# | DCX27 14# | DCX27 21# |
| 針數(shù)No.of needles | 2 | 2 | 2 | 2 |
| 線數(shù)No.of threads | 4 | 4 | 5 | 6 |
| 針間距Needle gauge | 2 | 2 | 3 | 5 |
| 針跡寬度Stitch width | 2+4 | 2+4 | 3+4 | 5+6 |
| 針跡長度Stitch length | 0.7-4.5 | 0.7-4.5 | 0.5-3.8 | 0.7-4.5 |
| 差動比Differential ratio | 0.7-1.5 | 0.7-1.5 | 0.7-2 | 0.7-1.5 |
| 壓腳高度lternation range | 6.5 | 6.5 | 5.5 | 7 |
| 轉(zhuǎn)速wing speed | 6500 | 6500 | 6500 | 6500 |
