Bend needle mechanism and looper mechanism are two important mechanisms in blind stitchingmachine.
弯针机构与成圈叉机构是暗缝缝纫机的两个重要机构。
2
The overlock machine combines straight and overcasting stitches and outs and sews the fabric while stitching the seams.
包缝机的线迹由直线线迹和锁边线迹组成并且缝纫时边剪边缝。
3
The principle of tacking stitching of lockstitch sewing machine was analyzed, pointing out that whether the tacking stitching is in good order or not lies in how to control the tacking relay.