ML842/845/872/875 Double Needle Lockstitch Sewing Machine

本机采用双直针、立式自动加油、旋梭勾线、滑杆挑线，构成两行双线锁式线迹；针杆采用机械式分离与联合，上下轴采用滚珠轴承，同步齿形带传动，柱塞式表盘节针距和杠杆式倒顺送料机构，在锁芯内的缝线回拉弹簧，保证底线与面线得到一致的缝纫效果，适用缝制大衣、制服、牛仔裤、包袋、装饰缝等。

Double Needle Lockstitch Sewing Machine
The machine adopts two straight needles vertical-axis raoting hook with self-lubricating feature for catching thread loop and sliding cam takeup to produce two lines of double lockstitch. The needle bar can be enlarged and disengaged mechanically and the arm shaft and hook shaft are supported by ball bearings. It is provided with synchronous tooth belt for driving and plunger pump for lubricatingm and knob-type stitch regulator and lever type reverse feeding mechanism. The sew thread pulls back spring in the bobbin case and guarantees the harmony between surface thread and buttom thread. Besides ut features synchronized feeding of needle bar and feeding dog. It is recommended for stitching overalls, unifiorms, jeans and decorative sewing on bags.