连杆式送料机构，耐久性好，送料平稳，对膨体类缝料和潜移性较大的中厚缝料，在缝纫过程中能使上下层的送料量达到一致；采用大旋梭，减少换底线次数，提高工作效率；采用全自动润滑装置，提高机器使用寿命。

  Link-driven feed mechanism to ensure long durability and stable feed. Equal feed amount both from top and bottom to sew inflationary and latently movable material of medium and heavy weight.Adoption of large rotary hook to decreas change of bobbin change of bobbin thread for higher work efficiency.Adoption of automatic lubricating system to prolong service life of the machine.

上下同步送料可防止上下缝料之间的滑移。   Synchronized feed both from top and bottom to prevent slippage between layers of sewing material.	连杆式送料机构，耐久性好、送料平稳   Link-driven feed mechanism to ensure long durability and stable feed.