It adopts lever feed mecha_nism and the angle of feed dog can be adjusted.So it re-duces the different of stich lenget between high and lowspeed or normal feed and reverse feed .It also adopts.

• 该机为获得理想的缝制效果，采用连杆送料及布牙倾角可调机构，最大限度减少了高低速，倒顺缝纫只的针距误差，同时为确保机器运转是有可靠的润滑，又配置了新颖的 齿轮泵供油系统。