一般車縫，采用針桿處的強制回油裝置，有效地控制
針桿構的油量,消除漏油現(xiàn)象;
上下硅油裝置,防止機針發(fā)熱及斷線。
With adoption of the forced-feed oil-return system at
the needlebar,the oil of the needle bar mechanism can
be controlled effectively,ａnd in this way oil leakage will
never happen. And the upper and lower silicon oil system
prevents the needle overheating, and also avoids thread
breakage.