機針與送布牙同步送料，可防止縫料滑移；采用底線量確
認窗，可以方便確認底線量；采用左右獨立的取線彈簧，
可方便調(diào)節(jié)線的松緊；采用自動供油系統(tǒng)，降低油耗。 適
用縫制大衣、制服、牛仔褲、包袋、裝飾縫等。
On system Feed by needles and feed dog，can prevent
the slide between the materials;Adopt bobbin thread
confirming window, can easily check the quantity of the
bobbin thread;Can adjust the tension of thread easily
through the left and right self-govern spring;With auto
oil lubrication.Suit to process pants, jeans, work suits
ａnd luxury clothes.

JH8450D/JH8420D
雙針直驅(qū)自動切線平縫機
Double needle direct Drive lockstitch
sewing machine with Auto trimmer