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Single needle long arm top and bottom feed extra heavy duty lockstitch sewing machine
It takes up the thread with needle bar crank four-bar linkage mechanism,
Applies the synchronous fabric feeding way of top and bottom dog, the lubrication applies injection vane pump, and the plunger pump absorbs the return oil of the oil-return device.
The shell of the machine is lengthened and the height is heightened, making the operation space wider.
The space at the lower end of the needle bar is large, and the distance from the stitch to the extreme right side of the fabric is large.
It is a special sewing machine of special field.
Its unique assisting presser foot function is more suitable for sewing leather and thick fabric: This feature makes the machine smoother when sewing thick material and having joint sewing.
It is especially suitable for the thick and big articles such as canvas, leather and bag.
DATA
Model Max. Speed Needle size Fabric type Stitch length NO. Of needle Needle bar stroke Hook size Presser lift height Rating power G/N Weight Packing size
Spm L M H mm mm standard BIG mm W kg mm
TY-3500 2500 DPx17 22# 9-12 1 38 7/16 --- 40/37 710X290X645
China-Single-Needle-Long-Arm-Top-and-Bottom-Feed-Extra-Heavy-Duty-Lockstitch-Sewing-Machine
TY-3500