UN657 Sleeve setting sewing machine

Oil-free structure of the whole machine
Min. stitch length adjustment value: 0.1mm
Left sleeve setting can be automatically imaged from the right
Over 100 setting programs storable
30 Ruffling values provided
Thread tension program control
Two different setting programs connecting realizable
Soft belt feeding, material friendly
The main belt and the auxiliary belt are driven by 2 stepping motor to realize thespeed of the auxiliary one adjustable to reach a more precise ruffling and easier operation
Whole sewing procedure is computer-controlled
The procedure can be separated into several sewing segments with different ruffling setups
Switching to next segment is controlled both automatically and manual with ruffling value displayed
Ruffling value can be modified by foot pedal during sewing procedure

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