High Speed Computerized Flat-bed Interlock Machine
The upper thread trimmer and thread catcher work at the same time.
Using the machine it will teach you the various functions itself, if there are errors it will notify you and by clicking the VOICE button it will suggest how to solve the problem, furthermore with a single key you can return to the initial settings.
The speed of the W4S is 5,500 rpm, compared to the 3,700 rpm of a normal machine with cover, the efficiency increases more than 50%.