... designed by experts, very stable, not easily deformed; use of high-power servo main motor, part of the ... design, the maximum speed of 850 rev / min; use of New subdivision, X, Y are pairs of ... stepper motors, with a new straight-line guide roll drive, job stability, greatly improve work efficiency; this ... the vibrating and noise.It provides 3.5 inch disk drive, USB port, which can read the pattern format ...