... + high-precision rack 2,Stepper motor 450B+leadshire MA860H driver CNC router Features:1, Multi-spindle carving: the sample patterns can be ... or three devices, and good product consistency,high quality.2, Single-spindle carving: In some cases, little processing capacity or ... large parts, a spindle can be moved to the side, single-spindle work independently, makes the human design, effective and ...