... copper/aluminum at a time.3. High speed motor and driver,and the Y axis drived by double motors has faster ... sign,scutcheon making,acrylic,copper,aluminum,plastic board,wooden board and other non-metal models.Suitale materials:double-color plate, ... board,insulation board,wood,artificial marble,oxhorn,crystal,copper,aluminum,stone and so on.Technical parameter: Model ZMD1325 Working area 1300X2500X160( ...