... engraving, non-metallic materials, and jade crafts engraving CNC engraving and cutting machine XJ1212Features1.Integrated optimied design and high quality aluminum ... cooling spindle without brush is of lower noise,Strong cutting strength and realize a long time mass processing.5 ... , copper, aluminum. iron, plastic and wood etc. Parameters: Model XJ-1212(1200x1200)Spindle motor 1.5KW, 2. 2kw inverter ...