... . cast iron frame 2. operating system is DSP 3. square rails on Y structure 4. plywooden case Fastrack CNC Router JCG4040Features :1 ... easy to make the tool positioning .Application :The precision processing on acrylic, PVC, wood, ACP, plastic and etc,widely applied ... on signs,nameplates,chest plates, seals, Architects' models,arts and crafts, ...