Grinding Machines Cylinder Block Grinding Machines 700rpm high velocity milling plus step-less speed regulation feederequal highsmooth surface of making (suitable for aluminum alloy cover or east iron cylinder body). 1400rpm high velocity grinding plus ultraprecision feeder plus cooling liquid equal satisfactory result. (suitable for nodular castion) Intuitive adjusting velocity, accurate feeding by hands operated complete appendages, you will love them.name model 3M 9735B * 130 Max length of processing 1300mm Max width of processing 350mm Max height of processing 800mm The vertical moving distance of grinding wheel plate 60mm The vertical moving distance of grinding wheel head 800mm Moving speed of working table 40 -900mm /min Dimensions of working table 1300 * 500