Product Name: M2120A Internal Grinding Machine Tool Model NO.: M2120A Condition: New Certification: CE, ISO 9001 Precision: High Precision Cylindrical Grinder Type: Internal Grinder Automatic Grade: Automatic Controlling Mode: Artificial Abrasives: Grinding Wheel Processing Object: ?50-200mm Internal Grinding Type: Internal Grinding Machine Roundness of Internal Hole: 3um Cylindricity of Internal Hole: 5um Surface Roughness of Internal Hole: Ra0.63um Weight of Machine Tool: 3400kg Grinding Diameter Scope: 50-200mm Max.Grinding Depth: 200mm Total Power of Machine Tools: 8.6kw Trademark: CHANGYI Transport Package: Waterproof Film Wrapped, Wooden Case Package Specification: 3100x2120x1320mm Origin: Wuxi, China HS Code: 8460292 Product Description * Main characteristics of this machine tools* Feed and compensation of machine tools executed by two non-interference drive mechanisms. The feed system has the function of fixed-stroke grinding and adopts manual or hydraulic feed method.* The machine tool is equipped with fast hopping mechanism. Therefore, the tool does not need to be adjusted after the grinding wheel is withdrawn for measurement or dressing.* The work table is started by hydraulic switch valve to ensure instant security during assembly and disassembly of work piece.* In case of a special order, the machine tool can be equipped with high-speed grinding wheel spindle of 1800 r/min to adopt to the grinding requirement of 20-50mm hole.