Cincinnati No. 2 Centerless Grinding Machine Service Manual

Service manual for the Cincinnati No. 2 Centerless Grinding Machine—a comprehensive workshop reference for operating, maintaining, and troubleshooting this precision grinding equipment. The manual spans 85 pages and covers general operating principles alongside practical setup and adjustment procedures essential for consistent performance. Detailed instruction sections address grinding wheel balancing, coolant selection and mixing, diamond dressing tool specifications, wheel marking systems, and recommendations for matching wheel selection to specific grinding tasks. The work blade section explains selection criteria and precise setting procedures for both standard and specialized applications. Setup guidance includes infeed and roller infeed work rest configuration, non-metallic bar grinding fixtures, race grinding fixtures, long bar fixtures, and thrusted work rests, along with traverse rate calculations for different workpiece types. Installation and lubrication specifications provide step-by-step setup instructions and complete lubrication charts for all machine components. The troubleshooting and maintenance section addresses common grinding issues—chatter marks, faulty part sizing, low center problems, scratches and surface defects, vibration, wheel breakage, wheel loading, work straightening, and roundness issues—with diagnostic guidance and corrective procedures for each. Additional technical content includes setup data notes and principal fastener dimensions for reference during assembly or repair. The parts list section details components for the automatic infeed attachment, work ejector, bed unit, grinding wheel truing and profiling attachment, and infeed work rests, supporting identification and ordering of replacement parts.