Internal Grinder JHI-150 NC Machine features: Hanna-meter high use of the body by burning cast iron stew to deal with precision, durable and ergonomically designed, easy to operate, high precision. Internal Grinder. Automatic grinding, coarse grinding, finishing, fine grinding, grinding cycle took no action, high-precision, easy to operate, to increase production, suitable for mass production and a small amount of diversity. Spindle drive to adopt the first-class high-precision roller bearings, high precision and high rigidity, quiet rotation, rotation and 10 degrees, 10 degrees, the slope for large parts of the ground. Internal Grinder. UP performed using axes and linear roller-Servo motor-driven slide with, can shift rapidly and accurately positioning blind hole grinding, face grinding, grinding taper, and other automatic functions. Ruggedly constructed throughout for outstanding rigidity and stability. Scientific rib reinforcement on the base structure for increased internal grinding machine rigidity and deformation-free performance.