USED 1984 MITSUI SEIKI MSG-250H-2AH

1984 Mitsui 8" x 18" Hi-Precision Hydraulic Surface GrinderModel MSG-250H-2AH | S/N 84083C47 | 2-Axis Auto | DRO & Magnetic ChuckOverviewThe Mitsui MSG-250H-2AH is world-renowned for its "silky" table movement and "tenth-splitting" accuracy. This 1984 model features the desirable 2-axis hydraulic automatic system, providing smooth, shockless table reversals and incremental cross-feeds.Equipped with a 2-Axis Digital Readout for high-precision positioning and a Fine-Pole Magnetic Chuck, this machine is ready for immediate toolroom production. Unlike standard grinders, the Mitsui utilizes a unique linear ball slide system that eliminates "stick-slip," ensuring that even the smallest handwheel adjustments result in precise metal removal.Technical SpecificationsYear of Manufacture: 1984Working Surface of Table: 8" x 19"Max Grinding Capacity: 9.5" x 20"Distance Table to Spindle Center: 22.5" (High Column Model)Longitudinal Travel (Hydraulic): 20"Cross Travel (Automatic): 9.5"Vertical resolution: 0.0001" (Graduated Handwheel)Spindle Motor: 1 HP, 230/460V, 3-PhaseSpindle Speed: 3,450 RPMMachine Weight: Approx. 3,490 lbsKey Features & Included Accessories2-Axis Digital Readout (DRO): High-resolution display for X and Y axes, allowing the operator to track table and cross-slide positions with extreme precision.Fine-Pole Magnetic Chuck: Ideal for holding both large plates and small, delicate workpieces securely without distortion. Includes [Insert: Manual or Electromagnetic] controller.Linear Ball Slide Ways: Mitsui’s signature table design provides nearly frictionless movement, allowing for effortless manual operation and superior surface finishes.2-Axis Automatic Feed: Fully adjustable hydraulic longitudinal travel and automatic cross-feed increments for consistent, unattended grinding passes.High Column Clearance: The "High-Tec" design offers 22.5" of vertical space, accommodating tall workpieces and indexing heads that standard 618/818 grinders cannot clear.

Capacity: 8" x 18"
* Vertical resolution: 0.0001" (Graduated Handwheel)
* Spindle Speed: 3,450 RPM
* Machine Weight: Approx. 3,490 lbs
* Max Grinding Capacity: 9.5" x 20"
* Longitudinal Travel (Hydraulic): 20"
* Spindle Motor: 1 HP, 230/460V, 3-Phase
* Cross Travel (Automatic): 9.5"