Description

MITSUI 8" x 18" 3-AXIS AUTOMATIC SURFACE GRINDER WITH INCREMENTAL AUTOMATIC DOWNFEED MODEL 250H-2H 1983 REBUILT

AML Stock #002496

8 in x 18 in Mitsui 3-Axis Automatic Surface Grinder, Model 250H-2H, S/N 8301188,

New 1983 Rebuilt By Factory trained Technicians; Low hours since rebuild.

SPECIFICATIONS:

Working Surface of Table.............................................8 in x 18 in
Surface Ground - Maximum.........................................9-1/2" x 20"
Distance between Table Surface & Spindle Center - Maximum.............22-1/2"
Range - Longitudinal......................................................20"
Range - Cross (Automatic)..............................................9-1/2"
Range - Cross (Manual)....................................................10"
Range - Vertical..........................................................16"
Longitudinal Feeds - Infinitely Variable...........................5 - 68 FPM
Auto Cross feed to Table per Stroke..........................0.02" - 0.05" IPM
Auto Vertical Feed Increments, Ten Steps......................0.0001" - .001"
Rapid Cross feed Rate...............................................2 - 17 IPM
Elevating Handwheel Graduations.......................................0.0002"
Cross feed Handwheel Graduations.......................................0.0008"
Cross feed Vernier.....................................................0.0001"
Approximate Weight.................................................3,490 Lbs.

EQUIPPED WITH:
Automatic Incremental Down feed of Grinding Wheel (Surface & Plunge)

8 in x 18 in Walker Magnetic Chuck

Coolant System with Magnetic Separator
Hydraulic Longitudinal & Power Cross feeds
Hardened & Ground Ways (Removable) on Table, Carriage/Saddle & Column
Over the Wheel Diamond Dresser
Automatic One Shot Lubrication System
10" x 3/4" x 1-1/4" Grinding Wheel
1.5 kW/3/60/200-220 Volt Super-Precision Spindle Drive

Cast Iron Leveling Pads

Excellent Condition