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GRINDERS, VERTICAL, UNIVERSAL, (INTERNAL/EXTERNAL)

No. 1BC Springfield, 12" 3-Jaw, 23" max. swing, 14" stroke, DRO for cross travel, 1974

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No. 1BC Springfield, 12" 3-Jaw, 23" max. swing, 14" stroke, DRO for cross travel, 1974
18" Springfield Model 1BC Crown Type Vertical Spindle Grinder

S/N: 74031                  New: 1974

EQUIPPED WITH:
12" 3-Jaw Chuck. Acu-Rite Single Axis DRO for Cross Travel. Cartridge Type Spindle. Swiveling Spindle With Angular Setting Device. Variable Speed Oscillation. Adjustable Angle Dressing Attachment. Traverse & Feed Stops. Controls For Top & Bottom Dwell. Dwell Timer. Impulse Feed On/Off. Impulse Variable Speed. Face Feed Downfeed Handwheel. Crossfeed Handwheel. Coolant Pump & Tank.

SPECIFICATIONS:
Spindle nose 6" A2 ASA
Swing, maximum 23"
Work table diameter (available) 18"
Spindle Speed (Infinitely Variable) 2-325 RPM
WHEEL SPINDLE AND GRINDING HEAD      
Nominal hole depth that can be ground 12"
Grinding head stroke 14"
Clearance over optional work table 13"
Automatic cross feed, incremental,
either end of stroke .0002"-.003" on dia.
Dwell - at either end of stroke .5 - 15 sec
Angle setting on head 0° - 30°
Cross slide rapid traverse rate 26 IPM
Vertical slide rapid traverse & reciprocation rate 120 IPM
Wheel spindle motor 5 HP
Hydraulic system motor 3 HP
Work spindle motor (DC) 1 HP
Coolant system motor 1/4 HP
Net weight, approximate 7,500 lbs
Floor dimensions, approximate 76" x 89" x 107"H

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