ONE PRE-OWNED 18” SPRINGFIELD CROWN-TYPE INTERNAL/EXTERNAL VERTICAL SPINDLE UNIVERSAL GRINDER, MODEL 1B-TR, NEW IN 1966
SPECIFICATIONS:
Nominal Swing 18”
Maximum Swing 23”
Face Plate Diameter 16”
Hole Depth Capacity, Nominal 12”
Stroke of Grinding Head, Maximum 14”
Plate Speed Range (RPM) 20 – 240
Grinding Head Stroke, Feed (IPM) 0 – 300
Cross Feed, range (IPS) 0.0001 to 0.020
Tarry Period, Seconds 0.6 to 12
Maximum Clearance over Face Plate 24”
Grinding Wheel spindle Motor 5 HP/3450 RPM
Overall Dimensions, L x W 6’7” x 3’7”
Overall Height 8’1”
Weight Approximate 9,600 Lbs.
FANTASTIC SUPER-PRECISION EXTRA:
Hydrostatic Work Table Bearings which proved a super high degree of accuracy for very precise work (The factory advises us that it was accurate to 50 millionths/inch when new, at a cost of $50,000.00 to $60,000.00 for this feature alone).
EQUIPPED WITH:
Five Interchangeable Grinding Spindles
24” Extra Large T-Slotted Work Table w/Riser Block (Standard Table is 18”)
1 – 5 HP 30˚ Swiveling Grinding Head
Wheel Dresser, Manually Operated
2-Hydraulic Systems and coolant System
Sony Single Axis DRO