Springfield 3 1/2 Rail Type Vertical Universal ID Grinder

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Springfield 3 1/2 Rail Type Vertical Universal ID Internal Grinder

Springfield 3 1/2 Rail Type Vert Universal Grinder

Serial Number: 74075

Single Universal Spindle – 36″ Stroke
48″ of Vertical Travel
62″ Slotted Table
72″ Swing inside of Guards
Table speeds from 1 to 180 RPM
Table load capacity: 10,000#
Elevating rail travel: 36″
Rail to table: 12″ min., 48″ max.
Grinding slide swivels: 45 degrees in either direction Grinding slide cross
travel: 78″
Machine equipped with:
Dresser attachment
Grinding spindle, 33″long
10 HP Spindle Motor
Pendant Control
Coolant
Power clamping on rail
Pendant control
Dimensions: FB X RL – 120″ X 142″
Height: 175″
Est. weight: 50,000#

Work Preformed by Bourn & Koch
The following work was completed in 2013:

–       New ball screws and grinding spindle motor
–       In-field rebuild of the slide
–       Repair of leaking cylinders

In total, there was about $50K worth of parts and service put into the machine from 2007-2013
The machine has never ran any jobs since being put back on-line in 2013.

Heald 273A Internal Universal Grinder 12″ Extended Base

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(1) USED HEALD 273A UNIVERSAL INTERNAL GRINDER

Model: 273A
Serial Number: 45289

SPECIFICATIONS:
Swing over table: 28.5″″
Hole length ground: 16”
Max Table Travel: 20”
Hole diamter ground: 18”
Included angle taper: 180 Degrees
Grinding speed: 0 – 18 FPM
Workhead Speed: 0 – 500 RPM ( Variable ) – NEW Baldor Reliance Drive & Motor 2020
Crossfeed Increments: .0001” – .0005”

EQUIPPED WITH:
12″ Extended Base
4″ Factory Riser Blocks to Achieve Larger Swing
5″ Hole Through Workhead
Red Head Spindle
Chuck
4 position stop
Dresser
Plunge Cycle
Hydrostatic ways
Cross sliding workhead
Sine bar attachment
Coolant Tank & Pump
440/3/60

New Screw & Nut installed in Feed Box 10/2020