273A HEALD "UNIVERSAL" INTERNAL GRINDER

#273A HEALD "UNIVERSAL" INTERNAL GRINDER

Model 273A, Serial No 41456, Series "UNIVERSAL"

EQUIPPED WITH:

Face Grinding Attachment (4-Position Turret Type)

SWING-AWAY Dresser

38000 RPM Cincinnati-Milacron/Heald

"Red-Head" Grinding Spindle (S/N 120815(

12" 4-Jaw Chuck w/Jaws

Coolant System (Tank & Pump)

CATALOG SPECIFICATIONS:

Swing Over Table, Workhead Parallel 24.5"

Swing Inside Coolant Splash Guard 20"

Swing w/Workhead @ 90-Degrees 13"

Bore Length Ground, Maximum 16"

Grinding Stroke, Minimum .125"

Grinding Stroke, Maximum 16"

Table Longitudinal Travel 20"

Wheelhead Cross-Slide Travel 1.5"

Workhead-Slide Travel, Positioning 17.5"

Workhead Swivel Angle, Maximum 90-DEGREES

Workhead Spindle Speeds, Range 0 to 500 RPM

Internal Grinding Spindle Speeds 17500 RPM

Grinding Table Speeds, Infinite 0 to 18 FPM

Power Rapid Table Traverse 18 FPM

Grinding Spindle Motor, Horsepower 5 HP/3500 RPM

Workhead Chuck Motor, Horsepower 1.5 HP

Workhead Chuck Motor, RPM 0 to 3600 RPM

Electrical System 220-440/3/60

Overall Dimensions, W x D 8'0" x 7'7"

Weight, Approximately 6200 LBS

OPERATION: With the FACE GRINDING Attachment this

Machine is in Effect THREE MACHINES-IN-ONE...

1) INTERNAL Grinder

2) EXTERNAL Grinder

3) FACE or ROTARY SURFACE Grinder

F.O.B. OUR WAREHOUSE