Okamoto Accugar 124N 12″ x 24″ Automatic Hydraulic Surface Grinder

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Okamoto Accugar 124N Surface Grinder

SPECIFICATIONS:
Maximum Grinding Length and Width: 24″ x 12″
Maximum Vertical Clearance Under 12″ Wheel: 13.7″
Maximum Weight of Workpiece: 930 Lbs.
Table Size: 23.7″ x 11.8″
Maximum Longitudinal Travel: 29.5″
Maximum Cross Travel: 13.6″
Hydraulic Feed of Table – Longitudinal: 1.0 to 100 RPM
Hand Feed Per Revolution of Handwheel: 1.85″

Cross Movement of Table
Hydraulic Intermittent Feed: 0.02″ to 0.8″
Hydraulic Continuous Feed: 4 to 40″/Min.
Hand Feed Per Revolution Handwheel: .25″
Graduations of Handwheel: .001″

Vertical Movement of Wheelhead
Automatic Feed Per Table Stroke: .0001″ to .0015″
Hand Feed Per Revolution of Handwheel: .05″
Power Elevation On Grinding Wheel
Grinding Wheel: 12″ x 1.5″ x 5″
Grinding Wheel Speed: 1,800 RPM

12″ x 24″ Electro-Magnetic Chuck
Walker Chuck Control

Weight: Approx. 5,000lbs
Dimensions: 88″ x 66″ x 77″ Height

Boyar Schultz 8″ X 18″ Hydraulic Surface Grinder

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8″ X 18″ BOYAR SCHULTZ SURFACE GRINDER
W/AUTOMATIC INCREMENTAL DOWNFEED

MODEL: 3A818
SERIAL NUMBER: 818-20796-3A

WIDTH& LENGTH GROUND …………………8″ X 18″
MAX. HEIGHT UNDER 7″ WHEEL TO TABLE ……….. 13″
LONGITUDINAL TABLE TRAVEL ………………… 21″
LONGITUDINAL TABLE SPEED ………….. 0 TO 70 FPM
CROSS FEED TRAVEL …………………….. 9-1/4″
AUTOMATIC CROSS FEED INCREMENT ………. 0 TO 3/8″
WHEEL DRESS ………………….. MANUAL OR 0-80″
CROSS FEED HANDWHEEL ………………….. 0.001″
AUTO INCREMENTAL DOWNFEED (5 STEPS) .. 0.0001″ – .002″
TOTAL AUTO DOWNFEED RANGE ……………… 0.001″
VERTICAL HANDWHEEL …………………… 0.0001″
GRINDING WHEEL DIAMETER ………………….. 8″
APPROX. MACHINE WEIGHT …………….. 2,450 Lbs.

EQUIPPED WITH:
AUTOMATIC INCREMENTAL DOWNFEED (SURFACE & PLUNGE CYCLES)
NUMBER OF SPARKOUT PASSES IS PRE-SELECTABLE
POWER RAPID WHEELHEAD POSITIONING
HYDRAULIC LONGITUDINAL & CROSS FEEDS
1 H.P. BOYAR SCHULTZ SUPER-PRECISION DIRECT DRIVE
SPINDLE, 3450 RPM
HARD STEEL WAYS
CROSS FEED LOCK
AUTOMATIC LUBRICATOR TO ENSURE THAT WAYS, SCREWS,
AND ALL WEAR PARTS ARE PROPERLY OILED.
SELF-CONTAINED HYDRAULICS SYSTEM
8″ x 18″ CHUCK
3/60/230-460 VOLT ELECTRICS
MACHINE IS PRESENTLY WIRED FOR 3/60/460 VOLTS

Heald 25-A Horizontal Spindle Rotary Surface Grinder

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Heald 25A Horizontal Spindle Rotary Surface Grinder

SPECIFICATIONS:
Chuck Size: 24 7/8″
Chuck Speeds: 25,37,49,74 RPM
Swing Inside of Guard: 26 3/4″
Wheel Size: 14″ Min – 18″ Max x 2″ x 8″ Bore
Wheel Speed: 1285 RPM
Distance from Top of Chuck to Wheel Center: Max 13 1/4″ / Min 7″
Max Angle: Convex 15 deg / Concave 5 deg
Wheel Motor: 10 HP

Machine Dimensions: 84 1/2″ x 65″
Machine Weight: 8580 LBS.

Heald 261 Horizontal Spindle Rotary Surface Grinder

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Heald 261 Horizontal Spindle Rotary Surface Grinder

Serial Number: 47718

Specifications:
Table Magnetic Size: 17″
Swing Inside Pan: 18 1/2″
Wheel Size: 14″ x 1″ x 5″
Spindle Drive: 15 HP
Distance Top of Chuck To Center Of Grinding Wheel: 17 1/2″
Max & 4 1/2″ Min
Table Travel: 12″
Grinding Stroke: 8″
Max Angle Convex: 17 deg & Max Angle Concave: 10 deg
Chuck Speed: 50 to 225 RPM
Wheel Speed: 1680 RPM
Table Speed Grinding: 0 to 35 FPM
Table Speed Runout: 0 to 20 FPM
Power Feed Adjustment: .0001 to .0006 By .0001
Lubrication System
Coolant Tank & Pump w/ Paper Filtration

2 Axis DRO

460/60/3 Electrics