Sharp SG820-2A 2-Axis Automatic Surface Grinder 8" x 20" #6772 #1

Sharp SG820-2A 2-Axis Automatic Surface Grinder 8" x 20" #6772 #1

SPECIFICATIONS:

CAPACITY

Maximum grinding length: 21.7"

Maximum grinding width: 8.7"

Maximum distance: table to spindle center: 15.7"

TABLE

Working Surface (W x L): 8 x 20"

Maximum longitudinal travel: 23.6"

Maximum cross travel: 9.25"

FEED

LONGITUDINAL MOVEMENT OF TABLE

Hydraulic feed: 3.3 - 82 FPM

Hand feed per revolution: 2.7"

CROSS MOVEMENT OF TABLE

Intermittent feed: 0.006 - 0.4" IPM

Continuous transverse feed: 47.2 IPM

Hand feed per revolution: .02"

Graduation of hand wheel: 0.0005"

VERTICAL MOVEMENT OF WHEEL HEAD

Hand feed per revolution: 0.05"

Graduation of hand wheel: 0.0001"

Rapid feed: 1.1 - 11.8 IPM

SPINDLE AND WHEEL

Spindle motor: 2 hp (220v or 440v 3ph /60 cycle)

Spindle speed: 3,420 RPM

Grinding wheel outside diameter: 8"

Grinding wheel bore: 1.25"

Grinding wheel width: 0.5"

GENERAL

Motor (hydraulic): 1 HP

Floor space (W x H x L): 83 x 59 x 78"

Net weight (approximately): 2,550 lbs.

FEATURES

DOUBLE 'V' WAYS FOR CROSS TRAVEL AND ONE 'V', ONE FLAT

WAY FOR LONGITUDINAL TRAVEL-BOTH WAYS ARE HAND-

SCRAPED AND COVERED WITH TURCITE "B" COATING

AUTOMATIC CROSS FEED

ACCURATE SLOT GRINDING ACHIEVED USING SADDLE

LOCKING SYSTEM COMBINED WITH CROSS FEED BALL SCREW

AUTOMATIC LUBRICATION SYSTEM

ADVANCED HYDRAULIC SYSTEM WITH INDEPENDENT OIL TANK

PROVIDES VIBRATION-FREE TABLE MOVEMENT

HYDRAULIC TABLE STROKE SETTING