For sale: Used Sharp SG820-2A 2-Axis Automatic Surface Grinder. Max grinding length 21.7", width 8.7". Features 2 HP spindle motor, automatic cross feed, hydraulic systems. Compact design: 83x59x78", 2,550 lbs. Ideal for precise grinding needs.
| Table-W | 8" | 203.2 mm |
| Table-L | 20" | 508 mm |
| Power | 2 hp | 1.5 kW |
| Grinding Wheel Width | 0.5" | 12.7 mm |
| Grinding Wheel Dia. | 8" | 203.2 mm |
| Dimensions | 83 x 59 x 78 | 83 x 59 x 78 |
| Weight | 2550 | 2550 |
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
