Top Seller
8" Width 20" Length Sharp
Location:
Harrison, NJ
Price:
$27,150 USD
Manufacturer:
Sharp
Model:
SG-820 3A
Grinding Length:
21.7"
Weight:
2,640 lbs.

Specifications

Condition:
new
Stock number:
136871
D model:
SG-820 3A **MADE IN TAIWAN**
Age info:
NEW
Spark out:
0 - 9 passes
Rapid feed:
1.1 - 11.8 IPM
Spindle motor:
2 hp (220v or 440v 3ph /60 cycle)
Spindle speed:
3,420 RPM
Hydraulic feed:
3.3 - 82 FPM
Intermittent feed:
0.006 - 0.4" IPM
Motor (hydraulic):
1 hp
Grinding wheel bore:
1.25"
Total stock removal:
0.00004 - 39.3"
Grinding wheel width:
0.5"
Maximum cross travel:
9.25"
Maximum grinding width:
8.7"
Feed rate (coarse/fine):
0.00004 - 0.004"
Fine feed stock removal:
0.00004 - 0.0016"
Floor space (w x h x l):
83 x 59 x 78"
Maximum grinding length:
21.7"
Working surface (w x l):
8 x 20"
Graduation of hand wheel:
0.0005"
Hand feed per revolution:
2.7"
Continuous transverse feed:
47.2 IPM
Graduation of hand wheel 2:
0.0001"
Hand feed per revolution 2:
.02"
Hand feed per revolution 3:
0.05"
Net weight (approximately):
2,640 lbs.
Maximum longitudinal travel:
23.6"
Grinding wheel outside diameter:
8"

Description

NEW SHARP 8" X 20" 3-AXIS PRECISION SURFACE GRINDER
d MODEL: SG-820 3A **MADE IN TAIWAN**
CAPACITY
Maximum grinding length: 21.7"
Maximum grinding width: 8.7"
Maximum distance: table to spindle center: 15.7"
d
TABLE
Working Surface (W x L): 8 x 20"
Maximum longitudinal travel: 23.6"
Maximum cross travel: 9.25"
d
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
d
AUTOMATIC DOWN FEED SYSTEM
Feed rate (coarse/fine): 0.00004 - 0.004"
Total stock removal: 0.00004 - 39.3"
Fine feed stock removal: 0.00004 - 0.0016"
Spark out: 0 - 9 passes
Automatic Return to Zero
Traverse and Plunge Grinding Auto Cycles
d
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"
d
GENERAL
Motor (hydraulic): 1 hp
Floor space (W x H x L): 83 x 59 x 78"
Net weight (approximately): 2,640 lbs.
d
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
STANDARD EQUIPMENT:
Grinding Wheel
Wheel adapter
Work light
Balancing arbor
Diamond dresser
Tool kit
d
OPTIONAL (EXTRA COST) ACCESSORIES
Permanent magnetic chuck - coarse or fine pole (Kanetsu)
Electro-magnetic chuck with control (Kanetsu or Walker)
Spare wheel adaptor
Coolant systems with or without paper filtration
Dust collector
Parallel dresser
Wheel Balancing stand
Splash Guards for coolant
Digital readout system (Sony, Acu-Rite or Newall available)
10" x 3/4" Grinding Wheel (With Inverter Spindle Drive)