Top Seller
SHARP SG-820-3A 8" x 20"
Location:
Port Orange, FL
Model:
SG-820-3A
Weight:
2,600 lbs.

Specifications

Condition:
new
Stock number:
SG-820-3A
Table:
Working surface (W x L) 8" x 20"
General:
Hydraulic motor 1 HP
Capacity:
Maximum grinding length 21.7"
Warranty:
1 YEAR
Hand feed:
2.7 ft./rev
Spark out:
0-9 passes
Rapid feed:
1.1 – 11.8 ins/min
Hand feed 2:
0.2 in/rev
Spindle speed:
3,420 RPM
Spindle and wheel:
Spindle motor 2 HP
Grinding wheel bore:
1.25"
Total stock removal:
0.0000 – 39.3”
Automatic down feeed:
Feed rate (coarse/fine) 0.00004-0.004”
Grinding wheel width:
0.5"
Maximum cross travel:
9.25"
Maximum grinding width:
8.7"
Fine feed stock removal:
0.00004”-0.0016”
Floor space (w x h x l):
83" x 59" x 78"
Graduation of hand wheel:
0.0005”
Continuous transverse feed:
47.2 in/min
Graduation of hand wheel 2:
0.0001”
Net weight (approximately):
2,600 lbs.
Maximum longitudinal travel:
23.6"
Feed - cross movement of table:
Intermittent feed 0.006-0.4”
Grinding wheel outside diameter:
8"
Vertical movement of wheel head:
Hand feed 0.05 in/rev
Feed - longitudinal movement of table:
Hydraulic feed 3.3-82 ft/min
Max distance: table to spindle center:
15.7"
Subcategory:
Grinders
Subcategory 2:
Surface -

Description

ITEM: 8" x 20" Automatic Surface Grinder with NC
MAKE: SHARP®
MODEL: SG-820-3A
Product Features
Auto infeed (Y), auto longitudinal feed (X) Manual downfeed (Z), ball screw on Y axis
Double V ways for cross travel, one V one flat way for longitudinal travel
Slide ways are hand scraped and coated with TURCITE B
Automatic cross feed
Automatic down feed with numerical control (Model SG820-3A only)
Accurate slot grinding using saddle locking system and ball screw cross feed
Advanced hydraulic system with independent oil tank for vibration free table
Automatic lubrication system
Hydraulic table stroke setting
STANDARD EQUIPMENT
Grinding wheel (8” x 1.25” x 0.75”)
Wheel adapter/flange
Auto lube system
Coolant system (12 gal.)
Work light
Balance arbor
Diamond dresser
Tool kit
Options/Accessories
CALL FOR PRICE
Grinding wheel (10” x 1.25” x 0.75”) with vari-speed wheel control
8” x 20” electro magnetic chuck
8” x 20” fine pole electro magnetic chuck
Parallel dresser (overhead)
Balance stand
Extra wheel adapter/flange
Coolant system (12 gal) with splashguard
Dust collector
Coolant system (25 gal.) with paper filter
Coolant system (25 gal.) with paper filter and magnetic separator
Digital Readout System