Top Seller
SHARP OD820S 8" x 20"
Location:
Port Orange, FL
Model:
OD820S
Grinding Length:
2.75"
Weight:
3,500 lbs.

Specifications

Condition:
new
Stock number:
OD820S
Table:
Auto Feed (variable speed) 0 to 21 IPM
Motors:
Wheel Drive 3 HP
General:
Width x Depth 88” x 51” x 78”
Capacity:
Swing over Table 8"
Warranty:
1 YEAR
Tailstock:
Spindle Stroke 1"
Work head:
Spindle Speed (vari-speed) 0 to 520 rpm
Wheel motor:
1/2 HP
Wheel speed:
1,960 rpm
Center taper:
MT #2
Swivel angle:
+7, -13, degrees
Spindle speed:
14,000 rpm
Approx. weight:
3,500 lbs.
Grinding wheel:
OD x Width x ID 14” x 2” x 5”
Taper of center:
5C
Work head drive:
1/4 HP
Wheel headed range:
6.3"
Hydraulic pump drive:
1/4 HP
Max. grinding length:
2.75"
Max grinding diameter:
8"
Distance between center:
20"
Max load between centers:
170 lbs.
Manual feed (per revolution):
3/8"
Manual feed, graduation (dia.):
0.0002”
Manual feed, revolution (dia.):
0.1"
Auto infeed range (s model only):
0.00005” to 9.99”
Internal grinding attachment (opt.):
Grinding Bore Range 0.6” to 2.75”
Swivel towards and away from operator:
45 degrees
Swivel towards and away from operator 2:
8 degrees
Subcategory:
Grinders
Subcategory 2:
Cylindrical

Description

ITEM: 8" x 20" Universal Cylindrical Grinder with CNC
MAKE: SHARP®
MODEL: OD820S
Product Features
Capable of many different grinding operations
Constructed with extra wide, hardened and ground, V way and flat way, the machine is also hand scraped along the entire length of the travel for super accuracy
Total indicator reading of spindle within 50 millionths of an inch
Spindle of wheel head mounted on 2 matched pairs of preloaded high precision angular contact bearings (bearing ID exceeds 2.15”)
Worktable is driven by variable speed inverter motor; table feed rate can be adjusted by simply turning a knob
Work head can swivel 45 degrees each way for taper grinding
Work head is equipped with 5C-lever type collet closure for quick and precise holding of work piece
Table can swivel for taper grinding
Spindle of wheel head has variable speed drive
Wheel head can swivel for edge grinding
Auto lube system lubricates all sliding ways when machine is on
S model has CNC single axis wheel head infeed system driven by servo motor and precision ball screw using touch screen conversational program
STANDARD EQUIPMENT
5C Lever Type Collet Closure
Auto Lube System
Coolant System (12 Gal)
Grinding Wheel with Flange
Wheel Extractor
Carbide Tip Center
Balancing Arbor with Stand
Diamond DresserWired 220V (440V Requires Optional Transformer)
Toolbox & Tools
Options/Accessories
440V Transformer for OD618 & OD820
3-Jaw Chuck (4”) with Back Plate (5C)
4-Jaw Chuck (4”) with Back Plate (5C)
5C Collet Set (1/8” to 1-1/16” by 1/16”)
Back Plate - 5C
Balancing Stand
Coolant System with Paper Filters
Coolant System with Paper Filters and Magnetic Separator (25 gal)
Inside Diameter Grinding Attachment
Spare Wheel Adapter (Flange)
Digital Readout Systems
A swing down Internal Diameter grinding attachment is available for different sizes of ID grinding