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3 Axis Fully Automatic Surface Grinder
This ad is maintained in a searchable database. This ad may have been modified or even deleted since this page was posted. To see the current ad with all of the details, please go here.
20" x 8" hyd. w/ programmable down feed
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Ad Number: 12949
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Year: 2004 | Make: Sharp | Model: SG820-3A
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| Machine Type: | Condition: Good | Price: sold
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Description:
Sharp SG820-3A w/auto prog. downfeed
8 x 20 electro mag chuck
Max Peripherial Speed of Wheel 6560SFM
Electro magnetic std pole chuck
Table/chuck Size-20"x8"
Controler- 1 Axis NC System ST-1
Electrical:220-3 Phase -60 HZ
3 Horsepower
paper filter coolant system
specs bebelow:
Advanced Numerical Control system for spindle downfeed allows easy datas input for stock removal and feed selections
Auto grinding cycles can be set for regular traverse or plunge grinding, with spindle downfeed on either side of the table
Downfeed consists of coarse feed, fine feed and 0-9 spark out passes
Auto return feature will either notify the user and prepare for the next part or return the table and spindle to a preset position and shut the machine down
Base, column, table and saddle castings made from Meehanite for strength and rigidity
Turcite coated double V ways on the saddle are hand scraped
Turcite coated flat and V way for the table are hand scraped
Cartridge type spindle with high precision AEBC 7 bearings
Saddle locking system for accurate slot grinding
Precision cross feed ballscrew
Working surface - 8 x 20"
Approx. floor space - 83L x 59W x 78"H
Standard Accessories:
Advanced NC downfeed system
Kanetsu Electro-magnetic chuck with control
Coolant system (approx. 25 gal) with paper filter and splash guards
Automatic lubrication system
Hydraulic system with independent tank for vibration free table movement
Hydraulic table stroke setting
Grinding wheel and wheel flange
Work light
Specifications: SG820-3A
Chuck size W x L 8 x 20"
Max. from spindle(center) to table top 15.7"
Max. longitudinal travel 23.6"
Max. cross travel 9.25"
Hydraulic feed 3.3-82 fpm
Handfeed per revolution 0.2"
Continuous traverse feed 0.006-0.4"
Grad. of handwheel 0.0005"
Rapid feed 47 ipm
Feed rate 0.00004-0.004"
Max. total down feed amt.in 1 setting 9.99"
Spark out 0-9 passes
Spindle drive motor 2 HP
Wheel diameter 8"
Wheel width 0.875"
Wheel bore 1-1/4"
Hydraulic motor 1 HP
Weight (approx.) 2,640 lbs
machine list price new: $27,150.00 |
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