SPECIFICATIONS:
1A:
Longitudinal Hydraulic.
2A:
Longitudinal Hydraulic And Crossfeed
Motorized.
3A:
Longitudinal Hydraulic, Crossfeed Motorized And Rapid
Up/Down Motorized.
ASD:
Fully Automatic In 3 Axis (X. Y. Z.) With Stepping Motor For Downfeed, And AC
Motor For Rapid Up/Down.
MODEL |
ESG-3A818 |
|
Table Size |
203x460mm(8x18") |
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Max.grinding
length |
Longitudinal |
480mm(19") |
Max.grinding width |
Crosswise |
228mm(9") |
Max. distance
from table surface to spindle centerline |
460mm(18") |
|
Stadard magnetic chuck size |
200x450mm(8x18") |
|
Longitudinal
movement of table |
Max. travel, hydraulic |
480mm(19") |
Max. travel, manual |
510mm(20") |
|
Max. travel,infinitely
variable |
60HZ,5-25m/min,50HZ,5-20m/min |
|
Cross
transverse travel |
Auto
transverse increment |
1-10mm(0.04"-0.4") |
Max. auto
transverse travel |
235mm(9 1/4") |
|
Max. manual
transverse travel |
250mm(9 3/4") |
|
Handwheel per revolution |
5mm(0.2") |
|
Handwheel per graduation |
0.02mm(0.0005") |
|
Sheelhead vertical infeed |
Automatic infeed |
manual rapid up/down |
Step feed
(jog) |
0.001mm(0.00005") |
|
Rapid travel,
Approx |
250mm/min |
|
Slow travel,
Approx |
6mm/min |
|
Handwheel revolution |
1mm(0.05") |
|
Handwheel graduation |
0.005mm(0.0001") |
|
Grinding spidle drive |
Speed |
60HZ,3450 R.P.M.; / 50HZ,2850 R.P.M. |
Power rating |
2.0HP |
|
Standard grinding
wheel |
Diameter |
203MM(8") |
Width |
12.7mm(1/2"),MAX.
19mm(3/4") |
|
Bore |
31.75mm(1 1/4") |
|
Hydraulic
motor |
Power rating |
1HPx6P |
Crossfeed motor |
Power rating |
40Wx6P |
Elevating
motor |
Power rating |
40Wx6P |
Floor space |
Total space
required |
1810x1285x1680mm(71"x50 1/2"x66") |
Weights |
Net weight,
Approx. |
1205KGS(2651LBS) |
Gross weight,
Approx. |
1375KGS(3025LBS) |
|
Rated power,
Approx |
|
3.0HP |
Packing
dimensions |
L x W x H |
1890x1630x1930mm(75"x64"x76") |
NOTE:
The manufacturer reserves the right to modify the design, specifications,
mechanisms, etc., to improve the performances of the machine without notice.
All the specifications shown above are just for reference.
GENERAL FEATURES:
1. High
Precision Cartridge Wheel Spindle:
High
precision cartridge type spindle is supported by two preloaded precision
angular contact ball bearings & one NN type Roller bearing and driven by V3
class motor that allow high accurate grinding performance. (618/818 series are
driven by 2.0HP motor.)
2. High
Anti-Wear Guide Ways:
The
saddle rests on precision hand-scraped double V ways, and the table rests on
precision hand-scraped V and flat ways which coated with "TURCITE-B".
These guide ways are equipped with auto lubrication to resist wear of guide
ways, plus lasting accuracy and damping.
3. High
Rigid Casting Construction:
Machines
are casted with high grade casting iron with heavy walls and reinforced ribs to
provide excellent rigidity and damping.
4. Enlarged
Column And Base:
Enlarged
column and base create high stability and rigidity. The height of column is
increased up to 18" (460mm) from table surface to the center line of
spindle.
5. Auto
Lube System:
Automatic
lubrication system is applied as standard to ensure sufficient lubrication at
lead-screws and guide-ways for more longevity.
6. Longitudinal
& Cross Drive:
For
all models, except 618 & 818 handfeed, the
longitudinal movement is driven by hydraulic system; for 2A, 3A, ASD series,
the cross movement is driven by motor for more accurate increment feeding.
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OPTIONAL
ACCESSORES:
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STANDARD ACCESSORIES:
1. Tool box with tools |
6. Wheel flange |
2. Wheel extract screw & nut |
7. Touch-up paint |
3. Balancing arbor |
8. Auto lubrication system |
4. Levelling screw with blocks |
9. Diamond dresser |
5. Grinding Wheel |
10. Crossfed Ballscrew |