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surface grinder
Product Description:1. Adopt the exceeding precise class7(P4 level) ball bearing for spindle
2. Hydraulic system of table longitudinal movement.
Grinding Machine/Grinder (M820)
Hydraulic longitudinal, power corss and vertical hand infeeds operation.
All 3 axises are roller bearing slides
Hardened & ground ways (removable) on table, carriage / saddle & column
Cartridge spindle W/ 4 preloaded class 7 (P4) bearing for better workpiece accuracy.
Table, saddle & column move on linear table ways MID-level downfeed handfeel placement for convenient and easy position for Z-axis.
Manual lubrication system
Description
| Technical Parameters |
Unit
|
MY820
|
MYS820
|
|
Max. workpiece to be Ground ( L× W× H)
|
mm
|
520× 220× 490
|
520× 220× 490
|
|
Max. Grinding Length
|
mm
|
530
|
530
|
|
Max. Grinding Width
|
mm
|
220
|
220
|
|
Distance From Table Surface To Spindle Center
|
mm
|
490
|
490
|
|
Slide way
|
|
V-type rail with Steel-ball
|
V-type rail with Steel-ball
|
|
V-type rail with Steel-ball
|
Kg
|
200
|
200
|
|
Table Size (L× W)
|
mm
|
480× 220
|
480× 220
|
|
Number of T -Slot
|
mm× n
|
12× 1
|
12× 1
|
|
Speed OF Working Table
|
m/min
|
3-23
|
3-23
|
|
Cross Feed On Handwheel
|
mm
|
0.02/Graduation2.5/revolution
|
0.02/Graduation2.5/revolution
|
|
Vertical Feed On Handwheel
|
mm
|
0.01/Graduation1.25/revolution
|
0.01/Graduation1.25/revolution
|
|
Wheel Size (dia. × width× bore )
|
mm
|
200× 16× 31.75
|
200× 16× 31.75
|
|
Spindle Speeds
|
50Hz
|
rpm
|
2850
|
2850
|
|
|
0-6000
|
30-6000
|
|
Spindle Motor
|
Kw
|
1.1
|
1.1
|
|
Hydraulic station motor
|
Kw
|
1.5
|
1.5
|
|
Working Pressure
|
Mpa
|
3
|
3
|
|
Max. Capacity
|
L/min
|
18
|
18
|
|
Minimum Of Numerical
|
L
|
80
|
80
|
|
Coolant Pump
|
Kw
|
0.4
|
0.4
|
|
Minimum of Numerical Display
|
mm
|
|
0.001-0.005
|
|
Machine Size (L× W× H)
|
mm
|
1680× 1140× 1800
|
1680× 1140× 1800
|
|
Packing Size (L× W× H)
|
mm
|
1140× 1630× 1960
|
1140× 1630× 1960
|
|
Gross; Net
|
T
|
O. 85; 0.75
|
O. 89; 0.79
|
Dalian Sun Life CNC Machine Tool Co., Ltd.
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