Standard features: * X –axis manual and auto electric transmission,Y – axis manualand auto transmission,Z – axis manual transmission. * High rigidity H-frame column with spindle center to table for extra clearance under the wheel. * Enhanced ribbed full cast iron base provides the best anti-vibration foundation with greater stability and rigidity * Enlarged spindle housing for heavier grinding * V3 grade spindle motor for powerful output to achieve prescicion work standards and better grinding capability. * Cartridge spindle w/4 preloaded class 7 (P4) bearing and run our of taper nose better than 0.00060 T.I.R.provides quiet,vibration free operation for better workpiece accuracy. quiet,vibration free operation for better workpiece accuracy. * MD618: roller steel balls on linear table ways for easy and smooth longitudinal movements and "V+Flat” shape saddle ways for rigidity. * MD820: roller steel balls on linear table ways for easy and smooth longitudinal movements and double V shape saddle ways for rigidity. Standard Appendix: (1) tool box (2) balancing stand and bar (3) handwheel nut (4)flange wrench (5) screwdriver (6)Balancing screw (7)open-end wrench (8)inner hexagon spanner (9) wheel dresser holder (10) machine stand pad (11) wheel flange (12) wheel dresser (13) chuck Optional accessories: (1)tiltable permanent chuck (2) demagnetizer (3) overhead parallel dresser (4) angle dresser (5) radius dresser (6) precision vice (7) dust suction device (8)digital readout system (9) working light (10)wheel flange
| Технические характеристики: | |||||||||
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Main specifications
|
unit
|
MD820
|
MD618A
|
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Max.workpiece to be Ground (L×W×H)
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mm
|
480×200×320
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420×180×250
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Max. Grinding Length
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mm
|
520
|
430
|
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Max. Grinding Width
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mm
|
220
|
190
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Distance From Table Surface To Spindle Center
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mm
|
490
|
335
|
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V-type rail with Steel-ball
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Kg
|
100
|
100
|
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Table Size (L×W)
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mm
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480×200
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400×180
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Number of T -Slot
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mm×n
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12×1
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12×1
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Speed OF Working Table (stepless)
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m/min
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3–20
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3–20
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Cross Feed On Handwheel
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mm
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0.02/div. 2.5/rev.
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0.02/div. 2.5/rev.
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Auto transverse movement (stepless)
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mm
|
0.5–10
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0.5–10
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Rapid transverse movement
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r/min
|
144
|
144
|
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Wheel Size (dia. ×width×bore)
|
mm
|
200×16×31.75
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180×13×31.75
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Spindle Speeds
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50Hz
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rpm
|
2850
|
2850
|
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Spindle Motor
|
Kw
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1.1
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1.1
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Auto transverse movement power
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Kw
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0.2
|
0.2
|
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Auto longitudinal movement power
|
Kw
|
0.2
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0.2
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Machine Size (L×W×H)
|
mm
|
1680×1140×1800
|
1550×1060×1590
|
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Packing Size (L×W×H)
|
mm
|
1140×1280×1960
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1060×1280×1590
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GrossNet
|
T
|
O.85 0.75
|
O.80 0.70
|
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