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: | |||||||||
Main specifications
|
unit
|
MD820
|
MD618A
|
||||||
Max.workpiece to be Ground (L×W×H)
|
mm
|
480×200×320
|
420×180×250
|
||||||
Max. Grinding Length
|
mm
|
520
|
430
|
||||||
Max. Grinding Width
|
mm
|
220
|
190
|
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Distance From Table Surface To Spindle Center
|
mm
|
490
|
335
|
||||||
V-type rail with Steel-ball
|
Kg
|
100
|
100
|
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Table Size (L×W)
|
mm
|
480×200
|
400×180
|
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Number of T -Slot
|
mm×n
|
12×1
|
12×1
|
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Speed OF Working Table (stepless)
|
m/min
|
3–20
|
3–20
|
||||||
Cross Feed On Handwheel
|
mm
|
0.02/div. 2.5/rev.
|
0.02/div. 2.5/rev.
|
||||||
Auto transverse movement (stepless)
|
mm
|
0.5–10
|
0.5–10
|
||||||
Rapid transverse movement
|
r/min
|
144
|
144
|
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Wheel Size (dia. ×width×bore)
|
mm
|
200×16×31.75
|
180×13×31.75
|
||||||
Spindle Speeds
|
50Hz
|
rpm
|
2850
|
2850
|
|||||
Spindle Motor
|
Kw
|
1.1
|
1.1
|
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Auto transverse movement power
|
Kw
|
0.2
|
0.2
|
||||||
Auto longitudinal movement power
|
Kw
|
0.2
|
0.2
|
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Machine Size (L×W×H)
|
mm
|
1680×1140×1800
|
1550×1060×1590
|
||||||
Packing Size (L×W×H)
|
mm
|
1140×1280×1960
|
1060×1280×1590
|
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GrossNet
|
T
|
O.85 0.75
|
O.80 0.70
|
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