7020 AHD MSI Surface Grinding Machines 500 - 1800rpm Moving Column Machine
7020AHD/MSI Program Control Series Moving Column Machine Surface Grinding Machine
Structural features:
1. The machine adopts T-shaped moving column structure.
2. Bed guide rail is protected by accordion machine tool cover.
3. Vertical shaft adopts high precision ball screw and servo motor directly connected structure, high response speed and high positioning accuracy, high rigidity and high stability of the machine.
4. The front and rear guide adopts heavy-duty roller linear guide with high precision ball screw and servo motor directly connected structure, fast response speed and high positioning accuracy, high rigidity and high stability of the whole machine
5. The spindle structure of grinding head is the key of grinding machine, which directly affects the grinding accuracy, roughness, waviness and grinding efficiency. The structure of static and static pressure ensures the grinding accuracy and roughness. At the same time, the machine has higher grinding efficiency.
| Item | Unit | MNK-7020AHD/MSI Moving Column | |
| Working table area | mm | 2000×700 | |
| Electromagnetic chuck area | mm | 2000×700 | |
| Max.load-bearing capacity of worktable (including suction cup) | Kg | 1500 | |
| Max.distance from table surface to spindle center | mm | 700 | |
| Wheel size | mm | 500×(20-50)×203 | |
| Spindle speed | (RPM/min) | 500—1800 | |
| Min.vertical feed of grinding wheel | mm | 0.001 | |
| Transverse feed speed of worktable | (m/min) | 1~24 | |
| Up and down servo motor with brake (W) | (W) | 1800 | |
|
AHD front and rear are ordinary motors MSI front and rear are servo motors |
(W) | AHD(80) MSI(750) | |
| Flush motor | (Hp×p) | 1/4×2 | |
| Surface roughness of processed specimen | μm | Ra0.4 | |
| Spindle radial runout | mm | ≤0.003 | |
| Spindle face runout | mm | ≤0.003 | |
| Up and down (Z axis) repeat positioning accuracy | mm | ≤0.003 | |
| Front and back (Y axis) repeat positioning accuracy | mm | MSI(0.01) | |
| Machine size (L×W×H) | mm | 6500×2800×2600 | |
| Machine Net Weight | kg | 9500 | |
| Machine gross weight | kg | 11000 | |
| Guide rail and screw | ||
| X axis: left and right | One V one flat plastic guide rail | |
| Y-axis: front and back | Heavy-duty roller linear guide | |
| Z axis: up and down | Skateboard type hard guide | |
| Ball screw diameter/pitch | Y:Ф40mm/10mm Z:Ф40mm/5mm |
|
| Motor specifications | ||
| Spindle motor | HXP | 15×4 |
| Hydraulic motor | HXP | 10×6 |
| Oil-cooled motor | H*P | 1×2 |
| Water tank motor | H*P | 1/5 |
This series can also achieve surface roughness: Ra 0.08um
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