.png)
| MGB1320E | MG1320E | MGB1332E | MG1332E | MGB1420E |
| MG1420E | MGB1432E | MG1432E |
Features of the machine tool performance and structure
- With the screw pump adopted in the hydraulic drive system and it gains features of smooth running and low running noise.
- Equipped with sleeve type big conical degree hydrodynamic bearing shafting with integral bearing bush in wheel head, high rotary precision and rigidity are realized.
- The feeding guideway uses antifriction & plastic-filming guideway, thus promoting the smoothness and vibration resistance of low-speed operations.
- Besides the advantages of high machining accuracy, reasonable overall layout and attractive appearance, the operating handles of the machine are centralized arranged and visualization, thus to make the machine easy to control and safe to operate.
- With the function of semi-automatic plunge-cut grinding and longitudinal grinding controlled by the sizematic grinding or automatic measuring instrument, the machine of MGB type (high-precision semi-automatic) can be used for processing small-lot or batched high-precision parts.
- For the MGB type machine (high-precision semi-automatic), all the grinding functions and sequence of operation in the processing cycle are controlled by PLC.
Specifications
| Specification | Unit |
MG1320E MGB1320E |
MG1332E MGB1332E |
MG1420E MGB1420E |
MG1432E MGB1432E |
|||||||||
| ×500 | ×750 | ×1000 | ×500 | ×750 | ×1000 | ×500 | ×750 | ×1000 | ×500 | ×750 | ×1000 | |||
| Height of center | mm | 125 | 180 | 125 | 180 | |||||||||
| Distance between centers | mm | 520 | 765 | 1050 | 520 | 765 | 1050 | 520 | 765 | 1050 | 520 | 765 | 1050 | |
| Maximum swiveling diameter of the workpiece | mm | 240 | 350 | 240 | 350 | |||||||||
| Maximum grinding length | mm | 500 | 750 | 1000 | 500 | 750 | 1000 | 500 | 750 | 1000 | 500 | 750 | 1000 | |
| Range of cylindrical grinding | mm | Æ5~Æ200 | Æ5~Æ320 | Æ5~Æ200 | Æ5~Æ320 | |||||||||
| Range of internal grinding | mm | - | - | Æ13~Æ80 | Æ16~Æ125 | |||||||||
| Maximum internal grinding depth (over 45mm) | mm | - | - | 125 | 160 | |||||||||
| Maximum workpiece weight between centers | kg | 50 | ||||||||||||
| Grinding wheel(maximum) | OD ×W×ID | mm | 400×(32~50)×203 | |||||||||||
| Maximum linear speed | m/sec | 35 | ||||||||||||
| Swiveling angle of worktable | Clockwise | 9° | 8° | 3° | 9° | 8° | 3° | 9° | 8° | 3° | 9° | 8° | 3° | |
| counterclockwise | 9° | 8° | 7° | 9° | 8° | 7° | 9° | 8° | 7° | 9° | 8° | 7° | ||
| Taper hole of spindle | Work head | Morse 4# | ||||||||||||
| Tailstock | Morse 4# (Morse 3# as optional) | |||||||||||||
| Total power of machine tool | Kw | 7 | 7 | 7.5 | 7.5 | |||||||||
| Net weight of the machine tool | kg | 2500 | 3000 | 3500 | 2500 | 3000 | 3500 | 2500 | 3000 | 3500 | 2500 | 3000 | 3500 | |
| Gross weight of the machine tool | kg | 3100 | 3600 | 4100 | 3100 | 3600 | 4100 | 3100 | 3600 | 4100 | 3100 | 3600 | 4100 | |
| Packing size of the machine tool | Length | mm | 2800 | 2900 | 3800 | 2800 | 2900 | 3800 | 2800 | 2900 | 3800 | 2800 | 2900 | 3800 |
| Width | mm | 2200 | ||||||||||||
| Height | mm | 2200 | ||||||||||||
Working accuracy
No. |
Inspection content | Sketch of test-piece and machining condition | Inspection item | Unit |
MG1320E MGB1320E |
MG1332E MGB1332E |
MG1420E GB1420E |
MG1432E MGB1432E |
|||||||||
| ×500 | ×750 | ×1000 | ×500 | ×700 | ×1000 | ×500 | ×750 | ×1000 | ×500 | ×750 | ×1000 | ||||||
| P1 | Grinding accuracy of test-piece between centers |
 |
L=150 d=50 |
Roundness | mm | 0.0005 | |||||||||||
|
L=200 d=60 |
|||||||||||||||||
|
L=350 d=35 |
Consistency of the longitudinal section diameter | mm | 0.003 | 0.003 | - | 0.003 | 0.003 | - | 0.003 | 0.003 | - | 0.003 | 0.003 | - | |||
|
L=750 d=75 |
- | - | 0.005 | - | - | 0.005 | - | - | 0.005 | - | - | 0.005 | |||||
| Roughness | μm | Ra≤0.01 | Ra≤0.01 | Ra≤0.01 | Ra≤0.01 | ||||||||||||
| P2 | Grinding accuracy of short test-piece fixed on the chuck |
 |
L=30 d=60 |
Roundness | mm | - | - | 0.0015 | 0.0015 | ||||||||
| Roughness | μm | - | - | Ra≤0.04 | Ra≤0.04 | ||||||||||||
| P3 | The accuracy of test piece internal grinding on chuck |
 |
L=50 d=30 |
Roundness | mm | - | - | 0.002 | 0.002 | ||||||||
|
L=100 d=60 |
|||||||||||||||||
| Roughness | μm | Ra≤0.04 | Ra≤0.04 | ||||||||||||||
| P4 | Accuracy of test-piece plunge-cut grinding |
 |
L=30 d=25 |
Consistency of batched parts diameter after grinding | Sizematic grinding: 0.01/20 pieces | Sizematic grinding: 0.012/20 pieces | Sizematic grinding: 0.01/20 pieces | Sizematic grinding: 0.012/20 pieces | |||||||||
|
L=30 d=40 |
Automatic measuring instrument: 0.004/20 pieces | Automatic measuring instrument: 0.005/20 pieces | Automatic measuring instrument: 0.004/20 pieces | Automatic measuring instrument: 0.005/20 pieces | |||||||||||||
Main accessories
| No. | Name | Code | Remarks |
| 1 | Balancing mandrel | B-JT067 | |
| 2 | Wheel balancer | B-JT066 | |
| 3 | 3-jaw chuck | JT030A | Supplied for the machine with the work headof rotary spindle |
| 4 | Internal grinding attachment | JT055 | Only supplied for the universal machine |
| 5 | Wheel flange | MOT.8B | |
| 6 | Coolant tank | 20LT005A/B | Optional magnetic separator can be installed |
| 7 | Stand-type wheel dressers | JT040 |
Special accessories (For special orders)
| No. | Name | Code | Remarks |
| 1 | Closed center rest | JT023 | |
| 2 | Opencenter rest | JT024 | |
| 3 | 4-jaw chuck | JT069 | |
| 4 | Automatic measuring instrument | Suitable for semi-automatic machine tool | |
| 5 | Paper filter | LT014 | High precision machine tool accessory |
Layout plan
ME Series
unit: mm
| Maximum grinding length | A | B | C |
| 500 | 1500 | 1800 | 2400 |
| 750 | 2100 | 2290 | 3150 |
| 1000 | 2500 | 2800 | 3900 |
The foundational depth is determined by the property of soil and should not be less than 400mm.
Specifications, precision and appearance are subject to change without notice because of constantly development of our technology.
