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Beijing Second Machine Tool Factory high-precision cylindrical grinder
Beijing Second Machine Tool Factory high-precision cylindrical grinder
Product details
- Product Details
Machine tool specification parameters
| Specifications | unit |
MG1320E MGB1320E |
MG1332E MGB1332E |
MG1420E MGB1420E |
MG1432E MGB1432E |
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| ×500 | ×750 | ×1000 | ×500 | ×750 | ×1000 | ×500 | ×750 | ×1000 | ×500 | ×750 | ×1000 | |||
| center height | mm | 125 | 180 | 125 | 180 | |||||||||
| Top distance | mm | 520 | 765 | 1050 | 520 | 765 | 1050 | 520 | 765 | 1050 | 520 | 765 | 1050 | |
| Maximum workpiece rotation diameter | mm | 240 | 350 | 240 | 350 | |||||||||
| Maximum grinding length | mm | 500 | 750 | 1000 | 500 | 750 | 1000 | 500 | 750 | 1000 | 500 | 750 | 1000 | |
| Outer circle grinding range | mm | Φ5～Φ200 | Φ5～Φ320 | Φ5～Φ200 | Φ5～Φ320 | |||||||||
| Inner circle grinding range | mm | - | - | Φ13～Φ80 | Φ16～Φ125 | |||||||||
| Maximum grinding depth of inner hole (above 45mm) | mm | - | - | 125 | 160 | |||||||||
| Maximum workpiece weight in the top tier | kg | 50 | ||||||||||||
| grinding wheel | Dimensions (outer diameter x width x inner diameter) | mm | 400×(32～50)×203 | |||||||||||
| maximum linear velocity | m/sec | 35 | ||||||||||||
| Workbench rotation angle | clockwise | 3° | 3° | 3° | 3° | |||||||||
| counterclockwise | 9° | 8° | 7° | 9° | 8° | 7° | 9° | 8° | 7° | 9° | 8° | 7° | ||
| Spindle taper hole Mohs cone number | head frame | Morse 4 # Morse 4 # (optional Morse 3 #) | ||||||||||||
| tailstock | ||||||||||||||
| Total power of machine tool motor | Kw | 7 | 7 | 7.5 | 7.5 | |||||||||
| Net weight of machine tool | kg | 2500 | 3000 | 3500 | 2500 | 3000 | 3500 | 2500 | 3000 | 3500 | 2500 | 3000 | 3500 | |
| Gross weight of machine tool | kg | 3100 | 3600 | 4100 | 3100 | 3600 | 4100 | 3100 | 3600 | 4100 | 3100 | 3600 | 4100 | |
| Dimensions of the outer packaging box of the machine tool | long | mm | 2800 | 2900 | 3800 | 2800 | 2900 | 3800 | 2800 | 2900 | 3800 | 2800 | 2900 | 3800 |
| wide | mm | 2200 | ||||||||||||
| tall | mm | 2200 | ||||||||||||
Work accuracy
| serial number | Inspection Item | Sample diagram and cutting conditions | Inspection Item |
MG1320E MGB1320E |
MG1332E MGB1332E |
MG1420E MGB1420E |
MG1432E MGB1432E |
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| ×500 | ×750 | ×1000 | ×500 | ×700 | ×1000 | ×500 | ×750 | ×1000 | ×500 | ×750 | ×1000 | |||||
| P1 | Grinding Top Room Accuracy of the test piece |
L=150 d=50 |
Roundness (mm) | 0.0005 | ||||||||||||
| L=200 d=60 |
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| L=350 d=35 |
Diameter inside the longitudinal section Consistency (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 (μ m) | Ra≤0.01 | Ra≤0.01 | Ra≤0.01 | Ra≤0.01 | ||||||||||||
| P2 | Grinding on the chuck Accuracy of short specimens |
L=30 d=60 |
Roundness (mm) | - | - | 0.002 | 0.002 | |||||||||
| Roughness (μ m) | - | - | Ra≤0.04 | Ra≤0.04 | ||||||||||||
| P3 | Grinding on the chuck Accuracy of inner hole specimens |
L=50 d=30 |
Roundness (mm) | - - |
- - |
0.002 | 0.002 | |||||||||
| L=100 d=60 |
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| Roughness (μ m) | Ra≤0.04 | Ra≤0.04 | ||||||||||||||
| P4 | Plunge grinding Accuracy of the outer circle of the specimen |
L=30 d=25 |
Grinding a batch of parts Diameter consistency |
Fixed distance grinding 0.01/20 pieces | Fixed distance grinding 0.012/20 pieces | Fixed distance grinding 0.01/20 pieces | Fixed distance 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 Attachment Table
serial number |
name | code name | remark |
| 1 | Balance axis | B-JT067 | |
| 2 | Grinding wheel balancing stand | B-JT066 | |
| 3 | three-jaw chuck | JT030B | Only available on universal machine tools with a diameter of 130 |
| 4 | Internal grinding tool | JT055 | Only available on universal machine tools |
| 5 | Grinding wheel flange | MOT.8B | |
| 6 | cooling water tank | 20LT005A/B | Optional addition of magnetic separator |
| 7 | Seat type grinding wheel dresser | JT040 |
Special Attachment Table (Special Orders)
| serial number | name | code name | remark |
| 1 | Closed center frame | JT023 | Φ10-Φ75 |
| 2 | Open center frame | JT024 | Φ5-Φ50 |
| 3 | Four jaw chuck | JT069 | Φ160 |
| 4 | Automatic measuring instrument | Suitable for semi-automatic machine tools | |
| 5 | paper filter | LT014 | High precision machine tool accessories |
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