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- Horizontal structure and circulation processing is adopted in the machine.
- Low gravity L model structure is designed in the main unit, it is high intensity and good rigidity.
- Headstock moving of main spindle is driving by hydraulic and oriented by roll linear guide way.
- Adding pressure is separated with sliding organ.
- Import bearing is used in main spindle bearing.
- Rotating plate radial jump and end jump is controlled within 0.01mm.
- Oil splash lubrication is adopted in the main spindle bearing.
- Frequency conversion stepless regulation is adopted in rotation of main spindle and ball feeder.
- Electrical system is controlled by PC, ball pile switch is set in the ball inlet.
- Stop protection device is set in the main spindle.
- Resin grinding wheel can be used to grinding instead of lapping.
| Model | BO-7770 | BO-7780 |
| Ball size range | Φ3~φ12.7mm | Φ3~φ40mm |
| Size of lapping plate (D*d*h) | 700*440*80mm | 800*440*80mm |
| Lapping wheel size (D*d*h) | 700*440*80mm | 800*440*80mm |
| Max. working pressure | 40KN | 65KN |
| Max. capacity | 150kg | 250kg |
| Rotating disk speed | 5-40r/min (stepless) | 10-60r/min |
| Feeding plate speed | 0.03~0.21r/min (stepless) | 0.03-0.21r/min |
| Main motor power | 5.5kw | 5.5kw |
| Rotating disk motor power | 0.75kw | 0.75kw |
| Machine dimension | 3000*2500*1550mm | 3000*2800*1550mm |
| Weight | 6500kg | 9500kg |
| Model | BO-7790 | BO-4740 |
| Ball size range | Φ25.4~φ76.2mm | Φ10~φ50mm |
| Size of lapping plate (D*d*h) | 900*405*100mm | 950*440*100mm |
| Lapping wheel size (D*d*h) | 900*405*100mm | 900*405*100mm |
| Max. working pressure | 100KN | 100KN |
| Max. capacity | 550kg | 300kg |
| Rotating disk speed | 10-45r/min | 20/28/40r/min |
| Feeding plate speed | 0.37-2.6r/min | 0.1-4r/min |
| Main motor power | 7.5kw | 4.5/6.0/7.5kw |
| Rotating disk motor power | 2.2kw | 1.5kw |
| Machine dimension | 3500*3300*1900mm | 3268*1345*1525mm |
| Weight | 9000kg | 5300kg |
