| PROJECT | UNIT | C818(MINI) | C818(POWER) | C818(VISION) |
| Japan servo motor drive (absolute value) stroke (X/Y/Z axis) | mm | 650/350/270 | 700 / 450 / 300 | 800/550/320 |
| CNC system resolution (X/Y/Z axis) | mm | 0.0001 | 0.0001 | 0.0001 |
| Minimum resolution for programming of handwheel feed (X/Y/Z axis) | mm | 0.0001 | 0.0001 | 0.0001 |
| THK screw (X/Y/Z axis) | - | BN-FN32-C3 | BN-FN32-C3 | BN-FN32-C3 |
| Repositioning accuracy (X/Y/Z axis) | mm | 0.003 | 0.003 | 0.003 |
| Guide rail (X/Y/Z axis) | mm | MR35-G1 / MR35-G1 / MR35-G1 | SRG45-P / SRG35-P / SRG35-P | SRG45-P/SRG35-P/SRG35-P |
| Workpiece rotation axis (A/B axis) | - | rotation axis | rotation axis | rotation axis |
| DD servo drive (A/B axis) | - | direct drive | direct drive | direct drive |
| Rotary encoder (A/B axis) | - | RENISHAW, UK | RENISHAW, UK | RENISHAW, UK |
| Indexing accuracy (A/B axis) | - | 2 arc seconds (0.0005 degrees) | 2 arc seconds (0.0005 degrees) | 2 arc seconds (0.0005 degrees) |
| Rated speed (A/B axis) | rpm | 300 / 100 | 300 / 100 | 300 / 100 |
| Maximum revolutions (A/B axis) | rpm | 400 / 150 | 400 / 150 | 400 / 150 |
| CNC system resolution (A/B axis) | degree | 0.0001 | 0.0001 | 0.0001 |
| 360 degree rotation, indexing head body (A/B axis) | - | Could be installed with Shaw Berlin W25 collet holder or BT50 knife handle | Could be installed with Shaw Berlin W25 collet holder or BT50 knife handle | Could be installed with Shaw Berlin W25 collet holder or BT50 knife handle |
| Quick movement (X/Y/Z axis) | m/min | 7.5 | 7.5 | 7.5 |
| Minimum diameter for clamping workpiece | mm | 3 | 3 | 3 |
| Maximum diameter for clamping workpiece | mm | 20 | 32 | 32 |
| Maximum length for clamping workpiece | mm | 200 | 300 | 300 |
| Minimum diameter for grinding workpiece | mm | 1 | 1 | 1 |
| Maximum diameter for grinding workpiece | mm | 12 | 32 | 40 |
| Maximum blade length for grinding | mm | ≤120 | ≤180 | ≤180 |
| Maximum workpiece weight | kg | 5 | 5 | 5 |
| Linear resolution | mm | 0.0001 | 0.0001 | 0.0001 |
| Linear repeat positioning accuracy | mm | 0.003 | 0.003 | 0.003 |
| Rotation resolution | mm | 0.0001 | 0.0001 | 0.0001 |
| Rotation Repetitive Positioning Accuracy | degree | 0.001 | 0.001 | 0.001 |
| Spindle power | kw | 12-15 kw permanent magnet variable frequency motor | 22 kw permanent magnet variable frequency motor | 30kw permanent magnet variable frequency motor |
| Grinding wheel diameter | mm | 75-150 | 75-150 | 75-150 |
| Grinding wheel spindle speed | rpm | 4000-8000 | 4000-8000 | 4000-8000 |
| Stepless adjustable | - | inverter | inverter | inverter |
| Machine weight | kg | 4000 | 5000 | 6500 |
| Total power | kw | ≤22.5kw | ≤30kw | ≤45kw |
