| Workbench size | Ф800 mm |
| Maximum swing diameter | Ф1000mm |
| Minimum grinding inner diameter | Ф28 mm |
| Maximum grinding height | 650 mm |
| Workbench maximum load | 1500 Kg |
| Table speed (step less) | 0.01-100 rpm |
| Spindle maximum speed and interface(internal and external cylindrical grinding head) | 8000rpm、HSK63-C (18000rpm optional accessories) |
| Spindle maximum speed and interface (plane grinding head) | 4500rpm、N56 |
| Grinding wheel diameter (internal and external cylindrical grinding head) | Ф25 ～Ф300mm |
| Grinding wheel diameter (plane grinding head) | Ф400 |
| Spindle power (internal and external cylindrical grinding head) | 32Kw |
| Spindle power (plane grinding head) | 37Kw |
| Spindle runout | radial runout、end runout≤0.001 |
| Workbench runout | radial runout、end runout≤0.001 |
| X axis (horizontal movement) | 1700 mm |
| Z axis (vertical movement) | 1340 mm |
| B axis (wheel frame rotation) | 0 ～ 285° |
| X-axis moving speed (continuously variable speed) | 0.010 ～ 10 m/min |
| Z-axis moving speed (continuously variable speed) | 0.010 ～ 8 m/min |
| X and Z axis positioning accuracy and repeated positioning accuracy | 0.003、0,002 |
| C-axis positioning accuracy and repeatability | 3″、1.5″ |
| B-axis positioning accuracy and repeatability | 5″、2.5″ |
| The parallelism of the grinding head moving along the X axis to the rotating table surface | ≤0.006mm/500mm |
| The parallelism of the grinding head moving along the Z axis to the rotating table surface | ≤0.003mm/500mm |
Product Details
JMKG2880 High Precision CNC Universal Vertical Grinding Machine，The equipment is aimed at the processing of products with high precision and surface quality requirements, target in equipment manufacturing industry, the mechanical processing industry, and the high-precision machining industry. It can process the inner and outer contours, inner holes, outer circles, end faces, etc. of discs, rings, and sleeves in one clamping.
The X-axis, C-axis, Z-axis, and B-axis can be associated with two to four axes for motion. It can process the work piece for inner and outer contours, tapered surfaces, end faces, etc. .
Equipped with 3 synchronous built-in electric spindles (SP1, SP2, SP3), which means station conversion is available. The grinding head covers a wide range of rotational speed and stiffness, effectively improving processing efficiency and manufacturability.
The B-axis can achieve high-precision, arbitrary-angle positioning, and the repeat positioning accuracy is ±2.5″, which means the grinding machine can realize any taper surface processing, avoid the shortage of simultaneous Interpolation Machining Taper Surface and reduce the loss of grinding wheel.
The X-axis and C-axis are hydro-static, which ensures high precision and high rigidity, and can effectively solve the problems of unstable transmission of traditional guide rails and low-speed crawling caused by friction.(The friction coefficient of the static pressure guide rail is only about 0.005, which of linear guide rails is generally 0.15.).
The X-axis and C-axis are hydro-static, which ensures high precision and high rigidity, and can effectively solve the problems of unstable transmission of traditional guide rails and low-speed crawling caused by friction.(The friction coefficient of the static pressure guide rail is only about 0.005, which of linear guide rails is generally 0.15.).
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