MK86 series cnc spline shaft grinding machine
MK86 series cnc spline shaft grinding machine
The teeth flanks and the circular profile of the spline shaft that should be centried can be ground on this machine
Hydraulic stepless speed adjustmet for worktable longitudinal tranverse
CNC work spindle indexing to meet the free indexing requirement with rapid and accurate effect
AC frequency conversion for speed adjustment of wheel spindle
Equipped with SIEMENS controller with 4 controlled axes, 2 of which are in synch.The vertical feed of wheel and the dressing compensation of wheel are driven by AC servo motors
CNC interpolation for wheel dressing
Item | Unit | MK8612 | MK8612A | MK8612×1500 | MK8612A×1500 | MK8620 | MK8625 |
Spline shaft grinding dia. | mm | Φ11~Φ125 | Φ11~Φ125 | Φ11~Φ120 | Φ11~Φ125 | Φ20~Φ200 | Φ50~Φ250 |
Center distance | mm | 1000 | 1000 | 1500 | 1500 | 1500 | 2000 |
Max. grinding length | mm | 900 | 900 | 1400 | 1400 | 1400 | 1900 |
Center height | mm | 160 | 160 | 160 | 160 | 180 | 240 |
Table longitudinal max. movement | mm | 970 | 1000 | 1470 | 1470 | 1470 | 1980 |
Table longitudinal moving speed(hydraulic stepless) | m/min | 1~12 | 1~12 | 1~12 | 1~12 | 1~12 | 1~15 |
Grinding wheel vertical movement | mm | 140 | 135 | 140 | 280 | 280 |
|
Grinding wheel spindle center to headstock center line | mm | 35~175 | 40~175 | 40~175 | 35~315 | 35~315 | 65~345 |
Wheelhead rapid lifting speed | m/min | 750 | 750 | 750 | 750 | 750 | 4000 |
Wheelhead spindle speed | rpm | 2000~6000 | 2000~6000 | 2000~6000 | 2000~6000 | 2000~6000 | 2000~6000 |
Wheelhead vertal feed handwheel per rev. | mm | / | / | / | / | / | / |
Hand wheel scale | mm | / | / | / | / | / | / |
Wheelhead dividing | / | as random | as random | as random | as random | / | / |
Wheelhead spindle taper | / | MT6# | MT6# | MT6# | MT6# | MT6# | MT6# |
Wheel size (O.D.×I.D.) | mm | Φ90~Φ175 ×Φ32 | Φ90~Φ175 ×Φ32 | Φ90~Φ175 ×Φ32 | Φ90~Φ175 ×Φ32 | Φ90~Φ200 ×Φ32 | Φ90~Φ250 ×Φ32 |
Total power | kw | / | / | / | / | / | / |
Overall dimensions(L×W×H) | mm | 3670×1450 ×1900 | 3730×1290 ×1900 | 4835×1450 ×1900 | 4835×1450 ×1900 | 4732×1440 ×2258 | 6370x1635 x2355 |
Weight | kg | 8000 | 8000 | 10000 | 10000 | 10000 | 12000 |
item | unit | MK8612A | MK8612A×15 | MK8620 | MK8625×20 |
|
| Ø125×1000 | Ø125×1500 | Ø200×1500 | Ø250×1000 |
adjecent indexing error | mm | 0.004 | 0.004 | 0.004 | 0.05 |
accumulative indexingerror | mm | 0.008 | 0.008 | 0.008 | 0.014 |
parallelism of splineside with entral line of minor diameter | mm | 0.008/300 | 0.008/300 | 0.008/300 | 0.01/300 |
roundness of minordiameter | mm | 0.008 | 0.008 | 0.008 | 0.008 |
parallelism between adjacent spline sides | mm | 0.01/300 | 0.01/300 | 0.01/300 | 0.01/300 |
surface roughness | μm | Ra0.8 | Ra0.8 | Ra0.8 | Ra0.8 |
S.N | Name | Remark |
1 | Coolant system | 1 set |
2 | Wheel dresser | 1 pc |
3 | Open-type steady rest | 1 set |
4 | Wheel balance shaft | 1 set |
5 | Wheel flange | 1 set |
6 | Tools | 1 set |
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