EWAG RS15 | BDM-902 | FARMAN FC-500D | ||
technical specification | Adjustable distance of spindle grinding head (mm) | ≤490 | ≤490 | ≤500 |
Adjustable lifting distance of spindle grinding head (mm) | ≤120 | ≤120 | ≤130 | |
Tilt Angle of spindle grinding head (º) | -10~27 | -5~25 | 0~27 | |
Horizontal translation distance of spindle grinding head assembly(mm) | ≤70 | ≤65 | ≤70 | |
Spindle grinding head assembly horizontal leveling frequency (times/min) | 0~60 | 0~45 | 0~45 | |
Grinding wheel spindle speed (rpm) Frequency conversion speed control | 0~6000 | 0~4500(Infinitely variable speed control) | 0~3600 | |
Grindable arc diameter (mm) | 0~80 | 0~80 | 0~80 | |
Angle of rotation of tool table (º) | 0~240 | 0~240 | 0~270 | |
Size of tool table (mm) | 210×150 | 210×150 | 210×150 | |
Constant feed grinding pressure (N) | 0~400 | 0~400 | 0~450 | |
CCD magnification | 15~70 | 15~70 | 15~70 | |
Spindle grinding head motor | AC380V,2.2kW | AC380V,2.2kW | AC380V,2.2kW | |
CCD moving platform changeable distance (P,Q,W) | 120×150×50 | 150×150×50 | ||
Main technical accuracy index (Actual measurement) |
Spindle end taper runout | 0.001mm | ≤0.003mm | 0.003mm |
Flange face runout after spindle flange mounting | 0.001mm | ≤0.003mm | 0.004mm | |
Flange radial runout after spindle flange mounting | 0.001mm | ≤0.005mm | 0.005mm | |
Repeatable positioning accuracy of table rapid traverse | 0.001mm | ≤0.003mm | ≤0.003mm | |
Parallelism of spindle table flat guideway and flange endface | 0.003mm | 0.005mm/50mm | 0.005mm/50mm | |
Flatness of cross table surface | 0.005mm | 0.010mm | 0.013mm | |
Parallelism between the cross table and spindle flat table | 0.005mm/100mm | 0.010mm/120mm | 0.010mm/120mm |