CNC Automatic Other Centerless Grinding Machine
Main features
★Guide wheel adopts single-support structure,spindle uses copper bush dynamic pressure oil film bearing;
★Lubricating of spindle adopts independent oil tank,option equipped with thermostatic apparatus;
★Feeding of guide wheel frame uses ball screw driven by servo motor from Siemens,minimum feeding rate 0.001mm.
Main components |
CNC system | Siemens |
Servo motor | Siemens |
Ball screw | THK |
Rail | Plastic-face rail |
Bearing | NSK |
Electric hand wheel | NEMICON |
Hydraulic components | CHN |
Electric components | Siemens |
The machine is used to process the cylindrical surface of all kinds of rings and shafts,with through grinding.Also possible to process with all kinds of workpiece with steps and cones semi-automaticly. The machine is suitable for small batch and mass production.
With standard test workpiece(Dia.=40mm,Length=75mm) |
Roundness | 0.0015mm |
Cylindricity | 0.0025mm |
Roughness | Ra0.25 |
Specifcation
Workpiece range of grinding |
Grinding diameter | Through ф10-ф100 | Cut-in ф10-ф100 |
Maximum grinding length | 650mm | Cut-in 200mm |
Grinding wheel size | P500×200×305mm |
Guide wheel size | P350×200×203mm |
Grinding wheel speed | 1250rpm |
Guide wheel speed | 10-200r/min |
Guide wheel swivel angle | Vertical plane | -2°～+5° |
Horizontal plane | -1°～+3° |
Minimum feeding rate | 0.001mm |
Rated torque of servo motor | 16.9Nm |
Minimum feeding rate of grinding wheel dresser | 0.001mm |
Center height | (To the base of supporting carriage) | 200mm |
Center height | (To the base of foundation) | 1050mm |
Cooling pump flow | 100L/min |
Hydraulic pump flow | 25L/min |
Grinding wheel motor power | 18.5kw |
Guide wheel motor power | 2.2kw |
Hydraulic pump motor power | 0.75kw |
Cooling pump motor power | 0.12kw |
Voltage | 3N-50Hz 380V |
Overall Dimension(L*W*H) | 2350×1850×1760mm |
Net weight | 3900kg |
