项目 | GX20-35CNC | GX20-50CNC | GX20-75CNC |
直进直切型 | 直进直切型 | 直进直切型 |
加工能力 | 工作台zui大回转直径(Maximum turning diameter of the workbench) | Φ220mm |
Processing capacity | 两顶心中心距离(Center distance between two apical centers) | 350mm | 500mm | 750mm |
| zui大磨削直径(maximum grinding diameter) | Φ200mm |
| 中心高度(Center high) | 125mm |
| 两顶心zui大荷重(Maximum load of two cores) | 80kg |
砂轮尺寸 | 直径x宽度x内孔直径(Diameter x width x inner hole diameter) | 500x50x203mm |
Grinding wheel size | 砂轮转数(Grinding wheel revolutions) | 1720/2290rpm |
| 砂轮线速度(Linear speed of grinding wheel) | 45/60m/s |
砂轮架(X轴) | 快速进给速度(Rapid feed speed) | 12M/min |
Grinding wheel holder (X-axis) | 进给角度(Feed angle) | 30° |
| zui小单位进给(Minimum unit feed) | 0.001mm |
| 进给行程(Feed stroke) | 245mm |
主轴头架(伺服)Spindle head rest (servo) | 顶心锥度(Apical taper) | MT4 |
主轴转速(Apical taper) | 20~600rpm |
主轴型式(Spindle type) | 定心或活芯 |
尾座(气浮) | 顶心锥度(Apical taper) | MT4 |
Tailstock (air flotation) | 动作行程(Action stroke) | 35mm |
| 主轴型式(Spindle type) | 固定行程或可调行程 |
工作台(Z轴) | 快速进给速度(Rapid feed speed) | 12M/min |
Workbench (Z-axis) | 工作台行程(table stroke) | 400mm | 550mm | 800mm |
| zui小单位进给(Minimum unit feed) | 0.001mm |
| 旋转角度(Rotation angle) | ±7° |
马达motor | 砂轮主轴马达(Grinding wheel spindle motor) | 7.5KW |
主轴头架(伺服)马达(Spindle head rest (servo) motor) | 6Nm |
砂轮架(X轴)(伺服)马达(Grinding wheel holder (X-axis) (servo) motor) | 15Nm |
工作台(Z轴)(伺服)马达(Workbench (Z-axis) (servo) motor) | 15Nm | 18.6Nm |
磨削液泵(Grinding fluid pump) | 1.1KW |
液压油泵(hydraulic pump) | 0.4KW |
滑动面润滑泵(Sliding surface lubrication pump) | 0.06KW |
砂轮轴润滑泵(Grinding wheel shaft lubrication pump) | 0.75KW |
箱容积 | 磨削液箱(Grinding fluid tank) | 150L |
Box volume | 液压油箱(Hydraulic oil tank ) | 20L |
| 砂轮轴润滑箱(Grinding wheel shaft lubrication box) | 80L |
| 滑动面润滑箱(Sliding surface lubrication box) | 5L |
机床精度 | 加工圆度(Processing roundness) | ≤0.001mm |
Machine tool accuracy | 尺寸一致性(Dimensional consistency) | ≤0.004mm |
| 表面粗糙度(Surface roughness) | Ra0.2um |
| X轴重复定位精度(X-axis repeated positioning accuracy) | ≤0.0015mm |
| Z轴重复定位精度(Z-axis repeated positioning accuracy) | ≤0.0025mm |
| 执行标准(Executive standards) | JB/T9914-1999 |