高精度半自动外圆磨床

机床特点：

★本系列机床适用于中小型精密轴及盘类零件的圆柱、圆锥的外圆及内圆面和端面的高精度磨削加工。

★机床工作台、头架、砂轮架等部件均能回转一定角度。

★横进及床身导轨均采用减摩涂层技术，有效去除低速爬行现象，并且涂层有良好的吸震效果，大大提升磨削加工精度。

★头架及砂轮架主轴采用整体大锥度成型油楔动承结构，具有回转精度高，刚性大、温升低的特点。

★尾架采用密珠套筒结构，具有液压伸缩功能，实现液压进退、弹簧夹紧。

★工作台运动、砂轮架进退既可液动亦可手动，并具有各种范围工件切入半自动定程磨削功能。

技术规格：TECHNICAL SPECIFICATIONS

中心高Height of center                                               140mm

距 Distance between centers                                       520/770mm

磨削直径Max.diameter to be grind                                 φ200mm

最小磨削直径Min. diameter to be grind                                 φ5mm

磨削长度Max. length to be grind                                   500/750mm

磨削孔深范围Range of the bore to be grind                              φ13～φ80mm

磨削孔深Max.depth of bore to be grind                              125mm

工件重量Max. weigth of workpiece                                 50kg

头架回转角度Rotation angle of headstock                                +45°～-45°

工作台回转角度Rotation angle of worktable                             +7.5°～-5.5°/+6°～-4°

砂轮尺寸Dimension of Max grinding wheel                          φ400×50×φ203mm

砂轮最小尺寸Dimension of Min grinding wheel                          φ280×15×φ203mm

砂轮线速度Linear speed of grinding wheel (m/s)                         ≤35m/s、≤20m/s（两个速度）                                                

砂轮架电机功率Total power of the grinding wheel motor                   3kw

机床总功率Total power of the motors                                   5.175Kw（4.625Kw）

机床外形尺寸Overall dimensions                      1900×1400×1250mm /2370×1400×1250mm

净重Net weight                                                     2600/2900Kg

毛重Gross weight                                                   2900/3300 Kg

工作精度：WORKING ACCURACY（磨削国家标准试磨件）

圆度Roudness                                    0.0006 mm

直径一致性Diameter of consistency                  0.003 mm

表面粗糙度Roughness                             Ra0.02μm