本机床用砂轮周边磨削工件的水平面,也可以用砂轮的端面磨削工件的垂直立面和槽。机床结构采用拖板移动的十字形工作台布局,纵向、横向和垂直导轨均采用镶钢淬硬的滚动导轨,具有永久的耐磨性。
MM7140A卧轴矩台平面磨床基本参数和规格尺寸
⒈电磁工作台面尺寸(宽×长)Area of table………………………………….400×800mm
⒉磨削工件最大高度Max. height of wokpiece……………………………………….430mm
⒊工作台Woketable
⑴纵向移动最大行程Max. Lengthwise travel………………………………………..870mm
⑵纵向移动速度(液压无级)Longitudinal travel speed(Stepless)……..3~25M/min
⑶手轮每转纵向移动量
Longitudinal move amount per revolution of handwheel…………………75mm
⒋拖板Saddle
⑴横向移动最大行程Max. Cross travel……………………………………………………450mm
⑵横向移动速度Cross travel speed………...……………………………………1.4M/min
⑶横向断续进给量Cross intermittent feed rate……………………….2~20mm/stroke
⑷横向进给手轮每转移动量
Cross move amount per revolution of handwheel ……………………………..5mm
⑸横向进给手轮刻度盘最小刻度值
Min. scale value of dial of handwheel……………………………………………….0.05mm
⑹横向手动微进给量Cross manual micro feed rate…………………………….0.002mm
⒌磨头Wheelhead
⑴主轴中心线至工作台面距离Space between spindle axis and table surface
最大Max / 最小Min……………………605mm / 110mm
⑵垂直移动最大行程Max. vertical travel……………………………………………... 495mm
⑶快速升降速度Rapid-up and down speed………………………………….250mm/min
⑷垂直进给手轮每转进给量
Vertical move amount per revolution of handwheel………………………. 0.5mm
⑸垂直进给手轮刻度盘最小刻度值
Min. scale value of dial of handwheel……………………………………………0.005mm
⑹手动垂直微进给量Vertical manual micro feed value…………………. 0.0025mm
⑺自动垂直进给量(液压 6级)Vertical auto feed rate(Hydraulic 6 steps)
……………0.0025 0.005 0.0075 0.01 0.015 0.02mm
⑻主轴电机功率/转速Power and speed of wheelhead………………5.5kw/1440rpm
⑼砂轮尺寸(外径×宽×内径)
Size of grinding wheel……………………………………………………φ350×40×φ127mm
⒍机床总功率Total power of machine………………………………………………..7.125kw
⒎机床外形尺寸(长×宽×高)Orerall dimensions(LxWxH)……2460x1808x2000mm
⒏机床包装尺寸(长×宽×高)Packed dimensions(LxWxH)……3000x2000x2400mm
⒐机床净重/毛重Gross weight / Net weight…………………….approx4200/ 5000kg
10.机床精度Accuracy of machine
⑴试件粗糙度Workpiece roughness…………………………………………….Ra≤0.16μm
⑵工作台面平面度Table planeness………………………………………..1000:0.008mm