无锡恒屹精密机床有限公司
地址：江苏省无锡市滨湖区常康路6-1号
联系人：张总
手机：138 0619 5952
手机：139 1248 8881
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| MK2120A 数控内圆磨床 |
机床的主要特点 Main Characteristics
•机床采用德国西门子828D SL或发那科Oi-TD系统，伺服电机均由数字量控制，有很强的编程功能，可实现插补和联动功能。
•二轴均由伺服电机驱动滚珠丝杠，传动链简单可靠，可实现无间隙、高灵敏度运动。
•机床可配置液压薄膜夹具，液压动力卡盘等，夹持精度高，装卸工件方便。
•工件箱采用高箱度套简主轴结构，精度高，便于维修，工件主轴驱动由交流变频电机经过多楔带作无极调速。
•砂轮主轴采用大功率、高刚性电动砂轮轴，由精止变频器驱动。
•机床电箱为独立电箱。
•Siemens 828D or Fanue Oi-c system is used.the servo motor controlled numerically has good programming capacity forinterpolation and linkage motion of axes.
•Gri wheel fed & reci.movement can be achieved by the serro motor through ball Ieadscew. thus ensuring gap elimination movement.
•Either hyd diaphragm chuck or hydraulically-operated chuck is available, thus ensufing high clamping accuracy & convenient loading.
•Cartridge-type workspindle is driver by AC freq conversion motor though poly-vkelt which its stepless speed-regulation can be performed by the freq inver
•High power & high rigidity electric gri wheel spindle is driven by a static frequency inverter.
•Independent electrical cabinet is used.
主要技术参数 Main Technical Specifcations
机床型号
|
MK2120A
|
磨削孔径
|
Bore dia ground
|
(mm)
|
ф20~ф 200
|
磨孔长度
|
Grinding depth
|
(mm)
|
200
|
工件旋径
Max.swing diameter
|
罩内 Within guard
|
(mm)
|
ф460
|
罩外 Without guard
|
(mm)
|
ф600
|
床头箱回转角度
|
Swivel angle of workhead
|
(°)
|
30°
|
床头箱横向移动虽
|
Cross movement of workhead
|
(mm)
|
150
|
工作台行程
|
Max. travel of worktable
|
(mm)
|
500
|
砂轮架行程
|
Max. travel of wheelhead
|
(mm)
|
250
|
工作台（Z轴）运动速度
|
Speed of worktable movenment (Z axis)
|
(m/inin)
|
0~10
|
砂轮架（X轴）运动速度
|
Speed of whcclhcad movennient (X axis)
|
(m/min)
|
0~5
|
Z轴分辨率
|
Resolution of Z axis
|
(mm)
|
0.001
|
X轴分辨率
|
Resolution of X axis
|
(mm)
|
0.001
|
工作转速
|
Work speed
|
(r/min)
|
30~600，无级(stepless)
|
砂轮转速（根据具体零件选）Wheel speed (as per part)
|
(r/min)
|
24000
|
机床总功率
|
Machine total power
|
(kw)
|
28
|
机床外形尺寸
|
Overall dimension
|
(mm)
|
3100×1680×1900
|
机床重量
|
Weight of machine
|
(kg)
|
4500
|
机床工作精度Grinding Accuracies
机床型号
|
MK2120A
|
内孔圆度
|
Bore roundness
|
(mm)
|
0.002
|
内孔圆柱度
|
Cylindricity of bore
|
(mm)
|
0.004
|
内孔表面粗糙度
|
Surface roughness of bore
|
(μm)
|
Ra0.4
|
内孔尺寸分散
|
Size deviation of bore
|
(mm)
|
0.015
|
端面对内孔垂直度
|
Parpendicularity of endface to I.D center line
|
(mm)
|
0.012
|
端面粗糙度
|
Surface roughness of endface
|
(μm）
|
Ra0.8
|
夹持接圆对内孔跳动(针对齿轮类零件)
|
Runout of pitch circle to be held relation to I.D(for gears)
|
(mm)
|
0.04
|
|
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E-mail：sales@wxhyjm.com | 
