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MG1050B高精度无心磨床
High Precision Centerless Grinder

主要用途

本机床适用于几何精度和表面质量要求高的各种圆柱体零件、环形零件的无心通磨磨削,也适用于圆锥角不大于3°圆锥体零件和各种成型旋转零件的无心切入磨削,尤其适用于大批量的生产要求。

Application

This machine can be used for through feed grinding of cylindrical and ring type parts with high accuracy and surface finish and also for plunge feed of taper parts with a taper smaller than 3°and formed parts.It can also be used for mass production.

结构特点

1、砂轮主轴采用悬臂动压轴承,导轮主轴采用滚动轴承双支承结构;

2、砂轮修整器进给运动由伺服电机驱动滚珠丝杆来实现,导轮修整器、手动进给,砂、导轮修整器往复运动均由油缸来实现

3、导轮主轴驱动用交流电机经变频实现无极调速

4、机床主进给由伺服电机经滚珠丝杆螺母副带动导轮架进给与补偿

5、电气采用三菱控制系统(用户指定)。

Main structural features

1.The grinding wheel spindle adopts the cantilever type dynamic bearing, while reg.wheel spindle is dually supported by the rolling bearing.

2.The servo motor drives the ball-screw to perform feed movement of gri.wheel dresser.Reciprocating Movement of regulating & grinding wheels and Manual feed are achieved by the oil cylinder

3.The erg.Wheel spindle is driven by a AC freq.Conversion motor to achieve a stepless speed-regulation.

4.Reg.Wheelhead feed & comp.is performed by a Servo motor through a ballscrew and nut pair.

5.Mitsubishi control system is adopted.

工作精度

(标准试件Φ20×90mm)

圆度:  0.001mm

圆柱度:0.0015mm

粗糙度:Ra0.16um

Working accuracy

(Standard testing workpiece Φ20×90mm)

Roundness:0.001mm

Cylindricty: 0.0015mm

Roughness:Ra0.16um

技术参数

Technical Parameter

磨削工件直径
Dia. Of work to be ground
5~50mm
磨削工件长度
Length of work to be ground
通磨
Through feed
200mm
切入磨
Plunge-in feed
145mm
砂轮规格
Grinding wheel spec.
P500×150×305mm
导轮规格
Regulating wheel spec.
P350×150×177.8mm
砂轮转速
Grinding  wheel speed
1330r/min
导轮转速(无极)
Swivel angle of reg.wheel
10~290r/min
导轮回转角
Swivel angle of reg.wheel
垂直面内
In a vertical plane
-2°~+7°
水平面内
In a horizontal plane
0~+3°
导轮轴向位移调整量
Axial displancement of reg.wheel
±5mm
导轮架最小进给值
Min.feed amount of reg.wheelhead
1μm
砂轮修整器最小进给值
Min.feed amount of gri.wheel dresser
1μm
导轮修整器每格进给值
Reg.wheel dresser feed amount per division
0.01mm
导轮修整器在水平面内的回转角
Swivel angle of reg.wheel dresser in a horizontal piane
-2°~+7°
导轮修整器金刚占位移调整量
Displacement of reg.wheel dresser diamond
±15mm
砂轮与导轮中心连线至托架底面距离
The distance between the centerlines  of gri.&Reg.wheels and work rest bottom
200mm
砂轮与导轮中心连线至床身底面距离
The distance between the centerlines of gri.&Reg.wheels and bed bottom
1050mm
机床总功率
Total power of machine
22kW
机床外形尺寸
Overall dimension of machine
355cm×270cm×200cm
机床净重
Net weight of machine
约5000kg