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產品展示product
MG1050B高精度無心磨床
High Precision Centerless Grinder

主要用途

本機床適用于幾何精度和表面質量要求高的各種圓柱體零件、環形零件的無心通磨磨削,也適用于圓錐角不大于3°圓錐體零件和各種成型旋轉零件的無心切入磨削,尤其適用于大批量的生產要求。

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.

結構特點

1、砂輪主軸采用懸臂動壓軸承,導輪主軸采用滾動軸承雙支承結構;

2、砂輪修整器進給運動由伺服電機驅動滾珠絲桿來實現,導輪修整器、手動進給,砂、導輪修整器往復運動均由油缸來實現

3、導輪主軸驅動用交流電機經變頻實現無極調速

4、機床主進給由伺服電機經滾珠絲桿螺母副帶動導輪架進給與補償

5、電氣采用三菱控制系統(用戶指定)。

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

(標準試件Φ20×90mm)

圓度:  0.001mm

圓柱度:0.0015mm

粗糙度:Ra0.16um

Working accuracy

(Standard testing workpiece Φ20×90mm)

Roundness:0.001mm

Cylindricty: 0.0015mm

Roughness:Ra0.16um

技術參數

Technical Parameter

磨削工件直徑
Dia. Of work to be ground
5~50mm
磨削工件長度
Length of work to be ground
通磨
Through feed
200mm
切入磨
Plunge-in feed
145mm
砂輪規格
Grinding wheel spec.
P500×150×305mm
導輪規格
Regulating wheel spec.
P350×150×177.8mm
砂輪轉速
Grinding  wheel speed
1330r/min
導輪轉速(無極)
Swivel angle of reg.wheel
10~290r/min
導輪回轉角
Swivel angle of reg.wheel
垂直面內
In a vertical plane
-2°~+7°
水平面內
In a horizontal plane
0~+3°
導輪軸向位移調整量
Axial displancement of reg.wheel
±5mm
導輪架最小進給值
Min.feed amount of reg.wheelhead
1μm
砂輪修整器最小進給值
Min.feed amount of gri.wheel dresser
1μm
導輪修整器每格進給值
Reg.wheel dresser feed amount per division
0.01mm
導輪修整器在水平面內的回轉角
Swivel angle of reg.wheel dresser in a horizontal piane
-2°~+7°
導輪修整器金剛占位移調整量
Displacement of reg.wheel dresser diamond
±15mm
砂輪與導輪中心連線至托架底面距離
The distance between the centerlines  of gri.&Reg.wheels and work rest bottom
200mm
砂輪與導輪中心連線至床身底面距離
The distance between the centerlines of gri.&Reg.wheels and bed bottom
1050mm
機床總功率
Total power of machine
22kW
機床外形尺寸
Overall dimension of machine
355cm×270cm×200cm
機床凈重
Net weight of machine
約5000kg