技术规格：specification

型号model

项目 description                  

单位unit

m1420h/f×500

m1420h/f×800

外圆磨削范围

external grinding diameters

mm

ø8～200

ø8～200

内圆磨削范围

internal grinding diameters

mm

ø13～100

ø13～100

中心高 center height

mm

135

135

头架主轴转速

workhead spindle speed

50hz:25～380 stepless

50hz:25～380 stepless

工作台最大移动量

max.travel of table

mm

650

950

液压移动速度

hydraulic traverse speeds

m/min

0.1～4

0.1～4

最大工件重量

max.workpiece weight

kg

50

50

可磨长度外圆/内圆

grinding length extmal/internal

mm

500/125

800/125

工作台转动范围

swivel range of grinding wheel

°

-5～+9°

-3～+7°

砂轮最大线速度

max peripheral speed of grinding wheel

m/s

38

38

外圆砂轮尺寸

external wheel size

mm

maxø400×50×ø203 minø280×50×ø203

maxø400×50×ø203 minø280×50×ø203

内圆主轴转速

intemal wheel spindle totating-speed

r/min

20000

20000

头架尾架顶尖

workhead and tailstock center

morse

no.4

no.4

电机总容量 machine motor power

kw

5.625

5.625

机床外型尺寸（长×宽×高）

overall dimensions(l×m×h)

mm

2500×1600×1500

3000×1600×1500

机床重量 machine weight

kg

2500

3000

工件加工精度：working accuracy

圆度（外圆/内圆）roundness

1.5/2.5um(o.d/i.d)

纵截面内直径一致性（外圆/内圆）uniformity of dia.in longitudinal section

5/8um(o.d/i.d)

表面粗糙度（外圆/内圆）surface roughness

ra0.32/0.63um(o.d/i.d)

主要附件：mail accessories

冷却液箱 coolant tank                                         1套1set

卡盘座 chuck base                                                    1件1pcs      

砂轮修整器 grinding wheel dersser                             1套1set

内磨接长轴 quill shaft for internal grinding                         2套2set  

砂轮平衡轴 wheel balancing mandrel                           1套1set

内圆磨具 internal grinding                                           1套1set

桃子夹头 driving dog                                         1套1set

三爪卡盘 three jaw chuck                                             1套1set

合金顶尖 carbide-tipped center                              2件2pcs

砂轮压紧盘 wheel flanges                                             2套2set

支点底座 supportiron                                         3件3pcs

开式中心架 open type steady rest                                     1套1set

特殊附件：extra accessories

闭式中心架 center rest close type                             1套set

圆弧修整器 radius dresser                                             1套set

砂轮平衡架 wheel balancing                                   1套set