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·磨头电机由内置结构改为外置结构,横向热变形小,故障率小,维修方便。
·采用外置液压油站,可避免床身内油温过高导致床身热变形。
·砂轮主轴前端采用内柱外锥形滑动轴承,使用寿命长,结构刚性好,精度高,磨削工件粗糙度低。
主要技术参数 Main Specifications | 单位 unit | M7140 M7140W | M7140x16 M7140x16W | M7140x20 M7140x20W | |
工作台面尺寸(宽×长) Size of working table (W×L) | mm | 400x1000 | 400x1600 | 400x2000 | |
磨削尺寸(宽×长×高) Max.size of workpiece to be ground (W×L×H) | mm | 400x1000x400 | 400x1600x400 | 400x2000x400 | |
工作台纵向移动量(液动) Table Longitudinal travel (Hydraulic) | mm | 200-1100 | 200-1700 | 200-2100 | |
工作台负载量(含电磁吸盘) Max.Allowable weight of workpiece (Including electromagnetic chuck) | kg | 624 | 1000 | 1248 | |
磨头横向移动量(手动及液动) Max.Travel of wheel-head cross(manual or hydraulic) | mm | 430 | |||
砂轮尺寸(外径×宽度×内径) Grinding wheel size (O.D×W×I.D) | mm | Φ400 x 50 x Φ203 | |||
电气设备总容量 Electrical equipment total capacity | kVA | 12 | 14 | 20 | |
磨头电机 | 功率 Grinding wheel motor power 转速 Rotational speed | kW r/min | 7.5 1440 | ||
加工工件等厚度 Working surface to base level parallelism | mm | 300:0.005 | |||
工件表面粗糙度 Surface roughness | µm | Ra0.63 | |||
机床外形尺寸(长×宽×高) Overall dimensions (L×W×H) | mm | 3200x1736x2280 | 4300x1736x2280 | 6610x1874(min)x2280 | |
包装箱外形尺寸(长×宽×高) Packing dimensions (L×W×H) | cm | 360x191x262 | 453x215x262 | 513x203x276 | |
净重 N.W | kg | 约4500 | 约5400 | 约7000 |