数控多晶硅硅芯多线切割机床
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MK8940 数控线锯导轮开槽磨床
一、用途 Purpose of the machine
MK8940型线锯导轮开槽专用磨床,主要用于太阳能光伏行业硅棒切片线锯的聚氨酯导轮的磨削开槽,同样也可用于其他行业的线锯导轮开槽。
The machine MK 8940x1200 is specially designed for photovoltaic industry to slot through polyurethane guiding wheel grinding with silicon bar cutting scroll saws. It also can be used for slotting with wire saws.
二、功能特点 Features
顶尖距达到1200mm,磨削尺寸大,最大可达 Φ350mm X 1020mm,使用范围广,基本可覆盖国际几大硅棒切片线锯机型的聚氨酯导轮开槽。如:Meyer Burger(梅耶博格尔公司)的DS262.DS264.DS265.DS271,日本NTC的D442.PV800,HCT公司的B5.B6等其他机 型。主要部件采用国际著名品牌产品,如SIEMENS的数控系统和电机,德国海德汉(HEIDENHAIN)的光栅尺等,加工精度高。

The machine has characteristics of a wide range use and big size grinding, with its center distance reaching 1200mm, maximum diameter 350mm and length 1020mm, capable of covering major international manufacturers’silicon bar cutting machines with scroll saw, including DS262, DS264,DS265, DS271 by Meyer Burger, Switzerland, D442, PV800 by NTC, Japan, and by HCT etc.
Being incorporated with world well-known brands into the machine, such as CNC system & motors from SIEMENS, grating scale from HEIDENHAIN and so on, the machine can obtain a high machining accuracy.
三、机床主要规格参数 Main specifications
最大安装直径(Max. mounting diameter): Φ400mm
最大顶尖距(Max. center distance): 1200mm
中心高度(center height): 210mm
可磨削直径(diameter to be ground): Φ100-Φ350mm
可磨削最大螺纹长度(Max.thread length to be ground): 1020mm
可磨削螺纹螺距(thread pitch to be ground): 0.2-6mm
工件转速(revolving speed): (无级free)1-60rpm
工作台最大纵向行程(Max. longitudinal traverse of table): 1300mm
砂轮架横向移动量 (across traverse of grinding wheel stock): 195mm
砂轮尺寸(grinding wheel dimensions): 宽度(width):16,63mm
  外径(O.D.):Φ500mm
  内径(I.D): Φ203mm
砂轮线速度 (linear velocity of grinding wheel): 50m/s
最大工件重量 (Max. weight of workpiece): 500kg
机床数控系统 (CNC system of the machine): SIEMENS 802 DSL
线性光栅尺测量分辨率(Measuring resolution of linear grating scale ): 0.0001mm
四、机床主要工作精度 Main working accuracies

相邻螺线齿距偏差 error of teeth spacing of adjacent spiral: ±0.001mm (Max ±0.003mm)
全长齿距累积偏差(1020mm)accumulative error of teeth spacing in whole length:±0.015mm
螺纹中径径向跳动 radial runout of effective diameter:< ±0.002mm

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