印制电路信息
印製電路信息
인제전로신식
PRINTED CIRCUIT INFORMATION
2014年
5期
28-30,43
,共4页
微细铣刀%逆铣%顺铣%印制电路板板边尺寸
微細鐉刀%逆鐉%順鐉%印製電路闆闆邊呎吋
미세선도%역선%순선%인제전로판판변척촌
Micro Router%Up Milling%Down Milling%Dimension Accuracy
微细铣刀主要用于PCB板材的铣削加工。微细铣刀与普通铣刀的主要区别在于长径比大、刚性差及挠性变形大等特点。这些特点使得微细铣刀在铣削加工时存在着一些很难避免的困难问题，如寿命不高、板边尺寸难以控制等。文章研究在经过微细铣刀的逆铣和顺铣方式加工后，PCB板材上下叠板呈现出的尺寸变化规律。
微細鐉刀主要用于PCB闆材的鐉削加工。微細鐉刀與普通鐉刀的主要區彆在于長徑比大、剛性差及撓性變形大等特點。這些特點使得微細鐉刀在鐉削加工時存在著一些很難避免的睏難問題，如壽命不高、闆邊呎吋難以控製等。文章研究在經過微細鐉刀的逆鐉和順鐉方式加工後，PCB闆材上下疊闆呈現齣的呎吋變化規律。
미세선도주요용우PCB판재적선삭가공。미세선도여보통선도적주요구별재우장경비대、강성차급뇨성변형대등특점。저사특점사득미세선도재선삭가공시존재착일사흔난피면적곤난문제，여수명불고、판변척촌난이공제등。문장연구재경과미세선도적역선화순선방식가공후，PCB판재상하첩판정현출적척촌변화규률。
Micro router is mainly used for PCB processing. The main difference with the ordinary milling cutter is the former has a large aspect ratio, poor rigidity and large lfexibility deformation. During milling, these features lead to some dififculties which are hard to be avoided, such as short life and poor dimension accuracy. In this paper, the size variation of top and bottom boards after up and down milling is investigated.
