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辽阳smt来料加工-沈阳520彩票 科技公司-smt来料加工厂

沈阳520彩票 科技有限公司
  • 经营模式:生产加工
  • 地址:辽宁省沈阳市于洪区沈胡路125-1号3门
  • 主营:电路板SMT贴片,插件焊接加工
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    辽阳smt来料加工-沈阳520彩票 科技公司-smt来料加工厂:
    沈阳SMT贴片加工,沈阳SMT贴片,SMT电路板焊接加工

    NPO、X7R、Z5U和Y5V的(de)主要(yao)区别(bie)是(shi)它们的(de)填充介(jie)质(zhi)不(bu)(bu)(bu)(bu)同(tong)(tong)。在相同(tong)(tong)的(de)体(ti)积下由于填充介(jie)质(zhi)不(bu)(bu)(bu)(bu)同(tong)(tong)所组成的(de)电(dian)容(rong)(rong)器(qi)的(de)容(rong)(rong)量(liang)就不(bu)(bu)(bu)(bu)同(tong)(tong),随(sui)之带(dai)来的(de)电(dian)容(rong)(rong)器(qi)的(de)介(jie)质(zhi)损(sun)耗、容(rong)(rong)量(liang)稳(wen)定性等(deng)也就不(bu)(bu)(bu)(bu)同(tong)(tong)。所以在使用(yong)电(dian)容(rong)(rong)器(qi)时应根据电(dian)容(rong)(rong)器(qi)在电(dian)路中作用(yong)不(bu)(bu)(bu)(bu)同(tong)(tong)来选(xuan)用(yong)不(bu)(bu)(bu)(bu)同(tong)(tong)的(de)电(dian)容(rong)(rong)器(qi)。



    NPO电容器:NPO是一(yi)种常用的具有(you)温度补偿(chang)特性的单片陶瓷电(dian)容器。它(ta)的填充介质(zhi)是由铷、钐和一(yi)些(xie)其它(ta)稀有(you)氧化物组(zu)成的。











    SMT贴(tie)(tie)片(pian)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)是指(zhi)在PCB裸板上将(jiang)电(dian)(dian)子(zi)元器件等物料贴(tie)(tie)装在上面的(de)过程(cheng)。它是目前电(dian)(dian)子(zi)组装行业较(jiao)为(wei)流行的(de)的(de)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)技(ji)术。SMT贴(tie)(tie)片(pian)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)流程(cheng)由多(duo)道工(gong)(gong)(gong)(gong)(gong)艺组成,其(qi)制(zhi)程(cheng)中的(de)工(gong)(gong)(gong)(gong)(gong)艺控制(zhi)决定(ding)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)成品质量。接下来(lai)我们将(jiang)为(wei)您详细介绍SMT贴(tie)(tie)片(pian)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)的(de)加(jia)(jia)(jia)工(gong)(gong)(gong)(gong)(gong)流程(cheng)。


    物料采购加工及检验:

    物(wu)(wu)(wu)料采购(gou)员根据客户提供的(de)BOM清单进(jin)行(xing)(xing)物(wu)(wu)(wu)料原始采购(gou),确保(bao)生(sheng)产(chan)基本无误。采购(gou)完成后进(jin)行(xing)(xing)物(wu)(wu)(wu)料检验加工,如(ru)排(pai)针剪(jian)脚(jiao),电阻引脚(jiao)成型等等。检验是为了(le)更好地(di)确保(bao)生(sheng)产(chan)质量。


    贴(tie)装(zhuang)(zhuang)(zhuang):其(qi)作用(yong)是将(jiang)表面(mian)组(zu)装(zhuang)(zhuang)(zhuang)元器件准确安装(zhuang)(zhuang)(zhuang)到PCB的(de)固(gu)定位(wei)(wei)置(zhi)上。所用(yong)设备(bei)为(wei)(wei)贴(tie)片(pian)机,位(wei)(wei)于SMT生(sheng)产(chan)线(xian)中印刷机的(de)后面(mian)。固(gu)化(hua)(hua):其(qi)作用(yong)是将(jiang)贴(tie)片(pian)胶融化(hua)(hua),从而(er)使表面(mian)组(zu)装(zhuang)(zhuang)(zhuang)元器件与(yu)PCB板牢固(gu)粘接在一(yi)起(qi)。所用(yong)设备(bei)为(wei)(wei)固(gu)化(hua)(hua)炉或烘干炉,位(wei)(wei)于SMT生(sheng)产(chan)线(xian)中贴(tie)片(pian)机的(de)后。回流(liu)焊(han)接:其(qi)作用(yong)是将(jiang)焊(han)膏融化(hua)(hua),使表面(mian)组(zu)装(zhuang)(zhuang)(zhuang)元器件与(yu)PCB板牢固(gu)粘接在一(yi)起(qi)。所用(yong)设备(bei)为(wei)(wei)回流(liu)焊(han)炉,位(wei)(wei)于SMT生(sheng)产(chan)线(xian)中贴(tie)片(pian)机的(de)后面(mian)。清洗:其作(zuo)用是将组装好的PCB板上面(mian)的对(dui)人(ren)体有害的焊接残留物如助焊剂等(deng)除去。所用设备为清洗机(ji),位置可以不固定(ding),可以在线(xian),也可不在线(xian)。


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