電(dian)(dian)鍍屬(shu)于電(dian)(dian)解加工(gong)過程，電(dian)(dian)源(yuan)(yuan)的因素(su)必將對電(dian)(dian)鍍工(gong)藝過程產生直接影(ying)響，在電(dian)(dian)鍍工(gong)藝中具有重(zhong)要地位。電(dian)(dian)鍍電(dian)(dian)源(yuan)(yuan)和(he)低紋波系(xi)數(shu)整(zheng)流(liu)電(dian)(dian)源(yuan)(yuan)在電(dian)(dian)鍍行業中的應用，讓電(dian)(dian)鍍界同仁在選擇整(zheng)流(liu)電(dian)(dian)源(yuan)(yuan)、解決電(dian)(dian)鍍故障、提高電(dian)(dian)鍍質量有所(suo)幫助。

1、整流器的基本類型

硅(gui)(gui)(gui)(gui)整(zheng)(zheng)(zheng)流(liu)(liu)(liu)器(qi)：硅(gui)(gui)(gui)(gui)整(zheng)(zheng)(zheng)流(liu)(liu)(liu)器(qi)使用歷史長，技術成熟，目(mu)前是(shi)整(zheng)(zheng)(zheng)流(liu)(liu)(liu)器(qi)主流(liu)(liu)(liu)產品。各(ge)種整(zheng)(zheng)(zheng)流(liu)(liu)(liu)電路(lu)獲得(de)的均是(shi)脈(mo)(mo)動(dong)直(zhi)流(liu)(liu)(liu)電，不(bu)是(shi)純直(zhi)流(liu)(liu)(liu)。為了(le)比較脈(mo)(mo)動(dong)成份的多少(shao)，一般用紋(wen)波(bo)(bo)系數來(lai)(lai)表示，其(qi)(qi)數值越小，交(jiao)流(liu)(liu)(liu)成份越少(shao)，越接近純直(zhi)流(liu)(liu)(liu)。各(ge)種整(zheng)(zheng)(zheng)流(liu)(liu)(liu)電路(lu)的波(bo)(bo)動(dong)系數不(bu)同。其(qi)(qi)由大(da)到小的次序為：三相半波(bo)(bo)整(zheng)(zheng)(zheng)流(liu)(liu)(liu)、三相全波(bo)(bo)橋(qiao)式整(zheng)(zheng)(zheng)流(liu)(liu)(liu)或帶平衡電抗器(qi)的六相雙反星形整(zheng)(zheng)(zheng)流(liu)(liu)(liu)。可控(kong)硅(gui)(gui)(gui)(gui)利用改變可控(kong)硅(gui)(gui)(gui)(gui)管導(dao)通(tong)(tong)角(jiao)來(lai)(lai)調整(zheng)(zheng)(zheng)輸(shu)(shu)(shu)出平均直(zhi)流(liu)(liu)(liu)大(da)小的普(pu)通(tong)(tong)可控(kong)硅(gui)(gui)(gui)(gui)整(zheng)(zheng)(zheng)流(liu)(liu)(liu)器(qi)，可控(kong)硅(gui)(gui)(gui)(gui)管輸(shu)(shu)(shu)出的是(shi)間斷(duan)脈(mo)(mo)沖波(bo)(bo)，其(qi)(qi)紋(wen)波(bo)(bo)系數的受導(dao)通(tong)(tong)角(jiao)控(kong)制，輸(shu)(shu)(shu)出紋(wen)波(bo)(bo)系數大(da)于普(pu)通(tong)(tong)硅(gui)(gui)(gui)(gui)整(zheng)(zheng)(zheng)流(liu)(liu)(liu)電路(lu)。

2、開關電源

開關(guan)電源兼有(you)硅整流器的波(bo)形平滑性優點及(ji)可控硅整流器的調壓方(fang)便(bian)的優點，電流效率高體積最小(xiao)，數千安(an)培(pei)(pei)至上萬安(an)培(pei)(pei)的大功率開關(guan)電源已進入生產(chan)實(shi)用(yong)階(jie)段。開關(guan)電源其頻(pin)率已達音頻(pin)，通過(guo)濾波(bo)實(shi)現(xian)低紋波(bo)輸出更為(wei)簡(jian)便(bian)易行(xing)。而(er)且穩(wen)流、穩(wen)壓等功能(neng)更易實(shi)現(xian)。因(yin)此，開關(guan)電源是今(jin)后發展(zhan)的方(fang)向(xiang)。

3、設備

脈(mo)(mo)(mo)(mo)沖(chong)(chong)(chong)電(dian)(dian)(dian)(dian)源主要(yao)是由(you)嵌入(ru)式(shi)(shi)單片計(ji)算機等進行(xing)控制(zhi)，因此，除實(shi)現脈(mo)(mo)(mo)(mo)沖(chong)(chong)(chong)輸(shu)出之(zhi)外，一般(ban)具(ju)備多(duo)種(zhong)控制(zhi)功(gong)(gong)能。（1)自(zi)(zi)動(dong)穩流(liu)(liu)穩壓。傳統硅整流(liu)(liu)器電(dian)(dian)(dian)(dian)流(liu)(liu)或電(dian)(dian)(dian)(dian)壓無法(fa)自(zi)(zi)動(dong)穩定，隨電(dian)(dian)(dian)(dian)網電(dian)(dian)(dian)(dian)壓的波(bo)(bo)動(dong)而(er)(er)波(bo)(bo)動(dong)。而(er)(er)脈(mo)(mo)(mo)(mo)沖(chong)(chong)(chong)電(dian)(dian)(dian)(dian)源則擁(yong)有(you)高(gao)精度的自(zi)(zi)動(dong)調(diao)(diao)節功(gong)(gong)能，脈(mo)(mo)(mo)(mo)沖(chong)(chong)(chong)電(dian)(dian)(dian)(dian)源輸(shu)出電(dian)(dian)(dian)(dian)壓可(ke)(ke)以(yi)幾乎不(bu)(bu)變(bian)。脈(mo)(mo)(mo)(mo)沖(chong)(chong)(chong)電(dian)(dian)(dian)(dian)源的自(zi)(zi)動(dong)調(diao)(diao)節功(gong)(gong)能一般(ban)具(ju)有(you)二種(zhong)模(mo)(mo)(mo)式(shi)(shi)：一，恒電(dian)(dian)(dian)(dian)流(liu)(liu)限(xian)壓模(mo)(mo)(mo)式(shi)(shi)。二，恒電(dian)(dian)(dian)(dian)壓限(xian)流(liu)(liu)模(mo)(mo)(mo)式(shi)(shi)。（2)多(duo)段(duan)(duan)式(shi)(shi)運行(xing)模(mo)(mo)(mo)式(shi)(shi)。鋁陽極氧化或硬(ying)鉻電(dian)(dian)(dian)(dian)鍍時，往(wang)往(wang)需要(yao)進行(xing)反(fan)向電(dian)(dian)(dian)(dian)解、大(da)電(dian)(dian)(dian)(dian)流(liu)(liu)沖(chong)(chong)(chong)擊、階(jie)梯送(song)電(dian)(dian)(dian)(dian)等操(cao)作(zuo)。具(ju)有(you)多(duo)段(duan)(duan)式(shi)(shi)運行(xing)模(mo)(mo)(mo)式(shi)(shi)的脈(mo)(mo)(mo)(mo)沖(chong)(chong)(chong)電(dian)(dian)(dian)(dian)源則只需提前(qian)設定，生(sheng)產時可(ke)(ke)自(zi)(zi)動(dong)按順序進行(xing)自(zi)(zi)動(dong)調(diao)(diao)節。這一功(gong)(gong)能對(dui)硬(ying)鉻電(dian)(dian)(dian)(dian)鍍是非常有(you)用的，每一段(duan)(duan)時間(jian)可(ke)(ke)在0～255秒(miao)內調(diao)(diao)節設定。（3)雙(shuang)向脈(mo)(mo)(mo)(mo)沖(chong)(chong)(chong)功(gong)(gong)能。正負脈(mo)(mo)(mo)(mo)沖(chong)(chong)(chong)頻率、占空比、正反(fan)向輸(shu)出時間(jian)均可(ke)(ke)獨立調(diao)(diao)節，使(shi)用靈活、方便。配合硬(ying)鉻電(dian)(dian)(dian)(dian)鍍工(gong)藝，可(ke)(ke)獲得不(bu)(bu)同(tong)物理性能的鍍層。（4)直(zhi)流(liu)(liu)疊(die)加(jia)(jia)功(gong)(gong)能。輸(shu)出正反(fan)向脈(mo)(mo)(mo)(mo)沖(chong)(chong)(chong)電(dian)(dian)(dian)(dian)流(liu)(liu)的同(tong)時，由(you)同(tong)一臺電(dian)(dian)(dian)(dian)源疊(die)加(jia)(jia)輸(shu)出一純直(zhi)流(liu)(liu)成(cheng)分，更拓寬了脈(mo)(mo)(mo)(mo)沖(chong)(chong)(chong)電(dian)(dian)(dian)(dian)源的使(shi)用范圍及用途。

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