使用過激光切割機的(de)用戶(hu)應該都(dou)知道(dao)它的(de)切(qie)割效果(guo)是非常好的(de),在(zai)完成切(qie)割之后也可以(yi)(yi)自(zi)動進行(xing)去毛刺工作,所以(yi)(yi)大(da)家(jia)不用擔心它的(de)加工表面非常的(de)粗糙。不過(guo)一般大(da)家(jia)如(ru)果(guo)想(xiang)要得到很好的(de)切(qie)割效果(guo)的(de)話(hua)還(huan)需要自(zi)己采取(qu)一些(xie)措施來保證才行(xing)。
機械(xie)零件(jian)投入(ru)機械(xie)加工(gong)(gong)(gong)的(de)(de)每張(zhang)圖紙(zhi)都有去(qu)毛(mao)(mao)刺(ci)的(de)(de)技術(shu)要求(qiu),去(qu)毛(mao)(mao)刺(ci)工(gong)(gong)(gong)序(xu),工(gong)(gong)(gong)藝(yi)人員往往無(wu)法(fa)編制工(gong)(gong)(gong)藝(yi)文件(jian),通常采用(yong)銼刀、布輪、砂(sha)(sha)布、砂(sha)(sha)帶等辦法(fa)來去(qu)除毛(mao)(mao)刺(ci)。隨(sui)著科學技術(shu)的(de)(de)進(jin)步和生產(chan)的(de)(de)發(fa)展(zhan),人工(gong)(gong)(gong)去(qu)毛(mao)(mao)刺(ci)已(yi)不能適應現代市(shi)場竟爭的(de)(de)產(chan)品質量和生產(chan)方式(shi)的(de)(de)要求(qiu),激光切割機光整加工(gong)(gong)(gong)技術(shu)逐步取(qu)代了傳統的(de)(de)去(qu)毛(mao)(mao)刺(ci)工(gong)(gong)(gong)藝(yi),而且越來越被人們所(suo)重視,目(mu)前有些(xie)先進(jin)企(qi)業機械(xie)零件(jian)的(de)(de)精整與光飾已(yi)被技術(shu)人員編入(ru)圖紙(zhi)技術(shu)要求(qiu)的(de)(de)內容,并形成了標(biao)準(zhun)工(gong)(gong)(gong)序(xu)。
激(ji)光切割(ge)機(ji)(ji)加工(gong)(gong)(gong),從工(gong)(gong)(gong)序上(shang)來說,只是屬于(yu)材料的(de)初加工(gong)(gong)(gong)步驟,對(dui)于(yu)大(da)多數機(ji)(ji)械加工(gong)(gong)(gong)來說,其切割(ge)件(jian)平整度、光潔(jie)(jie)度都是可以滿(man)足二次加工(gong)(gong)(gong)要求的(de),當然對(dui)于(yu)一些鈑金加工(gong)(gong)(gong)等精(jing)加工(gong)(gong)(gong)來說,數控切割(ge)的(de)精(jing)度還存在一些差距,隨著近年來激(ji)光切割(ge)機(ji)(ji)應用技(ji)術(shu)的(de)快速發展,針(zhen)對(dui)切割(ge)材料表面光潔(jie)(jie)度也有了(le)明(ming)顯的(de)提高,下面將主要就這方面問題與廣大(da)用戶交流(liu)。
該激光切割機(ji)加(jia)工工藝已廣(guang)泛(fan)用(yong)于汽車零(ling)部件的(de)精(jing)加(jia)工:進排(pai)(pai)氣(qi)管、進氣(qi)門、增壓腔、噴油(you)器(qi)、噴油(you)嘴、氣(qi)缸頭、渦輪(lun)殼體和葉片、花(hua)鍵(jian)、齒輪(lun)、制動器(qi)等(deng)。如:粗(cu)(cu)糙(cao)的(de)氣(qi)缸頭鑄(zhu)造件在專門的(de)二工位(wei)磨(mo)粒(li)流生產線上,每小時生產量可達(da)到30件,粗(cu)(cu)糙(cao)度從Ra4μm或Ra5μm達(da)到Ra0.4μm,可使廢(fei)氣(qi)排(pai)(pai)放(fang)量減少(shao)7%,發動機(ji)功率增加(jia)6%,行駛里(li)程數增加(jia)5%。
近(jin)來研制開發出的(de)(de)激光切割機微孔磨粒流(liu)技術,在加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)噴油嘴方面(mian)獨樹一幟。它根據(ju)擠出壓力、磨料溫度和(he)粘度之間的(de)(de)關系,進行復雜的(de)(de)程序運算。加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)過程中,當噴油嘴的(de)(de)設定(ding)流(liu)量到達時(shi),加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)即自動(dong)停止。加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)時(shi)間在10秒左右(you),流(liu)量散差可控(kong)制在±1%。與此加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)設備配套的(de)(de)還有流(liu)量測試儀(yi)以及高壓清(qing)洗設備。這些設備可根據(ju)用戶需要(yao),提供(gong)單(dan)工(gong)(gong)(gong)(gong)(gong)位或多工(gong)(gong)(gong)(gong)(gong)位的(de)(de)。也(ye)可以是(shi)帶(dai)機械手連接(jie),包括加(jia)(jia)工(gong)(gong)(gong)(gong)(gong)、測量、清(qing)洗的(de)(de)全套系統。
以上就(jiu)是使用激光切割機(ji)的相關知識,不(bu)知道大家在(zai)看完這些內(nei)容之后是否對此還(huan)有不(bu)清楚(chu)的地方呢?