激光切割機在加工(gong)工(gong)作開始(shi)運行(xing)(xing)前(qian),操作員都會先對(dui)激光切(qie)(qie)割機(ji)設備進行(xing)(xing)一(yi)些前(qian)期的(de)(de)調試工(gong)作,保證激光切(qie)(qie)割機(ji)達到(dao)最佳的(de)(de)工(gong)作狀(zhuang)態(tai)。通常情況(kuang)下,操作員一(yi)般是根據后續(xu)需要進行(xing)(xing)切(qie)(qie)割的(de)(de)材料以及(ji)厚度(du)進行(xing)(xing)參數的(de)(de)調整,實現想要的(de)(de)切(qie)(qie)割效果以及(ji)需要用到(dao)的(de)(de)切(qie)(qie)割工(gong)藝。接下來(lai),我們為大家簡單(dan)分析下!
激光切割(ge)加工(gong)一般需要(yao)調整(zheng)激光模式、激光輸出功(gong)率(lv)、激光偏振性這三(san)個(ge)參(can)數,我們來講講這三(san)個(ge)參(can)數應(ying)該如何進行調整(zheng)!
1.激光模式
什(shen)么是激(ji)(ji)光(guang)(guang)(guang)模(mo)式(shi)(shi)呢(ni)?激(ji)(ji)光(guang)(guang)(guang)模(mo)式(shi)(shi)分(fen)為兩種,一(yi)個是激(ji)(ji)光(guang)(guang)(guang)橫模(mo),另一(yi)是激(ji)(ji)光(guang)(guang)(guang)縱(zong)(zong)模(mo)。激(ji)(ji)光(guang)(guang)(guang)橫模(mo)表示激(ji)(ji)光(guang)(guang)(guang)是光(guang)(guang)(guang)場的很(hen)想分(fen)布規律,激(ji)(ji)光(guang)(guang)(guang)縱(zong)(zong)模(mo)與激(ji)(ji)光(guang)(guang)(guang)在光(guang)(guang)(guang)腔(qiang)內(nei)縱(zong)(zong)向分(fen)布規律對應,激(ji)(ji)光(guang)(guang)(guang)縱(zong)(zong)模(mo)決定(ding)了激(ji)(ji)光(guang)(guang)(guang)波長和激(ji)(ji)光(guang)(guang)(guang)頻率。 這兩個模(mo)式(shi)(shi)都會影響激(ji)(ji)光(guang)(guang)(guang)切割機(ji)的加工(gong)效果。
2.激光輸出功率
激(ji)光(guang)(guang)(guang)輸出功率(lv)決定(ding)工(gong)(gong)件表面吸收(shou)能量的(de)(de)多少(shao),激(ji)光(guang)(guang)(guang)掃描(miao)速(su)度(du)決定(ding)連續激(ji)光(guang)(guang)(guang)和(he)激(ji)光(guang)(guang)(guang)輻照時(shi)間(jian)。對于脈沖(chong)激(ji)光(guang)(guang)(guang),激(ji)光(guang)(guang)(guang)輻射(she)時(shi)間(jian)由脈寬和(he)激(ji)光(guang)(guang)(guang)掃描(miao)速(su)度(du)決定(ding)。無論對連續激(ji)光(guang)(guang)(guang)還是(shi)脈沖(chong)激(ji)光(guang)(guang)(guang),加工(gong)(gong)功率(lv)越大,則(ze)工(gong)(gong)件所(suo)能吸收(shou)的(de)(de)能量越高(gao),材料所(suo)能達到(dao)的(de)(de)溫度(du)就(jiu)越高(gao)。控(kong)制激(ji)光(guang)(guang)(guang)功率(lv)和(he)激(ji)光(guang)(guang)(guang)輻照時(shi)間(jian)就(jiu)可以實現不同激(ji)光(guang)(guang)(guang)加工(gong)(gong)方(fang)法的(de)(de)不同效(xiao)果。
3.激光偏振性
在實際操作過程(cheng)中,我(wo)們(men)會發現,當激(ji)光(guang)(guang)入(ru)射角小(xiao)的情況下,材(cai)料表(biao)面對激(ji)光(guang)(guang)的反射特性(xing)和(he)吸收特性(xing)受激(ji)光(guang)(guang)偏(pian)(pian)振(zhen)性(xing)的影(ying)響比較小(xiao),但是當入(ru)射角較大時(shi),激(ji)光(guang)(guang)加(jia)工過程(cheng)中則會受到激(ji)光(guang)(guang)偏(pian)(pian)振(zhen)性(xing)強烈(lie)的影(ying)響,必(bi)須對激(ji)光(guang)(guang)的偏(pian)(pian)振(zhen)性(xing)加(jia)以控(kong)制。必(bi)要時(shi)通過光(guang)(guang)學變換的方法將輸(shu)出激(ji)光(guang)(guang)變換成(cheng)以一定方位和(he)入(ru)射角、偏(pian)(pian)振(zhen)方向輻(fu)照(zhao)工件表(biao)面,或使其變為圓偏(pian)(pian)振(zhen)光(guang)(guang),讓工件表(biao)面對激(ji)光(guang)(guang)吸收率的影(ying)響就(jiu)與方位無關。
以上就是“激光加工切(qie)割需(xu)要哪些控制參(can)數”的相關文章內容,希望能(neng)夠在激光切(qie)割加工過程中能(neng)夠實際地幫助到廣大用戶朋友(you),感(gan)謝(xie)大家一(yi)直以來的支持!