激光切割機主要工藝

　　激光切割機主要工藝

1、汽化切割。

zaijiguangqihuaqiegeguochengzhong

，ziliaowaibiaowendushengzhifeidianwendudesudushirucizhikuai，zuyifangzhirechuandaoxingchengdeningjie，yushijubuziliaoqihuachengzhengqixiaoshi，jubuziliaozuoweipenchuwucongqiefengdibubeifuzhuqitiliuchuizou。cizhuangkuangxiaxuqiushifengaodejiguanggonglv。

為wei了le避bi免mian資zi料liao蒸zheng氣qi冷leng凝ning到dao割ge縫feng壁bi上shang，資zi料liao的de厚hou度du一yi定ding不bu要yao大da大da超chao越yue激ji光guang光guang束shu的de直zhi徑jing。該gai加jia工gong因yin此ci隻zhi合he適shi於yu應ying用yong在zai必bi需xu防fang止zhi有you凝ning結jie資zi料liao掃sao除chu的de狀zhuang況kuang下xia。該gai加jia工gong實shi踐jian上shang隻zhi用yong於yu鐵tie基ji合he金jin很hen小xiao的de運yun用yong範fan疇chou。

gaijiagongbunengyongyu，xiangmucaihemouxietaocideng，naxiemeiyouningjiezhuangtaiyincibutaikenengrangziliaozhengqizainingjiedeziliao。lingwai，zhexieziliaotongchangyaodaodagenghoudeqiekou。zaijiguangqihuaqiegezhong，zuiyouguangshujujiaoqujueyuziliaohouduheguangshuzhiliang。jiguanggonglvheqihuareduizuiyoujiaodianweizhizhiyaoyidingdeyingxiang。zaibancaihouduyidingdezhuangkuangxia，zuidaqiegesudufanbiyuziliaodeqihuawendu。suoxudejiguanggonglvmiduyaodayu108W/cm2，並且取決於資料
、切割深度和光束焦點位置。在板材厚度一定的狀況下，假定有足夠的激光功率
，最大切割速度遭到氣體射流速度的限製。

2、凝結切割。

zaijiguangningjieqiegezhong

，gongjianbeibufenningjiehoujiezhuqiliubaningjiedeziliaofangshejinlai。youyuziliaodezhuanyizhifazuozaiqiyetaizhuangkuangxia

，suoyigaiguochengbeichengzuojiguangningjieqiege。

jiguangguangshupeishanggaochunduoxingqiegeqiticushiningjiedeziliaofenkaigefeng
，erqitizishenbucanyuqiege。jiguangningjieqiegenenggoudedaobiqihuaqiegegenggaodeqiegesudu。qihuasuoxudenengliangtongchanggaoyubaziliaoningjiesuoxudenengliang。zaijiguangningjieqiegezhong
，jiguangguangshuzhibeijubuxishou。zuidaqiegesudusuizhejiguanggonglvdezengjiaerzengjia
，suizhebancaihoududezengjiaheziliaoningjiewendudezengjiaerjianzhifanbilidijianxiao。zaijiguanggonglvyidingdezhuangkuangxia，xianzhiyinshujiushigefengchudeqiyaheziliaoderechuandaolv。jiguangningjieqiegeguanyutiezhiziliaohetaijinshunenggoudedaowuyanghuaqiekou。chanshengningjiedanbudaoqihuadejiguanggonglvmidu，guanyugangziliaolaishuo
，zai104W/cm2～105 W/cm2之間。

3、氧化凝結切割（激光火焰切割）。

ningjieqiegeputongyunyongduoxingqiti，jiarudaizhiyiyangqihuoqitahuoxingqiti，ziliaozaijiguangshudeyingzhaoxiabeidianran，yuyangqifazuojuliedehuaxuefanxiangerchanshenglingyireyuan

，shiziliaojinyibujiare，chengweiyanghuaningjieqiege。

由you於yu此ci效xiao應ying

，關guan於yu相xiang同tong厚hou度du的de構gou造zao鋼gang
，采cai用yong該gai辦ban法fa可ke得de到dao的de切qie割ge速su率lv比bi凝ning結jie切qie割ge要yao高gao。另ling一yi方fang麵mian

，該gai辦ban法fa和he凝ning結jie切qie割ge相xiang比bi可ke能neng切qie口kou質zhi量liang更geng差cha。實shi踐jian上shang它ta會hui生sheng成cheng更geng寬kuan的de割ge縫feng、明顯的粗糙度
、增加的熱影響區和更差的邊緣質量。激光火焰切割在加工精細模型和尖角時是不好的（有燒掉尖角的風險）。能neng夠gou運yun用yong脈mai衝chong形xing式shi的de激ji光guang來lai限xian製zhi熱re影ying響xiang，激ji光guang的de功gong率lv決jue議yi切qie割ge速su度du。在zai激ji光guang功gong率lv一yi定ding的de狀zhuang況kuang下xia，限xian製zhi因yin數shu就jiu是shi氧yang氣qi的de供gong給gei和he資zi料liao的de熱re傳chuan導dao率lv。

4、控製斷裂切割。

關於容易受熱毀壞的脆性資料
，經過激光束加熱停止高速、可控的切斷

，稱為控製斷裂切割。這種切割過程主要內容是：jiguangshujiarecuixingziliaoxiaokuaiquyu，reqigaiquyudaderetiduheyanzhongdejixiebianxing，zhaozhiziliaogouchengliehen。zhixujianchipinghengdejiaretidu，jiguangshukeyindaoliehenzairenhexuqiudefangxiangchansheng。