Umatshini wokusika i-Laser awuseyongxaki kwipleyiti yentsimbi enobunzima obungaphantsi kwe-10 mm, kodwa ukuba kukunqunyulwa kweplate yentsimbi etyebileyo, ihlala ifuna i-laser yamandla aphezulu kunye namandla aphumayo ngaphezulu kwe-6kW, kwaye umgangatho wokusika nawo uncitshiswe kakhulu.Ngenxa yeendleko eziphezulu zezixhobo ze-laser zamandla aphezulu, imowudi ye-laser yokuphuma ayihambisani nokusika i-laser, ngoko ke indlela yendabuko yokusika i-laser ayinayo inzuzo ekusikeni i-plate enzima.Ke, kobuphi ubunzima obulandelayo obukhoyo kwintsimbi yokusika ipleyiti eshinyeneyo, kwaye zithini izisombululo?
Kukho obu bunzima bulandelayo bobugcisa bokusika ipleyiti eshinyeneyo yesinyithi:
1. Kunzima ukugcina inkqubo yokutshisa i-quasi-steady.Kwinkqubo yokusika ye-metal laser cutting machine, ubukhulu beplate enokuthi inqunyulwe iyancipha, ehambelana ngokusondeleyo nokutsha okungazinzanga kwentsimbi kwinqanaba lokusika.Ukuze inkqubo yokutshisa iqhubeke, iqondo lokushisa phezulu kwi-slit kufuneka lifikelele kwindawo yokutshisa.Amandla akhutshwe yi-reaction yokutsha ye-iron oxide yodwa ayinakuqinisekisa inkqubo yokutsha eqhubekayo.Ngakolunye uhlangothi, iqondo lokushisa lomgca wokusika liyancitshiswa ngenxa yokuba i-slit iqhubeka ipholile ngokuhamba kwe-oxygen ukusuka kwi-nozzle;kwelinye icala, i-ferrous oxide layer eyenziwe ngokutshiswa igubungela umphezulu we-workpiece, ithintele ukusasazwa kweoksijini.Xa i-oxygen concentration iyancipha ukuya kwinqanaba elithile, inkqubo yokutshisa iya kucinywa.Xa i-beam ye-convergent yendabuko isetyenziselwa ukusika i-laser, indawo ye-laser beam esebenza kumphezulu incinci kakhulu.Ngenxa yoxinano lwamandla e-laser aphezulu, ubushushu bomphezulu wesixhobo sokusebenza bufikelela kwindawo yokutshisa kungekuphela nje kwindawo yemitha ye-laser, kodwa nakwindawo ebanzi ngenxa yokuqhutywa kobushushu.
Idayamitha yokuhamba kweoksijini esebenza kumphezulu wesixhobo sokusebenza sikhulu kunolo lwe-laser beam, nto leyo ebonisa ukuba ayisiyiyo kuphela intshukumo yokutsha kakhulu eya kwenzeka kwindawo yemitha yelaser, kodwa ukutsha kuya kwenzeka kumda we-laser. laser beam.Xa usikwa ipleyiti engqindilili, isantya sokusika sicotha kakhulu, kwaye isantya se-iron oxide esivuthayo kumphezulu womsebenzi sikhawuleza kuneso sentloko yokusika.Emva kokutshisa ixesha elide, inkqubo yokutsha iyacinywa ngenxa yokuncipha koxinzelelo lwe-oxygen.Kuphela xa intloko yokusika ihambela kule ndawo, ukusabela kokutsha kuqala kwakhona.Inkqubo yokutshisa i-cut edge iqhutyelwa ngamaxesha, okuya kubangela ukuguquguquka kweqondo lokushisa lokusika kunye nomgangatho ombi wokusika.
2. Kunzima ukugcina ukucoceka kwe-oksijeni kunye noxinzelelo rhoqo kwicala lobunzima beplate.Xa usikwa ipleyiti eshinyeneyo ngomatshini wokusika wesinyithi we-laser, ukuncipha kokucoceka kweoksijini nako yinto ebalulekileyo echaphazela umgangatho wokusikwa.Ukucoceka kokuhamba kwe-oksijeni kunempembelelo enamandla kwindlela yokusika.Xa ukucoceka kokuhamba kwe-oksijeni kuncipha ngo-0.9%, izinga lokutsha kwe-iron oxide liya kuncipha nge-10%;xa ubunyulu buyancipha nge-5%, izinga lokutsha liya kuncipha nge-37%.Ukunciphisa izinga lokutsha kuya kunciphisa kakhulu igalelo lamandla kwi-seam yokusika ngexesha lenkqubo yokutshisa kunye nokunciphisa isantya sokusika.Ngelo xesha, umxholo wesinyithi kwi-liquid layer ye-cutting surface iyanda, eyandisa i-viscosity ye-slag kwaye yenza kube nzima ukukhupha i-slag.Ngale ndlela, kuya kubakho i-slag enzulu ejingayo kwindawo engezantsi yokusikwa, okwenza umgangatho wokusikwa kube nzima ukuyamkela.
Ukuze ugcine ukusika kuzinzile, ukucoceka kunye noxinzelelo lwe-oxygen ehamba phambili kwicala lobunzima beplate kufuneka igcinwe rhoqo.Kwinkqubo yokusika i-laser yendabuko, i-nozzle ye-conical eqhelekileyo isoloko isetyenziswa, enokuthi ihlangabezane neemfuno zokusika iplate encinci.Kodwa xa usikwa ipleyiti eshinyeneyo, kunye nokonyuka koxinzelelo lonikezelo komoya, i-wave yothuso kulula ukwenza kwibala lokuhamba lombhobho, elinobungozi obuninzi kwinkqubo yokusika, ukunciphisa ukucoceka kokuhamba kweoksijini kunye nokuchaphazela umgangatho wokusika.
Kukho iindlela ezintathu zokusombulula le ngxaki:
l Umlilo otshisayo wongezwa ujikeleze ukuhamba kwe-oksijini yokusika
l Yongeza i-oksijini encedisayo ekujikelezeni ukuhamba kwe-oxygen
l Uyilo olufanelekileyo lodonga lwangaphakathi lombhobho ukuphucula iimpawu zebala lokuhamba komoya
Ukushwankathela oku ngasentla ngumatshini wokusika we-laser wokusika iingxaki zepleyiti eshinyeneyo kunye nezisombululo, ngeli nqaku lingasentla, sinethemba lokukunceda, ukuba unezimvo ezahlukeneyo ngesabelo sethu, wamkelekile ukuba usinike iingcebiso ngakumbi!Ukuba ufuna umatshini wokusika we-laser, umatshini wokusika umbhobho we-laser, umatshini wokumakisha i-laser, umatshini wokukrola we-laser, umatshini we-laser welding kunye nezinye izixhobo ze-laser, wamkelekile ukubuza!
Ixesha lokuposa: Sep-26-2021