Nkhani - Chidziwitso choyambitsa makina a BEC laser kuwotcherera

Pakadali pano,makina owotcherera laserakhala akugwiritsidwa ntchito kwambiri pakukongoletsa zotsatsa, zodzikongoletsera, zitseko ndi mazenera ndi mafakitale ena.Kodi pali kusiyana kotani pakati pa kuwotcherera kwa laser ndi kuwotcherera kwa argon arc, kuwotcherera ndi matekinoloje ena azikhalidwe?Amachita chiyanimakina owotcherera laserkudalira pang'onopang'ono kukhala wodziwika bwino waukadaulo wamakono wowotcherera?

Makina owotcherera a laserndi mtundu watsopano wa kuwotcherera njira, makamaka kwa kuwotcherera zipangizo woonda-mipanda ndi mbali zabwino, amene angathe kumaliza malo kuwotcherera, matako kuwotcherera, kusokera kuwotcherera, kusindikiza kuwotcherera, etc. Small kukula, mapindikidwe ang'onoang'ono, mofulumira kuwotcherera liwiro, lathyathyathya ndi wokongola kuwotcherera msoko, palibe chifukwa kapena mankhwala osavuta pambuyo kuwotcherera, mkulu kuwotcherera msoko khalidwe, palibe pores, kulamulira molondola, malo ang'onoang'ono kuwala, mkulu udindo kulondola, zosavuta kumaliza zokha.Imagwiritsa ntchito ma pulses amphamvu kwambiri a laser kutenthetsa pang'ono zinthuzo pamalo ang'onoang'ono.Mphamvu ya ma radiation a laser imafalikira muzinthuzo kudzera mumayendedwe a kutentha, imasungunula zinthuzo kupanga dziwe losungunuka, kenako ndikusungunula zida ziwirizo polumikizana.

Momwe kuwotcherera kwa laser kumagwirira ntchito
Kuwotcherera kwa laser ndiko kuyatsa mtengo wapamwamba kwambiri wa laser pamwamba pazitsulo, ndipo kupyolera mu mgwirizano pakati pa laser ndi zitsulo, zitsulo zimasungunuka kuti zikhale zowotcherera.Kusungunuka kwachitsulo ndi chimodzi mwa zochitika zakuthupi panthawi ya mgwirizano wa laser ndi zitsulo.Nthawi zina kuwala mphamvu si makamaka anasandulika zitsulo kusungunuka, koma kuwonetseredwa mu mitundu ina, monga vaporization, plasma mapangidwe, etc.Kuti izi zitheke, ndikofunikira kumvetsetsa zochitika zosiyanasiyana zakuthupi zomwe zimapangidwira pakulumikizana pakati pa laser ndi zitsulo komanso ubale pakati pa zochitika zakuthupi ndi magawo a laser, kuti mphamvu zambiri za laser zitha kuwongoleredwa ndikuwongolera magawo a laser.
Imasinthidwa kukhala mphamvu yachitsulo yosungunuka kuti ikwaniritse cholinga cha kuwotcherera.

Njira magawo a laser kuwotcherera
1.Kuchulukana kwamphamvu
Kuchuluka kwamphamvu ndi chimodzi mwazinthu zofunika kwambiri pakukonza laser.Ndi kachulukidwe kamphamvu kamphamvu, wosanjikiza wapamtunda ukhoza kutenthedwa mpaka kuwira mu nthawi ya microsecond, zomwe zimapangitsa kuti pakhale mpweya wambiri.Chifukwa chake, kachulukidwe kamphamvu kwambiri ndi kopindulitsa pakuchotsa zinthu monga kukhomerera, kudula, ndi chosema.Pakuchulukira mphamvu kwamphamvu, pamafunika ma milliseconds angapo kuti kutentha kwapamtunda kukafike powira.Pamaso pa vaporizes pamwamba, wosanjikiza pansi kufika pa malo osungunuka, amene n'zosavuta kupanga maphatikizidwe weld wabwino.Chifukwa chake, pakuwotcherera kwa laser conduction, kachulukidwe kake kamakhala pakati pa 104 ~ 106W/cm2.

2.Laser pulse waveform
Laser kugunda mawonekedwe ndi nkhani yofunika kuwotcherera laser, makamaka kuwotcherera pepala woonda.Pamene kuwala kwamphamvu kwa laser kugunda pamwamba pa zinthuzo, 60 ~ 98% ya mphamvu ya laser imawonekera ndikutayika pazitsulo, ndipo kuwunikira kumasiyana ndi kutentha kwapamtunda.Pakuchita kwa laser kugunda, reflectivity wa zitsulo amasiyana kwambiri.

3.Laser kugunda m'lifupi
Kugunda m'lifupi ndi chimodzi mwazinthu zofunika kwambiri pakuwotcherera kwa laser pulse.Sichinthu chofunikira chokha chosiyana ndi kuchotsa zinthu ndi kusungunuka kwa zinthu, komanso chizindikiro chofunikira chomwe chimatsimikizira mtengo ndi kuchuluka kwa zida zopangira.

4. Mphamvu ya defocus kuchuluka pa kuwotcherera khalidwe
Kuwotcherera kwa laser nthawi zambiri kumafuna njira ina yochepetsera malingaliro, chifukwa kachulukidwe kamphamvu pakati pa malo omwe amayang'ana pa laser ndiokwera kwambiri, ndipo ndikosavuta kusuntha kulowa dzenje.Kugawa kachulukidwe ka mphamvu kumakhala kofanana kumadera onse a ndege kutali ndi cholinga cha laser.

Pali njira ziwiri zochepetsera malingaliro: zabwino zochepetsera komanso zosokoneza.Ndege yoyang'ana pamwamba pa workpiece ndi yabwino defocus, apo ayi ndi defocus negative.Malinga ndi chiphunzitso cha geometrical optics, pamene defocus ili yabwino, mphamvu yamagetsi pa ndege yofananira imakhala yofanana, koma mawonekedwe a dziwe losungunuka lopezedwa ndilosiyana kwenikweni.Pamene defocus ili yoipa, kuzama kwakukulu kolowera kungathe kupezeka, komwe kumakhudzana ndi mapangidwe a dziwe losungunuka.Kuyesera kumasonyeza kuti laser ikatenthedwa kwa 50 ~ 200us, zinthuzo zimayamba kusungunuka, kupanga chitsulo chamadzimadzi ndi vaporizing, kupanga nthunzi yothamanga pamsika, yomwe imatulutsidwa mofulumira kwambiri, imatulutsa kuwala koyera kowala.Panthawi imodzimodziyo, kuchuluka kwa nthunzi kumasuntha zitsulo zamadzimadzi m'mphepete mwa dziwe losungunuka, kupanga kukhumudwa pakati pa dziwe losungunuka.Pamene defocus ndi zoipa, mkati mphamvu kachulukidwe zakuthupi ndi apamwamba kuposa pamwamba, ndipo n'zosavuta kupanga amphamvu kusungunuka ndi vaporization, kotero kuti kuwala mphamvu kufalitsidwa mozama zakuthupi.Choncho, muzogwiritsira ntchito, pamene kuya kwapakati kumafunika kukhala kwakukulu, kusokoneza kolakwika kumagwiritsidwa ntchito;powotcherera zida zoonda, zowongolera zabwino ziyenera kugwiritsidwa ntchito.

Poyerekeza ndi luso lazowotcherera lakale,makina owotcherera laserili ndi zabwino zotsatirazi
1. Ili ndi ntchito zosiyanasiyana zathunthu, ndipo msoko wowotcherera ndi wawung'ono, womwe ungathe kuzindikira kuwotcherera mwatsatanetsatane;

2. Kapangidwe kamangidwe kameneka kamakhala kosavuta kugwiritsa ntchito, mutu wa laser ukhoza kutambasulidwa mmbuyo ndi mtsogolo, kumanzere ndi kumanja, mmwamba ndi pansi pamanja, oyenera osalumikizana ndi kuwotcherera mtunda wautali wazinthu zosiyanasiyana;

3. Msoko wowotcherera ndi wosalala, kapangidwe kawotcherera ndi yunifolomu, palibe pores, palibe kuipitsidwa, ndi zolakwika zochepa zophatikiza;

4. Kuthamanga kwa kuwotcherera kumathamanga, chiŵerengero cha mawonekedwe ndi chachikulu, mapindikidwe ndi ochepa, ndipo ntchitoyo ndi yokhazikika, yomwe imatha kuzindikira kupanga misala;

4.Ndi mtundu watsopano wa njira yowotcherera.Laser kuwotcherera makamaka umalimbana kuwotcherera zipangizo woonda-mipanda ndi mbali mwatsatanetsatane.Iwo akhoza kuzindikira malo kuwotcherera, matako kuwotcherera, kusokera kuwotcherera, kusindikiza kuwotcherera, etc. Small akhudzidwa dera, mapindikidwe ang'onoang'ono, mofulumira kuwotcherera liwiro, yosalala ndi wokongola kuwotcherera msoko, palibe chifukwa kapena mankhwala yosavuta pambuyo kuwotcherera, mkulu kuwotcherera msoko khalidwe, palibe pores, kuwongolera kolondola, malo ang'onoang'ono olunjika, kulondola kwapamwamba kwambiri, kosavuta kukwaniritsa, motero amakondedwa ndi ogwiritsa ntchito, sikuti amangokulitsa luso la kupanga ndi kukonza, komanso amachepetsa ntchito yotopetsa yotsatila pambuyo pokonza.

Laser kuwotcherera makampani
Makampani magalimoto, makampani nkhungu, makampani zachipatala, makampani zodzikongoletsera, etc. mafakitale osiyana amafuna makina laser kuwotcherera osiyana.

Mtundu wamakina owotcherera laser
1.Fiber laser kuwotcherera makina-M'manja Mtundu