Chifukwa Chiyani Musankhe Kutsuka kwa Laser?

Opanga nthawi zonse amayang'ana kuti apange zinthu zomwe zimakhala zamphamvu, zolimba, komanso zodalirika, komanso m'magulu a magalimoto ndi ndege.Pochita izi, nthawi zambiri amakweza ndikusintha machitidwe azinthu ndi kachulukidwe kakang'ono, kutentha kwabwinoko komanso ma alloys achitsulo osagwirizana ndi dzimbiri.Izi zimapereka opanga mwayi wabwino pamsika.

Kwenikweni, chimenecho ndi theka chabe la nkhani.
Ubwino wokulirapo kwambiri ndi kutsimikizika kotsimikizika pamphamvu ya chinthu, kulimba, ndi kudalirika kwazinthu.
Kusinthanitsa zinthu zakale kuti zikhale zamphamvu kungakhale chiyambi chabwino, koma pamafunikanso njira zopangira zapamwamba zomwe zimadalira zoyeretsa komanso zoyeretsera pamwamba kuti mupange zolimba.Zitsulo monga ma aluminiyamu aloyi ndi zipangizo zamakono monga carbon fiber polymer composites, zomwe nthawi zambiri zimagwiritsidwa ntchito popanga magalimoto ndi ndege, zimafuna kugwirizana kuti zichepetse kulemera - pamene zomangira zimagwiritsidwa ntchito, kulemera kumawonjezeredwa ku kapangidwe kake - ndikupanga zolumikizana zodalirika.
Njira zamakono zomaliza za aluminiyamu zimaphatikizapo kupukuta mchenga, kupukuta zosungunulira, kutsatiridwa ndi kugaya (pogwiritsa ntchito scouring pad) kapena anodizing.Kulumikiza zomatira kumatsegula chitseko cha njira zambiri zodzipangira zokha zomwe zomaliza zachikhalidwe sizigwirizana.
Anodizing ndizofala kwambiri pazamlengalenga pomwe kukonzekera kokwera mtengo komanso kokhazikika kumagwiritsidwa ntchito kukwaniritsa zofunikira.Kusiyanasiyana kwachilengedwe kwa sandblasting ndi njira zama abrasion pamanja zikuwonetsa momveka bwino kuti njira yoyendetsedwa bwino ndiyoyenera.
Kuyeretsa kwa laser kapena laser ablation kumadzaza kusiyana kwa njirayi ngati njira yolondola kwambiri, yosamalira chilengedwe, yodziwikiratu komanso yothandiza poyeretsa zitsulo ndi zophatikizika.Mitundu ya kuipitsidwa yomwe imapezeka pamwamba pa zipangizozi imachotsedwa mosavuta ndi laser processing.
Chifukwa kuyeretsa kwa laser ndikwamphamvu kwambiri, ndikofunikira kuti mudziwe momwe zimakhudzira pamwamba panu.Kusiyanitsa pakati pa malo otetezedwa bwino ndi malo osasamalidwa bwino kapena osagwiritsidwa ntchito mopitirira muyeso kungakhale kovuta kwambiri kuunika.Ndi ukadaulo wotsimikizirika wochulukirachulukira wokhazikika komanso wolondola ngati njira ya laser yokha, opanga akhoza kukhala otsimikiza kuti zitsulo zawo ndi zophatikizika ndizokonzeka kugwirizanitsa.

Laser Fortune yotsatira ikupatsani chidziwitso chatsatanetsatane chazifukwa zosankha kuyeretsa laser.

1 -Kodi Kuyeretsa kwa Laser ndi chiyani?
Kuchiza ndi laser ndi njira yolondola kwambiri, yoyeretsera matenthedwe yomwe imagwira ntchito pochotsa (kuchotsa) tizigawo ting'onoting'ono tating'onoting'ono ta zinthu kudzera pamtengo wolunjika, womwe nthawi zambiri umagunda.Laser imayatsa pamwamba kuti ichotse maatomu ndipo itha kugwiritsidwa ntchito pobowola mabowo ang'onoang'ono, akuya kudzera muzinthu zolimba kwambiri, kupanga mafilimu owonda kapena ma nanoparticles pamtunda.

Njira yoyeretsera pamwambayi ndi yothandiza kwambiri chifukwa imatha kuloza tizigawo tating'ono ta zonyansa ndi zotsalira.Malo a aluminiyamu amakhala ndi ma oxides ndi mafuta opangira mafuta omwe amawononga zomatira komanso zophatikizika nthawi zambiri zimasunga zotsalira za nkhungu ndi zonyansa zina za silikoni zomwe sizingapange zomangira zamphamvu zamakemikolo ndi zomatira.
Zomatira zikagwiritsidwa ntchito pamwamba ndi chimodzi mwazotsalirazi, zimayesa kumamatira ku mafuta ndi silikoni pamwamba pa zigawo zingapo za zinthuzo.Zomangirazi ndizofooka kwambiri ndipo sizingalephereke panthawi yoyeserera kapena mukamagwiritsa ntchito chinthucho.Pamene mfundo zimasweka pamene pamwamba ndi zomatira kapena zokutira zimakumana, izi zimatchedwa kulephera kwapakati.Kulephera kwa mgwirizano pakuyesa kumeta ubweya wa lap ndi pamene kupuma kumachitika mkati mwa zomatira zokha.Ichi ndi chisonyezero cha mgwirizano wamphamvu kwambiri ndi dongosolo lophatikizidwa lomwe liri lolimba komanso lokhalitsa.

Kulephera kogwirizana kwa zitsanzo zophatikizika izi zomwe zakhala zikuchitidwa ndi laser zikuwonetsa zomatira kumbali zonse za zinthu zomwe zimamangidwa.

Kulephera kwapakati kwa zitsanzo zophatikizika izi zomwe sizinachiritsidwe zikuwonetsa kuti zomatirazo zimangokhalira mbali imodzi ndikusiya mbali ina.
Mukakhala ndi kulephera kogwirizana, mumakhala ndi mgwirizano wapakati womwe sulola kupita pachabe.Thandizo lapamtunda limayang'ana pakusintha pamwamba kuti achotse zowononga ndikupanga kapena kuwulula malo omwe azitha kuphatikizana ndi zomatira kuti zikhale zolimba komanso zodalirika.
 
2- Momwe Mungadziwire Ngati Malo Anu Opangidwa ndi Laser Ndi Okonzeka Kumatira
Miyezo yolumikizirana, monga yomwe yatchulidwa mu pepala la IJAA lomwe limagwiritsidwa ntchito kumvetsetsa kuwonongeka kwa chithandizo pakanthawi yayitali, ndi njira yabwino kwambiri yowonera ndikutsimikizira njira zoyeretsera laser.
Muyeso wa ngodya yolumikizana umakhudzidwa ndi kusintha kwa ma molekyulu omwe amachitika pamtunda womwe ukuchititsidwa ndi laser.Dontho lamadzimadzi lomwe limayikidwa pamwamba lidzakwera kapena kugwa mofanana ndi kuchuluka kwa kuipitsidwa kwapang'onopang'ono pamtunda.Miyezo yamakona olumikizana ndi chizindikiro chosalekeza cha kumamatira ndipo imatha kupereka kumveka bwino komanso kuwonekera momwe mphamvu ya chithandizo imayenderana ndi zosowa zoyeretsera za zida.
Miyezo ya ngodya yolumikizana imagwirizana bwino ndi kusintha kwa zoipitsidwa zomwe zimatengedwa ndi njira zowonera.Miyezo yolondola kwambiri ya zoipitsa pamalopo imapangidwa ndi zida zomwe sizingatheke kuti opanga azigula komanso zomwe sizingagwiritsidwe ntchito pazinthu zenizeni zomwe zimapangidwa.
Kukhudzana ngodya miyeso akhoza kuchitidwa yomweyo isanayambe ndi pambuyo mankhwala pa kupanga mzere ndibukukapenazida zoyezera zokha.Monga momwe kuyeretsa kwa laser kumalowetsa m'malo mwa njira zachikale zokonzekera pamwamba chifukwa chazomwe zimafunikira makina apamwamba kwambiri, kupanga zolondola kwambiri, miyeso yolumikizirana imapangitsanso kuyesa kwapamwamba komanso kosawoneka bwino ngati inki za dyne ndi kuyesa kwamadzi kutha.
Kuyesa kwamphamvu kumangoyang'ana zitsanzo za zinthu zomwe zikukonzedwa, kuwonjezera kuchulukira komanso osawonetsa momwe angapangire chomangira cholimba.Ma angles olumikizirana, akagwiritsidwa ntchito pamzere wopanga amatha kuloza ndendende pomwe njirayo imafunikira kuwongolera, ndipo imatha kupereka chidziwitso pazomwe zikuyenera kusinthidwa komanso mpaka pati.

3- Chifukwa Chiyani Mugwiritsire Ntchito Kuyeretsa Laser?
Pakhala pali kafukufuku wambiri wokhudza momwe chithandizo cha laser pamwamba chimathandizira kumamatira.Mwachitsanzo,pepala lofalitsidwa mu Journal of Adhesionadafufuza kuchuluka kwa mphamvu zolumikizana zomwe zimakulitsidwa ndi kuyeretsa kwa laser kusiyana ndi njira zachikhalidwe.
"Zotsatira zoyeserera zikuwonetsa kuti chithandizo cha preadhesion laser chapamwamba chinathandizira kwambiri kumeta ubweya wa zitsanzo za aluminiyamu zosinthidwa-epoxy zomangika poyerekeza ndi magawo osasinthidwa ndi anodized.Zotsatira zabwino kwambiri zidapezedwa ndi mphamvu ya laser ya pafupifupi 0.2 J/Pulse/cm2 pomwe mphamvu yakumeta ubweya umodzi idawongoleredwa ndi 600-700% poyerekeza ndi ya Al alloy osatulutsidwa, ndi 40% poyerekeza ndi chromic acid anodizing pretreatment.

Njira yolephereka inasintha kuchoka ku zomatira kupita ku mgwirizano pamene chiwerengero cha laser pulses chinawonjezeka panthawi ya chithandizo.Chochitika chotsirizirachi chakhala chogwirizana ndi kusintha kwa morphology monga kuwululidwa ndi ma electron microscopy, ndi kusintha kwa mankhwala monga momwe Auger ndi infrared spectroscopy zasonyezera.
Chinthu chinanso chochititsa chidwi cha laser ablation ndi mphamvu yomwe ili nayo kuti ipange pamwamba pomwe sichimawonongeka pakapita nthawi.
Fortune Laserwachita ntchito yayikulu kuyang'ana momwe kuyeretsa kwa laser kumayenderana ndi malo m'njira zodabwitsa.Kuchiza kwa aluminiyamu ndi laser kumapanga timikwingwirima tating'onoting'ono pamwamba tomwe timasungunuka ndipo pafupifupi nthawi imodzi kulimba kukhala gawo laling'ono la crystalline pamwamba lomwe silimatha kuwononga dzimbiri kuposa aluminiyumuyo.

Kuyang'ana tchati chomwe chili pansipa, chikuwonetsa kusiyana pakati pa mphamvu ya shear ya chomangira chogwiritsira ntchito aluminiyamu yomwe yakhala ikugwiritsidwa ntchito ndi laser ndi aluminiyumu yomwe yakhala ikugwiritsidwa ntchito ndi mankhwala.M'kupita kwa nthawi, pamene malowa adawonekera ku malo onyowa, mphamvu ya mankhwala opangidwa ndi mankhwala kuti ikhale yogwirizana bwino imachepa kwambiri chifukwa chinyezi chimayamba kuwononga pamwamba, pamene laser mankhwala pamwamba amasunga kukana kwa dzimbiri pambuyo pa masabata angapo akuwonekera.

Ngati mukufuna kudziwa zambiri za kuyeretsa laser, kapena mukufuna kugula makina oyeretsera laser omwe ali oyenera kwambiri kwa inu, chonde siyani uthenga patsamba lathu ndikutitumizira imelo mwachindunji!