Adadin sha Laser da canje-canje a cikin yanayin hulɗar kayan aikin Laser

Haɗin kai tsakanin Laser da kayan ya ƙunshi abubuwa da yawa na zahiri da halaye. Labari na gaba guda uku za su gabatar da mahimman abubuwa uku na zahiri da suka shafi tsarin waldawar laser don samarwa abokan aiki ƙarin fahimtar yanayin.Laser waldi tsari: raba zuwa yawan sha na Laser da canje-canje a cikin jiha, plasma da tasirin maɓalli. A wannan lokacin, za mu sabunta dangantaka tsakanin canje-canje a cikin yanayin Laser da kayan aiki da ƙimar sha.

Canje-canje a cikin yanayin kwayoyin halitta da ke haifar da hulɗar tsakanin laser da kayan aiki

The Laser aiki na karfe kayan ne yafi dogara ne a kan thermal aiki na photothermal effects. Lokacin da aka yi amfani da hasken wuta na Laser a saman kayan, sauye-sauye daban-daban za su faru a cikin sararin samaniya na kayan a nau'i-nau'i daban-daban. Waɗannan canje-canjen sun haɗa da hawan zafin jiki, narkewa, tururi, samuwar ramin maɓalli, da ƙirar plasma. Bugu da ƙari, canje-canje a cikin yanayin jiki na yanki na kayan abu yana tasiri sosai ga shayar da kayan laser. Tare da haɓaka ƙarfin iko da lokacin aiki, kayan ƙarfe za su fuskanci canje-canje masu zuwa a cikin jihar:

Lokacin dawutar lantarkiyawa yana da ƙasa (<10 ^ 4w / cm ^ 2) kuma lokacin watsawa yana da ɗan gajeren lokaci, makamashin Laser da karfe ke sha zai iya haifar da zafin jiki kawai daga saman zuwa ciki, amma lokaci mai ƙarfi ya kasance ba canzawa. . Ana amfani da shi ne musamman don ɓarna ɓarna da ƙwanƙwasa gyaran lokaci, tare da kayan aiki, gears, da bearings sune mafi rinjaye;

Tare da haɓaka ƙarfin ƙarfin laser (10 ^ 4-10 ^ 6w / cm ^ 2) da kuma tsawaita lokacin raɗaɗi, saman kayan yana narkewa a hankali. Yayin da ƙarfin shigarwar ya ƙaru, ƙaƙƙarfan keɓancewar ruwa a hankali yana motsawa zuwa zurfin ɓangaren kayan. Ana amfani da wannan tsari na jiki musamman don gyaran ƙasa, haɗawa, cladding, da walƙiyar thermal conductivity na karafa.

Ta hanyar ƙara yawan ƙarfin ƙarfin (> 10 ^ 6w / cm ^ 2) da kuma tsawaita lokacin aikin laser, kayan kayan ba kawai narke ba amma har ma da vaporizes, kuma abubuwan da aka lalata sun taru kusa da kayan abu kuma suna raunana ionize don samar da plasma. Wannan plasma na bakin ciki yana taimakawa kayan shafa laser; Karkashin matsa lamba na vaporization da fadada, ruwan saman ya lalace kuma ya samar da ramuka. Wannan mataki za a iya amfani da Laser waldi, yawanci a splicing thermal conductivity waldi na micro haši tsakanin 0.5mm.

Ta hanyar ƙara yawan ƙarfin ƙarfin (> 10 ^ 7w / cm ^ 2) da kuma tsawaita lokacin iska mai iska, kayan abu yana jurewa da ƙarfi mai ƙarfi, yana samar da plasma tare da babban digiri na ionization. Wannan plasma mai yawa yana da tasirin kariya akan Laser, yana rage yawan kuzarin abin da ya faru na Laser a cikin kayan. A lokaci guda kuma, a ƙarƙashin babban ƙarfin amsawar tururi, ƙananan ramuka, waɗanda aka fi sani da maɓalli, an kafa su a cikin ƙarfe na narkewa, Kasancewar maɓalli yana da fa'ida ga kayan don ɗaukar Laser, kuma ana iya amfani da wannan matakin don haɗin zurfin laser. waldi, yankan da hakowa, tasiri hardening, da dai sauransu.

A ƙarƙashin yanayi daban-daban, nau'ikan raƙuman raƙuman ruwa na laser a kan kayan ƙarfe daban-daban zai haifar da takamaiman ƙimar ƙarfin ƙarfi a kowane mataki.

Game da sha na Laser da kayan, da vaporization na kayan ne iyaka. Lokacin da kayan ba su sha turɓaya ba, ko a cikin lokaci mai ƙarfi ko na ruwa, ɗaukar laser kawai yana canzawa sannu a hankali tare da haɓakar yanayin zafi; Da zarar abu ya vaporize da samar da plasma da maɓalli, sha na Laser kayan zai canza ba zato ba tsammani.

Kamar yadda aka nuna a cikin Hoto 2, yawan sha na Laser akan saman kayan yayin waldawar Laser ya bambanta da ƙarfin ƙarfin Laser da zafin jiki na kayan. Lokacin da kayan ba a narke ba, ƙimar ɗaukar kayan abu zuwa laser yana ƙaruwa sannu a hankali tare da haɓaka yanayin yanayin kayan abu. Lokacin da ƙarfin ƙarfin ya fi (10 ^ 6w/cm ^ 2), kayan suna yin vaporizes da ƙarfi, suna kafa maɓalli. Laser yana shiga cikin maɓalli don tunani mai yawa da sha, yana haifar da haɓakar haɓakar kayan abu zuwa Laser da haɓakar zurfin narkewa.

Cire Laser ta Kayan Karfe - Tsawon tsayi

 

Hoton da ke sama yana nuna alamar alakar da ke tsakanin kyalli, ɗaukar nauyi, da tsayin ƙarfen da aka saba amfani da su a zafin daki. A cikin yankin infrared, ƙimar sha yana raguwa kuma haɓakar haɓaka yana ƙaruwa tare da haɓaka tsayin tsayi. Yawancin karafa suna nuna ƙarfi da ƙarfi na 10.6um (CO2) hasken infrared na tsawon raƙuman ruwa yayin da rarrauna yana nuna hasken infrared 1.06um (1060nm). Karfe kayan suna da mafi girma sha rates ga gajere wavelength Laser, kamar shudi da kore haske.

Cire Laser ta Kayayyakin Karfe - Zazzaɓin Material da Ƙarfin Laser

 

Ɗaukar aluminium alloy a matsayin misali, lokacin da abu ya kasance mai ƙarfi, ƙimar ɗaukar Laser yana kusa da 5-7%, ƙimar shayar ruwa tana zuwa 25-35%, kuma yana iya kaiwa sama da 90% a cikin jihar keyhole.

Yawan sha na kayan zuwa laser yana ƙaruwa tare da ƙara yawan zafin jiki. Yawan sha na kayan ƙarfe a cikin zafin jiki yana da ƙasa sosai. Lokacin da zafin jiki ya tashi zuwa kusa da wurin narkewa, yawan sha zai iya kaiwa 40% ~ 60%. Idan zafin jiki yana kusa da wurin tafasa, yawan sha zai iya kaiwa sama da 90%.

Cire Laser ta Kayan Karfe - Yanayin Sama

 

A al'ada sha kudi da aka auna ta amfani da m karfe surface, amma a aikace aikace-aikace na Laser dumama, shi ne yawanci wajibi ne don ƙara yawan sha na wasu high tunani kayan (aluminum, jan karfe) don kauce wa ƙarya soldering lalacewa ta hanyar high tunani;

Ana iya amfani da hanyoyi masu zuwa:

1. Adopting dace surface pre-jiyya matakai don inganta reflectivity na Laser: samfurin hadawan abu da iskar shaka, sandblasting, Laser tsaftacewa, nickel plating, tin plating, graphite shafi, da dai sauransu iya duk inganta kayan ta sha kudi na Laser;

Mahimmancin shine don ƙara haɓakar abubuwan da ke cikin kayan (wanda ke da tasiri ga ma'anar laser da yawa da sha), da kuma ƙara yawan kayan shafa tare da ƙimar haɓaka mai girma. By sha Laser makamashi da narkewa da volatilizing shi ta hanyar high sha kudi kudi, Laser zafi da ake daukar kwayar cutar zuwa tushe abu don inganta kayan sha kudi da kuma rage kama-da-wane waldi lalacewa ta hanyar high tunani sabon abu.

 


Lokacin aikawa: Nuwamba-23-2023