Sandblasting ibasa rinoshandisa mhepo yakamanikidzwa sesimba rekusundira mabrasives kumusoro kwechishandiso chekugadzirisa. Uku ndiko kunonzi kuputika kwejecha, kunova kwatinoti kupfurwa pfuti. Nokuti pamazuva ekutanga kuputika kwepfuti, jecha ndiro chete raigona kushandiswa, saka kuputika kwepfuti kwainzi kuputika kwejecha panguva iyoyo uye kwenguva refu pashure pacho. Sandblasting inogona kuita kuti nzvimbo yacho icheneswe kuwana hutsanana hunodiwa uye kumwe kushata, uye kunatsiridza kunamatira kwekupotera pachigadziko. Hazvina mhosva kuti kupfeka kwakanaka sei, hakugoni kusungirirwa pamusoro pebasa rekushanda pasina kurapa kwenguva refu kwepamusoro. Chinangwa chekugadzirisa kwepamusoro ndechekuchenesa pamusoro uye kuburitsa roughness inodiwa "kuvhara" iyo yekupfeka pamusoro. Mushure mokunge pamusoro pejecha rakaputirwa nejecha rakaputirwa nekushanda kwakanaka kwemaindasitiri, hupenyu hwebasa rehuputi hunokwana 3.5 nguva yakareba kupfuura hupenyu hwebasa rehumwechete hwehuputi pamusoro pepamusoro hunobatwa nedzimwe nzira. Imwe mukana wejecha blasting (pfuti blasting) ndeyekuti kushata kwepamusoro kunogona kufanotemerwa zvinoenderana nezvinodiwa uye inogona kuwanikwa panguva yekuchenesa.
Frosting is, semuenzaniso, maitiro ayo acosmetic girazi bhodhoroinova yakatsetseka uye inova matte. Chiedza chinovhenekera pamusoro kuti chigadzire ratidziro yakapararira. Mumakemikari echando, girazi rinogadzika nemaoko kana nemaoko ne emery, silica sand, pomegranate poda uye mamwe mabrasives kuti aite nzvimbo yakakasharara yakafanana, kana girazi nezvimwe zvinhu zvinogona kugadziriswa nemushonga wehydrofluoric acid kuita girazi rine chando.
Zvose chando uye sandblasting zvinoshandiswa kuvhara girazi pamusoro, kuitira kuti chiedza chizopararira zvakaenzanirana mushure mokupfuura nemumumvuri wemwenje. Zvakaoma kune vashandisiwo zvavo kusiyanisa pakati peaya matekinoroji maviri. Izvi zvinotevera zvinotsanangura nzira dzekugadzira dzeaya matekinoroji maviri uye maitiro ekuaziva.
1. The frosting process
Frosting inoreva kunyudza girazi mumvura ine asidhi yakagadzirwa (kana kuisa asidhi paste), kusvibisa pamusoro pegirazi neasidhi yakasimba, uye hydrogen fluoride ammonia mumushonga weasidhi yakasimba inoita kuti girazi rigadzire makristasi. Nokudaro, kana kutonhora kwechando kuchiitwa zvakanaka, pamusoro pegirazi regirazi rinonyanya kutsetseka, uye makristasi akapararira anobudisa hazy effect. Kana nzvimbo yacho yakanyanyisa, izvi zvinoratidza kuti asidhi iri kukanganisa zvakanyanya girazi, kana mamwe acho achiri asina makristasi. Hunhu hwekuita uku ndiko kutaridzika kwemakristasi anopenya pagirazi repamusoro rakaumbwa pasi pemamiriro akaomarara. Chikonzero chikuru ndechekuti hydrogen fluoride ammonia yave kuda kupedzwa. Kuti uwane iyi mamiriro, vagadziri vazhinji vakaedza kwakawanda uye zvidzidzo, asi havana kukwanisa kukunda dambudziko iri.
2. Sandblasting teknolojia
Inoshandisa jecha zvidimbu zvakadzingwa nepfuti yekupfapfaidza nekumhanya kukuru kuti irove pamusoro pegirazi kuti iite nzvimbo yakanaka isina kuenzana, nekudaro ichiwana mhedzisiro yekuparadzira mwenje, uye kugadzira kusviba kana chiedza chichipfuura. Pamusoro pezvigadzirwa zvegirazi zvinogadzirwa nejecha rejecha rakashata. Nemhaka yokuti pamusoro pegirazi yakakuvadzwa, inoratidzika segirazi chena maererano ne photosensitivity yegirasi rekutanga rakajeka.
Maitiro maviri akasiyana zvachose. Girazi rechando rinodhura kupfuura girazi rakaputika, uye mhedzisiro yacho inonyanya kuenderana nezvinodiwa nevashandisi. Mamwe magirazi akasiyana haakodzeri chando. Tichitarisa kubva kune yakanakisa kutsvaga, matte inofanira kusarudzwa. Iyo sandblasting process inogona kuitwa mumafekitori akajairwa, asi iyo sandblasting process haisi nyore kuita nemazvo.
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Nguva yekutumira: Aug-25-2021