Kwenguva yakareba, vanhu vanga vachishandisa nzira dzakasiyana-siyana dzekucheka magirazi. Imwe yenzira idzi ndeyekushandisa maturusi akapinza uye akaomarara akadai sedhaimani kuveza tambo pamusoro pegirazi wobva wawedzera simba rekugadzira kuti ribve.
Nzira iyi yaibatsira zvikuru kare, Zvisinei, sezvo FPD iri kuwedzera kushandisa bhodhi repasi rakatetepa zvakanyanya, matambudziko emhando iyi yenzira anotanga kuoneka. Matambudziko anosanganisira micro-cracking, small notch uye post processing nezvimwewo.
Kune vagadziri, kugadziriswa kwegirazi mushure mekugadzirwa kuchaita kuti riwedzere nguva nemari. Uyezve, zvichakonzerawo kukanganisa kwakaipa nharaunda. Semuenzaniso, mamwe marara achaitika uye akaoma kuchenesa. Uye kuti girazi richeneswe mushure mekugadzirwa, mvura yakawanda ichashandiswa, inova rudzi rwemarara.
Sezvo musika wegirazi uri kuita zvinhu zvakawanda zvine hungwaru, chimiro chakaoma uye bhodhi repasi rakatetepa zvakanyanya, nzira yekucheka nekushandisa michina yataurwa pamusoro apa haichakodzeri mukugadzira magirazi. Nerombo rakanaka, nzira itsva yekucheka magirazi yakagadzirwa uye ndiyo muchina wekucheka nelaser wegirazi.
Tichienzanisa netsika yechinyakare yekucheka girazi, chii chakanakira muchina wekucheka girazi nelaser?
1.Chekutanga, muchina wekucheka girazi nelaser une kugadzirisa kusingabatanidzi, izvo zvinogona kudzivirira zvakanyanya dambudziko re micro-cracking uye small notch.2. Chechipiri, muchina wekucheka nelaser wegirazi unosiya kushushikana kudiki, saka mucheto wekucheka negirazi uchave wakaoma zvikuru. Izvi zvakakosha zvikuru. Kana kushushikana kwasara kwakanyanya, mucheto wekucheka negirazi uri nyore kutsemuka. Izvi zvinoreva kuti, girazi rakachekwa nelaser rinogona kugara nesimba rakapetwa ka1 kusvika kaviri kupfuura girazi rakachekwa nekameniki.
3. Chechitatu, muchina wekucheka nelaser wegirazi haudi kugadziriswa mushure mekushanda uye unoderedza maitiro ese ekushanda. Haudi muchina wekupukuta uye kuchenesa kwakawedzerwa, izvo zvine hushamwari kune nharaunda uye zvinogona kuderedza mari yakawanda yekambani;
4. Chechina, kucheka negirazi nelaser kunochinjika zviri nyore. Kunogona kucheka ne curve-cutting ukuwo kucheka ne mechanical zvechinyakare kuchingogona kucheka ne linear-cutting chete.
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