Nkhani Za Kampani

Njira yopukutira ya nkhungu ya pulasitiki

Kupukuta kwamakina

Kupukuta kwamakina ndi njira yopukutira yomwe imadalira kudula ndi kusinthika kwa pulasitiki kwa zinthu zakuthupi kuti achotse magawo opukutidwa a convex kuti apeze malo osalala. Nthawi zambiri, timitengo tamiyala yamafuta, mawilo aubweya, sandpaper, ndi zina zotere zimagwiritsidwa ntchito, ndipo ntchito zamanja ndiyo njira yayikulu. Zigawo zapadera monga pamwamba pa thupi lozungulira zingagwiritsidwe ntchito. Pogwiritsa ntchito zida zothandizira monga ma turntables, kupukuta kopitilira muyeso kumatha kugwiritsidwa ntchito kwa omwe ali ndi zofunikira zapamwamba kwambiri. Kupukuta kopitilira muyeso ndiko kugwiritsa ntchito zida zapadera zopukutira, zomwe zimapanikizidwa mwamphamvu pamwamba pa chogwirira ntchito mumadzi opukutira okhala ndi ma abrasives ozungulira kwambiri. Pogwiritsa ntchito luso limeneli, pamwamba roughness Ra0.008μm akhoza kukwaniritsa, amene ali apamwamba kwambiri pakati pa njira zosiyanasiyana kupukuta. Nthawi zambiri ma lens amawumba amagwiritsa ntchito njirayi.

Mankhwala kupukuta

Kupukuta kwa Chemical ndiko kupanga pamwamba pa ma convex ang'onoang'ono a zinthu zomwe zili mu sing'anga yamankhwala kuti zisungunuke makamaka kuposa gawo la concave, kuti lipeze malo osalala. Ubwino waukulu wa njirayi ndikuti sichifuna zida zovuta, imatha kupukuta zida zogwirira ntchito ndi mawonekedwe ovuta, ndipo imatha kupukuta zida zambiri panthawi imodzi, ndikuchita bwino kwambiri. Vuto lalikulu la kupukuta kwa mankhwala ndikukonzekera madzi opukutira. Kuuma kwapamwamba komwe kumapezeka ndi kupukuta kwamankhwala nthawi zambiri kumakhala 10 μm zingapo.

Electrolytic kupukuta

Mfundo yaikulu ya kupukuta kwa electrolytic ndi yofanana ndi ya kupukuta mankhwala, ndiko kuti, mwa kusankha kusungunula ting'onoting'ono tating'ono pamwamba pa zinthu kuti pamwamba pakhale bwino. Poyerekeza ndi kupukuta kwa mankhwala, zotsatira za cathode reaction zimatha kuthetsedwa, ndipo zotsatira zake zimakhala bwino. Njira yopukutira ma electrochemical imagawidwa m'magawo awiri: (1) Kuyika kwa macroscopic Zinthu zosungunuka zimafalikira mu electrolyte, ndipo kuuma kwa geometric kumachepa, Ra> 1μm. ⑵ Kuwala kwapang'onopang'ono: Kuyika kwa anode, kuwala kwapamwamba kumapangidwa bwino, Ra <1μm.

Akupanga kupukuta

Ikani workpiece mu abrasive kuyimitsidwa ndi kuziyika pamodzi mu akupanga kumunda, kudalira oscillation zotsatira za akupanga, kuti abrasive ndi pansi ndi opukutidwa padziko workpiece. Akupanga Machining ali ang'onoang'ono macroscopic mphamvu ndipo sizidzachititsa mapindikidwe workpiece, koma n'zovuta kupanga ndi kukhazikitsa tooling. Akupanga processing akhoza pamodzi ndi mankhwala kapena electrochemical njira. Pamaziko a njira dzimbiri ndi electrolysis, akupanga kugwedera umagwiritsidwa ntchito kusonkhezera njira, kuti kusungunuka mankhwala padziko workpiece anapatukana, ndi dzimbiri kapena electrolyte pafupi padziko ndi yunifolomu; cavitation zotsatira za akupanga mu madzi angathe ziletsa dzimbiri ndondomeko atsogolere pamwamba kuwala.

Kupukuta kwamadzimadzi

Kupukuta kwamadzimadzi kumadalira pamadzi othamanga kwambiri komanso tinthu tating'onoting'ono tomwe timanyamula kuti titsuka pamwamba pa workpiece kuti tikwaniritse cholinga cha kupukuta. Njira zomwe zimagwiritsidwa ntchito ndi: abrasive jet processing, liquid jet processing, hydrodynamic akupera ndi zina zotero. Kugaya kwa Hydrodynamic kumayendetsedwa ndi kuthamanga kwa hydraulic kuti sing'anga yamadzi yonyamula tinthu ta abrasive kuyenda mmbuyo ndi mtsogolo kudutsa chogwirira ntchito mwachangu kwambiri. Sing'anga imapangidwa makamaka ndi mankhwala apadera (polima-ngati zinthu) ndikuyenda bwino pansi pa kupanikizika kochepa komanso kusakaniza ndi abrasives. Ma abrasives amatha kupangidwa ndi silicon carbide powder.

Maginito akupera ndi kupukuta

Maginito abrasive polishing ndi kugwiritsa ntchito maginito abrasives kupanga maburashi abrasive pansi pa zochita za maginito kuti akupera workpiece. Njira imeneyi ali mkulu processing dzuwa, khalidwe labwino, kulamulira mosavuta zinthu processing ndi zinthu zabwino ntchito. Pogwiritsa ntchito ma abrasives abwino, kuuma kwapamwamba kumatha kufika Ra0.1μm. 2 Kupukuta kwamakina kutengera njira iyi Kupukuta komwe kumatchulidwa pokonza nkhungu za pulasitiki ndikosiyana kwambiri ndi kupukuta pamwamba kumafunika m'mafakitale ena. Kunena zoona, kupukuta kwa nkhungu kumayenera kutchedwa galasi processing. Sizingokhala ndi zofunikira zapamwamba zodzipukuta zokha, komanso zimakhala ndi miyezo yapamwamba ya flatness pamwamba, kusalala ndi kulondola kwa geometric. Kupukuta pamwamba nthawi zambiri kumangofunika malo owala. Muyezo wa galasi pamwamba processing wagawidwa magawo anayi: AO = Ra0.008μm, A1 = Ra0.016μm, A3 = Ra0.032μm, A4 = Ra0.063μm. Ndizovuta kuwongolera kulondola kwa magawo a geometric chifukwa cha njira monga kupukuta kwa electrolytic ndi kupukuta kwamadzimadzi. Komabe, pamwamba khalidwe la mankhwala kupukuta, akupanga kupukuta, maginito abrasive kupukuta ndi njira zina si kwa zofunika, kotero galasi processing wa zisamere pachakudya mwatsatanetsatane akadali makamaka makina kupukuta.