Kupisa Kudzvanya Post-Machining

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Kunyangwe iyo yechinyakare yakanyatsoiswa dhizaini yekuumba maitiro (FDM) ine zvakasarudzika zvakanakira mukugadzirwa kwezvinhu zvakaomarara zvakaumbwa, izvo zvigadzirwa zvinogadzirwa uchishandisa tekinoroji iyi zvichine matambudziko ekushomeka kwesimba uye kushoma kupisa kupisa.

Kuti uwedzere kusimba kwechigadzirwa, iko kushandisa kureruka, yakasimba simba fiber yakasimbiswa zvinhu inzira inoshanda kwazvo. Vamwe vaongorori vakasanganisa tambo dzakatemwa kuita zvigadzirwa zvemarara uye vakagadzira waya-dzakasimbiswa waya dzeFDM. Kunyangwe iyo yakajairika FDM maitiro akagarwa nenhare dzakatemwa-dzakasimbisirwa waya zvine mukana wekuumba yakaoma geomorphic zvinhu, yayo Kuwedzeredzwa kwesimba kwechigadzirwa hakusi pachena, uye hakukwanisi kusangana nesimba rakakwira zvido zvatave takatarisira . Inofananidzwa nemidziyo yakatemwa yakasimbiswa michina, inoenderera fiber yakasimbiswa zvinhu zvinogona kuwedzera zvakanyanya simba rechigadzirwa, asi nekuda kwekuenderera kwekukwirisa kweiyo fiber, iyo nzira yekuumba ine kushomeka kwekugona kwekuumba zvikamu zvakaomarara zvehurongwa.

Kuti vagadzirise dambudziko rataurwa pamusoro rekuenderera mberi kwefibre yakasimbiswa kuumbwa, vaongorori VANGU uye YK vanobva kuchikoro chepamusoro cheJapan vane hunyanzvi mukugadzirwa uye kugadzirwa kwemhando nyowani ye extrusion kamwene (Mufananidzo 1).

Kusiyana neyakajairika inoenderera michina yakasimbiswa michina, iyo kamwene inoshandisa maviri mafuru ekushandisa kudzora chikafu cheyakaenderera kabhoni fiber yakasimbiswa thermoplastic waya uye yakawedzera resin waya. Iyo inoenderera fiber yakasimbiswa thermoplastic waya inoshandiswa navo tambo yakagadzirwa nePA6-yakaputirwa kabhoni fiber ine dhayamita ye0.3 mm, umo kabhoni fiber vhoriyamu yezvinyorwa Vf inodzorwa pa50%, uye iyo yekuwedzera resin zvinhu inylon 645. Iyo imwechete -muchinjikwa chikamu chakadhindwa nemuromo chinoratidzwa mumufananidzo. 2. Chikamu chepazasi cheiyo imwechete denderedzwa inoramba ichienderera nefibre yakasimbiswa thermoplastic zvinhu, uye chikamu chepamusoro chiri chekuwedzera resin zvinhu. Sezvinoonekwa kubva pamufananidzo, iyo yekuwedzera resin zvinhu inogona kugadzira iyo fiber yekusimbisa. Iyo gully yezvinhu inoderedza kugadzirwa kwemashoma panguva yekudhinda.

Uye zvakare, YANGU neYK vakashandisa iyo michina yakagadzirwa navo kugadzirira tensile specimens uye yakaiswa kune yemagetsi tensile bvunzo. Mhedzisiro yekubvunzurudza yakaratidza kuti iyo elastic modulus E yemasampuli yakasvika 53 Gpa, poisson chiyero t 0.39, uye tensile simba σb 701 MPa.

Zvinoenderana nekucherechedzwa kweYANGU neYK, vakafungidzira kuti kuvapo kwemukati pores mune imwechete chikamu cheiyo yakaumbwa chikamu kwakakanganisa zvikuru michini zvivakwa zvechigadzirwa, uye zvaifungidzirwa kuti vakazo tarisa kupisa kurapwa maitiro zvinoenderana nehunhu hwechinhu ichi kupisa muyenzaniso. Uye kupisa kutsikirira kubvisa mukati porosity. Mhedzisiro yacho yakaratidza kuti kurapwa kwekupisa hakuna kuwedzera zvakanyanya tensile simba remuenzaniso (20%), asi muyenzaniso mushure mekutsikirira kwakapisa kwakapetwa musina kusimba modulus uye tensile simba zvichienzaniswa nesampuli isina kurapwa. Vatsvagiri vanodavira kuti kupisa kunopisa maitiro kunobvisa iyo pores mune monolayer uye kunoguma nekuwedzera kwakakura kwakadaro kwema mechanical zvimiro zvechigadzirwa.

Zvinyorwa:Yamawaki, M., &Kouno, Y. (2018). Kugadzirwa uye mashandiro emuchina yekuenderera mberi kabhoni fiber-yakasimbiswa thermoplastic uchishandisa preform ne-matatu-dimensional kudhinda uye kuburikidza nehot-press molding. Yepamberi Composite Materials, 27(2), 209-219. doi: 10.1080/09243046.2017.1368840

Batanidza kuchinyorwa ichi: Kupisa kutsikisa post-kurapwa 3D kudhinda inoenderera kabhoni fiber yakasimbiswa thermoplastic

Dzokorora Chirevo: Kana pasina mirairo yakakosha, zvinyorwa zvese zviri pasaiti ino ndezvepakutanga. Ndokumbira uratidze kwakabva kudhindazve: https://www.cncmachiningptj.com/, thanks!

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