Mahimman abubuwan ilimi masu gogewa

Yin goge-goge a cikin sarrafa ƙura ya sha bamban da gogewar da ake buƙata a wasu masana'antu. Gyaran fuskar sama yawanci yana buƙatar samun fili mai haske kawai, yayin da gyare-gyaren gyare-gyare, da gaske yake magana, yakamata a kira shi sarrafa madubi. Ba wai kawai polishing kanta yana da manyan buƙatu ba, amma har ila yau yana da ma'auni masu girma don shimfidar ƙasa, santsi, da daidaiton geometric.

Specific hanyoyin da madubi polishing na molds

Kan aiwatar da mold madubi polishing ne yafi don rage roughness na workpiece surface. Daban-daban mold polishing tsare-tsaren da aka bayar domin daban-daban mold polishing. Akwai hanyoyi da yawa don polishing mold:

(1) Gyaran injina. Wannan hanya galibi ta dogara ne akan yanke ko nakasar filastik na saman kayan don cire sassan sassa na saman don samun fili mai santsi. Akan yi amfani da kayan aiki irin su ƙwanƙolin dutsen mai, ƙafafun ulu, da takarda yashi, kuma aikin hannu shine babbar hanyar. Don kyawon tsayuwa tare da buƙatun ingancin saman ƙasa, ana iya amfani da hanyar gogewa mai madaidaici. Wannan hanya za ta iya amfani da kayan aikin abrasive na musamman da ruwa mai gogewa wanda ke ɗauke da abrasives don cimma ƙarancin ƙasa sosai.

(2) Yin gogewar sinadarai. gyare-gyaren sinadarai ya ƙunshi sanya ƙura a cikin matsakaicin sinadari, ta yin amfani da aikin sinadari don fi son narkar da abubuwan da ke saman saman, yana haifar da santsi. Wannan hanyar ba ta buƙatar kayan aiki masu rikitarwa, tana iya goge kayan aiki tare da hadaddun sifofi, da aiwatar da kayan aiki da yawa a lokaci guda, amma ƙarancin saman zai iya kaiwa kusan μm kawai.

(3) Electrolytic polishing. Ka'idar electropolishing yayi kama da gogewar sinadarai, goge saman ta hanyar zaɓin narkar da ƙananan ƙwararru akan saman ƙirar. Wannan hanya na iya kawar da tasirin tasirin cathode kuma ya sami sakamako mai kyau na gogewa.

(4) Ultrasonic polishing. A workpiece da aka sanya a cikin abrasive dakatar da sanya a cikin ultrasonic filin, da oscillation na ultrasonic taguwar ruwa da ake amfani da nika da goge saman da workpiece. Wannan hanya tana da ƙananan ƙarfin macroscopic kuma ba zai haifar da lalacewa na aikin ba, amma samarwa da shigarwa na kayan aiki ya fi wuya.

(5) Gyaran ruwa. Wannan hanyar ta dogara ne da ruwa mai gudu mai sauri da ɓangarorin abrasive da yake ɗauka don wanke saman kayan aikin don cimma sakamako mai gogewa. Ciki har da injina abrasive jet machining, ruwa jet machining, ruwa ikon nika, da dai sauransu.

(6) Magnetic nika da goge baki. Ana amfani da abrasives na Magnetic don samar da goga mai gogewa a ƙarƙashin aikin filin maganadisu don niƙa kayan aikin.

Kowane ɗayan waɗannan hanyoyin suna da halayenta kuma sun dace da nau'ikan molds da buƙatun yanayi daban-daban. Wace hanya za a zaɓa ya dogara da dalilai kamar ƙayyadaddun buƙatun tsari, yanayin kayan aiki, da tattalin arziki. Gabaɗaya, hanyoyin gyaran gyare-gyare na yau da kullun sune hanyoyin uku na farko.

Amfanin goge goge

(1) Bayan polishing, da mold cavity zai zama santsi, sa shi sauki demould a lokacin samar da tsari, inganta samar da inganci, rage samar sake zagayowar, da kuma cimma farashin rage.

(2) Kayan kwalliyar da aka goge yana da ƙananan ƙazanta, mafi girman lebur da santsi, don haka samfuran da aka samar suna da kyan gani da kyan gani, sun fi karɓa, kuma suna iya buɗe kasuwa cikin sauƙi.

(3) Na gaskanta cewa mutane da yawa sun san tsadar buɗaɗɗen gyare-gyare, don haka bayan an goge gyare-gyare da yawa, abokan ciniki za su yi amfani da lantarki. Bayan yin amfani da na'urar lantarki, gyare-gyaren sun fi jure lalacewa da kuma jurewa lalata, wanda ke kara yawan amfani da gyare-gyaren. rayuwa.

(4) Bayan mold polishing, da daidaito na mold matching surface za a iya inganta su hana burrs daga shafi al'ada samar.

Hanyoyi na asali don gogewar hannu

Domin samun sakamako mai kyau na goge goge, yana da mahimmanci a sami kayan aikin gogewa da na'urorin haɗi masu inganci, kamar duwatsun mai, takarda yashi, man goge lu'u-lu'u, da dai sauransu, sannan a yi goge-goge (hannu). Hakanan akwai yanayin aiki mai gogewa wanda ke buƙatar taron bita mara ƙura. Zaɓin hanyar goge goge ya dogara da yanayin saman bayan aiki na farko, kamar mashin ɗin, injin fitarwa na lantarki, niƙa, da sauransu.

Wadanne batutuwa ya kamata a kula da su yayin goge goge da hannu?

Kada ku lalata tsarin aikin aikin; kada ku lalata kusurwoyi masu zagaye na workpiece, kuma kada ku lalata ma'anar daftarin kusurwa; kula da tsari na amfani da kayan aikin gogewa; kula da tsananin polishing.

Lokacin yin yashi tare da sandpaper, ya kamata ku kula da waɗannan abubuwan:

(1) Yi amfani da ƙugiya ko sandunan gora a yi musu yashi da takarda yashi. Lokacin goge saman zagaye ko zagaye, yin amfani da abin toshe kwalaba zai fi dacewa da lanƙwan zagaye da saman saman. Itace mai wuya, irin su ceri, sun fi dacewa da filaye masu laushi. Yanke ƙarshen ɓangarorin katako don yin su daidai da yanayin saman sassa na ƙarfe don hana kusurwoyi masu kaifi na igiyoyin katako (ko bamboo tube) daga tuntuɓar saman sassan ƙarfe da haifar da ɓarna mai zurfi.

(2) Lokacin amfani da nau'in yashi daban-daban, jagorancin niƙa ya kamata ya canza tsakanin 45 ° da 90 °, kuma ya kamata a bambanta ratsi da inuwa da yashi na baya ya bari. Kafin canza zuwa wani nau'in yashi na daban, dole ne a goge saman da ke gogewa a hankali tare da ruwan tsaftacewa, saboda ƙaramin tsakuwa da ya rage a saman zai rushe gabaɗayan aikin gogewa. Wannan tsarin tsaftacewa yana da mahimmanci yayin sauyawa daga gogewar yashi zuwa lu'u-lu'u abrasive manna polishing. Duk barbashi da kananzir dole ne a cire su kafin a kara gogewa.

(3) Don gujewa tadawa da kona saman kayan aikin, dole ne a kula da musamman lokacin yin sandpaper #1200 da #1500. Don haka ɗauka da sauƙi kuma a yi amfani da hanyar gogewa ta mataki biyu don goge saman. Lokacin yin yashi tare da kowane nau'in yashi, yakamata a yi yashi sau biyu a cikin kwatance daban-daban, yana jujjuya digiri 45-90 tsakanin kwatance biyu kowane lokaci.