Chii chinonzi superprecision?

Kutakura superfinishing inzira yekutsvedzerera iri kufamba kwekudya kuti uwane micro-kugaya.

Iyo yepamusoro isati yapedza kupedzisa kazhinji inotendeutswa uye pasi. Kunyanya, inoreva nzira yekutsvedzerera iyo inomanikidza shoma pane yebasa ine yakanaka-grained abrasive chishandiso (oiri dombo) pasi pekuzora kwakanaka uye kutonhora mamiriro, uye inoita kukurumidza uye kupfupi kudzoreredza oscillation motion pane workpiece inotenderera pane imwe. kumhanya mune yakatwasuka yakaoma workpiece kutenderera nzira.

Ndeipi basa rekubereka superfinishing?

Mukugadzira nzira yekugadzira mabheji, superfinishing ndiyo yekupedzisira nzira yekutakura ring process, iyo inoita basa rakakosha mukudzikisa kana kubvisa kutenderera kwedenderedzwa kwakasiiwa nekukuya kugadzira, kugadzirisa chikanganiso chemugero, kunatsa kushata kwayo, kuvandudza zvemuviri uye zvemagetsi zvimiro zvepasi, kuderedza kuzunguzika uye ruzha rwekubereka, uye kuvandudza mishoni yekubereka.

Inogona kubatanidzwa muzvikamu zvitatu zvinotevera

1. Inogona kunyatso kuderedza waviness. Mukuita kwepamusoro-kupedzisa, kuitira kuti ive nechokwadi chekuti dombo remafuta rinogara richiita pane iyo wave wave uye risabatane nechigero, iyo arc yedombo remafuta inosangana neiyo workpiece.≥iyo wavelength yewaviness pamusoro peiyo workpiece, kuitira kuti kudzvanywa kwekusangana kwecrest kwakakura, uye iyo convex peak inobviswa, nekudaro ichideredza waviness.

2. Kuvandudza groove kukanganisa kwebhora rinotakura mujaho. Kupedza-kupedza kunogona kunyatso kuvandudza kukanganisa kwegorofu kweanosvika makumi matatu muzana enzira dzemujaho.

3. Inogona kuburitsa kudzvinyirira kudzvinyirira pamusoro peiyo super-yakanaka kugaya. Mukuita kwepamusoro-soro, kutonhora kwepurasitiki deformation inonyanya kugadzirwa, kuitira kuti mushure mekupedzisira, yakasara yekumanikidza kushushikana inoumbwa pamusoro peiyo workpiece.

4. Inogona kuwedzera nzvimbo yekubatana yenzvimbo yekushanda ye ferrule. Mushure mekupedzisira-kupedza, iyo yekubata inotakura nzvimbo yebasa rekushanda yeferrule inogona kuwedzerwa kubva pa15% ~ 40% mushure mekugaya kusvika ku80% ~ 95%.  

Kutakura superfinishing process:

1. Kuchekwa kwemabheya

 

Kana pamusoro pedombo rekukuya panosangana nepamusoro penzvimbo ine hutsinye hwemujaho, nekuda kwenzvimbo diki yekusangana uye simba rakakura riri panzvimbo yeyuniti, pasi pekuita kweimwe dzvinyiriro, dombo rekukuya rinotanga pasi. iyo "reverse cutting" chiito chekutakura workpiece, kuitira kuti chikamu chezvimedu zveabrasive pamusoro pedombo rekukuya zvinodonha uye chidimbu, zvichiratidza humwe hutsva hunopinza zviyo uye kucheka kwekucheka. Panguva imwecheteyo, bundu repamusoro rebasa rinotakura rinokurumidza kuchekwa, uye crest uye kukuya kuparara kwepamusoro pamusoro pebasa rinotakura rinobviswa nekucheka uye reverse kucheka. Danho iri rinodaidzwa kuti danho rekucheka, uye padanho rino panobviswa mari zhinji yesimbi.

2. Hafu-kucheka mabheya

Sezvo machining achienderera mberi, pamusoro peiyo inotakura workpiece inogadziriswa zvishoma nezvishoma. Panguva ino, nzvimbo yekubatana pakati pebwe rekukuya uye pamusoro pebasa rekushanda rinowedzera, kumanikidzwa kwechikamu chimwe chete kunoderera, kudzika kwekucheka kunoderera, uye simba rekucheka rinoderera. Panguva imwecheteyo, mapores ari pamusoro pebwe rekukuya akavharwa, uye dombo rekukuya riri mu semi-cuting state. Iyi nhanho inozivikanwa sehafu-yakatemwa nhanho yekubereka kupedzisa, umo mavanga ekucheka ari pamusoro peiyo inotakura workpiece inova yakareruka uye ine rima gloss.

3. Danho rekupedzisa

Iyi nhanho inogona kukamurwa kuita nhanho mbiri: imwe idanho rekukuya, uye imwe idanho rekukuya mushure mekuchekwa kwamiswa.

Kukuya shanduko yechikamu:

Mbeu inoputika inozvipinza, mupendero wezviyo zvinoputika zvakanyoroveswa, iyo chip oxide inotanga kuiswa mukati mekusavapo kwedombo remafuta, poda inoputika inovhara matombo ematombo emafuta, kuitira kuti zviyo zvinoputika zvinogona kutemwa chete. isina simba, ichiperekedzwa neextrusion uye kugaya, ipapo kushata kwepamusoro kweiyo workpiece kunokurumidza kuderedzwa, uye pamusoro peibwe remafuta inosungirirwa neblack chip oxide.

Kumisa chikamu chekucheka:

Ibwe remafuta uye workpiece friction pamwe chete yave yakatsetseka, nzvimbo yekubata inowedzerwa zvakanyanya, kudonha kudonhedza, iyo abrasive tsanga yakakwanisa kupinda mufirimu remafuta uye kusangana neiyo workpiece, apo mafuta firimu kudzvanywa kwenzvimbo inotakura. yakaenzana nekumanikidzwa kwedombo remafuta, dombo remafuta rinoyangarara. Panguva yekuumbwa kwefirimu yemafuta, hapana chekucheka. Iyi nhanho yakasarudzika kune superfinishing.