Valve grinding pastes. Ndeupi wekusarudza?

Sei uchikuya mavharuvhu?

Lapping imhando yekupukuta, kana mabrasive particles, achiwira pakati pezvikamu zvekuoma kwakasiyana, akaiswa mune yakapfava zvinhu. Nekuda kweizvozvo, hutsanana hwepamusoro hwechigadzirwa chakaoma mune friction pair inowedzera. Lapping makomisheni anoshandiswa zvakanyanya mukuita kwekugadzirisa otomatiki kuti uwane iyo chaiyo mating yeangular zviyero zvevhavha uye chigaro. Kune mavharuvhu akavharwa zvakanaka, nzvimbo yekubata inopeta kaviri.

Kurongeka kwemhando yepamusoro kwemavharuvhu nokudaro kunogadzirisa matambudziko maviri:

• Inogadzira chisimbiso chiri nani pakati pevharuvhu uye musoro, izvo zvinodzivirira magasi kubva pakupukunyuka panguva yekumanikidza sitiroko.
• Inodzivirira kupisa kwemavharuvhu, sezvo iyo yakawedzera yekusangana nzvimbo inopa nani kupisa kupisa kubva kumavharuvhu kuenda kumusoro.

Kuputika kunoitwa nekushandisa yakakosha kuumbwa - lapping paste yemavharuvhu - kumicheto yemavharuvhu, ichiteverwa nekutenderera kwavo pamusoro pemusoro.

Kuumbwa kwekukuya paste

Izvo zvakakosha zvevhavha lapping pastes ndezvi:

1. Oiri inowedzera kupisa simba uye inoderedza tembiricha pane yakavharwa. Mamwe mapepa, kuitira kuderedza viscosity, anobudiswa pamvura.
2. Abrasive yakaraswa zvakanaka yekukwenenzverwa.
3. Antioxidants inoderedza mechanochemical kupfeka.
4. Corrosion inhibitors ine simba rakanaka pakugara kwevhavha.
5. Mishonga inovhenekera.

Kubudirira kwechero paste yekuputira mavharuvhu kunotemwa nerudzi rweabrasive. Carborundum, diamond grit, silicon dioxide, girazi, aluminium oxide, pamwe nesilicon uye boron carbides inoshandiswa.

Lapping paste yemavharuvhu inokamurwa kubva kune yakakora kuenda kune yakanaka. Mune coarse paste, ma abrasive particles akakura zvakakwana, saka anoshandiswa pakurovha. Iyo yakakwira saizi yegrit yerapping paste, iyo yakapfava iyo kupeta inogona kuitwa nayo.

Oiri uye paste yekukuya zvine mabasa anopesana: nepo abrasive ichiwedzera kupokana, mafuta anowanzo kudzikisa, uku achidzikamisa chiito chekucheka. Oiri (kana mvura) zvakare ndiyo hwaro umo maabrasive particles anofamba panguva yekupwanya.

Vamwe vashandisi vanongo dzikisa viscosity yekutanga yekunamira, izvo zvisingagamuchirwi: semhedzisiro, simba rekurodha uye kucheka mhedzisiro yeabrasive particles pane yakapfekwa nzvimbo inoderedzwa. Izvo zvimedu pachazvo zvinoshambidzwa nekukurumidza, izvo zvinotungamira mukuwedzera kwekushandiswa kweiyo lapping compound.

Lapping features

Pasinei nerudzi rwevhavha inoputika paste, iwe unofanirwa kutevedzera kune anotevera kurudziro:

1. Usati watanga basa, zvinodikanwa kudzvanya chikamu chakaputirwa zvakaenzana sezvinobvira kune layer yelapping paste.
2. Iyo yekuputira chinhu chinofanirwa kugara ichidzvanywa panguva yekuputira kusvika yakawandisa kuumbwa kwaonekwa mugevha pakati pezvikamu.
3. Kutenderera kwepamakumbo kunofanira kuitwa kusvikira simba rekufambisa zvikamu zvekusangana richiderera: izvi zvinoratidza kuti zvimedu zvinoputika zvinonyungudutswa kubva munzvimbo yekugadzira, uye kune mafuta chete kana mvura inosungirirwa.
4. Kana kupfekwa kuchida kuenderera mberi, chifukidzo chekare chinobviswa uye chinyoro chitsva chinoiswa.

Kudzora kwemhando yekuvhara vharafu kumba kunogona kuitwa nenzira mbiri - "papenzura" uye "paparafini". Muchiitiko chekutanga, kusvika kumatanho matanhatu anoshandiswa kumusoro uchishandisa penzura yakapfava, iyo inofanirwa kunge iri munzvimbo yeradial. Zvikamu zvepasi zvinoshandiswa, uye 2 ... 3 kutendeuka kunoitwa. Kana njodzi dzichiripo, kurovera kunofanira kuenderera mberi. Kuti utarise "kune parafini", zvikamu zvekusangana zvinopukutwa zvakaoma uye zvinoiswa papepa rechena pepa chena, mushure mezvo kerosene shoma inodururwa mugomba. Kana mushure meawa 6-7 pasina mitsara yeparafini kune rumwe rutivi, kugaya kunogona kunzi kwakakwana.

nzira yekukuya valve uye kutarisa kunaka kwekukuya

Valve lapping paste. Chii chiri nani?

Iyo inotevera chiyero chema paste inounganidzwa zvakanyanya pahwaro hwemhinduro kubva kune vatyairi ivo pachavo:

1. "Classic" (mugadziri VMPavto, Russia). Inokodzera marudzi ese einjini, inoratidzira maviri-chikamu kuumbwa, iyo inokutendera iwe kuti ugare uchiita coarse uye yakanaka kugaya. Hukuru hwezviyo hunobva pa 0,53 kusvika 0,9 microns, uye dzinouya mukushanda zvishoma nezvishoma, sezvo kushata kwenzvimbo dzakarapwa kunochinja. Mutengo wenyaya - kubva ku600 rubles. nokuda kwe400 g yechigadzirwa. Zvinofanira kucherechedzwa kuti VMPAuto inogadzira mapeji akasarudzika pasi peiyo mhando - dhaimondi uye nyanzvi, iyo yakakodzera, zvichiteerana, chete kune dizeli uye peturu injini. Mutengo wezviputi zvakadaro wakakwirira: semuenzaniso, yedhaimondi - kubva ku220 rubles. pasuru 100 g.
2. ABRO Grinding Paste GP-201 kubva kuABRO trademark (USA). Iyo ine zvakare yakaomesesa uye yakanaka-grained zvikamu, izvo zviri munzvimbo dzakasiyana dzemudziyo. Economical mukushandiswa, yakachengetedzwa zvakanaka pane yakarukwa. Mutengo wepasuru inorema 100 g inobva ku150 rubles.

3. Mhedzisiro (yakagadzirwa muSt. Petersburg). Iyo pasuru inosanganisira mabhodhoro maviri eakakasharara uye akatsetseka paste, pamwe nedhishi rekufambisa kufambisa. Mutengo - kubva ku160 rubles. nokuda kwe90 g yechigadzirwa.
4. Permatex (mugadziri - USA). Iyo ndeyeboka rezvakasanganiswa mvura-soluble pastes, iyo yausingagone chete kukuya mavharuvhu, asiwo kuchenesa chrome nzvimbo dzemotokari. Mutengo - kubva ku550 rubles. yekurongedza.

Izvo zvinofanirwa kucherechedzwa kuti kupatsanurwa kwekukuya paste kuita inyanzvi uye yeamateur inongopokana, uye inoratidzwa chete muhuwandu hwechigadzirwa chimwe chete.

Maitiro ekugadzira lapping paste nemaoko ako pachako, ekuvhara mavharuvhu