Kusiyana Kwekugadzira Rubber Yechisikigo vs Synthetic Rubber

Zvinhu Zvinokosha Zvaunofanira Kuziva

• Musiyano chaiwo ndewekudzokororwa, kwete kemikari: kupararira kwezvinhu mukati ndikoZvikamu zveMooney 8-12 zverabha yechisikigo zvichienzaniswa ne3-5 MU zveSBR, NBR kana EPDMkubva kumutengesi mumwe chete.
• Simba regirini rinofambisa gadziriro yako yekucheka ne10-30 muzana yekumhanya kwekudyapageji imwe chete ye 0.5 mm, nesilicone pamucheto unononoka.
• Kuchenesa mweya ne cryogenic pa-150 degrees Celsiusinofukidza polymer yese yakajairika nekuti shanduko dzegirazi dzinongobva pamadhigirii -125 kusvika kumadhigirii -20 chete, asi soft silicone flash inodzima nesimba remhepo chete.
• Silicone neFKM zvinowanzoda200-250 degrees Celsius mushure mekupora kwemaawa 4-24rabha yechisikigo inowanzo pedzwa mushure mekunatswa kwesimbi.

Mhinduro pfupi:Rabha yechisikigo nerabha yekugadzira zvinhu zvakasiyana pakugadzirisa zvinhu pazviteshi zvina zvinodhura mari:kuenderana kwebatch pa goods-in, green strength pa cutter, flash failure mode pa deflashing unit, uye kana chikamu chacho chichida kugadziriswa kwechipiriRabha yechisikigo inoparadzira zvikamu 8-12 zveMooney pakati pezvikamu asi inochengetedza chimiro chayo zvakanaka, saka kushivirira kwekucheka kunogona kufamba kwakafara. SBR, NBR, EPDM, FKM uye silicone zvinosvika zvakafanana asi zvine simba shoma regirinhi uye zvinowanzoda 200-250 degrees Celsius mushure mekuporeswa iyo NR isingambofi yakakumbira.

Mutsetse wekugadzira haurasikirwi nemari murabhoritari yemakemikari. Unorasika mari kana chidimbu chakatambanudzwa pasi pechinotenderera, kana misodzi ichibuda panzvimbo pekutyoka, kana kuti chidimbu chikapora ne15 muzana nekukurumidza kupfuura chekupedzisira. Gwaro iri rinotevera chikamu kubva pakuiswa kwezvinhu kusvika pakurongedza uye rinongoratidza mutsauko unomanikidza gadziriro kuchinja.

Chii Chinonyatsosiyana Pakati Perabha Yechisikigo Neyakagadzirwa Mukugadzirwa?

Musiyano unosvika padanho rechitoro ndewekuti zvinhu zvinodzokororwa, kwete chimiro chemamorekuru.Rabha yechisikigo inotorwa kubva mumiti yeHevea uye inoongororwa nevhu, dota uye kunhuhwirira. Nekuti haina kugadzirwa zvinoenderana nechinangwa, unowana chero chakagadzirwa mwaka. Rabha yekugadzira, yakarongwa pasi peISO 1629nemhuri, inogadziriswa kuita polymer kusvika pane zvakatarwa.

Nekuti chimwe chinhu chinoiswa mugiredhi uye chimwe chakatsanangurwa, NR inochinja marongero ako uye rabha yekugadzira inochinja zvikonzero zvako.Kusawirirana kumwe chete uku kunotsanangura mutsauko wese unoshanda uri pazasi.

Sei Kusawirirana Kweboka Kuchisarudza Kushivirira Kwako Kwekucheka?

Nekuti parameter yega yega yekucheka yaunodhaira ipfungwa ye viscosity. A Muchina wekucheka rabha weCNCInobata 0.1 mm yekunyatsonaka kwekudya uye inocheka ukobvu hwe0-20 mm kusvika pakurova 80 paminiti, asi chete kana chinhu chinopinda mubanga chine kuomarara kwakafanana nezvinodiwa.

Rabha yechisikigo inofanira kuchekwa isati yasanganiswa, saka inosvika kwauri iine nhoroondo yekuchekwa inosiyana zvakanyanya. Muzvinyorwa zvevatengi, NR lots inowanzo pararira 8-12 Mooney units (ML 1+4 pa100 degrees Celsius) nepo SBR, NBR neEPDM lots dzakapararira 3-5 MU - zvakajairika kubva pane zvakaitika kwatiri.

Kupararira kweMU 8-12 kunenge kuri 15-20 muzana pakuomarara kwemuviri., zvakakwana kuchinja mashandisirwo anoitwa chidimbu, kuti chinodzokera kure zvakadii mushure mebanga, uye kana chiso chakachekwa chakaenzana kana kuti chakabvaruka.

Nhamba dzehuwandu idzo dzakajairika kubva pane zvatakasangana nazvo, kwete miganhu yekatarogu - dzitarise zvichienderana nekuongorora kwawakaita iwe pachako.

Rubha reSiri uye reSynthetic Rinopatsanurwa Papi Pakubvisa Flash?

Kupatsanurwa kuri pakuti flash inokundikana sei, kwete kuti yakawanda sei.Rabha inopenya yechisikigo inonamira uye inobvarura kuita tambo, SBR neNBR zvinopwanyika, uye silicone flash haina kusimba zvekukwanisa kukweshwa.

Kutonhora ndiko kuenzana kwezvinhu zvose. Kuchinja kwegirazi kunotanga kubva pa -125 degrees Celsius yesilicone kusvika pa -20 degrees Celsius yeFKM, saka amuchina wekuchenesa mvura une nitrogen cryogenicPa -150 degrees Celsius, zvese izvi zvinoisa pasi pe brittle point. Chikwata chedu cheLN2 chinobata 80 L ye roller volume (15-20 kg yezvikamu zvidiki) uye chinotenderera mumaminitsi asingasviki masere pa 20-70 RPM ne pass rate iri pamusoro pe98 muzana.

Cryo haisiriyo nzira yekutanga. Flash yakapfava, ine simba shoma inobuda nemuchina wekubvisa simba remhepo unoshandiswa nemhepopaanenge 4 kg/min yezvemukati, nekutiDai zvisina kudaro waizobhadhara nitrogen yemvura kuti uite basa, kuputika kwemhepo kwehafu yesekondi kwatopera.Tanga nechikamu chezvimedu zvesimbi pa-80 degrees Celsius wodzikisa 10 degrees panguva; nzvimbo inodziya zvikuru inoramba ichipfuura specification yeflash yako ndiyo inochengetedza nitrogen.

Mishonga Yakagadzirwa Inoda Kudzokororwa Kwechipiri Here?

Kazhinji hongu, uye rabha yechisikigo inowanzo kuve kwete.Kupinza NR kunowanzoitwa mukati memuchina wekudzvanya. Silicone neFKM zvinoda kugadziriswa mushure mekubviswa kwemhepo inoputika uye kubatana kwakazara, kana kuti kuomarara nekumanikidzwa zvinoramba zvichifamba-famba mushure mekunge zvikamu zvaiswa mubhokisi.

Chishandiso chakakodzera ndecheovheni inotenderera yekuwedzera vulcanization, kwete kudzvanya kwechipiri. Zvishandiso zvedu zveXCJ-K600 (600 L) uye XCJ-K900 (900 L) zvinomhanya kubva patembiricha yemukamuri kusvika kumadhigirii Celsius makumi maviri nemasere pahita ye10.5 kW, zvinofambisa 3,000 CBM/H yemhepo kuburikidza nedhiramu remaawa makumi mana kuitira kuti nzvimbo yega yega ione tembiricha yakafanana, uye inogamuchira chero nguva yekuporesa kubva pamaawa 0 kusvika 99.99.

Isa mushonga wemushonga mushure mekupora pakadhi rekubika pane kuti uuise mundangariro yemushandisi.Hwindo remaawa mana rinochinja kusvika kumaawa matanhatu rinoshandura kuomarara uye kudzvanywa, uye dziviriro mbiri pamusoro pekupisa iripo nekuti kupisa mushure mekupora kunopisa FKM zvisingadzoreki.

Kudzikira Kunoputsa Sei Kushivirira Kwako Usati Wacheka Chero Chinhu?

Kuoma kwechikamu ndiko uko chikamu chakachekwa zvakanaka chinova chikamu chisina kunaka.Kuchekwa kwechidimbu kwe1.5-4 muzana zvinoreva kuti urefu hwechidimbu hunofanira kupatsanurwa nechinhu chimwe chete kubvisa mufananidzo wechidimbu, kwete kuiswa pachiyero chekudhirowa.ASTM D2000inoisa makirasi ekuomarara uye kushivirira asi kwete kuderera, saka nhamba yacho inofanira kubva mukuyedzwa kwako wega.

Kana yadzikira ne3 muzana, gasket ye50.0 mm yakapedzwa inoda kuchekwa ne51.5 mm. Set ye50.0 mm uye chikamu chacho chatove ne1.5 mm saizi isati yasvika - chikanganiso chisingaonekwe nemushandisi uye mutengi haazochigamuchire.

NR inofamba ne1.5-3 muzana uye inodzikira zvakanyanya pamusoro pegorosi kupfuura iri pedyo nayo, nekuti cheni dzinofamba panguva yekugayiwa. Silicone neFKM zvinofamba ne2-4 muzana uye zvinopindura zvakanyanya pakupisa kunogadziriswa kupfuura nguva, saka resipi imwecheteyo pakudhinda kwakasiyana inogona kuwira kunze kwekushivirira.

Ndeipi Nzira Yekuchenesa Inokodzera Polima Ipi?

Enzanisa washes nezvinotakurwa pamusoro, kwete nezvinogadzirwa nechikamu chacho.Zvikamu zveNR zvinosvika zvakafukidzwa netalc kana sipo isingatakurike nezvikamu zvakagadzirwa, uye NR inozvimba mumvura asi silicone isingazviputi.

Iyomuchina wekuchenesa nekuomesa rabhaXCJ-QXJ 600 inoshandisa dhiramu re304 risinganyanyi kusviba rine dhayamita ye600 mm nehurefu hwe1,000 mm, inotora 15-30 kg pamutoro wega wega uye inoshandisa mapoka matatu ane zvikamu zvitanhatu. Inoshandisa 20 L/min yemvura (0.1 tonnes pamaminitsi matanhatu ekusuka) uye 2.5 kWh yekuchenesa nekuomesa kwemaminitsi makumi maviri pa12 kW / 380 V, ine ma nozzles anotenderera asingasiyi nzvimbo dzakavanda.

Pakushambidza NR, shandisa wash pfupi inobvisa guruva, nekuti kunyudza kwenguva refu kunodziisa chikamu mushure mekunge watochiongorora. Pakushambidza silicone, danho rekuwedzera rinowana nzvimbo yaro: wash yemvura chete inosiya firimu iro rinozoonekwa sekutadza kubatana panhare yemutengi.

Unoita Sei Kuti Uwane Mutsetse weCompound Itsva?

Dzokorora matanho mashanu, uye usapotsa rekutanga.Mazhinji maswitch ezvinhu akakundikana anokundikana nekuti hapana hwaro hwekutanga hwakanyorwa, saka hapana anogona kuratidza kuti chii chakachinja.

1. Bvisa spec iri kuuya mufiriji.Nyora pasi kuomarara kweMooney, kuomarara, simba regiravhiti rakati wandei uye nhamba yenzvimbo nhatu usati wabata nzvimbo yacho.
2. Cheka zvakare chinhu chekutanga nekumhanya kwekupa zvinhu katatu.Chengeta chinononoka kupfuura zvimwe zvose, sezvo kumhanya kwakanyanya pachinhu chisina kusimba zvakanyanya chinongotenga marara chete.
3. Tsvaga hwindo rakapfava pazvimedu.Tanga pa -80 degrees Celsius wodzikisa pasi madhigirii gumi kusvika chiedza chabuda panzvimbo pekubvaruka.
4. Ongororazve urefu hwekucheka kubva pakuyera kuderera.Yera zvikamu zvishanu maawa makumi maviri nemana mushure mekupora, kwete pazuva iroro, nekuti chidimbu chikuru chinopera muhwindo iroro.
5. Nyora resipi yekurapa mushure mekupora kune anoidzora.Mwero wekukwira kwemvura, tembiricha yekumira, nguva yekumira uye mwero wekutonhora, zvese zviri zvina, kwete chete nzvimbo yakatarwa.

Mhedziso: Ndechipi Chinyorwa Chaunofanira Kuenzanisa Pachiri?

Gadzirisa zvinhu zvaunogona kudzora nekutarisa kwako.Musanganiswa wekugadzira une 3 MU yekupararira unokutendera kuti uite zviito zvakasimba uye utarise zvishoma zvekutanga, izvo zvinokosha kupfuura chero chinhu chimwe chete. NR inowana nzvimbo yayo apo kusimba kwemuviri uye simba rekubvaruka kunokosha kupfuura kudzokorora - uye wobva watenga kutsungirira nekumhanya kunononoka kwekudya uye kushambidzwa kupfupi.

Chero mhuri yaunomhanya nayo, marongero acho anogara mumuchina, kwete mupolymer. Tumira compound yako, gauge uye flash specification uye tichaenzanisakubvisa tsvinakana kudimbura gadziriro yacho.