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Chidziwitso cha SAS cha mzere wothamanga kwambiri

SAS(Serial Attached SCSI) ndi m'badwo watsopano waukadaulo wa SCSI. Ndizofanana ndi ma hard disks otchuka a seri ATA (SATA). Imagwiritsa ntchito ukadaulo wa seri kuti ikwaniritse kuthamanga kwambiri ndikuwongolera malo amkati mwa kufupikitsa chingwe cholumikizira. Pakuti opanda waya waya, panopa makamaka kuchokera ntchito magetsi kusiyanitsa, ogaŵikana 6G ndi 12G, SAS4.0 24G, koma ndondomeko waukulu kupanga kwenikweni chimodzimodzi, lero tikubwera kugawana, Mini SAS anabala waya oyamba ndi kupanga magawo ulamuliro ndondomeko. Kwa SAS high frequency line, impedance, attenuation, loop loss, crosswish ndi zizindikiro zina zopatsirana ndizofunikira kwambiri, ndipo SAS high frequency line working frequency nthawi zambiri imakhala 2.5GHz kapena kupitilira apo, tiyeni tiwone momwe tingapangire mzere wothamanga kwambiri SAS.

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Tanthauzo la mawonekedwe a chingwe cha SAS

Kutayika kochepa pazingwe zoyankhulirana pafupipafupi kumapangidwa ndi polyethylene yotulutsa thovu kapena thovu la polypropylene ngati zida zotchinjiriza, ma conductor awiri otsekeredwa ndi waya pansi (msika ulinso ndi wopanga AMAPHUNZITSA njira ziwiri) mumayendedwe oyendetsa ndege, kunja kwa kondakitala wa insulated ndi mafunde a waya pansi ndi zojambulazo za aluminiyamu ndi lamba wa polyester, lamba wa polyester, kapangidwe kake kamangidwe komanso kuwongolera magetsi.

Zofunikira kwa ma conductor

Kwa SAS, yomwe ilinso mzere wothamanga kwambiri, kufanana kwapangidwe kwa gawo lililonse ndilofunika kwambiri kuti mudziwe mafupipafupi a chingwe. Choncho, monga kondakitala mkulu pafupipafupi kufala mzere, pamwamba ndi yozungulira ndi yosalala, ndi mkati latisi dongosolo dongosolo ndi yunifolomu ndi khola, kuonetsetsa yunifolomu ntchito magetsi mu njira kutalika; Kondakitala ayeneranso kukhala ndi kukana kwa DC kochepa; Nthawi yomweyo ziyenera kupewedwa chifukwa cha waya, zida, kapena chipangizo china chamkati chamkati chopindika nthawi ndi nthawi kapena kupindika pang'onopang'ono, mapindikidwe ndi kuwonongeka, ndi zina zambiri, mu mizere yotumizira pafupipafupi, kukana kwa conductor kumachitika chifukwa cha kutsekeka kwa chingwe (magawo apamwamba apansi pa pepala 01 - attenuation) pazifukwa zazikulu, pali njira ziwiri zochepetsera kukana kwa conductor ndi kutsika kwa conductor: kusankha kukana kwa conductor. Pamene awiri kondakitala chiwonjezeke, kuti akwaniritse zofunikira za khalidwe impedance, m'mimba mwake akunja kutchinjiriza ndi yomalizidwa mankhwala ayenera ziwonjezeke moyenerera, kuchititsa kuwonjezeka mtengo ndi zovuta processing. Ambiri ntchito otsika resistivity zipangizo conductive kwa siliva, chiphunzitso, AMAGWIRITSA NTCHITO kondakitala siliva, yomalizidwa mankhwala awiri adzakhala kuchepetsa, adzakhala ndi ntchito yaikulu, koma chifukwa mtengo wa siliva ndi wapamwamba kwambiri kuposa mtengo wamkuwa, mtengo wokwera kwambiri, sangathe kupanga, kuti athe kuganizira mtengo ndi otsika resistivity, tinagwiritsa ntchito khungu zotsatira, kupanga kondakitala chingwe, pakali pano, kukumana ndi SAS kondakitala mkuwa, pakali pano, kukumana ndi SAS conductor mkuwa. 12G ndi 24G ayamba kugwiritsa ntchito kondakitala wasiliva.

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Pakakhala malo osinthira apano kapena osinthira ma elekitiroma mu kondakitala, chodabwitsa cha kugawa kosafanana kwapano chidzachitika mu kondakitala. Pamene mtunda kuchokera pamwamba pa kondakita ukuwonjezeka, kachulukidwe panopa mu kondakitala amachepetsa exponentially, ndiko kuti, panopa mu kondakitala amaika patsogolo pa kondakitala. Kuchokera pamawonedwe a gawo la mtanda perpendicular kwa malangizo a panopa, mphamvu panopa pakati pa kondakitala kwenikweni ziro, ndiye kuti, palibe pafupifupi otaya panopa, kokha mu gawo la kondakitala m'mphepete adzakhala ndi sub-otaya. M'mawu osavuta, pompopompo imakhazikika mu gawo la "khungu" la kondakitala, chifukwa chake imatchedwa zotsatira za khungu ndipo zotsatira zake zimayamba chifukwa cha kusintha kwa maginito amagetsi kumapanga gawo lamagetsi la vortex mkati mwa kondakitala, lomwe limaletsa mphamvu yamagetsi yoyambira. Khungu zotsatira zimapangitsa kukana wa kondakitala ukuwonjezeka ndi pafupipafupi alternating kuwonjezeka panopa, ndipo kumabweretsa kuchepa dzuwa dzuwa kufala kwa waya, ntchito zitsulo chuma, koma mu kamangidwe ka mkulu pafupipafupi kulankhulana chingwe, koma angagwiritse ntchito mfundo imeneyi, ndi njira plating siliva padziko kuti akwaniritse zomwezo amafuna ntchito pansi pa maziko a kuchepetsa kumwa zitsulo, motero kuchepetsa mtengo.

Zofunikira za insulation

Insulation medium iyenera kukhala yofanana, yomwe ili yofanana ndi ya conductor. Kuti mupeze chocheperako chocheperako cha dielectric S ndi tangent ya Dielectric loss Angle, zingwe za SAS nthawi zambiri zimatsekeredwa ndi PP kapena FEP, ndipo zingwe zina za SAS zimayikidwanso ndi thovu. Digiri ya thovu ikakhala yoposa 45%, kutulutsa thovu kwamankhwala kumakhala kovuta, ndipo digiri ya thovu sikhazikika, kotero chingwe chopitilira 12G chiyenera kutengera thovu lakuthupi.

Ntchito yayikulu ya endodermis yokhala ndi thovu ndikuwonjezera kulumikizana pakati pa conductor ndi kutchinjiriza. Kulumikizana kwina kuyenera kutsimikiziridwa pakati pa wosanjikiza wotsekera ndi woyendetsa; mwinamwake, kusiyana kwa mpweya kupangidwa pakati pa wosanjikiza insulating ndi kondakitala, kuchititsa kusintha kwa dielectric zonse £ ndi tangent mtengo wa dielectric imfa Angle.

Polyethylene kutchinjiriza zakuthupi ndi extruded kwa mphuno kudzera wononga, ndipo mwadzidzidzi poyera kupanikizika mumlengalenga pa kutuluka kwa mphuno, kupanga mabowo ndi kulumikiza thovu. Chotsatira chake, mpweya umatulutsidwa mumpata pakati pa kondakitala ndi kutsegula kufa, kupanga dzenje lalitali la kuwira pamwamba pa kondakitala. Kuthetsa mavuto awiri omwe ali pamwambawa, ndikofunikira kutulutsa chithovu nthawi imodzi ... Khungu lopyapyala limakanikizidwa mkati kuti mpweya usatuluke pamwamba pa kondakitala, ndipo wosanjikiza wamkati ukhoza kusindikiza thovulo kuti zitsimikizire kukhazikika kofananira kwa sing'anga yopatsirana, kuti achepetse kutsika ndi kuchedwa kwa chingwe, ndikuwonetsetsa kuti chingwecho chikuyenda mokhazikika. Pakusankhidwa kwa endodermis, kuyenera kukwaniritsa zofunikira zowonda-khoma laling'ono pansi pamikhalidwe yothamanga kwambiri, ndiye kuti, zinthuzo ziyenera kukhala ndi zinthu zabwino kwambiri zamakokedwe. LLDPE ndiye chisankho chabwino kwambiri kuti mukwaniritse izi.

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Zida zofunika

Waya wosakanizidwa ndiye maziko opangira chingwe, ndipo mtundu wa waya wapakati uli ndi chikoka chofunikira kwambiri panjira yotsatila. Potengera waya pachimake, zida zopangira zimayenera kukhala ndi kuyang'anira ndi kuwongolera pa intaneti kuti zitsimikizire kufanana ndi kukhazikika kwa waya pachimake, ndikuwongolera magawo, kuphatikiza ma waya pachimake, capacitance m'madzi, concentricity, etc.

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Musanasiyanitse mawaya, m'pofunika kutentha lamba wodzimatira wa poliyesitala kuti asungunuke ndi kumangiriza zomatira zotentha zosungunuka pa lamba wodzimatira wa poliyesitala. Gawo lotentha losungunuka limatenga chotenthetsera chotenthetsera chamagetsi chamagetsi, chomwe chimatha kusintha kutentha koyenera malinga ndi zosowa zenizeni. Pali njira zoyimirira komanso zopingasa za preheater wamba. Chotenthetsera choyimirira chimatha kupulumutsa malo, koma mawaya okhotakhota amayenera kudutsa mawilo angapo owongolera okhala ndi ngodya zazikulu kuti alowe mu preheater, zomwe ndizosavuta kusintha mawonekedwe a waya wotsekera pachimake ndi lamba wokutira, zomwe zimapangitsa kuchepa kwa magwiridwe antchito amagetsi a mzere wotumizira ma frequency apamwamba. Mosiyana, ndi yopingasa preheater ndi mzere womwewo ndi kuzimata mzere awiri, asanalowe preheater, awiri mzere mzere yekha akudutsa mawilo ochepa olamulira ndi udindo wa kulumikiza dziko, ndi kuzimata mzere kuluka sasintha Angle pamene akudutsa gudumu wolamulira, kuonetsetsa bata la gawo kuluka malo kuzimata pachimake lamba ndi kukulunga waya. Choyipa chokha cha chotenthetsera chopingasa ndichoti chimatenga malo ochulukirapo ndipo mzere wopangira ndi wautali kuposa makina omangirira okhala ndi chotenthetsera choyimirira.


Nthawi yotumiza: Aug-16-2022

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