Industrial Automation

Kodi Ma Cable Glands Amagwira Ntchito Motani?

Mawu Oyamba
Zingwe zama chingwe ndi zida zomwe zimakhala zofunika kwambiri pakuchotsa zingwe pamalo ovuta kapena owopsa.
Apa ndipamene kusindikiza, chitetezo cholowera komanso chifukwa chake chingwe cholumikizira chimafunikira.
Ntchito yake ndikudutsa chubu, waya, kapena chingwe mosatetezedwa.
Amapereka mpumulo ndipo amapangidwanso kuti aphatikizepo malawi kapena zida zamagetsi zomwe zitha kuchitika pamalo owopsa.

Zinanso:
Amakhalanso ngati chisindikizo, kuletsa zonyansa zakunja kuti zisawononge dongosolo lamagetsi ndi chingwe.
Zina mwa zoipitsa izi ndi:

• madzi,
• dothi,
• fumbi

Pamapeto pake, amaletsa zingwe kukoka ndi kupindika kunja kwa makina.
Ndi chifukwa amathandizira kupereka kulumikizana kotetezeka komanso kokhazikika pakati pa makina ndi chingwe chomwe chimalumikizidwa.

Mu bukhuli, tikuthandizani kumvetsetsa momwe ma gland gland amagwirira ntchito.
Tiyeni tiyambe.

Ma Cable Glands ndi Cable Gland Parts
Zipangizo zama chingwe zimadziwika kuti 'mechanical cable entry devices' zomwe zimagwiritsidwa ntchito limodzi ndi mawaya ndi chingwe cha:

• makina odzichitira okha (monga deta, matelefoni, mphamvu, kuyatsa)
• magetsi, zida & kuwongolera

Ntchito zazikulu za chingwe cholumikizira ndi kukhala ngati chida chosindikizira ndi chomaliza.
Imawonetsetsa chitetezo cha zotsekera ndi zida zamagetsi, kuphatikiza kutumiza kwa:

• Zowonjezera zachilengedwe kusindikiza

Pamalo olowera chingwe, kusunga chiwongolero chachitetezo cha mpanda ndi mitundu yosiyanasiyana ya zida zoyenera zodzipereka kuchita izi.

Ma Cable glands mumakina odzichitira okha

• Kusindikiza kowonjezera

Pamalo a chingwe akufika mpanda, ngati mkulu mlingo chitetezo ingress chofunika

• Kugwira mphamvu

Pa chingwe kutsimikizira milingo yokwanira ya makina chingwe 'kutulutsa' kukana

• Kupitilira kwa dziko lapansi

Pankhani ya chingwe chokhala ndi zida, kamodzi kachingwe kamene kamakhala ndi zitsulo.
Zikatero, chingwe cha gland chikhoza kuyesedwa kuti chitsimikizire kuti chikhoza kupirira chiwongoladzanja chokwanira chapafupipafupi.

• Chitetezo cha chilengedwe

Kupyolera mu kusindikiza pa chingwe chakunja, osaphatikizapo chinyezi ndi fumbi la chida kapena mpanda wamagetsi.

Mwawona:
Zipangizo zama chingwe zimatha kupangidwa kuchokera kuzinthu zopanda chitsulo kupita kuzitsulo.
Kapena ikhoza kukhala yosakanikirana ndi onse awiri omwe angakhalenso osamva dzimbiri.
Zimatsimikiziridwa ndi kusonkhanitsa mokhazikika, kapena ndi macheke osamva dzimbiri.

Ngati agwiritsidwa ntchito pazida zophulika mwachindunji, ndikofunikira kuti ma gland avomerezedwe pamtundu womwe wasankhidwa.
Ayeneranso kusunga mulingo wachitetezo cha zida zomwe adalumikizidwa nazo.

Chimodzi mwazinthu zazikulu kwambiri zokhuza tiziwalo ta chingwe ndikuti ali ndi IP68 yopanda madzi.
Izi zikutanthauza kuti atha kugwiritsidwa ntchito popanga potuluka malo osalowa madzi kuchokera m'malo otchingidwa owopsa komanso owopsa komanso kudzera pamitu yambiri.

Kuti muwagwiritse ntchito:
Chingwe cha chingwe chimakanikiza chisindikizo mu chingwe chozungulira.
Imayimitsa ingress ya particles kapena madzi omwe angayambitse kuwonongeka kosatha kwa zipangizo zamagetsi.

Mwachitsanzo:
Ngati mukufuna kuponya chingwe pamalo otchingidwa ndi madzi, mufunika kubowola bowolo.
Izi zimapangitsa kuti zisatsekenso madzi.

Zotupa za chingwe pa mpanda wopanda madzi
Kuti mukonze vuto lanu, mutha kugwiritsa ntchito chingwe cholumikizira kuti mupange chosindikizira chopanda madzi kuzungulira chingwe chanu chomwe mukudutsamo.
IP68 yopanda madzi ndi yabwino kwa zingwe zoyambira 3.5 mpaka 8 mamilimita m'mimba mwake.
Mtundu uwu wa tizingwe tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono tating'ono timakhala tating'onoting'ono.

Zigawo za Cable Glands
Kodi zigawo za chingwe gland ndi chiyani?
Ili ndi funso lodziwika bwino lomwe mwina mumadzifunsa nokha.

Zigawo za chingwe glands
Zigawo za gland glands zimatsimikiziridwa malinga ndi mitundu ya chingwe cha gland:

• singe compression chingwe gland ndi;
• kawiri psinjika chingwe gland

Tiyeni tikambirane aliyense wa iwo.
Ngati simunadziwebe, chingwe chimodzi chophatikizira chimagwiritsidwa ntchito pazingwe zokhala ndi zida zochepa.
Ali ndi mwayi woti mpweya wowononga komanso chinyezi ulowe ndikukhudza chingwe.
Kapangidwe kamodzi kamene kamakhala ndi mphete ya cone ndi cone.

Mwawona:
Pali chisindikizo cha rabara cha Neoprene chokha chomwe chimapereka chithandizo chala chala chala mukangolumikiza chingwecho.
Potsirizira pake, zokopa zamtundu umodzi wa compression zili ndi:

• mchere wa gland
• thupi la gland
• wochapira flat
• onani mtedza
• wochapira mphira
• mphira chisindikizo ndi;
• neoprene

Izi ndi zigawo za chingwe cholumikizira chingwe chimodzi.
Kotero, ife tiri nazo molunjika izo?

Kumbali ina:
Kuponderezana kuwiri kumasiyana kwambiri ndi chingwe cholumikizira chingwe chimodzi.

Kodi izi zikutanthauza chiyani?
Chosangalatsa apa ndi:
Chingwe chophatikizira pawiri chimagwiritsidwa ntchito pomwe mawaya ambiri okhala ndi zida akutenga kapena kulowa mgulu.
Mitundu ya zingwe zamtundu uwu zimapereka chithandizo chowonjezera.
Tizingwe tambiri tambiri timakhala ndi mawonekedwe osindikiza pawiri.

Ndi chiyaninso?
Pali kuponderezana mkati mwa sheath ndi zida za chingwe.
Chifukwa chake, mukufuna zingwe zosayaka kapena zosagwirizana ndi nyengo?
Ndiye muyenera kuganizira kawiri psinjika kapangidwe.

Zindikiraninso kuti mapangidwe oponderezedwa awiri ali ndi mphete ya cone ndi cone.
Izi zimapereka chithandizo chamakina ku chingwe.
Tsopano, kulankhula za mbali ziwiri psinjika chingwe gland.
Lili ndi zigawo zotsatirazi:

• onani mtedza
• neoprene mphira chisindikizo
• mphete ya cone
• koni
• mtedza wa gland ndi;
• thupi la gland

Zolemba za Cable Glands
Mukukonzekera kugula chingwe chanu cholumikizira?
Kenako muyenera kukumbukira kuti pali zambiri zamtundu wa chingwe zomwe muyenera kuziganizira.
Ngati mukufuna kuthandizidwa ndi mawonekedwe a chingwe cha gland, nazi zomwe mungasankhe:

Zakuthupi

• Chitsulo chosapanga dzimbiri

Zingwe zachitsulo zosapanga dzimbiri zimachita dzimbiri komanso zimalimbana ndi mankhwala.
Iwo akhoza kukhala ndi mphamvu yotsika kwambiri

• Chitsulo

Zogulitsa zimapangidwa ndi chitsulo.

• Zithunzi za PVC

PVC imadziwikanso kuti polyvinyl chloride imagwiritsidwa ntchito kwambiri.
Imakhala ndi malo osalala, kusinthasintha kwabwino, komanso mawonekedwe omwe alibe poizoni.
Magiredi ochepa amagwiritsidwa ntchito popanga mankhwala ndi zakudya chifukwa cha kusakhazikika kwa PVC.

• Polytetrafluoroethylene (PTFE)

Kodi mumadziwa kuti Polytetrafluoroethylene ndi chinthu chosadziwika bwino?
Ndiye pali phindu lanji?
Chabwino, imawonetsa kukana kwamphamvu kwamankhwala komanso kusasunthika kocheperako.

• Nayiloni / Polyamide

Nayiloni imapangidwa ndi magulu osiyanasiyana a polyamides.
Ndi zinthu zomwe zimagwiritsidwa ntchito mosiyanasiyana.
Ndi yolimba komanso yolimba ndipo inali ndi mayendedwe abwino kwambiri.

• Mkuwa

Pakali pano, bras amabwera ndi mphamvu zabwino.
Ilinso ndi:

• wapamwamba kwambiri ductility
• wowolowa manja ozizira ductility
• otsika maginito permeability
• zabwino zonyamula katundu
• kukana kwambiri dzimbiri ndi;
• conductivity yabwino

• Aluminiyamu

Aluminiyamu ndi chinthu chopangidwa ndi bluish-white chopangidwa ndi chitsulo chosasunthika.
Ili ndi matenthedwe abwino kwambiri komanso magetsi.
Komanso zimaonetsa kukana makutidwe ndi okosijeni ndi mkulu reflectivity

Kachitidwe
Muyeneranso kuganizira momwe ntchito zamtundu wa chingwe chanu zimagwirira ntchito.
Pansipa, talemba madera omwe muyenera kukumbukira.

• Kutentha Kusiyanasiyana

Uwu ndiye mtundu wathunthu wofunikira wa kutentha komwe kumagwirira ntchito.

• Pressure Rating

Uku ndiye kupanikizika komwe chingwe gland imatha kupirira popanda kutayikira kulikonse.

• Kutsegula Diameter

Uku ndiko kusankha kwa makulidwe omwe chingwe cholumikizira chingathe kutengera.

• Nambala ya Mawaya

Ichi ndi chiwerengero cha zinthu zomwe msonkhano ukhoza kugwirizanitsa.

• Kukwera Kukula

Uwu ndiye kukula kwa mawonekedwe okwera kapena ulusi.

Kuyika kwa Cable Gland
Kuyika kwa chingwe cha gland kuyenera kuchitidwa potsatira malamulo ofunikira komanso malamulo amderalo.
Ziyenera kukhala mogwirizana ndi malangizo a wopanga komanso.
Kuyika kwa gland kuyenera kuchitika kudzera mwa munthu wodziwa bwino ntchito komanso wodziwa zambiri.
Ayenera kukhala ndi chidziwitso chofunikira komanso ali ndi luso pakuyika chingwe cha gland.
Komanso, maphunziro akhoza kuthandizidwa.

Kuyika kwa chingwe chonyamula zida chokhala ndi chizindikiro cha earthing
Upangiri womwe uli pansipa ukuthandizani kuonetsetsa kuti kuyika kwa chingwe chanu kumatsimikizira kulumikizana kodalirika komanso kotetezeka.
Nazi zomwe muyenera kuchita:

• Chisamaliro chiyenera kutengedwa kuti tipewe kuwonongeka kwa ulusi wolowera pokonzekera ndikuyika zingwe za chingwe

• Osayika zolumikizira zingwe pomwe mabwalo ali amoyo.

Momwemonso, kutsatira nyonga ya mabwalo amagetsi, zolumikizira chingwe siziyenera kutsegulidwa mpaka dera litathetsedwa bwino.

• Ziwalo za chingwe cha chingwe sizikufanana bwino ndi za wopanga wina aliyense wa chingwe gland.

Zigawo za chinthu chimodzi sizingagwiritsidwe ntchito ngati china.
Kuchita izi kudzakhudza chitetezo cha kuyika kwa chingwe cha gland ndikuletsa chiphaso chilichonse choteteza kuphulika.

• Dziwani kuti chingwe gland si chinthu chogwiritsidwa ntchito.

Ilinso pansi pa ma certification protocol.
Zida zosiyanitsira siziloledwa kuperekedwa pazinthu zomwe zidayamba kugwiritsidwa ntchito.

• Mphete zosindikizira za chingwe zimawonjezedwa mu chingwe cholumikizira ngati chitumizidwa kuchokera kufakitale.

Mukuwona, sipayenera kukhala nthawi pomwe mphete zosindikizira ziyenera kuchotsedwa pa chingwe cha chingwe.

• Chisamaliro chiyenera kutengedwa kuti mupewe kukhudzana ndi zosindikizira za chingwe ku:

zinthu zamafuta (monga zosungunulira kapena matupi ena akunja)
odi

Malangizo oyika
Zindikirani kuti sikuli koyenera kuti muchotse chingwe cholumikizira, monga zikuwonetsera pansipa:

Kuti muyambe kukhazikitsa chingwe cha gland, izi ndi zomwe muyenera kuchita:
1. Zigawo zosiyanitsidwa (1) ndi (2).
2. Ngati kuli kofunika, ikani chophimba pa chingwe chanu chakunja
3. Sinthani chingwecho pochotsa chingwe chakunja ndi zida zankhondo / zoluka kuti zigwirizane ndi geometry ya zida.
4. Chotsani mamilimita 18 kupitirira mchimake wakunja kuti muwonetse zida.
5. Ngati kuli kotheka, chotsani zokulunga kapena matepi osonyeza mchimake wamkati.
DZIWANI IZI!! Pazingwe zokulirapo, mphete yolumikizira imatha kungodutsa zidazo.

6. Kenako, tetezani gawo lolowera mu zida zanu monga momwe zasonyezedwera.

7. Dulani chingwe chanu pa chinthu cholowera ndikuyika zida kapena kuluka mozungulira mozungulira chulucho.
8. Pamene mukukankhira chingwe kutsogolo kuti muteteze kukhudzana pakati pa kondomu ndi zida, sungani mtedza ndi dzanja kuti mugwirizane ndi zida.
9. Gwirani gawo lolowera pamodzi ndi sipikani ndikumangitsa natiyo mothandizidwa ndi sipanela mpaka zida zitakhazikika.
10. Kuyika tsopano kwatha.

Ngati mukufuna kukhazikitsa chingwe cholumikizira madzi cha IP68, nayi momwe mungachitire.
Mwawona:
Mtundu uwu wa gland gland umapangitsa kuti zikhale zosavuta komanso zosalala kuti zidutse mpanda.
Muyenera kuboola bowo la mamilimita 15.6 m'mimba mwake m'mbali mwa mpanda wanu.
Kenako mutha kupotoza magawo awiri a chingwe chanu mbali zonse za dzenje.
Tsopano, chingwe chimadutsa, ndipo mumatembenuza kapu kuti muyimitse pa chingwe chanu.
Ndipo mwatha.

Mapeto
Zipangizo zama chingwe amapangidwa kuti azigwiritsidwa ntchito ndi chingwe chopanda zida kapena chankhondo.
Ngati amagwiritsidwa ntchito ndi chingwe chokhala ndi zida, amapereka nthaka pansi pakupanga chingwe.
Mphete yoponderezedwa kapena chinthu chosindikizira cha O-ring imatha kumangirira kuzungulira kwa chingwe.
Imatsekereza malawi aliwonse owopsa, zoyaka kapena mafunde kuti asabwere ku makina omwe chingwecho chimatsogolera.
Amatha kupangidwa ndi mapulasitiki ndi zitsulo zosiyanasiyana, malingana ndi momwe angagwiritsire ntchito.
Izi zitha kukhala:

• aluminiyamu
• mkuwa
• pulasitiki kapena
• chitsulo chosapanga dzimbiri

Chifukwa amapangidwa ndi chitetezo m'maganizo, ndikofunikira kuti tizingwe tating'ono tating'ono tibweretse chimodzi kapena zingapo mwazomwe zimatsimikizira chitetezo chamagetsi.
Zina mwa izi ndi:

• IECx
• Zotsatira ATEX
• CEC
• NEC
• kapena momwemonso kutengera dziko lochokera komanso kugwiritsa ntchito

Chifukwa chake ngati mukufuna kupeza ma gland anu a chingwe, ndikofunikira kuti mukulitse moyenera.
Ndi chifukwa chingwe chimodzi chokha chingagwiritsidwe ntchito ndi chithokomiro chimodzi.
Ndipo chisindikizocho chiyenera kupangidwa ndi kuphatikiza o-ring.
Osati ndi zinthu zina zomwe wogwiritsa ntchito angatchule ngati tepi.

Mupeza ma glands ambiri omwe amapezeka m'malo osiyanasiyana opanga.
Mutha kuyang'ana pang'ono pa intaneti ndikupanga mndandanda wazogulitsa zakomweko kapena opanga kuti mulandire zabwino kwambiri.
Tikukhulupirira kuti tinakupatsirani zambiri zothandiza za momwe ma chingwe amagwirira ntchito.
Maganizo anu ndi otani pankhaniyi?
Gawani malingaliro anu ndi ife potumiza ndemanga zanu kwa ife!
Ngati muli ndi funso lokhudzana ndi momwe ma gland amagwirira ntchito kapena ngati mukufuna kudziwa zambiri, funsani mu ndemanga.
Mulandira yankho kuchokera kwa akatswiri amsika posachedwa.