Table of Contents

Fahimtar Abubuwan Da Ke Sa a Fitar da Kabulu

FLT:0 Cable ja shi ne tsari na shigar da igiyoyi ta hanyar tashoshi, hanyoyi na tsere, ko wasu hanyoyi masu rufewa. Ga sababbin masu lantarki, sarrafa wannan fasaha yana da mahimmanci saboda janyewar da ba ta dace ba na iya lalata keɓewar mai gudanarwa, haifar da gajerun hanyoyi, ko haifar da matsalolin dogaro na dogon lokaci. Manufar mahimmanci ita ce canja wurin kebul daga reel zuwa wurin ƙarshe ba tare da wuce ƙarfin janyewar kebul ba, radius na lankwasawa, ko matsin bangon gefe.

Kowane cire na'urar yana farawa da cikakken kimantawa. Dole ne ku kimanta tsawon bututun, yawan lankwasawa, jimlar digiri na lankwasawa, da nau'in kebewar kebul (misali, THHN, XHHW, ko MC cable). Kayan sarrafawa PVC, EMT, RMC, ko karfe mai sassauƙa kuma yana shafar rigakafi da zaɓin lubricant. Dokar lantarki ta ƙasa (NEC) ta samar da jagorori don cikawa da jan ƙarfin mai gudanarwa; duba FLT:0 FLT:1: NEC Mataki na 300 FLT: 3 FLT: 4 NEC Mataki na 330 FLT: 6 FLT:7 don ƙarfe-ƙarabar igiya.

Tsarin ya ƙunshi lissafin ma'aunin jujjuyawar. A mai kyau lubricated PVC bututu iya samun wani jujjuyawar factor na 0.150.20, yayin da bushe EMT iya wuce 0.45. Wadannan dabi'u kai tsaye shafi jan tashin hankali. Ba tare da wani dace da shirin, ka hadarin ja da wuya da kuma mika da mai shiryarwa, da ke haifar da wuyan, ko tilasta da kebul a cikin wani karkace da ya wuce ta rated radius wanda duka biyu soke garanti da kuma haifar da nan gaba gazawar maki.

Shirya Kayan Gudanarwa da Kayayyakin Kayayyaki

Kafin ka isa wurin, auna madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin mada

Don igiyar kanta, bincika reel don lalacewa, ƙarewa seals, da kuma shigar da danshi. Tsara reel don haka da kebul ya biya ba tare da kinking. Idan da kebul yana da lay shugabanci, kula da juyawa jan da na halitta lay iya haifar da tsuntsu cage na conductor igiyoyi.

Kayan aiki da kayan aiki don jawo wayoyi na sana'a

Samun kayan aiki masu dacewa ba za a iya tattaunawa ba don amintattu, ingantattun igiyoyin igiyoyi.

Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan Kayan K

  • Fiberglass tef ne mai sauƙin karfe ko faifan gilashi da ake amfani da shi don jan wayoyi ta hanyar sharar gida ko bango. Fiberglass ba mai gudana ba ne kuma ya fi dacewa da yankuna masu ƙarfi ko gudu waɗanda ke buƙatar kauce wa ƙasa.
  • Fitar da igiya (na lantarki ko na hannu) (FLT:1) Don dogon gudu, masu nauyi, ko igiyoyi da yawa. Fitar da lantarki tare da capstan winches suna ba da damar sa ido kan gudu da tashin hankali. Fitar da hannu sun dace da ƙananan ayyukan zama.
  • Rayuwar janyewar (mesh ko kwandon kwandon) Woven karfe ko nailan rikewa da ke rarraba tashin hankali daidai a kan jaket na igiya. Koyaushe daidaita darajar diamita na riƙewa zuwa girman igiya don kauce wa murkushewa ko zamewa.
  • Lubricant da mai amfani da kayan shafawa (FLT: 1) Lubricants na tushen ruwa, silicone, ko polymer suna rage friction. Yi amfani da swab ko lubricator na atomatik don tabbatar da daidaitaccen ɗaukar ciki a cikin bututun.
  • Tirgar igiya (polypropylene ko polyester) Don layuka a cikin dogon gudu. Polypropylene yana gudana kuma yana tsayayya da sinadarai; polyester yana da ƙananan shimfiɗa da ƙarfin karya mafi girma.
  • Matakan matsin lamba da mai auna tashin hankali mai auna matakai na matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai auna matsin lamba mai a cikin matsin lamba mai auna lamba mai auna matsin lamba mai a cikin matsin lamba mai auna lamba mai auna lamba mai a cikin matsin lamba mai a cikin matsin lamba mai auna lamba mai a cikin matsin lamba mai a cikin matsin lamba mai a cikin matsin lamba mai a cikin matsin lamba mai a cikin matsin lamba mai a cikin matsin lamba mai a cikin matsin lamba mai a cikin
  • Kayan kariya na sirri (PPE) Gilashin tsaro tare da garkuwa ta gefe, safofin hannu masu jure yanke, hatun wuya, da takalma mai ƙafar ƙarfe suna da tilas. Ana iya buƙatar kariya ta ji idan ana amfani da masu jan wutar lantarki.

Ba na Bukatar Amma An Ba da Shawarar

  • Jagoran jagora da rollers An sanya su a shigarwar da fitowar bututun don hana gefuna masu kaifi daga yanke kebul.
  • Rediyo na hanyoyi biyu yana da mahimmanci don sadarwa ta ƙungiya a kan dogon jan hankali inda siginar hannu ba ta da tabbaci.
  • Kayan ciyar da igiyoyi Kayan aiki na inji wanda ke tura igiya a daidaitawa da mai jan hankali, rage tashin hankali inda kwantena ta riga ta cika.
  • Wutar zafi Yana da amfani don sauƙaƙe tsauraran kwararar PVC don rage jujjuyawar a kan jan zaren.

Tsarin Ɗaukar Kabulu a Mataki

Kowane mataki yana dogara ne da na baya. Idan ka yi gaggawa ko kuma ka bar yin shiri, hakan zai sa ka yi aiki mai tsada sosai.

Mataki na 1: Ka Tsara Hanyar Kuma Ka Shirya Ta

Fara da tabbatar da cewa kwantena tana da tsabta kuma ba tare da jinkiri ba. Yi amfani da igiyar janye ko tef na kifi don kafa layin gaba. Idan gudu yana da digiri fiye da 360 na jimlar lankwasawa (ƙididdigar dukkan lankwasawa), dole ne ka shigar da akwatin janyewa bisa ga NEC 314.16 don kauce wa wucewa da ƙarfin janyewar da aka ba da izini. Yi lissafin ƙididdigar ƙarfin janyewa ta amfani da ma'anar: T = L × W × f × B, inda L shine tsayi a ƙafa, W shine nauyin ƙafa, f shine ma'aunin jujjuyawar, kuma B shine ma'aunin lankwasawa. Don wayoyi da yawa, factor a cikin tasirin yin amfani da ma'aunin jamming (D / d ≤ 2.5 ko ≥ 3.0 don kauce wa jamming a cikin mai fitarwa 3-conductor).

Lubricate bututun kafin shigar da bututun. Don dogon gudu, a ci gaba da allura lubricant yayin jan ta amfani da famfo lubricator.

Mataki na 2: Ka haɗa da igiyar da za ka ja

Yi amfani da riƙe kwandon da ke rufe akalla 46 inci na jaket ɗin kebul. Don igiyoyi tare da mai jan ido (wanda masana'antun suka riga suka shigar), haɗa igiyar jan kai tsaye tare da ƙugiya ko madauri. Idan kuna amfani da tef na kifi, kunsa tef ɗin ta hanyar ido kuma kunsa tef na lantarki a kusa da haɗin don ƙirƙirar madaidaicin haɗin kai.

Don igiyoyi da yawa da ake jawowa a lokaci guda, yi amfani da riƙe mai jan jagora da yawa ko kuma kai mai jan jagora wanda ke kula da daidaita igiyoyin a cikin bututun don hana juyawa.

Mataki na 3: Yi amfani da tef na kifi ko na igiyar waya

Idan kuna amfani da tef na kifi, ciyar da shi daga ƙarshen nesa zuwa shigarwar kebul don kauce wa juyawa. Da zarar tef ya bayyana, haɗa kebul ɗin kuma ja sannu a hankali, yana riƙe da tashin hankali.

Don THHN na yau da kullun, matsakaicin ƙarfin janyewa galibi 0.008 sau da yankin mil na zagaye (CMA) don masu gudanar da tagulla. Misali, kebul na tagulla na 500 kcmil yana da ƙarfin janyewa na fam 4,000. Koyaushe bincika takardar ƙayyadaddun masana'anta.

Mataki na 4: Ka Ja Kabil ɗin da Ƙarfin Ƙarfin

Ka daidaita mai aiki da mai ciyar da igiya (idan ana amfani dashi) tare da siginar hannu ko rediyo. Ka kiyaye tsayayyen, ci gaba da janyewa.

Idan ka ji wani abu mai tsanani, ka juya baya ka duba. Dalilai na kowa: man shafawa mai bushewa, haɗin da aka sauya, ƙwanƙwasa mai kaifi, ko kuma igiyar da ta yi lankwasawa. Kada ka tilasta janye za ka iya lalata igiyar har abada. Maimakon haka, yi amfani da ƙarin man shafawa ko amfani da man shafawa mai janyewa da ƙarfin fim mai girma.

Mataki na 5: Bincike na Ƙarshe da Ƙarshen

Da zarar an cire kebul a ƙarshen, nan da nan ku saki tashin hankali. Bincika jaket don abrasions, cuts, ko chafing.

Ka cire madaurin da ke janyewa kuma ka yanke kowane ɓangaren da ya lalace a kusa da wurin da za a janye. Ka sanya madaurin zuwa matsayinsa na ƙarshe, yana barin isasshen sassauci don ƙare a ƙarshen biyu. Ka riƙe madaurin da madauri kowane 46 ƙafa (ko ta hanyar lambar) kuma ka tabbatar da haɗin kai da ci gaba da ƙasa.

Nasihu da Kuma Ayyuka Mafi Kyawu Game da Tsaro

  • A koyaushe suna aiki a cikin dokokin NEC da OSHA.
  • Fata safofin hannu masu tsayayya da yanke lokacin da kake sarrafa tef na kifi.
  • Kada ku tsaya a layi tare da janyewar idan na'urar kebul ko mai riƙewa ta zame ko ta karye.
  • Kada ku taɓa jan waya ta hanyar madaidaiciyar madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaidaicin madaida
  • Yi amfani da ma'aunin ƙarfin lantarki a kowane jan kasuwanci sama da ƙafa 50.
  • Ci gaba da shirya wurin aiki a hankali, alama ƙarshen kebul tare da alamomi, da kuma rubuta sigogin janye don kiyayewa a nan gaba.

Kuskuren da Masu Kula da Wutar Lantarki Suka Yi

Kaɗa Kabel ɗin da Yawa, Ka Guji Yin Amfani da Shi

Aiwatar da lubricant kawai a kan fuskar kebul s ba ya rage tsattsagewa a cikin bututun.

Yin Amfani da Girman Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙarƙashin Ƙ

Yin amfani da riƙe da ya yi laushi sosai yana sa ya zamewa a ƙarƙashin tashin hankali; ya yi tsauri sosai kuma ya murkushe jaket. Auna diamita na waje na igiya kuma zaɓi riƙe da ke da kewayon da ya dace da sauƙi. Gwada riƙe a kan gajeren samfurin kafin yin aiki da cikakken janyewa.

Ba Saida La'akari da Nauyin Kabelu da kuma Sawo

A cikin ɗagawa mai ɗagawa ko dogon madaidaiciyar gudu, nauyin kebul yana haifar da ƙarin tashin hankali. Don madaidaiciyar gudu, kuna iya buƙatar birki ko tsarin tallafi na ɗan lokaci don hana kebul ɗin jan kansa ƙasa.

Yin tsalle a gwajin Megohmmeter kafin ka cire

Dole ne a gwada gwajin juriya na asali a kan kebul kafin cirewa, musamman idan an ajiye reel a waje. Idan karatun ya kasance ƙasa kafin cirewa, za ku san cewa lalacewar ta kasance tun da wuri, don haka ku sami matsala tare da mai ba da kaya. Bayan cirewa, sake gwadawa raguwa mai mahimmanci yana nuna matsala da janyewa ta haifar.

Tsarin Bayan-Tara da Gudanar da Kabulu

Bayan an kafa kebul, ka kulle shi da tallafi (ƙulla igiyoyi, clamps, ko J-hooks) a cikin lokaci-lokaci a kowace NEC Tebur na 330.30 don kebul na MC ko Tebur na 392.60 don teburin waya. Kada ka yi tsananin tsauraran filastik za su iya fitar da jaket a tsawon lokaci. Don bututun karkashin kasa, tabbatar da cewa kebul ba a cikin tashin hankali a wuraren ƙare ba; bar madauri na sabis idan lambar ta buƙata.

Alamar kowane mai gudanarwa a ƙarshen biyu tare da alamar dindindin ko lakabin firintar. Createirƙiri takaddun da ke nuna hanyar igiya da duk wani haɗin. Idan kun yi amfani da mai shafawa mai cirewa, bincika cewa ya dace da kayan jaket ɗin igiya (misali, mai shafawa na silicone na iya kai hari ga wasu rufin roba). share ƙarin mai shafawa daga kebul ɗin da aka fallasa kafin yin haɗin gwiwa zai iya haifar da rashin amincin ƙare.

A ƙarshe, gudanar da cikakken bincike na ci gaba da gwajin megohmmeter na biyu bayan an gama dukkan ayyukan. Rubuta ƙimar rahoton aiki.

Ƙarshen

Cable ja ne a hade da kimiyyar lissafi, code ilmi, da kuma hannu-on basira. By bin wani tsari tsari shiryawa, shirya hanya, ta yin amfani da dace da kayan aiki da kuma rike, sarrafa tashin hankali, da kuma yin post-pull tabbatarwa sabon electricians iya kauce wa kowacce tarkace da kuma sadar da abin dogara shigarwa. da zuba jari sanya a fahimtar friction coefficients, lankwasa radii, da kuma jan tashin hankali zai biya dividends a kasa callbacks da kuma tsawo tsarin rayuwa. Don ƙarin karatu, duba da FLT:0 BICSI nagartacce don USB shigarwa FLT: Eaton ko Kudu jan jagororin samuwa online.

Ka tuna: ] burin shine ka zame igiyar, ba tilasta shi ba. Tare da aiki, bin aminci, da ci gaba da koyo daga kowane janye, zaku gina ƙwarewar da ke bayyana masanin wutar lantarki.