Yadda Za Ka Yi Lissafin Da Ya Dace Don Ka Hana Lalacewar Kabelu

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Kowane kebul da aka shigar a cikin bututu, kwandon, ko kuma kwandon yana fuskantar matsin lamba. An san karfin da aka yi amfani da shi don janye kebul daga reel zuwa matsayinsa na ƙarshe a matsayin jan hankali. Yi kuskure, kuma sakamakon ya kasance daga karyewa kai tsaye zuwa gazawar aikin ɓoye wanda ya bayyana watanni daga baya.

Ƙarfin ƙarfin zai iya janye masu gudanarwa, lalata rufi, jacket crack, ko haifar da ƙananan ƙarancin ƙira a cikin zaren gani. Rashin ƙarfin ƙarfin zai iya barin layin kebul, yana haifar da haɗarin tuntuɓe, rashin haɗuwa a wuraren ƙare, ko rauni ga lalacewar jiki. Manufar ita ce a yi amfani da ƙarfin da ya isa don motsa kebul ɗin cikin sauƙi, ba tare da wucewa ba. Wannan labarin yana ba da cikakken jagora mai amfani don lissafta da sarrafa ƙarfin jan hankali, bisa ga ƙa'idodin masana'antu da ayyukan shigarwa na ainihi.

Fahimtar Matsalolin Rashin Jituwa: Ma'anoni da Ƙa'idodi

Jigon janyewa shine ƙarfin axial da aka yi amfani da shi a cikin axis na kebul yayin shigarwa. Ana auna shi a cikin fam (lbf) ko newtons (N). Dole ne a sarrafa ƙarfin a duk wuraren da ke gudana, musamman a cikin lankwasawa da jan riƙe, saboda ƙarfin gefe a waɗannan wurare na iya ninka tasirin ƙarfin akan kebul.

Muhimman Sharuɗɗa

Matsakaicin ƙarfin jan hankali (MAPT): (FLT: 1) Babban ƙarfin da ke cikin kebul zai iya jurewa ba tare da lalacewar dindindin ba. Wannan ƙimar ta samar da masana'anta kuma galibi ya dogara ne akan yankin ratsawar kebul da kayan.
Matsin gefe (SWP): Ikon radial a kowane na'ura na tsawon da aka yi amfani da shi akan bangon bututun a kan karkatarwa. Matsin gefe mai girma na iya murkushe ko lalata kebul. SWP ana lissafinsa a matsayin T / R, inda T shine tashin hankali kuma R shine radius na karkatarwa.
Capacityarfin jan ido ko riƙewa: ƙarfin wurin haɗewa da ake amfani da shi don jan zaren. Dole ne a ƙayyade riƙewa don aƙalla ƙarfin ƙarfin ƙarfin da ake tsammani.
Tashin baya: Tashin da aka kiyaye akan kebul yayin da yake barin reel. Tashin baya mai yawa yana ƙara ƙarfin jan hankali gaba ɗaya.

Dalilin da Ya Sa Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙ

Kayan wutar lantarki na tagulla, igiyoyin bayanai (Cat6/6A, coax), igiyoyin fiber optic, da igiyoyin musamman (mai sulke, mai yawan zafin jiki) duk suna da iyakokin jan hankali daban-daban. Misali, mai karɓar tagulla na 4/0 AWG na yau da kullun yana da ƙarfin jan hankali na kimanin 1,800 lbf, yayin da igiyar nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'i nau'

Abubuwan da Ke Shafan 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

A lokacin da ake yin aiki, ƙarfin ƙarfin wutar lantarki ba ya daidaitawa, yana bambanta da nisa, taurin kai, taurin kai, da kuma nauyin igiyar.

Nauyin Kables da Cike Cike

Ƙarfin igiyoyi suna buƙatar ƙarin ƙarfi don shawo kan nauyi, musamman a cikin madaidaiciyar gudu. Cike cika yawan yanki na ƙetare da igiyoyi ke ɗaukar yana ƙara jujjuyawar saboda igiyoyi suna matsawa da juna da bangon igiyar. Don jan igiyoyi da yawa, ƙetare ƙarfin ƙarfin ƙarfin yana da mahimmanci.

Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin

Matsakaicin ma'auni (μ) tsakanin jaket ɗin kebul da cikin bututun yana da mahimmanci. Matsakaicin ƙimar ya kasance daga 0.2 (mai kyau lubricated) zuwa 0.5 (tsayi, surfaces). Yin amfani da lubricants masu kyau na cire kebul na iya rage μ zuwa 0.10.2, rage yawan ƙarfin da ake buƙata.

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Kowane lankwasawa a cikin bututun yana ƙara tashin hankali a cikin ƙira. Tsarin daidaituwa don tashin hankali a cikin lankwasa shine T2 = T1 × e^(μθ) , inda T1 shine tashin hankali kafin lankwasawa, μ shine ma'aunin jujjuyawar, kuma θ shine kusurwar lankwasawa a cikin radians.

Hanyar Fitarwa

Aikin jan hannu, jan winch, ko jan motsi na motsa jiki suna yin aiki daban. Aikin jan hannu sau da yawa yana gabatar da ƙarfin motsa jiki; mai jan inji yana samar da ƙarfin jujjuyawar amma zai iya wuce iyaka idan ba a saita shi daidai ba. Dole ne a yi amfani da masu lura da ƙarfin jujjuyawar tare da kowane hanyar da aka motsa.

Yanayin zafin jiki

Yanayin sanyi yana sa jaket ɗin kebul ya zama mai taurin kai, yana ƙara jujjuyawar kuma yana rage sassauci. Yanayin zafi yana taushi jaket, mai yiwuwa yana ƙara jujjuyawar. Masu ƙera yawanci suna ƙididdige tashin hankali don yanayin zafin jiki tsakanin 0 ° C zuwa 40 ° C (32 ° F104 ° F).

Yadda Za Ka Yi Lissafin Ƙarfin da Ya Dace

Don ƙididdigar ƙididdiga na ainihi yana buƙatar tsarin tsari. Don gajerun hanyoyi masu sauƙi (hanyar madaidaiciya, babu karkatarwa, ƙasa da 50 m), ƙididdiga na asali na iya isa. Don matakai masu rikitarwa tare da karkatarwa da yawa ko nisa mai nisa, yi amfani da hanyar rarrabuwa mai zurfi.

Mataki na 1: Ka tattara Bayanai da Ake Bukata

Shafin bayanan masana'antun igiyoyi: matsakaicin ƙarfin jan hankali (MAPT), nauyi a kowane na'ura na tsawon, diamita na waje, mafi ƙarancin radius na lankwasawa.
Bayanin kwararar ko kuma na kwandon: kayan (PVC, karfe, aluminum), diamita na ciki, yawan cikawa, yawan da kuma kusurwoyin bends.
Nau'in lubricant da kuma tsammanin friction coefficient.
Tsawon igiya da kuma hanyar hanyar (daidai, tsaye, gangara).

Mataki na 2: Yi amfani da Tsarin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙarfin Ƙ

Tsarin mahimmanci don madaidaiciyar madaidaiciya mai madaidaiciya shine:

]T = μ × w × L

A ina:

μ = ma'aunin jujjuyawar
w = nauyin igiya ta kowane na'ura na tsawon (misali, lb/ft)
L = tsawon sashi na madaidaiciya

Don ɗagawa mai ɗagawa (don jan sama), ƙara ɓangaren nauyi: T = μ × w × L + w × H, inda H shine haɓakar tsaye.

Mataki na 3: Ka Yi Ƙididdigar Matsayi Ta Hanyar Ƙuƙwalwa

Don kowane lankwasawa, tashin hankali bayan lankwasawa yayi daidai da tashin hankali kafin lankwasawa da factor bend: T2 = T1 × e^(μθ) .

Mataki na 4: Ka haɗa da Binciken Matsi na Ƙafa

Matsin bangon gefe (SWP) a kowane lankwasa bai kamata ya wuce iyakar kebul ba (yawanci 250750 lb / ft don tagulla, 50300 lb / ft don fiber). SWP = T_bend / R, inda T_bend shine ƙarfin da ke gaban lankwasawa kuma R shine radius na lankwasawa a ƙafa. Idan SWP ya wuce iyakar, ƙara radius na lankwasawa ko rage ƙarfin ta hanyar sake sanya wurin janyewa ko amfani da akwatunan janyewa na tsakiya.

Mataki na 5: Ka Yi Amfani da Abubuwan Tsaro

Mafi kyawun aikin masana'antu ya iyakance jan hankali zuwa 50% na MAPT don shigarwa na yau da kullun, da 25% don wayoyi masu mahimmanci (misali fiber optic, kayan aiki). Wannan mahimmin mahimmin tsaro yana ba da lissafin ƙarfin aiki, tsufa, da faɗaɗa zafi. Wasu ƙayyadaddun bayanai don mahimman caji (tashin wuta, ƙarfin gaggawa) suna buƙatar ƙananan iyakoki.

Misali: Wurin MAPT na igiyoyi shine 1,000 lbf. Matsakaicin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin

Ƙididdigar Ƙarfafawa: Hanyar Sashin Sashin Sashin Sashin

Don dogon ko hadaddun hanyoyi, raba igiyar da ke gudana zuwa sassan: kowane sashi madaidaici da kowane lankwasa wani sashi ne. Lissafi tashin hankali a hankali daga ƙarshen jan baya zuwa ƙarshen ciyarwa. Wannan hanyar tana ba da daidaitattun tashin hankali daga aya zuwa aya kuma tana gano mafi girman ƙarfin ƙarfin.

Manual vs. Kayan Aiki na Software

Ana iya yin lissafin hannu ta amfani da takarda don gudu har zuwa kusan segments 10. Don manyan ayyuka, yi amfani da software na jan zaren (ana samun kayan aikin masana'antun da yawa kyauta) ko aikace-aikacen wayoyin hannu waɗanda aka tsara don masu lantarki. Waɗannan kayan aikin sun haɗa da ƙimar jujjuyawar daidaito, masu ninka ninka, da kuma binciken SWP. Hakanan suna samar da rahotanni don takaddama.

Misali Lissafi (A sauƙaƙe)

Bari mu ce mun ja igiyar da ta kai tsawon ƙafa 250 (nauyin 0.5 lb / ft, μ = 0.3) ta hanyar madaidaiciya tare da lankwasawa 90 ° biyu. Farawa daga wurin jawowa (ƙarshe A), da farko mun haɗu da lankwasawa 90 ° a ƙafa 80, sannan wani 90 ° a ƙafa 180, kuma na ƙarshe madaidaiciya zuwa ƙafa 250. Yin amfani da hanyar haɓaka:

Sashin 1 (daidai 80 ft): T1 = 0.3 × 0.5 × 80 = 12 lbf
Karkata 1 (90 °, μ = 0.3): T2 = 12 × e ^ 0,3 × 1,57) ≈ 12 × 1,60 = 19,2 lbf
Sashe na 2 (daidai 100 ft daga 80 zuwa 180): T2 zuwa T3: T3 = 19.2 + (0.3 × 0.5 × 100) = 19.2 + 15 = 34.2 lbf
Karkashin 2 (90 °): T4 = 34.2 × 1.60 ≈ 54.7 lbf
Sashe na 3 (ƙarshe 70 ft): T5 = 54.7 + (0.3 × 0.5 × 70) = 54.7 + 10.5 = 65.2 lbf

Idan MAPT shine 200 lbf, ma'aunin aminci 50% yana ba da 100 lbf mafi girma. 65.2 lbf yana cikin iyaka. Amma idan kebul yana da MAPT na 100 lbf (50 lbf amintacce), wannan gudu zai kasance maras kyau, yana buƙatar sake yin la'akari da lankwasawa ko amfani da lubricant don rage μ.

Kayan Aiki don Auna da Kuma Kula da Matsananci

Yin lissafi yana da muhimmanci, amma yanayin duniya yana bambanta.

Dynamometers (Tirga Tensiyon Mita)

Ana sanya dynamometers a cikin layi tsakanin igiyar janyewa da kebul. Suna samar da karatun dijital na tashin hankali a ainihin lokacin. Yawancin samfuran suna da ƙararrawa waɗanda ke sautin idan an wuce iyakar da aka saita. Don jan fiber optic, ana fifita ƙananan ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin ƙarfin

Masu jan hankali da ke kula da tashin hankali

Masu jan igiyoyi masu aiki tare da daidaitawa ta atomatik suna daidaita saurin don kiyaye ƙarfin ƙasa da iyakar da aka saita. Waɗannan suna da kyau ga dogon gudu inda saka idanu na hannu ba shi da amfani. Hakanan suna rage nauyin girgizar da aka haifar ta hanyar farawa ba zato ba tsammani.

Capstan Winches da ke Ƙuntata Ƙuntata

Capstan winches ba da damar da kebul ya zame idan tashin hankali ya wuce ƙofar. Duk da haka, dole ne a daidaita zamewa daidai don kauce wa lalacewa. Koyaushe yi amfani da mai amfani da karfin wuta a jerin.

Kayan aiki na amfani da lubrication

Idan ka yi amfani da man shafawa mai kyau, za ka iya rage yawan tsatsa. Ka yi amfani da famfo ko kuma kumfa mai shafawa da ke amfani da kayan a cikin layi.

Kuskuren da Ake Yi Sau da Sau da Ke Sa Kabulu Su Lalace

Ko da masu sana'a da suka ƙware suna yin kuskure, sanin irin kurakuran da ake yi sau da yawa zai taimaka mana mu guji yin aiki da yawa.

Yin watsi da 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 Ƙarƙashin

Idan duk igiyoyi suna kama da juna, hakan zai haifar da overpulling. Wani igiyar Cat6 ba za ta iya ɗaukar 200 lbf ba; MAPT ɗinta galibi yana kusa da 25 lbf. Koyaushe bincika takardar bayanai. Idan takardar bayanan ta ɓace, yi amfani da tsoffin tsoffin masana'antu: 0.001 lbf a kowace mil na sararin samaniya na jagorar jan ƙarfe.

Yin Ƙari Daga Ƙarshen da Bai Dace

Wasu igiyoyi an tsara su don a cire su daga ƙarshen mai ƙarfi (misali, igiya tare da jan ido a gefe ɗaya).

Kula da Matsi a 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 Ƙar

Masu shigarwa na iya lissafin jimlar ƙarfin lantarki amma ba su kula da matsin lamba na bangon gefen ba. Babban ƙarfin lantarki a ƙuntataccen lankwasawa na iya murkushe kebul ko da jimlar ƙarfin yana ƙasa da MAPT. Yi amfani da sweeps na radius na inci 4 ko mafi girma don igiyoyin wutar lantarki; igiyoyin fiber optic suna buƙatar aƙalla sau 20 na diamita na kebul.

Yin Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar da Fitar

Sauka lubricant don adana lokaci yana ƙara friction, sau da yawa da 23 sau. Wannan ba kawai yana ƙara tashin hankali ba amma kuma yana rage jaket ɗin kebul. Lubricant yana da arha idan aka kwatanta da maye gurbin kebul.

Ka Bar Kablar ta Juya

Lokacin da kake amfani da riƙe da jan da ke juyawa ko kuma lokacin da kebul ya juya daga reel, juyawa yana gabatar da ƙarfin juyawa wanda zai iya haɗuwa da ƙarfin jan da ya wuce iyakar kebul. Yi amfani da juyawa ko riƙe da ƙarancin juyawa.

Kada Ka Yi Amfani da Dukan Idanun Kaɗa ko kuma Ƙarƙashin Ƙungiya

Haɗa igiyar jan kai tsaye zuwa ga masu gudanarwa ko jaket ba tare da riƙewa ba zai iya haifar da damuwa, tsawa ko yankewa. Koyaushe yi amfani da ido mai jan da aka ƙayyade don diamita da ƙarfin kebul.

Mafi Kyawun Ayyuka don Tattara Kayayyaki

Bin waɗannan jagororin yana rage haɗari kuma yana inganta ingancin shigarwa.

Aika da hanya kafin farawa. Auna nesa, lura da duk lankwasawa, kuma ƙayyade mafi kyawun shugabancin janyewa. Yi la'akari da ƙara akwatunan janyewa don dogon gudu (sama da ƙafa 250) ko gudu tare da lankwasawa 90 ° da yawa.
Yi amfani da lubricant mai dacewa da kayan jaket ɗin kebul (PVC, PE, LSZH). Yi amfani da lubricant a cikin bututun da kuma a kan jaket ɗin kebul. Don dogon gudu, sake amfani da shi a wuraren tsaka-tsaki.
FLT:0 Cike da saurin jan hankali mai santsi, mai daidaituwa FLT:1 yawanci 15 30 ft / min don igiyoyin wutar lantarki, mai jinkiri (10 ft / min) don fiber. Jeri ya jawo tashin hankali. Idan kuna amfani da mai jan inji, ƙara saurin a hankali.
FLT:0]]Manufaci tashin hankali a kai a kai tare da mai karfin wuta. Rubuta tashin hankali mafi girma don takaddun inganci. Idan tashin hankali ya wuce 80% na iyakar aminci da aka lissafa, dakatar da bincika.
Bayar da isasshen radius na lankwasawa a duk wuraren. Yi amfani da masu shafawa na masana'antu ko kwandon filin da ke da radius aƙalla sau 6 na diamita na kebul don iko, sau 1020 don fiber.
A matsayin ƙa'ida ta duniya, kada ku wuce 50% na MAPT. Don wayoyi masu mahimmanci ko masu mahimmanci, yi amfani da 25%. Wannan yana ɗaukar masu canji na shigarwa kuma yana ba da dama ga ƙarfin gaba.
Yi amfani da igiyar janyewa tare da ƙarfin da ya dace (ƙananan ƙarfin da ake tsammani na 2x).
Ka riƙe da reel ɗin kebul ɗin don ya ciyar da kyau ba tare da tashin hankali na baya ba. Yi amfani da birki na reel kawai don hana wucewakuma kada ku haifar da juriya.

Abubuwan da Za a Yi La'akari da Su na Musamman don Nau'in Kable

Wutar lantarki (low, Medium, High Voltage)

Don manyan masu gudanarwa (misali, 500 kcmil), iyakokin tashin hankali suna dogara ne akan ɓangaren mai gudanarwa. Yi amfani da ma'anar ma'anar (FLT:0) = 0.008 × yankin mai gudanarwa (mils na zagaye) (FLT:1) don tagulla, ko 0.006 don aluminum. Matsin gefen gefe dole ne ya kasance ƙasa da 750 lb / ft don jaket na PVC na yau da kullun; XLPE na iya ɗaukar har zuwa 1,000 lb / ft. Yi amfani da lubricants da aka yarda don ƙarfin lantarki mai ƙarfi (ba mai ƙonawa, babu bin diddigin carbon).

Kayan sadarwa da na bayanai

Twired-pair da kuma coaxial igiyoyi suna da ƙananan iyakantaccen jan hankali (<50 lbf). Ana jan su sau da yawa a cikin ƙungiyoyi; rage tashin hankali ta hanyar raba ta da yawan igiyoyi. Yi amfani da safa masu jan hankali waɗanda ke riƙe da ƙungiya daidai. Guji matsawa igiyoyi na igiyoyi bayan shigarwa, saboda ƙarfin ƙarfin zai iya lalata aikin. Don [tsarin igiyoyin igiyoyi] https://www.ansi.org), TIA-568.2-D ya ba da shawarwarin jan hankali.

Fiber Optic igiyoyi

Fiber shine mafi mahimmanci ga jan hankali da kuma matsa lamba na bangon bangon. Matsakaicin ƙarfin ƙarfin don igiyoyin bututu mai laushi yawanci 200300 lbf ne; igiyoyin buffer mai tsauri na iya zama 50100 lbf. Matsakaicin bangon bangon bangon bangon ba zai wuce 50 lb / ft a kan ƙananan bends ba. Koyaushe yi amfani da [fiber optic pulling lubricant]https://www.panduit.com) da mai jan hankali mai ƙarancin ƙarfin tare da ƙararrawa. Bayan shigarwa, gwada ƙananan ƙarancin ta amfani da OTDR.

Kayan Wuta da Aka Saka a Wuta

Kayan igiyoyi masu ƙarfi (MC, AC, Teck) suna da ƙarfi amma sun fi ƙarfi. Matsakaicin ƙarfin su yana iyakance ta hanyar sulke maimakon masu gudanarwa. Ja da sauri da amfani da tallafin rollers don kauce wa lalata jaket. Don wayoyin da ke da babban zafin jiki (misali, RHH / RHW-2), tabbatar da cewa an ƙayyade lubricant don ƙimar zafin jiki.

Nazarin Kashi: Hana Rashin Kable na Fiber Optic

A data center shigarwa ya shafi jan 48-strand single-mode fiber waya ta hanyar 400 ft na bututu da uku 90 ° bends. farko lissafi ta amfani da misali 0.35 friction coefficient ya ba da wani tashin hankali na 112 lbf a jawo batu, da yawa a kasa da 300 lbf MAPT. Duk da haka, gefe bango matsa lamba a na biyu bends ya 112 lbf / 2 ft radius = 56 lb / fts dan kadan sama da cables 50 lb / ft iyaka.

Lokacin da Za Ka Kira Mai Sarrafa Don Taimako

Idan ƙarfin da aka ƙidaya ya wuce 80% na MAPT bayan amfani da abubuwan tsaro, ko kuma idan an wuce iyakar matsin lamba na bangon gefe, tuntuɓi mai samar da igiya. Suna iya ba da jagora na musamman, bayar da shawarar hanyoyin janyewa na daban, ko amince da iyakancewa mafi girma ga takamaiman kayan aiki (misali, ta amfani da lubricants na musamman ko jinkirin janyewa da sauri). Kada ku ɗauka cewa wucewa iyakokin da aka buga yana da kyauya rasa garanti da haɗarin lalacewa.

Ƙarshen

Daidai da jan hankali na jan hankali ba wani abu ne da za a kimanta ta hanyar ji ba. Yana buƙatar fahimtar ƙarfin jiki da ke wasa, tattara bayanai daidai, da yin lissafi na yau da kullun. Ta hanyar amfani da dabaru don madaidaiciyar gudu, lankwasawa, da matsin lamba na bangon gefe, da kuma amfani da abubuwan tsaro na 50% (ko ƙasa da haka don wayoyi masu mahimmanci), kuna kare duka kebul da ƙungiyar shigarwa. Hakanan yana da mahimmanci amfani da kayan aikin auna, lubricants, da kayan haɗi. Lokacin da shakku, koma ga ƙayyadaddun masana'anta da ƙa'idodin masana'antu kamar NFPA 70 (NEC) da TIA / EIA jagororin.

Yin amfani da wutar lantarki mai kyau yana kawo kasawa, rage farashin sake aiki, da kuma tsawon rayuwar sabis na kebul. Ko kana cire igiyar Ethernet guda ɗaya ko babban mai ciyarwa, ka'idodin sun kasance iri ɗaya: lissafa, saka idanu, da daidaitawa.