Iinkcukacha zeTorque yeTerminal Block: Ukuthintela Umonakalo Oqinisiweyo Kwizinto Ezifakelweyo Entsimini

Isishwankathelo esifutshane: iinkcukacha ze-torque ye-terminal block zikhona ukuze zilungelelanise iindlela ezimbini zokungaphumeleli eziyingozi kodwa kwicala elichaseneyo. Ukuqinisa kakhulu konakalisa i-terminal block ngoomatshini kwaye akunakuguqulwa. Ukuqinisa kancinci kudala i-joint enokumelana okuphezulu eshushu kakhulu kwaye inokubangela umlilo. I-torque echanekileyo ye-terminal block eqhelekileyo ye-push-in efana ne-J-Guang PCT-211 yi-0.5 ukuya kwi-0.8 Nm kwi-screw clamp actuator. Ukufakelwa kwentsimi kufuneka kusetyenziswe i-screwdriver elinganiselweyo ye-torque enoluhlu lwe-0.1 ukuya kwi-1.0 Nm, kwaye ixabiso le-torque kufuneka lirekhodwe kwi-terminal nganye ukuze kulandeleke.

Kutheni iTorque yeTerminal Block ibaluleke ngaphezu kokuba uninzi lwabaSebenzi boMbane becinga

Iibhloko zesiphelo zizinto ezilula ngokukhohlisayo. Zibukeka njengezikliphu ezincinci ezibamba ucingo endaweni yalo, kwaye inkqubo yokufakela ibonakala njengokuqinisa isikrubhu. Inyani kukuba i-torque esetyenziswa kwisikrubhu imisela ukuba ijoyinti iya kusebenza ngokuthembekileyo na kwiminyaka engama-20 ezayo okanye ukuba iya kusilela ukusebenza kwiinyanga ezimbalwa.

I-torque imisela amandla okubamba kwi-conductor, emisela ukumelana noqhagamshelwano kwi-joint, emisela ubushushu be-joint phantsi komthwalo, emisela ubomi benkonzo. Ubudlelwane buzinzile kakuhle kwi- Umgangatho we-UL 1059 weebhloko zesiphelo kwaye ngokulinganayo Umgangatho we-IEC 60947-7-1 kwi-switchgear ene-voltage ephantsi kunye neebhloko zesiphelo sezixhobo zokulawula.

Kwabakhi bokufakela intsimi, intsingiselo esebenzayo kukuba ibhloko nganye yesiphelo kwiphaneli nganye kufuneka iqiniswe kwi-torque echanekileyo, ngesixhobo esilinganisiweyo, kwaye ixabiso le-torque kufuneka lirekhodwe ukuze kulandelelwe. Le yimfuno yolawulo lomgangatho ebiza imizuzu embalwa kwisiphelo ngasinye kodwa igcina iindleko zokusilela kwephaneli okanye isiganeko somlilo kamva.

Ukuqinisa Ngokugqithisileyo: Imo Yokusilela Eyonakalisa Ibhloko Yesiphelo

Ukuqina kakhulu kwiibhloko zesiphelo kubangela iintlobo ezintathu zomonakalo. Eyokuqala kukususa intambo yesikrufu, okwenza ibhloko yesiphelo ingakwazi ukugcina amandla okubamba kwisikhondisi kwaye ifuna ukutshintshwa. Eyesibini kukuguquguquka kwekheyiji yokubamba, okunciphisa indawo yoqhagamshelwano phakathi kwekheyiji kunye nomqhubi kwaye kwandisa ukumelana kwamalungu. Eyesithathu kukuqhekeka kwendlu, okuveza iindawo eziphilayo kwaye kudala ingozi yokhuseleko. Zonke iindlela ezintathu zomonakalo zinokwenzeka ngaxeshanye kwisiphelo esinye esiqinileyo.

Imo yokusilela kwe-screw thread strip yeyona ixhaphakileyo kwaye ibiza kakhulu. Nje ukuba i-screw thread isusiwe, i-terminal block ayinakusetyenziswa kwakhona kwaye kufuneka itshintshwe. Kwiphaneli enamakhulu aliqela e-terminal blocks, iindleko zokutshintsha ii-terminals ezonakeleyo kunye nomsebenzi wokuzidibanisa kwakhona zinokudlula iindleko zephaneli yonke yokuqala.

Indlela yokusilela kokuguqulwa kwekheyiji yokubamba ilula kakhulu. Ikheyiji yinxalenye yesinyithi ebamba umqhubi xa isikrufu siqinisiwe. Ukuqinisa kakhulu kucinezela ikheyiji ngaphaya komda wayo wokunwebeka, oku kuyishiya ikhubazekile ngonaphakade. Ikheyiji ekhubazekileyo inamandla aphantsi oqhagamshelwano kumqhubi kunekheyiji eqiniswe kakuhle, oko kuthetha ukumelana okuphezulu kwamalungu kunye nobomi benkonzo obufutshane. Ibhloko yesiphelo ingaphumelela uvavanyo lokuqinisekiswa kwe-torque ekupheleni kofakelo kodwa iya kusilela kwinkonzo ngenxa yokubaleka kobushushu.

Ukungaqini: Indlela yokusilela eqhelekileyo neyingozi ngakumbi

Ukuqina kancinci yindlela eqhelekileyo yokusilela kwentsimi kwaye iyingozi ngakumbi kunokuqina kakhulu ngeendlela ezininzi. Ibhloko yesiphelo engaqiniswanga kakhulu inokumelana okuphezulu kokuthintana kwilungu, nto leyo ebangela ukuba ilungu lifudumale xa lithwele umthwalo. Ubushushu buyenza i-oxidize imiphezulu yokuthintana, nto leyo eyonyusa ukumelana kwi-positive feedback loop. Kwiimeko ezinzima, ilungu linokufikelela kumaqondo obushushu aphezulu ngokwaneleyo ukuba linyibilikise i-insulation ejikelezileyo okanye livuthele izinto ezivuthayo ezikufutshane, nto leyo edala ingozi yomlilo.

Imo yokusilela kokubaleka kobushushu ibhalwe kakuhle kwi Ikhowudi yoMbane yeSizwe ye-NFPA 70 (i-NEC) Izifundo zetyala lempazamo yocingo kunye nophando lwengozi ye-arc-flash ye-IEEE 1584. Ibhloko yesiphelo esikhululekileyo yenye yezona zinto ziphambili zomlilo wombane kwiindawo zoshishino, kwaye imo yokusilela iyingozi kakhulu kuba ijoyinti inokuphumelela ukuhlolwa okubonakalayo kunye novavanyo lokuqhubeka kodwa isaza kusilela ekusebenzeni ngenxa yokujikeleza kobushushu.

Isisombululo sokuqinisa kancinci siyafana nesisombululo sokuqinisa kakhulu: isixhobo se-torque esilinganisiweyo kunye nexabiso le-torque elibhaliweyo. I-screwdriver ethintela i-torque ayizukuvumela umfaki ukuba aqinise kancinci ngaphantsi kwendawo ebekiweyo, nto leyo esusa iimpazamo zomntu eziyeyona nto ixhaphakileyo yokuqinisa kancinci.

Iinkcukacha zeTorque zePush-In vs Screw-Type Terminal Blocks

Kwiibhloko zesiphelo ezityhalwayo ezifana nePCT-211 evela kwi-J-Guang, inkcazo eqhelekileyo ye-torque ye-screw clamp actuator yi-0.5 ukuya kwi-0.8 Nm ngokuxhomekeke kwicandelo elinqamlezileyo le-conductor. Ixabiso elichanekileyo liprintiwe kwi-terminal block housing okanye linikezelwe kwiphepha ledatha lemveliso, kwaye akufuneki lidlule.

Kwiibhloko zesiphelo zesiqhelo ze-screw-type, i-torque specification ihlala iphezulu kwi-1.0 ukuya kwi-2.5 Nm ngokuxhomekeke kubukhulu be-screw kunye ne-conductor cross-section. Iibhloko zesiphelo ze-screw-type zifuna i-torque ephezulu kuba zisebenzisa i-saddle clamp ecinezela i-conductor kumphezulu othe tyaba, ngelixa iibhloko ze-push-in terminal zisebenzisa i-spring-loaded cage ebamba i-conductor ngamandla aphantsi okubamba.

Kwiibhloko zesiphelo se-spring-cage (ezaziwa ngokuba yi-IDC okanye izihlanganisi zokufuduka kwe-insulation), inkcazo ye-torque isebenza kuphela kwi-screw ye-actuator, kungekhona kwi-conductor insertion force. Uyilo lwe-spring-cage lubonelela ngamandla okubamba ahambelanayo kuluhlu lwee-cross-sections ze-conductor, nto leyo eyenza ukuba ixoleleke ngakumbi kwiinguqu ezincinci kwi-torque yokufakela kune-screw-type okanye i-push-in designs.

Ukukhethwa kweZixhobo zeTorque kunye noLungiso

Isixhobo esifanelekileyo se-torque yi-screwdriver elinganiselayo ye-torque okanye i-torque wrench enoluhlu oluquka i-torque elinganisiweyo ye-terminal block. Kwizicelo ze-0.5 ukuya kwi-0.8 Nm, i-screwdriver ye-torque enoluhlu lwe-0.1 ukuya kwi-1.0 Nm kunye ne-4 mm okanye i-6.3 mm hex bit ifanelekile. Kwizicelo ze-torque ephezulu ngaphezu kwe-2.5 Nm, i-torque wrench enoluhlu lwe-1.0 ukuya kwi-5.0 Nm ifanelekile.

Esi sixhobo kufuneka silinganiswe minyaka le ngokwemigangatho yesalathiso, kwaye isatifikethi sokulinganisa kufuneka sifumaneke kwindawo yokufakela ukuze kuhlolwe umgangatho. Umgangatho we-ISO 6789 wokulinganisa izixhobo ze-torque imisela ixesha lokunyamezelana kunye nexesha lokulinganisa kwakhona, kwaye uninzi lweenkqubo zokuqinisekisa umgangatho zifuna ukuthotyelwa kwe-ISO 6789 kwizixhobo ze-torque ezisetyenziswa kwiindawo eziqinisekisiweyo.

Kubathengi be-OEM kunye nabakhi beepaneli abafuna ukunciphisa uluhlu lwezixhobo ze-torque, i-J-Guang inokubonelela ngeenguqulelo ze-terminal block ezinee-actuators ezithintela i-torque ezisethwe ngumzi-mveliso. Ezi nguqulelo zamkela i-screwdriver bit eqhelekileyo kodwa i-actuator ngokwayo inciphisa i-torque esetyenzisiweyo kwixabiso elilinganisiweyo. Oku kususa imfuneko yokulinganisa izixhobo ze-torque kwaye kunciphisa ixesha lokufaka kwi-terminal nganye.

Inkqubo yoFakelo lweSithili kunye noQinisekiso loMgangatho

Inkqubo yokufaka intsimi yeebhloko zesiphelo kufuneka ibandakanye la manyathelo alandelayo. Okokuqala, qinisekisa imodeli yebhloko yesiphelo kunye ne-torque elinganisiweyo evela kwiphepha ledatha yemveliso okanye uphawu lwendlu. Okwesibini, qinisekisa ukuba isixhobo se-torque singaphakathi komhla waso wokulinganisa kwaye simiselwe kwixabiso le-torque elichanekileyo. Okwesithathu, susa umqhubi ukuya kubude obuchazwe kwiphepha ledatha, ngesiqhelo yi-8 ukuya kwi-10 mm kwiibhloko zesiphelo zesiphelo ze-push-in. Okwesine, faka umqhubi ngokupheleleyo kwisiphelo sesiphelo kwaye uqinise isikrufu kwi-torque elinganisiweyo.

Okwesihlanu, emva kokuqinisa, qinisekisa ukuba umqhubi ukhuselekile ngokutsala kancinci. Umqhubi akufuneki ahambe kwisiphelo sendlela phantsi kwamandla okutsala angama-10 N. Okwesithandathu, bhala ixabiso le-torque, inombolo ye-serial ye-terminal block, ukuchongwa komqhubi, kunye negama lomfaki kwi-installation log. Le log yirekhodi yokulandelela exhasa uphicotho lokuqinisekisa umgangatho kunye nesiqinisekiso solawulo.

Kwizinto ezinkulu ezifakelwe iibhloko ezininzi zesiphelo, le nkqubo kufuneka yongezwe ngokuhlolwa komgangatho rhoqo ngexesha lokufakelwa. Isiqhelo kukutshintsha i-torque ye-1% yesiphelo emva kokufakelwa kokuqala nokuqinisekisa ukuba i-torque ikwimeko yokunyamezelana. Olu vavanyo lomgangatho wezibalo lubamba iimpazamo ezicwangcisiweyo kwisetingi yesixhobo se-torque okanye kwindlela yokufaka ngaphambi kokuba zisasazeke kulo lonke ufakelo.

I-Re-Torque yePeriodic: Nini kwaye Kutheni

Kucetyiswa ukuba kusetyenziswe i-torque ephindaphindayo xa kufakelwa ii-terminal block eziphantsi kobushushu obujikelezayo, ukungcangcazela, okanye ukutshayiswa koomatshini. Ixesha lokusebenzisa i-torque lixhomekeke kwindawo esetyenziswayo. Kwiiphaneli zolawulo kumagumbi ombane alawulwa yimozulu, i-torque ephindaphindayo emva kweminyaka emi-5 idla ngokwanela. Kwiindawo zangaphandle eziphantsi kokutshintsha kobushushu bemihla ngemihla, kucetyiswa ukuba kusetyenziswe i-torque emva kweminyaka emi-2. Kwizixhobo ezingcangcazelayo ezifana neemoto okanye ii-compressor, kucetyiswa ukuba kusetyenziswe i-torque emva kweminyaka e-1.

Inkqubo yokubuyisela i-torque kukusebenzisa i-torque elinganisiweyo kwi-terminal nganye nokuqinisekisa ukuba isixhobo se-torque sicofa kwixabiso elilinganisiweyo. Ukuba isixhobo sicofa kwixabiso eliphantsi, i-terminal ikhululekile kwaye kufuneka iqiniswe kwixabiso elilinganisiweyo. Ukuba isixhobo asicofa kwixabiso elilinganisiweyo (kuba isikrufu sele sikwi-torque elinganisiweyo), i-terminal ilungile kwaye ayidingi kulungiswa.

Kwizinto ezifakelwayo ezixhomekeke kwi Isatifikethi se-IEC 61439 sokutshintsha kwe-voltage ephantsi, inkqubo yokubuyisela i-torque kufuneka ibhalwe phantsi kwincwadi yogcino kwaye iirekhodi mazifumaneke ukuze kuhlolwe isiqinisekiso. I-J-Guang inokubonelela ngecandelo lencwadi yolondolozo lwetemplate yeenkqubo zokubuyisela i-torque kwi-terminal block xa iceliwe. Umgangatho ohambelanayo waseYurophu ngulo I-EN 60947-7-1, epapashwe njengomgangatho weCENELEC ovunyelanisiweyo kwaye wamkelwe ngamazwe angamalungu e-EU.

Uxwebhu kunye nokulandelelwa kweenkcukacha ngeenjongo zophicotho-zincwadi

Uxwebhu lusisiseko sokuqinisekiswa komgangatho wokufakwa kwebhloko yesiphelo. Kufakelo ngalunye, iphakheji yamaxwebhu kufuneka ibandakanye imodeli yebhloko yesiphelo kunye nenombolo yeserial, isatifikethi sokulinganisa isixhobo se-torque, ixabiso le-torque elisetyenziswa kwisiphelo ngasinye, igama lomfaki kunye nomhla wokuqinisekiswa, kunye nembali ye-torque kwakhona kwisithuba ngasinye sokugcinwa. IKhomishini yeHlabathi ye-Electrotechnical (IEC) ipapasha isakhelo semigangatho yamazwe ngamazwe yamaxwebhu okufakelwa kombane, kwaye ukwamkelwa kwesizwe okufanelekileyo (okufana ne-UK BS 7671 IET Wiring Regulations okanye i-US NEC) kubonelela ngeemfuno ezongezelelweyo zengingqi.

Olu xwebhu bubungqina bokuba ukufakelwa kwenziwe ngokuchanekileyo, kwaye lusisiseko sebango lewaranti ukuba kukho ukusilela. Kubathengi be-OEM, olu xwebhu lukwaxhasa isiqinisekiso solawulo sephaneli okanye inkqubo epheleleyo, kwaye yirekhodi eliza kuhlolwa liqumrhu lesiqinisekiso ngexesha lokuhlolwa kokujonga.

I-J-Guang ithumela imodeli nganye yebhloko yesiphelo sendlela kunye nephepha leenkcukacha elidwelisa i-torque elinganisiweyo, uluhlu lwe-conductor cross-section, ubude be-strip, ubungakanani be-bit yesixhobo, kunye neentlobo zentambo ezifanelekileyo. Iphepha leenkcukacha likwafumaneka kwifomathi yePDF kwiphepha lemveliso ye-J-Guang. Kubathengi be-OEM, i-J-Guang inokubonelela ngamaphepha eenkcukacha ezenziwe ngokwezifiso anenombolo yenxalenye kunye nelogo ye-OEM, kwaye singaprinta kwangaphambili ixabiso le-torque kwindawo yebhloko yesiphelo sendlela ukuze kube lula ukubhekisela kuyo.

Izixhobo ezinxulumene noko

Kubafundi abafuna ukuphonononga ngakumbi, ezi zixhobo zilandelayo zomenzi zibonelela ngeenkcukacha ezongezelelweyo, amanqaku esicelo, kunye nedatha yekhathalogu yemveliso:

• nbjge.com
• nbjge.com//pct-211-din-rail-push-in-wire-terminal-block-conn
• nbjge.com//iimveliso