Nyob hauv tsev, ib qho khoom siv vuam tshuab feem ntau xav tau, tab sis nws nyuaj rau yuav nws vim tus nqi siab. Lub caij no, tsis muaj dab tsi nyuab hauv nws, thiab koj tuaj yeem ua ib qho cuab yeej nrog koj tus kheej tes. Lub hauv paus ntawm lub tshuab vuam yog ib qho transformer. Rau kev xav tau ntawm tus kheej, ua-nws-koj tus kheej qhov chaw vuam los ntawm microwave tuaj yeem ua. Yuav kom nkag siab zoo dua cov cuab yeej, koj yuav tsum xub nkag siab tias nws ua haujlwm li cas.
Lub hauv paus ntsiab lus ntawm kev ua haujlwm ntawm qhov chaw vuam khoom
Cov khoom hlau yog muab tso rau ntawm cov electrodes ua los ntawm tooj liab lossis tooj dag, uas lawv tau nias rau ib leeg. Tom qab ntawd, ib qho hluav taws xob tam sim no dhau los ntawm lawv, cua sov qhov chaw vuam liab-kub. Cov khoom ua cov yas, thiab cov dej da dej uas muaj txoj kab uas hla ntawm 12 hli yog tsim ntawm qhov sib tshuam. Nyob rau hauv qhov kev txiav txim siab, qhov sib koom ua ke yog welded.
Cov khoom siv tam sim no thiab cua sov tshwm sim nyob rau hauv daim ntawv ntawm ib qho impulse, tom qab ntawd cov khoom txuas ntxiv tau kho nyob rau hauv ib qhotxoj hauj lwm kom txias me ntsis.
Qhia txog lub hauv paus ntsiab lus ntawm kev ua haujlwm, nws yooj yim dua los txiav txim seb yuav ua li cas rau qhov chaw vuam koj tus kheej.
Qhov zoo thiab qhov tsis zoo ntawm qhov chaw vuam
Qhov zoo ntawm qhov chaw vuam yog:
- kev lag luam;
- siab daim ntawv cog lus muaj zog;
- kev yooj yim ntawm lub cuab yeej;
- ua koj tus kheej;
- muaj peev xwm ntawm automating cov txheej txheem hauv cov xwm txheej ntau lawm.
Resistance welding tsis xyuas kom nruj ntawm cov seam, uas yog lub ntsiab tsis zoo.
Vuam Tshuab Xav Tau
- Muaj peev xwm hloov lub sijhawm ntawm tus txheej txheem.
- Tsim qhov tseem ceeb ntawm qhov chaw vuam, ncav cuag qhov siab kawg ntawm qhov cua sov.
- Muaj cov electrodes uas muaj hluav taws xob thiab thermal conductivity. Electrolytic tooj liab, nws alloys nrog chromium thiab tungsten, bronze nrog ntxiv ntawm cadmium thiab cob alt yog haum rau qhov no. Rau ib lub tsev craftsman, tooj liab thiab nws cov alloy ntawm EV hom yog qhov yooj yim tshaj plaws. Qhov chaw tiv tauj ntawm qhov kawg ua haujlwm ntawm cov electrode yuav tsum yog 2-3 zaug tsawg dua qhov loj ntawm qhov vuam.
Ua lub tshuab vuam nrog koj tus kheej txhais tes
Los ntawm cov lus piav qhia ntawm lub hauv paus ntsiab lus ntawm kev ua haujlwm, nws paub meej tias phau ntawv qhov chaw vuam, ua ntej ntawm tag nrho cov, yuav tsum xyuas kom meej tias qhov chaw ntawm qhov chaw sib cuag tau rhuab mus rau lub melting kub. Lub zog cua sov ntawm cov cuab yeej sib txawv, thiab koj yuav tsum xav txog seb cov khoom siv hauv tsev yuav siv li cas.
Txoj kev ua:
- transformer;
- insulated hlau nrog txoj kab uas hla ntawm 10 mm lossis ntau dua;
- electrodes;
- hloov;
- tips;
- bolts;
- khoom siv rau kev tsim khoom ntawm lub cev thiab vuam vuam (plywood, ntoo blocks).
Cov khoom siv tau tsim feem ntau yog lub desktop. Cov khoom siv txawb tau dav siv thiab feem ntau sib npaug nrog cov khoom siv nyob ruaj ruaj.
Spot vuam pliers
Cov electrodes tau muab tso rau hauv cov lus qhia, thiab tom kawg yog txuas mus rau qhov kawg ntawm cov hlua vuam, cais ntawm ib leeg. Qhov yooj yim tshaj plaws yog ua kom lawv los ntawm cov ntoo thaiv nrog lub cev ua los ntawm plywood.
Tsuas yog sab caj npab txav, thaum sab caj npab txuas nrog lub hauv paus. Lub zog compression yuav tsum tau muab ntau li ntau tau, tshwj xeeb tshaj yog thaum cov nplooj ntawv tuab ntawm cov hlau yuav tsum tau welded. Qhov no yuav tsum muaj zog leverage. Nws yuav tsum yog lub caij nplooj ntoos hlav-loaded kom cov electrodes nyob rau hauv thawj lub xeev qhib. Hauv tsev, nws raug nquahu kom muab lub siab tsis pub tshaj 30 kg. Tus kov tuaj yeem ncav cuag 60 cm ntev, thiab cov electrodes txuas nrog ze rau ntawm qhov kev sib hloov kom lub zog yog 1:10. Hauv kev lag luam, cov khoom siv pneumatic thiab hydraulic yog siv los ua kom tiav qhov tsim nyog nias ntawm qhov chaw nrog adjustable quab yuam.
Nws yooj yim los nqa tus tes hloov ntawm tus kov. Nws yuav txuas nrog lub hauv paus winding, los ntawm qhov me me tam sim no ntws. Cov cuab yeej tseem tswj tau los ntawm lub tshuab hluav taws xob sib nqus los ntawm ko taw pedal. Qhov thib ob winding thiab cov ntaub ntawv transformer yog grounded.
Transformer los ua ke
Thaum ua tiavua-nws-koj tus kheej qhov chaw vuam los ntawm lub qhov cub microwave, qhov tseem ceeb ntawm cov cuab yeej yog 700-1000 W transformer. Qhov siab dua, qhov zoo dua. Lub microwave transformer muaj ib tug welded tsim. Nws yuav tsum tau tshem tawm tsuas yog lub thib ob winding, tsis muaj kev puas tsuaj rau lub hauv paus. Ntawm qhov tso zis, nws yog ib qho tsim nyog kom tau txais qhov vuam tam sim no tsawg kawg 500 A. Ua li no, koj yuav tsum tau cua ib qho tshiab rau saum cov thawj winding, los ntawm cov hlau uas muaj txoj kab uas hla yam tsawg 1 cm., qhov sib txawv tseem nyob rau hauv cov qhov ntawm lub transformer, los ntawm uas 2-3 lem ntawm ib tug tuab insulated hlau hla nruj nreem qhib ntawm cov tub ntxhais thiab cov thawj winding. A 1 kW ntaus ntawv yog tsim rau vuam daim hlau mus txog 3 hli tuab.
Ua-nws-koj tus kheej qhov chaw vuam los ntawm microwave tsim ib qho tam sim no nyob rau hauv nruab nrab winding mus txog 2 txhiab A. Nrog rau tus nqi loj dua, qhov hluav taws xob surges hauv lub network yuav pom tau thiab hauv chav tsev no tuaj yeem muaj qhov tsis zoo. cuam tshuam rau kev ua haujlwm ntawm cov khoom siv hluav taws xob. Hauv ib lub tsev ntiag tug, koj tuaj yeem siv lub cuab yeej muaj zog dua.
Yuav ua li cas disassemble lub microwave tsis yog ib qho teeb meem. Nws yog ib qho tseem ceeb uas nws transformer muab lub zog tsim nyog. Feem ntau, txhawm rau nce nws, siv ob lub tshuab hluav taws xob zoo tib yam, txuas nrog rau ib leeg. Ua li no, ib qho chaw welding Circuit Court yog tsim los ntawm ob qhov zoo tib yam theem nrab windings nrog kev sib txuas ntawm tib cov khoom tawm ntawm cov tswv yim thiab cov zis. Nyob rau hauv cov ntaub ntawv no, ib tug nce nyob rau hauv lub hwj chim los ntawm 2 lub sij hawm yog tiav yam tsis tau hloov lub voltage. Lub vuam tam sim no tseem yuav muab ob npaug rau. Nws yog ib qho tseem ceeb kom tsis txhob cuam tshuam cov kev coj ua kom tsis txhob muaj qhov luv luv. ATYog li ntawd, nws yuav ua tau rau vuam daim hlau mus txog 5 hli tuab.
Thaum cov windings thib ob txuas nrog hauv cov koob, qhov tso zis hluav taws xob ntawm txhua tus yog summed. Hauv qhov no, kev sib txuas yuam kev hauv antiphase kuj yuav tsum zam. Ua li no, ib qho kev thauj khoom txuas nrog rau cov zis thiab qhov hloov pauv hluav taws xob yog ntsuas nrog voltmeter.
Transformers txuas nrog lub hauv paus ntawm vaj tse thiab hauv av.
Kev tsim cov electrodes
tooj liab pas nrig yog qhov yooj yim tshaj plaws los nrhiav kev ua electrodes. Rau ib qho khoom siv me me, lawv tuaj yeem ua los ntawm qhov kawg ntawm cov hlau uas muaj zog. Cov electrodes sai sai poob lawv cov duab thiab yuav tsum tau sharpened ib ntus. Ib lub qhov yog drilled nyob rau hauv lawv, los ntawm cov bolts yog txuas nrog cov xov hlau ntawm lub thib ob winding.
Electrode yuav tsum:
- muaj zog ntawm kev ua haujlwm kub;
- kev yooj yim ntawm machining;
- siab thermal thiab hluav taws xob conductivity.
Rau qhov loj tshaj plaws cov kev cai no tau ntsib los ntawm tooj liab alloys nrog ntxiv ntawm tungsten thiab chromium lossis bronze uas muaj cob alt thiab cadmium. EV suav hais tias yog qhov zoo tshaj plaws alloy.
Cov hluav taws xob qis qis tau teeb tsa tsis muaj zog, thiab sab saud yog txuas rau sab caj npab. Nws yog ib qho tseem ceeb los xyuas kom meej tias lawv tau insulated zoo.
Cov cuab yeej txuas nrog lub network los ntawm 20 A circuit breaker.
Txoj kab
Cov Hlau txuas nrog cov electrodes, qhov ntev ntawm qhov yuav tsum luv li sai tau. Lawv yog soldered rau tooj liab tswv yim. Tus kheej cores ntawm cov hlau kuj tau soldered ua ke, vim hais tias nrog ib tug lojtam sim no, cov ntsiab lus tiv tauj tuaj yeem oxidize thiab lub zog poob. Nws tsis pom zoo kom crimp lub lugs, vim tias muaj kev tiv thaiv ntxiv ntawm cov ntsiab lus ntawm kev sib cuag.
Resistance vuam tshuab
Vuam tsuas yog ua tiav tom qab nias lub electrodes, txwv tsis pub lawv yuav hlawv. Lub ntsiab welding tsis yog raws li nram no:
- lub zog tam sim no;
- pulse duration;
- electrode nias quab yuam;
- puab thiab qhov loj ntawm electrodes (sphere, dav hlau).
Qhov siab tshaj plaws compression yog tsim thaum lub sijhawm tam sim no dhau mus thiab lub sijhawm luv luv tom qab nws. Nyob rau hauv cov ntaub ntawv no, cov hlau muaj sij hawm mus crystallize, thiab kev twb kev txuas yog muaj zog.
Nws yog ntshaw kom txias lub cuab yeej nrog lub kiv cua. Nws yog ib qho tsim nyog los saib xyuas qhov kub ntawm cov electrodes, cov xov hlau thiab windings ntawm lub transformer. Yog lawv sov so, so.
Lub sijhawm ntawm qhov chaw vuam yog nyob ntawm qhov loj ntawm qhov tam sim no thiab raug xaiv empirically. Feem ntau nws yog ob peb feeb. Feem ntau cov ntaub ntawv txuas nrog, tab sis tej zaum yuav muaj rods.
Vuam hom tuaj yeem nyuaj thiab muag. Nyob rau hauv thawj rooj plaub, ib tug loj tam sim no yog siv thiab ib tug loj compression quab yuam yog tsim nrog ib tug luv luv mem tes ntev (tsis ntau tshaj 0.5 sec). Hard hom yog tsim rau vuam tooj liab thiab txhuas alloys, nrog rau cov hlau alloy. Mos hom muaj lub sijhawm ntev mem tes. Nws yog qhov tsim nyog rau cov xwm txheej hauv tsev, qhov twg nws tsis tas yuav ua tiav lub zog xav tau. Workpieces yog welded los ntawm cov pa carbon steels.
Los ntawm txoj kab uas hla ntawm kev sib cuagQhov saum npoo ntawm cov electrode nyob ntawm qhov siab, qhov ceev tam sim no thiab qhov loj ntawm qhov chaw vuam.
Hauv tsev tsim ntawm cov chaw vuam, qhov tam sim no feem ntau tsis tswj hwm. Yeej, kev taw qhia yog ua rau lub sijhawm cua sov, thiab kev tswj xyuas yog ua los ntawm kev hloov xim ntawm qhov chaw. Yog tias yuav tsum muaj kev tswj hwm qhov hluav taws xob, lub chaw kuaj autotransformer txuas nrog ntawm cov khoom siv tuaj yeem siv. Yog li ntawd nyob rau hauv high tam sim no nws winding tsis hlawv tawm thaum kaw nrog lub log, cov khoom siv nrog stepped voltage tswj.
Daim ntawv thov ntawm qhov chaw vuam
Ib tus kws tsim khoom hauv tsev xav tau kev siv vuam rau kev kho me me thaum cov ntawv me me ntawm cov hlau yuav tsum tau koom nrog. Nws yog siv los hloov cov roj teeb ntawm cov cuab yeej hluav taws xob, cov khoos phis tawj thiab cov khoom siv zoo sib xws txhawm rau txo tus nqi hloov cov roj teeb. Kev kub ceev ntawm cov txheej txheem tiv thaiv cov khoom los ntawm overheating.
Zaj lus
Qhov kev xaiv ntawm qhov chaw vuam tshuab hauv khw yog loj, tab sis lawv cov nqi tseem siab. Tsis tas li ntawd, nws yog qhov nyuaj rau xaiv qhov tsis zoo. Koj tuaj yeem ua lub cuab yeej koj tus kheej, thiab nrhiav txhua yam koj xav tau hauv tsev lossis hauv koj lub rooj cob qhia. Ua-nws-koj tus kheej qhov chaw vuam los ntawm lub qhov cub microwave ua haujlwm ntseeg tau thiab muab qhov tsim nyog kho me me ntawm qhov chaw yog tias txhua qhov tsis raug xaiv raug xaiv. Ntawm no nws yog ib qho tseem ceeb kom nkag siab txog lub hom phiaj twg nws tsim.
