Lub tshuab vuam tshuab yog ib qho cuab yeej tseem ceeb hauv ntau cov txheej txheem thev naus laus zis, muab kev sib txuas txhim khu kev qha ntawm qhov chaw. Qhov zoo ntawm qhov tshwm sim yog cuam tshuam los ntawm cov yam ntxwv xws li qhov loj ntawm qhov tam sim no, hom khoom, qhov chaw sib txuas thiab qhov loj ntawm cov electrodes.
Kev piav qhia
Spot vuam yog siv ob qho tib si hauv kev lag luam thiab hauv tsev. Nws yog qhov zoo tshaj plaws rau kev ua hauj lwm nrog nkhaus profiles, steel thiab non-ferrous hlau. Cov txheej txheem no muab siab seam zog thiab nqi-zoo. Tsis tas li ntawd, nws tuaj yeem siv los kho cov khoom siv hauv chav ua noj thiab ntau yam cuab yeej.
Cov txheej txheem yog ua raws li kev sib xyaw ntawm tus kheej cov ntsiab lus thiab lawv qhov kho. Tom qab ntawd, nrog kev pab los ntawm hluav taws xob tam sim no, cov khoom yog rhuab. Kev saib xyuas tshwj xeeb yog them rau tus txheeb ze txoj hauj lwm ntawm cov ntsiab lus ntawm qhov xav tau, uas yog khaws cia thoob plaws tag nrho cov haujlwm. Cov khoom ua ib qho los ntawm kev yaj ntawm cov khoom uas tau tshwm sim hauv qabThermal mem tes.
Type
Lub tshuab qhov chaw welder yog manually ua thiab yuav tsum tau teem lub amperage ua ntej siv. Lub ntsiab kom zoo dua yog qhov yooj yim tsim thiab muaj peev xwm tsim nyob rau hauv tsev. Lawv tau dhau los ua qhov dav tshaj plaws thiab tau pom daim ntawv thov hauv ntau qhov kev lag luam.
Cov cuab yeej tsis siv neeg tso cai rau koj kom tau txais kev sib txuas nrog qhov tsawg kawg nkaus ntawm kev tsis lees paub. Tib lub sijhawm, tsis tas yuav muaj kev txawj tshwj xeeb rau kev ua haujlwm thiab cov nqi zog raug txo.
Pneumatic thiab hydraulic khoom siv dav siv hauv kev lag luam.
Cov khoom muag khoom siv vuam yog kim heev, tab sis nws tau dhau los ua qhov dav vim nws lub peev xwm los txuas rau hauv tsev neeg, kev ua haujlwm dav dav thiab qhov loj me.
Txawm hais tias cov khoom siv tau yooj yim yog qhov qis dua rau cov khoom nyob ruaj ruaj, lawv muab cov seam zoo ntawm tus nqi tsawg rau kev yuav khoom. Tib lub sijhawm, koj tuaj yeem ua haujlwm nrog hlau txog li 6-7 hli tuab.
Basic elements
Spot vuam tshuab tuaj yeem ua hauv tsev. Qhov nrov tshaj plaws yog cov khoom siv uas tsis muaj kev tswj hwm tam sim no. Cov cuab yeej zoo li no yog tswj los ntawm hluav taws xob impulse, lub sijhawm hloov pauv siv qhov tshwj xeeb relay lossis hloov.
Ib qho ntawm cov ntsiab lus tseem ceeb yog qhov hloov pauv uas muabxav tau qib tam sim no. Rau lub hom phiaj no, koj tuaj yeem siv lub kauj los ntawm lub qhov cub microwave, uas muaj cov yam ntxwv tsim nyog thiab pheej yig. Xws li lub tsev ua qhov chaw vuam tshuab yog tsim rau kev ua hauj lwm nrog hlau qhov chaw nrog lub thickness ntawm 1-2 hli. Yog tias ua tau, kom muaj txiaj ntsig zoo dua, nws tsim nyog xaiv cov khoom siv hluav taws xob los ntawm qhov cub microwave muaj zog. Nws yuav tsum raug sau tseg tias hauv cov khoom siv hauv tsev ntawm hom no cov hlau nplaum ua haujlwm ntawm qhov hluav taws xob ntawm 4000 V. Yog li ntawd, cov xov hlau hloov pauv yog tuab dua, thiab tus lej hloov pauv ntawm qhov thib ob winding yog qhov tsawg dua ntawm thawj.
Cov xov hlau ntawm cov cua ntsawj ntshab thib ob hauv lub tshuab hloov pauv raug tshem tawm nrog lub hacksaw lossis chisel, qee zaum nws yog qhov yuav tsum tau mus rau qhov drilling. Nws tsis pom zoo kom khob tawm qhov winding thiaj li tsis ua rau cov cables puas. Yog tias muaj shunts, lawv kuj yuav tsum raug tshem tawm vim lawv pab txwv tam sim no.
Ib qho kev hloov pauv tshiab thib ob yog ua tom qab tshem tawm qhov tsim nyog. Nrog ib tug tooj liab cable nrog ib tug ntoo khaub lig seem ntawm tsawg kawg yog 100 mm², koj muaj peev xwm ua tau kom pom qhov voltage qhov tseem ceeb. Qee zaum, nws yog ib qho tsim nyog yuav tsum tshem tawm cov rwb thaiv tsev sab nraud, uas tsis tso cai rau kev ua kom haum winding. Nws tuaj yeem hloov tau nrog daim kab xev, siv cov kab txuas luv luv kom txo tau qhov tsis kam.
Rau cov kev xav tau hauv tsev, raws li txoj cai, peb tig yog txaus, nrog kev nce hauv lawv cov lej, tam sim no ntawm cov cuab yeej nce. Tsis tas li, lub zog ntxiv tuaj yeem tau txais los ntawm kev txhim kho ntau lub tshuab hloov pauv.
Yam uas koj yuav tsum paub
Lub tshuab vuam tshuab, sib sau los ntawm lub qhov cub microwave nrog koj tus kheej txhais tes, yuav tsum tau siv cov electrodes hauv ob lub voj voog. Nyob rau hauv cov ntaub ntawv ntawm kev siv ob transformers nrog tib lub hwj chim, lawv yuav tsum tau txuas nrog cables 10 hli tuab, qhov kawg ntawm uas yog txuas nrog lub electrode. Kev saib xyuas yuav tsum tau ua thaum txuas thawj thiab theem nrab windings kom tsis txhob muaj luv luv.
Thaum qhov loj ntawm lub qhov rais magnetron tsis txaus, uas ua rau nws nyuaj rau ntxiv cov kab rov tav, thiab tib lub sijhawm siv cov khoom siv hluav taws xob nrog lub zog siab, kev sib txuas ntawm cov kab txuas thib ob tau pom zoo. Cov kev taw qhia winding yuav tsum ua raws li txoj cai, yog tias txoj cai no tsis tau pom, muaj qhov ua tau zoo ntawm kev tau txais antiphase thiab, vim li ntawd, xoom tso zis voltage.
Voltage
Ntawm transformers, terminals ntawm tib lub npe yog qhia los ntawm ib lub cim los yog ib tsab ntawv. Thaum tsis muaj cov cim qhia, nws raug nquahu kom siv lub voltmeter los xyuas. Nws yog ib qho tsim nyog yuav tsum tau siv qhov hluav taws xob rau cov thawj windings los ntawm kev txuas lub cuab yeej mus rau theem nrab. Nyob rau hauv cov ntaub ntawv ntawm kev sib txuas cov windings nrog opposite leads, lub voltmeter yuav qhia qhov voltage. Qhov no yog vim lub fact tias thawj winding muab voltage rau lub thib ob, qhov twg nws yog hloov dua siab tshiab thiab doubled.
Thaum txuas ib khub ntawm windings nrog tib qhov tso zis, qhov hluav taws xob ntawm qhov thib ob windings yuav rov qab thiab lub voltmeter yuav qhia xoom.
Yuav ua kom lub tshuab vuam tshuab muaj zog dua, koj tuaj yeem ua tausiv ob peb transformers, thaum coj mus rau hauv tus account qhov kev ua tau zoo ntawm lub network. Tag nrho qhov hluav taws xob ntawm cov khoom siv yuav tsum tsis pub tshaj tus nqi teev. Qhov kev xaiv zoo tshaj plaws yuav yog lub zog tam sim no hauv thaj tsam ntawm 1000-2000 A.
Electrodes
Electrodes yog qhov zoo tshaj plaws los ntawm tooj liab rods ntawm txaus tuab, thaum txoj kab uas hla yuav tsum phim cov tsis muaj ntawm cov hlau. Thaum lub sij hawm, cov electrodes hloov lawv cov duab thiab ua tsis haum rau kev ua hauj lwm, yog li ntawd lawv yuav tsum tau pumped li systematically. Nws raug nquahu kom txo tus naj npawb ntawm cov kev sib txuas thiab qhov ntev ntawm lub cable los ntawm transformer mus rau electrode thiaj li yuav ua rau kom muaj zog. Qhov kev xaiv zoo tshaj plaws yuav yog txuas cov electrodes rau cov lus qhia ua los ntawm tooj liab thiab tsau ntawm qhov kawg ntawm cov xov hlau. Txhawm rau tiv thaiv oxidation ntawm tooj liab ntawm cov ntsiab lus ntawm kev sib cuag, koj yuav tsum tau solder qhov chaw, thiab qhov no yuav ua kom yooj yim rau kev ntxuav ntxiv. Nws yog tsim nyog sau cia tias crimping tuaj yeem siv los txo qhov poob.
Kev tswj hwm
Lub roj teeb qhov chaw welder feem ntau nruab nrog cov ntsia hlau clamp los muab lub zog ntxiv thaum lub sijhawm ua haujlwm. Cov cuab yeej yog tswj los ntawm lub kauj lossis hloov. Qhov tseem ceeb tshwj xeeb yog kev kho kom zoo ntawm cov electrodes, uas yog qhov tsim nyog rau kev ua haujlwm ib txwm muaj. Hauv kev ua haujlwm, ib qho cuab yeej uas muaj peev xwm kho qhov ruaj khov thiab qhov hnyav txaus yuav yooj yim dua. Qhov hloov yuav tsum ntseeg tau thiab ntev.
Lub khawm hloov pauv tsuas yog txuas rau thawj qhov cua, qhov no kev ncaj ncees ntawm kev sib cuag yuav raug khaws cia thiab tiv thaiv ntxiv.
Ntawm cov khoom siv nrog lub zog tswj txoj cai, qhov hloov pauv tau txuas rau ntawm lub clamp, yog li nws tuaj yeem tswj tau cov txheej txheem vuam nrog ib txhais tes.
Kev tuav cov tshuab vuam tshuab qhib thiab tawm tsuas yog thaum cov electrodes raug compressed. Nws raug nquahu kom nruab qhov yuam kev qhov cua, uas yuav tso cai rau koj ua haujlwm yam tsis muaj kev so tsis tu ncua thiab saib xyuas cov cua kub ntawm cov neeg xyuas pib thiab cov electrodes.
Tau txais kev sib txuas zoo tsuas yog ua tau nrog kev paub txog tag nrho cov subtleties ntawm cov txheej txheem, tshwj xeeb, nws yog ib qho tsim nyog yuav tau txiav txim siab cov theem ntawm kev npaj los ntawm cov yam ntxwv sab nraud thiab ntxoov ntxoo ntawm cov khoom, muaj kev paub nrog lub mem tes tam sim no. Qhov ceev ntawm kev txav ntawm cov electrodes yuav tsum nyob rau tib theem thaum lub sij hawm tag nrho cov txheej txheem vuam.
Kev nyab xeeb
Kev soj ntsuam kev nyab xeeb thaum ua haujlwm yog qhov tseem ceeb tshwj xeeb, vim tias qhov chaw vuam tshuab tsis zoo tuaj yeem ua rau muaj kev phom sij rau kev noj qab haus huv thiab ua rau cov khoom puas. Koj yuav tsum ua raws li cov cai hauv qab no:
- siv lub npog ntsej muag tshwj xeeb los tiv thaiv lub ntsej muag thiab qhov muag ntawm cov hlau tawg thiab tawg;
- rwb thaiv tsev ntawm kev sib txuas thiab hluav taws xob cables;
- tsis muaj cov khoom siv hluav taws xob thiab cov kua dej nyob ze ntawm qhov chaw vuam;
- siv cov hnab looj tes thiab hnab looj tes tiv thaivhlawv;
- ua pa tsis tu ncua ntawm chav tsev, uas ntxuav cov huab cua los ntawm cov pa phem;
- muaj nyiaj los tua hluav taws;
- tiv thaiv ntoo ntawm qhov chaw (pem teb, rooj) los ntawm cov nplaim taws.
txheej txheem nta
Tsis txhob hnov qab txog kev npaj ua haujlwm tsim nyog kom tau txais cov vuam zoo. Cov khoom siv yog ua ntej ntxuav ntawm plua plav thiab av nrog kev pab los ntawm txhuam thiab cov khoom sib xyaw tshwj xeeb. Ua-nws-koj tus kheej qhov chaw vuam los ntawm lub tshuab vuam ib txwm suav nrog ob peb kauj ruam tseem ceeb, uas suav nrog cov hauv qab no:
- tso chaw ntawm cov khoom sib txuas hauv txoj haujlwm xav tau;
- nias qhov nruab nrab ntawm electrodes;
- cua sov kom txog thaum plasticity tshwm, tso cai rau cov hlau deform.
Nws tsim nyog sau cia tias thaum lub sijhawm ua haujlwm, lub ntsiab lus ntawm qhov tsis muaj fusion yuav tshwm sim, uas tshwm sim vim tsis muaj lub hauv paus cam khwb cia lossis nws qhov me me. Kev taug qab qhov tsis xws luag no tuaj yeem nyuaj, thiab nws tuaj yeem ua rau muaj qhov tshwm sim hauv qab no:
- melting element nto;
- Pierce los ntawm cov khoom
- porous qauv ntawm cov tub ntxhais welded.
