Umshini Wokushisela UmthungoIsimiso Sokusebenza
Isimiso sokusebenza somshini we-seam welding sisekelwe ezintweni eziyisisekeloukumelana nokushisela, kodwa ikhethekile ukukhiqiza ukushisela-okuvuzayo okuqinile (umthungo) phakathi kwamashidi ensimbi amabili noma ngaphezulu agqagqene.
1. Isimiso Esiyinhloko: I-Resistance Seam Welding
Emgogodleni wayo, i-seam welding ihlukileukumelana nokushisela. Isebenza ngomgomo weUkushisa kwe-Joule: lapho amandla kagesi amakhulu edlula ezintweni ezinokumelana nogesi, akhiqiza ukushisa.
Ifomula eyisisekelo yokushisa okukhiqizwa yilena:H = I² * R * t
Kuphi:
H= Ukushisa okukhiqizwe (Ama-Joule)
I= Ugesi wamanje (Amperes)
R= Ukumelana kukagesi kwe-workpiece (Ohms)
t= Isikhathi okusetshenziswa ngaso isikhathi samanje (Amasekhondi)
Okubalulekile ukuthi ukumelana okuphezulu kakhulu ku-esibonakalayophakathi kwamashidi amabili ensimbi (ngenxa yokungapheleli kwendawo nama-oxides), okwenza lelo phuzu elinembile lishise kakhulu futhi lincibilike, kwakheka i-weld nugget.
2. Izingxenye Ezibalulekile Nezindima Zazo
Umshini wokushisela umthungo uhlanganisa izingxenye ezimbalwa ezibalulekile ukuze usebenzise lesi simiso ngokuqhubekayo:
- Amasondo e-Electrode (Ama-Roller Electrodes):Lawa athatha indawo yama-electrode amile we-spot welder. Ayazungezisa,{1}}amasondo e-copper alloy amise okwe-disc abopha izinto zokusebenza futhi athwale i-welding current. Baphinde bafake ingcindezi ye-forging bese behambisa i-workpiece ngomshini.
- I-Power Supply & Controller:Ihlinzeka futhi ilawule ngokunembile amandla kagesi-amaphakathi aphezulu. Imishini yesimanje iyasetshenziswaMid-I-Frequency Direct Current (MFDC)ama-inverters wokulawula okuphezulu nokusebenza kahle.
- I-Pressure Mechanism:Isebenzisa amandla angaguquki naguquguqukayo (nge-pneumatics noma ama-servomotors) emasondweni e-electrode, iqinisekisa ukuthintana kahle kukagesi kanye nokubumba insimbi encibilikisiwe.
- Uhlelo Lokupholisa:Izungeza amanzi ezingalweni ze-electrode nama-transformer ukususa ukushisa okukhulu okukhiqizwa futhi kuvimbele umonakalo.
3. Isinyathelo-nge{2}}Isinyathelo Sokusebenza Sesinyathelo
Inqubo ingabonwa ngeso lengqondo ku-flowchart elandelayo, ebonisa izindlela ezimbili eziyinhloko zokusebenza:
- I-Seam Eqhubekayo:Amasondo e-electrode azungeza ngesivinini esingaguquki ngenkathi amanje ageleza ngokuqhubekayo, enza i-weld eyodwa, engaphazamiseki. Lokhu kulungele ukukhiqiza ukuhlanganisa okuvalwe kahle kweziqukathi, amathangi, noma amapayipi.
- Roll-Spot (Izikhawu) Seam:Umshini usebenza-ngomjikelezo wokuma. Amasondo azungeza ibanga elifushane ("iphimbo"), ame, bese kuthi i-pulse yamanje ilethwe{2}}njenge-spot welder{3}}ngaphambi kokuphinda. Lokhu kudala uchungechunge lwama-weld nuggets agqagqene. Le ndlela ijwayelekile lapho kungadingeki khona ukufaka uphawu okuqhubekayo, njengoba inciphisa okokufaka ukushisa futhi inciphisa ukuhlanekezela.
4. Izinzuzo Nemikhawulo
| Izinzuzo | Ukulinganiselwa |
|---|---|
| Amazinga aphezulu okukhiqiza& Isivinini | Izindleko eziphezulu zemishini |
| IkhiqizaI-Hermetically ivaliweamalunga | Kukhawulelwe kumajoyinti ahambayo kanye namajika aqondile/ajikelezayo alinganayo |
| Akukho okusebenzisekayonjengama-filler rods noma igesi | Akuzona zonke izinsimbi ezifanele (isb., izinsimbi eziphezulu ze-thermal conductivity zinzima) |
| Inqubo Hlanzangaphandle kwezinhlansi noma intuthu | Ilunga eleqayo lengeza isisindo kanye nokokusebenza uma kuqhathaniswa nelunga lezinqe |
| Ukuphindaphinda Okuhle Kakhulukanye ne-automation | Idinga ubuchwepheshe obubalulekile ukuze usethe amapharamitha ngendlela efanele |
5. Izicelo Ezivamile
I-Seam Weldingiyindinganiso yemboni yanoma yisiphi isicelo esidinga ukuhlangana okuqhubekayo, {0}okuvuzayo kobufakazi:
- Ezezimoto:Amathangi kaphethiloli, amasistimu wokuqeda amandla, ama-muffler, izihlungi zikawoyela, iziguquli ze-catalytic.
- Imboni:Imikhumbi yokucindezela, amasilinda amanzi, izingxenye zesiqandisi (ama-compressors, ama-evaporator), izigubhu zokuthumela kanye nemiphongolo.
- I-Aerospace:Imigqa yamafutha kanye namathangi amancane.
- Izimpahla zabathengi:Izindlu zikagesi (isb., amathangi okushisa amanzi, obhavu bemishini yokuwasha).
