Kwimveliso yanamhlanje,medium-oomatshini bokuwelda bamaxesha amaninzizisetyenziswa ngokubanzi kwimveliso yeemoto, ukudibanisa ibhetri, ukwenziwa kwesinyithi, kunye nokuveliswa kwezixhobo. Uzinzo lwabo lokusebenza luchaphazela ngokuthe ngqo ukusebenza kakuhle kwemveliso kunye nomgangatho we-weld. Ngexesha lemisebenzi ye-welding eqhubekayo, umthamo omkhulu wamandla ombane uguqulwa ube ngubushushu ngexesha elifutshane kakhulu. Ukuba lo bushushu abuchithwanga ngokufanelekileyo, ukushisa kwangaphakathi kwesixhobo kuya kunyuka ngokukhawuleza, okukhokelela ekusebenzeni kwe-welding engazinzanga kunye nokucima ngokukhawuleza.
Kwiimeko zemizi-mveliso yokwenyani, ngaphezulu kwe-60% yemiba yokufudumeza kwindawo ephakathi{1}}i-frequency spot welders ibangelwa kukulungiswa okungafanelekanga kwesixokelelwano sokupholisa kunokusilela kwecandelo lombane. Oku kuthetha ukuba nezixhobo ezikumgangatho ophezulu{3}zisenokufumana ii-alam rhoqo okanye ukuvalwa ukuba inkqubo yokupholisa ayigcinwanga kakuhle ngexesha{4}}lokusebenza kwexesha elide. Ngoko ke, kubaqhubi, iinjineli zolondolozo, kunye neenkampani eziceba ukuthenga oomatshini bokuwelda, ukuqonda ulwakhiwo lwenkqubo yokupholisa nokuseka inkqubo yokugcinwa emgangathweni kubalulekile ukuze kuqinisekiswe uzinzo lwexesha elide{6}}lokusebenza.
Ukusuka kwimbono ye-lifecycle, xa inkqubo yokupholisa isebenza phantsi kweemeko ezifanelekileyo, amacandelo abalulekileyo afana neemodyuli ze-IGBT, i-medium -i-frequency transformers, kunye neeyunithi zokulungisa zingahlala ngaphakathi kweqondo lokushisa elikhuselekileyo. Oku kunciphisa kakhulu izinga lokungaphumeleli kwaye kwandise ubomi benkonzo yezixhobo. Amava oshishino abonisa ukuba ngokulungiswa okufanelekileyo, ubomi bubonke bomatshini wokuwelda unokwandiswa ngama-20% ukuya kwengama-30%, nto leyo ebonelela ngexabiso elikhulu kwezoqoqosho kwiindawo zemveliso eziqhubekayo.
1. Ubume kunye noMgaqo wokuSebenza weNkqubo yokuPholisa kwiNdawo ePhakathi{1}}I-Frequency Spot Welder
Ngaphambi kokuxoxa ngeenkqubo zokulondoloza, kuyimfuneko ukuqonda isakhiwo esisisiseko kunye nomgaqo wokusebenza wenkqubo yokupholisa. Ukuqonda okucacileyo koyilo lwenkqubo kunceda ukuchonga iimpazamo ezinokubakho ngokukhawuleza kwaye kukwavumela abathengi ukuba bavavanye umgangatho wezixhobo ngexesha lokuthenga.
Isixokelelwano sokupholisa esiphakathi-sesisixokelelwano somoya oqhelekileyo siquka amaqela amabini: inkqubo yamanzi{1}}ekupholisa kunye{2}}nenkqubo yokupholisa yomoya. Amanzi{4}}inkqubo yokupholisa inoxanduva lweyona nkqubo yokulahla ubushushu, ngelixa i-air{5}}inkqubo yokupholisa isebenza njengesixhobo esincedisayo sokupholisa kwikhabhinethi yolawulo kunye nezinto zombane.
1.1 Amacandelo angundoqo kunye noMsebenzi waManzi{1}}Inkqubo yokupholisa
Amanzi{0}}inkqubo yokupholisa yeyona ndawo ibalulekileyo yolawulo lwesakhiwo sobushushu. Umsebenzi wayo kukususa ngokuqhubekayo ubushushu obuveliswe ngaphakathi kwesixhobo ngokujikeleza isisipholisi ngokusebenzisa amacandelo abalulekileyo. Inkqubo eqhelekileyo ibandakanya itanki yamanzi okupholisa, impompo yokujikeleza, imibhobho yamanzi, i-heat exchanger, izihlungi, izinzwa zobushushu kunye neevalvu ze-solenoid. La malungu enza inkqubo evaliweyo-ejikeleza iluphu eqinisekisa ukuhanjiswa kobushushu okuqhubekayo.
Ngethuba lokusebenza, ipompo yokujikeleza iqhuba i-coolant ngokusebenzisa i-transformer kunye neemodyuli zamandla. Ubushushu bufunxwa kwaye emva koko budluliselwe kwi-heat exchanger, apho kukhululwa kwindawo yangaphandle. Isipholisi sibuyela kwitanki kwaye siqhubeke nomjikelo. Xa inkqubo isebenza ngokufanelekileyo, ubushushu bangaphakathi buhlala buzinzile, buqinisekisa ukuba i-welding yangoku kunye nomgangatho we-weld uzinzile.
Kwimizi-mveliso, iiparamitha ezicetyiswayo zokusebenza zezi zilandelayo:
- Ubushushu bamanzi angenayo: 20-30 degree
- Ubushushu bamanzi obuphumayo: ngaphantsi kwe-40 degree
- Umahluko wobushushu: 5-10 degree
Ukuba umahluko weqondo lokushisa udlula olu luhlu, ngokuqhelekileyo lubonisa izinga lokuhamba okunganeleyo okanye ukunciphisa ukusebenza kakuhle kokutshintsha kobushushu. Idatha yoshishino ibonisa ukuba xa umqukuqelo wokupholisa wehla ngaphantsi kwe-80% yomthamo olinganisiweyo, umngcipheko wokutshisa ngokugqithiseleyo uyenyuka kakhulu. Ukusebenza ixesha elide phantsi kweemeko eziphezulu zokushisa kunokunciphisa ixesha lokuphila kweemodyuli ze-IGBT nge-30% -50%, okwenza le nto ibe yenye yezona zizathu eziqhelekileyo zokungaphumeleli kwezixhobo zexesha elide.
1.2 Indima encedisayo yoMoya{1}}iNkqubo yokuPholisa
Nangona amanzi-inkqubo yokupholisa ilawula ubushushu obuphambili,{1}}inkqubo yokupholisa yomoya idlala indima ebalulekileyo yokuxhasa, ingakumbi phantsi kobushushu obuphezulu okanye iimeko eziqhubekayo zemveliso. Inceda ukugcina amaqondo obushushu azinzileyo ngaphakathi kwikhabhinethi yolawulo kwaye inqande ukuqokelelwa kobushushu malunga nezinto ezibuthathaka ze-elektroniki.
Inkqubo yokupholisa yomoya-idla ngokuba neefeni zokupholisa, iitsinki zobushushu, kunye nemijelo yokuphuma komoya. Isusa ubushushu ngokujikeleza umoya kwindawo yonke. Ngelixa ukusebenza kwayo kokupholisa kusezantsi kunokokupholisa amanzi, ihlala ibalulekile ekugcineni ibhalansi ye-thermal iyonke.
Idatha yasendle ibonisa ukuba xa uthuli lugquma ngaphezulu kwe-30% yendawo yokushisa ubushushu, ukusebenza kakuhle kokupholisa kukonke kunokwehla ngaphezulu kwe-20%. Esi sesinye sezizathu eziphambili zokuba kutheni ii-alamu zokushisa zixhaphake kakhulu ngexesha lokusebenza kwehlobo.
Ngoko ke, inkqubo yokupholisa yomoya-akufunekanga ithathwe njengenxalenye yesibini. Kufuneka ifakwe kwishedyuli efanayo yogcino njengenkqubo yamanzi{2}}yokupholisa ukuqinisekisa ukusebenza okuzinzileyo phantsi kwazo zonke iimeko zokusebenza.
2. Amanzi{1}}uLondolozo lweNkqubo yokuPholisa (Undoqo woZinzo lweZixhobo)
Umgangatho wogcino lwesixokelelwano sokupholisa samanzi- sichaza ngokuthe ngqo ukuba i-medium -i-frequency spot welder ingasebenza ngokuthembekileyo kwixesha elide. Kwiindawo ezininzi zoshishino, ukugcinwa okungonelanga kwenkqubo yokupholisa kuyimbangela ephambili yokushisa kunye nokuvalwa okungalindelekanga, nangona isixhobo ngokwaso siphezulu.
2.1 ULondolozo lweMihla: Ukuthintela kwangethuba{1}}uKungaphumeleli kwenqanaba
Uhlolo lwemihla ngemihla lwenzelwe ukukhangela iimpawu ezilumkiso kwangethuba ngaphambi kokuba zibe ziintsilelo ezinkulu. Abaqhubi kufuneka bajonge inqanaba lokupholisa phambi kokuqaliswa ngakunye. Amanqanaba okupholisa asezantsi anokubangela ukuba umoya ungene kwimpompo, oko kubangele ukujikeleza okungazinzanga. Nangona oku kungenakubangela ukusilela ngokukhawuleza, ukusebenza ixesha elide phantsi kweemeko ezinjalo kunokukhokelela ekugqithiseni kwendawo.
Imeko yokupholisa kufuneka ibekwe esweni. Ukuba ulwelo lunamafu, lube nombala, okanye luqulethe intlenga, oko kubonisa ungcoliseko kwaye into yokupholisa kufuneka itshintshwe ngokukhawuleza.
Ukuhlolwa kokuvuza lelinye inyathelo elibalulekileyo. Amanqaku okuvuza aqhelekileyo abandakanya ukudityaniswa kwemibhobho, ukudityaniswa kwempompo, kunye nojongano lokutshintsha ubushushu. Nokuba ukuvuza okuncinci kunokunciphisa kancinci uxinzelelo lwenkqubo kunye nokusebenza kakuhle kokupholisa. Ngokuhamba kwexesha, oku kunokuchaphazela kakhulu ukuzinza kwe-thermal.
Ukongeza, ukuhamba kwesipholisi kufuneka kujongwe. Ubukho bamaqamza omoya okanye ukuhamba okungazinzanga kudla ngokubonisa ukuvaleka kwangaphakathi okanye ukungena komoya. Ukuba iimeko ezinjalo zenzeke, inkqubo kufuneka imiswe ukuze ihlolwe ukuthintela ukunyuka kweqondo lokushisa ngokukhawuleza ngexesha lokusebenza.
2.2 ULondolozo lweXesha: Ukuqinisekisa{1}}Uzinzo lweXesha elide
Ukongeza kwiitshekhi zemihla ngemihla, ulungiso lwamaxesha lubalulekile ekugcineni-ukuthembeka kwenkqubo yexesha elide. Izihluzi kufuneka zicocwe rhoqo ngeveki, njengoko zivame ukuqokelela inkunkuma enciphisa izinga lokuhamba kunye nokusebenza kakuhle kokupholisa. Izitshintshi zobushushu kufuneka zicocwe rhoqo, ngakumbi kwiindawo ezinothuli okanye ezinamafutha.
Ngenyanga nenyanga, impompo yokujikeleza kufuneka ihlolwe ukungcangcazela, ingxolo, okanye ukuthotywa kokusebenza. Ukuthambisa kufuneka kufakwe apho kukho imfuneko, kwaye izinto ezigugileyo kufuneka zitshintshwe ngokukhawuleza. Ukuguga kombhobho kufuneka kwakhona kuhlolwe, njengoko imibhobho eqinile okanye eqhekekileyo yandisa kakhulu umngcipheko wokuvuza phantsi koxinzelelo.
Rhoqo kwiinyanga ezintathu, kucetyiswa umjikelo opheleleyo wolondolozo lwenkqubo. Oku kubandakanya ukukhupha amanzi kunye nokutshintshwa kwesipholisi, ukugungxulwa kwetanki kunye nemibhobho, kunye nokuhlaziya kwakhona izinzwa zobushushu. Ukujongwa okuchanekileyo kweqondo lokushisa kubalulekile, njengoko ukufundwa okungalunganga kunokuthintela ukukhuselwa kwenkqubo ngexesha elifanelekileyo kunye nokunyusa umngcipheko wokulimala kwezixhobo.
3. ULondolozo lweNkqubo yoMoya{1}} (Ihlala ingahoywa kodwa ibalulekile)
Nangona ilula ngolwakhiwo, inkqubo yomoya-yokupholisa idlala indima ebalulekileyo ekugcineni amaqondo obushushu angaphakathi kwikhabhathi, ingakumbi ngexesha lomsebenzi oqhubekayo okanye{1}}kwimimandla yobushushu obuphezulu. Iimeko zokungahambi kakuhle komoya zingakhokelela ekuqokeleleni kobushushu kunye nokunciphisa ukuthembeka kwamalungu e-elektroniki.
Ngexesha lokugcinwa kwemihla ngemihla, umoya owomileyo ocinezelweyo kufuneka usetyenziselwe ukucoca iisinki zobushushu kunye nemijelo yokuphuma komoya. Uthuli kunye ne-welding debris kufuneka isuswe ukuqinisekisa ukuhamba komoya okufanelekileyo. Amava ommandla abonisa ukuba xa imijelo yokuhamba komoya ivalwe malunga30%, ukusebenza kakuhle kokupholisa kunokwehla ngaphezu kwe20%.
Ukusebenza kwabalandeli kufuneka kwakhona kujongwe ukungcangcazela okungaqhelekanga, ingxolo, okanye isantya esingazinzanga. Ukuba iimpawu ezinjalo ziyenzeka, i-fan motor okanye iibheringi zinokunxitywa kwaye kufuneka zinikezelwe inkonzo okanye zitshintshwe ngokukhawuleza ukunqanda ixesha lokuphumla elingalindelekanga.
4. Ukungaphumeleli kweNkqubo yokuPholisa eqhelekileyo kunye nezisombululo
Kwiindawo zokwenyani zemveliso, ii-alamu ezitshisayo okanye umgangatho we-welding ongazinzanga zihlala zinxulunyaniswa nemiba yenkqubo yokupholisa kunokuba iziphene zombane. Ukuchongwa kwangaphambili kweempawu kunokunciphisa kakhulu ixesha lokuphumla kunye neendleko zokulungisa.
Itheyibhile yeNgcombolo yeFault Common
| Uphawu | Unobangela Onokwenzeka | Isenzo esiCetyisiweyo |
|---|---|---|
| I-alam yokutshisa rhoqo | Ukunganeli kokuhamba kwesipholisi | Coca isihluzi kwaye ujonge ukusebenza kwempompo |
| Umgangatho we-weld ongazinzanga | Ubushushu obuphezulu besipholisi | Hlola ukusebenza kwenkqubo yokupholisa |
| Ukufudumeza okugqithisileyo kwe-electrode | Ukuvaleka kwemibhobho | Gubha imibhobho yokupholisa |
| Ubushushu bekhabhathi ephezulu | Ukuvaleka kokuhamba komoya | Umoya ococekileyo{0}inkqubo yokupholisa |
5. Uyilo lweNkqubo yokuPholisa kunye noKhetho lweZixhobo
Kwiinkampani eziceba ukuthenga i-welder yendawo ephakathi{0}}yesiqhelo, uyilo lwenkqubo yokupholisa luphawu oluphambili lokuthembeka kwesixhobo. Oomatshini abaninzi basebenza kakuhle ekuqaleni kodwa baphuhlisa imiba yokufudumeza phantsi kwemveliso eqhubekayo ngenxa yokungonelanga kwamandla okupholisa.
Xa ukhetha izixhobo, ingqwalasela ephambili kufuneka inikwe kwiisistim ezinamanzi azimeleyo{0}}iisekethe zokupholisa, njengoko ziqinisekisa ukuhanjiswa okupholisayo okuzinzileyo kumacandelo abalulekileyo. Kwakhona kubalulekile ukuqinisekisa ukuba umatshini uquka ukuhamba kunye neenkqubo zokukhusela i-alamu yokushisa, ezinokuvala ngokuzenzekelayo umatshini kwiimeko ezingaqhelekanga ukukhusela umonakalo omkhulu.
Kuba -umsebenzi ophezulu{1}} okanye ophezulu{2}usetyenziso lwangoku, i-industrial chiller{3}}inkqubo yokupholisa esekwe kucetyiswa ngamandla, njengoko zibonelela ngolawulo oluzinzileyo lobushushu kunye nokuphucula ukuhambelana kwewelding.
6. ISingqinisiso seShedyuli yoLondolozo oluMgangatho
| Into | Ukuphindaphinda | Inkcazo |
|---|---|---|
| Ukujonga umgangatho wokupholisa | Yonke imihla | Ukubeka iliso kwinqanaba kunye nomgangatho |
| Ukucoca isihluzi | Rhoqo ngeveki | Susa inkunkuma |
| Ukuhlolwa kwempompo | Ngenyanga | Jonga imeko yokusebenza |
| Ukuhlolwa kwemibhobho | Ngenyanga | Jonga ukuguga okanye umonakalo |
| Utshintsho olupholileyo | Ngekota | Inkqubo yokugungxula |
| Ukuhlolwa kwabalandeli | Ngekota | Jonga inkqubo yokuhamba komoya |
Ukuqukumbela: ULondolozo oluLungileyo lokuPholisa luqinisekisa ukuSebenza okuZinzile kwe-Welding
Ngamafutshane, inkqubo yokupholisa yomatshini wokuwelda ophakathi{0}}ayiyonto nje encedisayo kodwa ngumba obalulekileyo ekuqinisekiseni umgangatho ozinzileyo wokuwelda kunye nexesha elide lezixhobo zokusebenza. Inkqubo yokupholisa-egcinwe kakuhle inciphisa kakhulu imingcipheko yokutshisa, icuthe ixesha lokuphumla, kwaye ithoba iindleko zokuyilungisa.
Kwiinkampani ezicwangcisa ukutyala imali kwizixhobo zokuwelda, ukuqonda uyilo lwenkqubo yokupholisa kunye neemfuno zokugcinwa kubalulekile kungekuphela nje ekusebenzeni kwemihla ngemihla kodwa nokuvavanya umgangatho womatshini ngexesha lokuthenga. Ngokulungiswa okufanelekileyo kunye nokukhetha okuchanekileyo kwezixhobo, abavelisi banokufikelela kwimveliso ephezulu ngokusulungekileyo, ukuphuculwa kokungaguquguquki kwe-welding, kunye nokusebenza okuthembekileyo{1}}kwexesha elide.
