Isikhokelo soMthengi we-Spot welding Machine

Kweli xesha langoku apho imveliso ifuna umgangatho ophezulu kunye nokusebenza kakuhle, iumatshini wokuwelda indawoiye yaba yeyona ndlela ikhethwayo kwiiwelder ze-AC zokuxhathisa, ngenxa yokusebenza kwayo okuphezulu. Isetyenziswa kakhulu kwimveliso yeemoto, i-aerospace, imveliso yebhetri yamandla amatsha, kunye{1}}necandelo eliphezulu lezixhobo zombane .

Nangona kunjalo, ngeempawu ezininzi kunye neemodeli ezikhoyo kwimarike, umceli mngeni kwiingcali zokuthengwa kwempahla kukufumana indlela ngokwenzululwazi nangokuchaneka kwe-MFDC yokuwelda ezanelisa ngokwenyani iimfuno zabo zemveliso.

Eli nqaku libonelela ngo{0}}uhlalutyo olunzulu lwezalathi ezingundoqo ezintandathu ekufuneka ugxininise kuzo xa uthenga i-MFDC spot welder, kunye neengcebiso ezisebenzayo zokuthenga ukukunceda uphephe imigibe yokhetho kwaye uqinisekise utyalo-mali olunexabiso.

Amandla alinganisiweyo (KVA) sisalathisi esisisiseko sendawo yokukhupha amandla esixhobo sokutshisela, ngelixa uMjikelo woMsebenzi uyimetric ebalulekileyo yokuvavanya ukukwazi kwesixhobo ukugcina imveliso ezinzileyo ngexesha lemveliso eqhubekayo.

1. Amandla alinganisiweyo (KVA)

Amandla alinganisiweyo e-MFDC spot welder ngokuqhelekileyo abhekiselele kumandla aphezulu abonakalayo isixhobo esinokukhutshwa ngokuzinzileyo kumjikelo othile womsebenzi. Ukukhethwa kwamandla kufuneka kunqunywe ngokusekelwe kubukhulu, uhlobo lwezinto ezinokuthi zifakwe kwi-welded, kunye nesantya esifunekayo se-welding. Umzekelo, ukuwelda ezityebileyo Phezulu{2}Iipleyiti zeNtsimbi (HSS) okanye ezisezantsi{3}}imathiriyeli yokuxhathisa njengealloyi ze-aluminiyam ifuna umjelo wokuwelda ophezulu ngoko nangoko, nto leyo ifuna umatshini onamandla amakhulu alinganisiweyo.

2. Umjikelo woMsebenzi

UMjikelo woMsebenzi (ochazwa njengepesenti) uchaza ubungakanani bexesha esinokuthi isixhobo siqhubeke sisebenza kumjikelo oqhelekileyo (odla ngokuba yimizuzu eli-10).

Ifomula: Umjikelo woMsebenzi=(Ixesha lokuSebenza / (Ixesha lokuSebenza + Ixesha lokuphumla)) × 100%

• Abashiseli be-AC bemveli banomjikelezo ophantsi womsebenzi (umzekelo, i-10% ukuya kwi-20%).
• I-MFDC Inverter Welders, ngenxa yetekhnoloji yoguqulo ye-IGBT esebenzayo kunye neenkqubo zokupholisa zokujikeleza kwamanzi [14], zinomsebenzi ophezulu kakhulu womsebenzi. Izixhobo ezisemgangathweni kufuneka zifezekise i-50% okanye ngaphezulu, kunye -nemifuziselo ephezulu enokuthi ikwazi ukwenza i-100% yomjikelo womsebenzi, ivumela ukuqhubeka, ukujikeleza{5} - kwewotshi yokusebenza kunye nokunyusa kakhulu impumelelo yemveliso.

Ingcebiso yokuThenga: Kumgangatho ophezulu,-uxinzelelo oluqhubekayo, imigca yemveliso ezenzekelayo, kuyacetyiswa ukuba ukhethe izixhobo ezinomjikelo womsebenzi we-60% okanye ngaphezulu. Oku kuthintela ngokufanelekileyo ixesha lokuphumla rhoqo ngenxa yokushisa, ukuqinisekisa ukusebenza okuqhubekayo kunye nokuzinza komgca wemveliso.

Ukuchaneka kolawulo lwangoku lolona ncedo luphambili lobuchwephesha olwahlula abashiseli bamabala be-MFDC ukusuka kwi-welders ye-AC yendabuko, imisela ngokuthe ngqo ukuhambelana kunye nokuzinza komgangatho we-weld.

1. Phezulu{1}}Ulawulo oluchanekileyo lwangoku

Itekhnoloji yokuguqula i-MFDC ilungisa i-mains frequency current (50/60Hz), iyiguqulela ngeemodyuli ze-IGBT ibe yi-Medium Frequency AC yangoku ye-1000Hz ukuya kwi-4000Hz, ethi emva koko yehliswe yi-transformer kwaye ilungiswe ibe yi-DC pulse output [5].

• I-advanteji:{0}}uguqulo oluphezulu luvumela ulawulo lwangoku olukhawuleza kakhulu. -Umgangatho ophezulu we-MFDC abashiseli bamabala banokufikelela ulawulo lwangoku oluchanekileyo ukuya kwinqanaba le-millisecond (umzekelo, 0.001 ms). Oku kuchaneka kuphezulu kuqinisekisa ukuba igalelo lamandla kwindawo nganye ye-weld iyahambelana kakhulu ngokubuyisela ngexesha lokwenyani{7}}lokuguquguquka kwigridi yamandla kunye notshintsho kwi-workpiece yokumelana noqhagamshelwano.
• Usetyenziso: Ulawulo oluphezulu{0}}lokuchaneka lubalulekile xa udityaniswa amashiti abhityileyo, iintsimbi ezisebenza kakhulu (ezifana nealloyi ze-aluminiyam), okanye intsimbi. Icinezela ngokufanelekileyo i-spatter, inciphisa ubushushu{2}}indawo echaphazelekayo (HAZ), kwaye iqinisekisa ukuba i-coating ayitshiswa ngokugqithisileyo.

2. Inverter Frequency

I-inverter frequency ye-MFDC spot welders eziqhelekileyo ukusuka kwi-1kHz ukuya kwi-4kHz. I-frequency ephezulu ithetha ixesha lokunyuka ngokukhawuleza kwangoku kunye nokuchaneka kolawulo oluphezulu, ngelixa likwavumela ubungakanani obuncinci be-transformer.

Ingcebiso yokuThenga izinto: Gxininisa ekubeni isixhobo sinezici ezivaliweyo -Ulawulo lweNgxelo lwangoku lweNgxelo. Kwiimathiriyeli zokuwelda ezineemfuno zomgangatho ophezulu kakhulu-(ezifana nezixhobo zokhuseleko lwemoto), khetha imodeli ene-4kHz ephezulu{4}}i-inverter yefrikhwensi kunye namandla angoku okuhlola i-waveform.

Uxinzelelo lwe-Electrode yenye yezinto ezine eziphambili zokumelana ne-welding (Okwangoku, ixesha, uxinzelelo, ubushushu). Ukuchaneka kwayo kunye nesantya sokuphendula kubalulekile kumgangatho we-weld.

1. Olubanzi{1}}Uluhlu loLungiso loxinzelelo

-Umgangatho ophezulu we-MFDC welder kufuneka unikeze ngokubanzi-uluhlu, oluphezulu{2}}lulungelelaniso oluchanekileyo loxinzelelo (umzekelo, iiwelder zepneumatic zinokufikelela kwi-3KN ukuya kwi-10KN, kunye ne-servo welders ezinikezela ngoluhlu olubanzi ngakumbi). Oku kuvumela isixhobo ukuba siziqhelanise ngokuguquguqukayo nezixhobo zokusebenza zobunzima obahlukeneyo kunye nemathiriyeli:

• Uxinzelelo olunganelanga: Ukukhokelela ngokulula ekuchaseni ukunxibelelana ngokugqithisileyo, kubangele i-spatter enzima, kunye nokwakheka kakubi kwe-nugget.
• Uxinzelelo olugqithisileyo: Isenokutyumza isinyithi esicekethekileyo, ukukhawulezisa ukunxiba kwe-electrode, kwaye kuchaphazele ubungakanani benugget.

2. Ukulandela i-Electrode{1}}phezulu

Ukulandelela{0}kubhekiselele kubuchule be-electrode bokukhawuleza nangokuchanekileyo ukulandelela ukuhamba kwemizuzu ye-workpiece njengoko ithamba kunye nezivumelwano ngenxa yobushushu ngexesha lenkqubo ye-welding.

• Ukubaluleka: Ukungalandeli kakuhle{0}}kunokubangela ukuba imiphezulu yoqhakamshelwano yeworkpiece yahlukane ngexesha lokunyuka kwangoku, okukhokelela "kwi-welds ebandayo" okanye "i-flashing," ebeka esichengeni amandla e-weld [2].
• Ukuphunyezwa koBuchule: -Isiphelo esiphezulu se-MFDC abashiseli bamabala bakholisa ukusebenzisa iisilinda ezisezantsi ze-inertia ze-pneumatic okanye ii-Servo Motor Drives (i-Servo Spot Welders) ukuqinisekisa iziphumo zoxinzelelo oluchanekileyo kunye nokulandelwa kokufuduswa ngaphakathi kwe-milliseconds.

Ingcebiso yokuThenga: Ukuba uhlahlo lwabiwo-mali luvumela, i-Servo Spot Welder lolona khetho lukhethwayo, njengoko lubonelela ngokuchaneka ngakumbi, ulawulo lweprofayili yoxinzelelo olucwangcisiweyo, olufanelekileyo ngakumbi kwimveliso ezenzekelayo efuna ukuhambelana kwe-weld ephezulu kakhulu.

Abashiseli bamabala e-MFDC bafuna unikezelo lombane lwesigaba esithathu. Ngenxa yamandla -azo aphezulu, iimpawu zokusebenza ezibethayo, zifuna uzinzo oluphezulu kwigridi yamandla kunye namandla okuchasa{3}}ukuphazamiseka okunamandla kumatshini ngokwawo.

1. Ukuguquguquka kwamandla

Itekhnoloji yokuguqula i-MFDC ngokwemvelo ibonelela ngezibonelelo zeFactor yaMandla aphezulu (kufutshane ne-1.0) kunye nomthwalo wesigaba esithathu{1}, esinciphisa kakhulu impembelelo kwigridi yamandla. Nangona kunjalo, ukuguquguquka kwegridi yamandla kuxhaphakile kwiindawo zoshishino, ngakumbi kwimimandla efana neIndiya apho uzinzo lwegridi lunokwahluka.

• IsiXhobo soMgangatho: Kufuneka sibe noluhlu olubanzi lokufakwa kwamandla ombane kunye nokuchasana okuqinileyo nokuguquguquka kwegridi. Umzekelo, ukukwazi ukugcina imveliso ye-welding yangoku ezinzileyo ngaphakathi koluhlu lokuguquguquka kombane we-±15%.
• I-Reference Data: Xa kuthelekiswa ne-welders ye-AC yendabuko, i-welders ye-MFDC inokuphucula umbane wecala kwicala legridi ukuya ngaphezu kwe-0.95, ngokufanelekileyo ukunciphisa ukulahleka kwamandla asebenzayo kunye neendleko zombane.

2. Inkqubo yokupholisa

Inkqubo yokupholisa esebenzayo ibalulekile ekuqinisekiseni ukuguquguquka kwamandla kunye nomjikelo womsebenzi wesixhobo.

• Imfuneko ephambili: Umatshini kufuneka uxhotyiswe{0}}ngokuhamba okuphezulu,{1}}okuphezulu{1}}inkqubo yokupholisa okujikeleza kwamanzi entloko ukupholisa ngokwaneleyo iimodyuli ze-IGBT, i-transformer, kunye neengcebiso ze-electrode [14].
• Umgangatho: Ubushushu bamanzi okupholisa kufuneka balawulwe ngokungqongqo ukuya ngaphantsi okanye ukulingana ne-30℃ukuqinisekisa ukusebenza okuzinzileyo kwexesha elide kunye nobomi benkonzo yeemodyuli zamandla kunye ne-electrode.

Ingcebiso yokuThenga: Jonga ngononophelo uluhlu lwamandla ombane wesixhobo kunye noyilo lwenkqubo yokupholisa. Kwiindawo ezinobushushu obuphezulu be-ambient okanye umgangatho ongazinzanga wegridi, khetha iimodeli ezinobushushu obuzimeleyo{1}itanki yamanzi elawulwayo kunye nemisebenzi ekrelekrele yokujonga ukuhamba. Qaphela: E-Indiya, unikezelo lwamandla kwimizi-mveliso ngokuqhelekileyo luyi-415V, i-3-phase, 50Hz, ngoko qinisekisa ukuba umatshini ulinganiswe le mbane okanye unomguquli ofanelekileyo / ukuguquguquka.

Kwimo exhaphakileyo yobuninzi-eyahlukeneyo, encinci-imveliso yebhetshi, ukuguquguquka kwesixhobo se-welder kunye nokuguquguquka kwenkqubo yingqwalasela ebalulekileyo.

1. Uluhlu lwezinto ezisebenzayo

Abashiseli bamabala beMFDC banikezela ngolungelelwaniso olugqwesileyo kwizinto ezahlukeneyo ezicela umngeni [5]:

• Advanced High{0}}Intsimbi yamandla (AHSS/UHSS): Ulawulo oluchanekileyo lwegalelo lobushushu luthintela ukuthambekela kokuqina, ukunciphisa ukubunjwa kwezakhiwo ezinzima kunye nokuqhekeka [1].
• I-Aluminiyam iAluminiyam:{0}}izinto ezixhathisayo ezisezantsi zifuna ngokugqithisileyo okomzuzwana, apho abashiseli beMFDC banokuzisa ngokuzinzileyo.
• Intsimbi yeGalvanized: Imveliso ye-DC yandisa kakhulu ubomi be-electrode, inciphisa ukutsha kwe-coating{0}}, kwaye iphucula umgangatho wobuhle bendawo ye-weld.

2. Inkqubo Database kunye Programmability

Iiwelding zangoku ze-MFDC kufuneka zibonise uvimba wenkqubo ovulekileyo notyebileyo, ovumela abasebenzisi ukuba bagcine kwaye bakhumbule iiparitha zokuwelda ezenzelwe imathiriyeli ezahlukeneyo kunye neendibaniselwano zobunzima.

• I-Scalability: Qwalasela ukuba ngaba isixhobo sine-scalability elungileyo kunye ne-interfaces zonxibelelwano (ezifana ne-EtherCAT, i-ProfiNet, okanye iiprothokholi eziqhelekileyo zemizi-mveliso eziqhelekileyo e-Indiya) ukudibanisa kwixesha elizayo kwimigca ye-automated ye-welding okanye i-robotic workstations [3].

Ingcebiso yokuFumana: Soloko uqhuba uvavanyo lwesampulu usebenzisa eyona nto inzima-uku{1}}ukudibanisa imathiriyeli kwimveliso yakho yokwenyani. Kwakhona, qinisekisa ukuba isixhobo soMntu-soNxibelelwano loMtshini (HMI) sixhasa -ukugcinwa kweparamitha kunye nokutshintsha ngokukhawuleza.

I-HMI egqwesileyo kunye nomsebenzi wokubeka iliso kwidatha sisiseko sokuphucula ukusebenza kakuhle, ukwenza ukulandeleka komgangatho, kunye nokuphumeza ukuveliswa ngobuchule.

1. UYilo loMsebenzi woMsebenzi{1}}loMntu (HMI)

• Imfuneko: Ujongano kufuneka lucace kwaye lubenengqiqo, lusebenzisa -ubungakanani beLCD bescreen sokuchukumisa esikhulu esinengqiqo yokusebenza elula. Kufuneka ikwazi ukubonisa{2}}ixesha lokwenyani iigrafu zeparameters ezingundoqo njengewelding yangoku, umbane, uxinzelelo, kunye nexesha.
• I-advanteji: Umboniso wamaza obonakalayo unceda abaqhubi kunye neenjineli ngokukhawuleza ukufumanisa iziphene ze-welding, ukunciphisa impazamo yabantu.

2. Ukubekwa esweni koMgangatho kunye nokuLandelwa kweDatha

-Isiphelo esiphezulu se-MFDC abashiseli bamabala kufuneka babonise{1}ixesha lokwenyani lokujongwa komgangatho weweld, njengale:

• I-SPC (uLawulo lweNkqubo yoBalo) Umsebenzi: Urekhoda ngokuzenzekelayo iiparamitha kwindawo nganye ye-weld kwaye yenza uhlalutyo lwamanani.
• Ukugcinwa kwedatha kunye nokuThunyela ngaphandle: Ukukwazi ukugcina idatha ye-welding ngaphakathi okanye ukuyithumela ngaphandle kwenethiwekhi ukuphumeza ukulandeleka kwendawo nganye ye-weld ibalulekile kumashishini afana neemoto kunye ne-aerospace.

Ingcebiso yokuThenga izinto: Vavanya ujongano lwedatha yesixhobo kunye nomthamo wokugcina. Iwelder enedatha ebanzi yokuloga kunye nemisebenzi yokulandelelwa sisixhobo esibalulekileyo sokuphumeza i-Industry 4.0 kunye nolawulo lwefektri ehlakaniphile.

Ukuthenga i-MFDC spot welder kulutyalo-mali olubalulekileyo-lexesha elide. Sicebisa ukuba utshintshe ugxininiso lwakho ukusuka kukhuphiswano lwexabiso ukuya kwintsebenzo iyonke, uzinzo, kunye neendleko zokusebenza zexesha elide-.

Ukukhetha iMFDC indawo yokuweldangokusebenza okugqwesileyo kunye nokusebenza ngokulula akuyi kuphucula kakhulu umgangatho wakho we-weld kwaye yehlise-indleko zokuyigcina ixesha elide kodwa ikwasebenza njengesiqinisekiso esiqinileyo sokugcina umda wetekhnoloji kukhuphiswano lwemalike.

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