Ukugqwesa kwiMid-Frequency Direct Current Spot Welding

I-Mid-frequency ngqo yangoku ye-spot welding yinkqubo ye-welding esebenza kakhulu kwaye eguquguqukayo ebonelela ngobuninzi beenzuzo kwizicelo ezahlukeneyo zemizi-mveliso. Kweli nqaku, siza kuphonononga iimpawu ezikhethekileyo kunye neenzuzo zobu buchule be-welding.

I-Mid-frequency current ngqo (MFDC) indawo yokuwelda ifumene ukuqondwa ngokubanzi kwishishini lemveliso ngenxa yokusebenza kwayo kwewelding ephezulu kunye neenzuzo ezininzi. Obu buchwephesha bubonakaliswa kusetyenziso lwayo lwangoku ngokuthe ngqo (DC) kuluhlu oluphakathi lwamaza, ngokuqhelekileyo phakathi kwe-1000 Hz kunye ne-100,000 Hz. Le ndlela echanekileyo kunye nelawulwayo ye-welding inikezela ngeempawu ezininzi eziphawulekayo.

1. Ukuchaneka kunye noLawulo

Amandla aphambili e-MFDC welding spot kukuchaneka kwayo okukhethekileyo kunye nolawulo. Ngokusebenzisa i-DC kwi-middle-range frequencies, abashiseli banokufikelela kwiziphumo ezichanekileyo nezingaguqukiyo. Oku kuchaneka kunenzuzo ngakumbi xa usebenza ngezinto ezincinci okanye izinto eziyinkimbinkimbi, njengoko kunciphisa umngcipheko womonakalo kwaye iqinisekisa i-weld ephezulu.

2. Indawo eNcitshiswe bubushushu (HAZ)

Ukuwelda indawo ye-MFDC kuvelisa ubushushu obuncinci ngexesha lenkqubo ye-welding xa kuthelekiswa neendlela zemveli zokuwelda. Oku kubangela ukuba indawo encinci echaphazeleke bubushushu (HAZ), ebaluleke kakhulu ekugcineni imfezeko yezinto ezisisiseko. I-HAZ encitshisiweyo inciphisa ukugqwetheka kunye nomngcipheko weenguqu ze-metallurgical, iyenza ibe lukhetho olufanelekileyo lwezicelo apho amandla kunye neepropati kufuneka zigcinwe.

3. Ukusebenza kakuhle kwamandla

I-welding ye-Mid-frequency welding inamandla ngokuphawulekayo. Ukusetyenziswa kombane we-AC we-high-frequency kwi-MFDC welding systems ivumela ulawulo oluchanekileyo kwigalelo lamandla. Oku akunciphisi ukusetyenziswa kwamandla kuphela kodwa kunegalelo ekongeni iindleko ekuhambeni kwexesha.

4. Imijikelo yokuWelding ngokukhawuleza

Ukuwelda indawo ye-MFDC yaziwa ngemijikelo yayo yokuwelda ekhawulezayo. Ubume be-high-frequency yangoku buvumela ukunyibilika okukhawulezayo kunye nokuqina kwe-weld pool, okukhokelela kumaxesha okuvelisa ngokukhawuleza. Oku kuyinzuzo ebalulekileyo kwiindawo zokuvelisa umthamo ophezulu.

5. Ukuguquguquka

Iinkqubo zokuwelda ze-MFDC zilungelelaniswa kakhulu kwaye zinokulungiswa ukuze zihambelane nezicelo ezahlukeneyo zokuwelda. Bayakwazi ukuwelda uluhlu olubanzi lwemathiriyeli, kubandakanywa indibaniselwano eyahlukeneyo yesinyithi, kwaye inokwamkela ubuninzi bezinto ezahlukeneyo. Oku kuguquguquka kwenza i-MFDC iwelding ilungele uthotho lwamashishini ahlukeneyo, ukusuka kwimveliso yeemoto ukuya kwimveliso yombane.

6. Umgangatho kunye nokuhambelana

Ukungaguquguquki kubalulekile kwimveliso, kwaye ukuwelda kwe-MFDC kuyagqwesa kulo mba. Ulawulo oluchanekileyo kwiiparamitha ze-welding luqinisekisa i-welds efanayo kuyo yonke inkqubo yokuvelisa, ukunciphisa imfuno yokuphinda kusebenze kunye nokuphucula umgangatho opheleleyo wemveliso egqityiweyo.

I-Mid-frequency ngqo yangoku ye-welding yendawo ivelele njengokhetho olubalaseleyo kwiintlobo ezahlukeneyo zezicelo ze-welding ngenxa yokuchaneka kwayo, ulawulo, ukusebenza kakuhle kwamandla, kunye nokuguquguquka. Ukukwazi ukuvelisa i-welds ezikumgangatho ophezulu kunye neendawo ezincinci ezichaphazelekayo ukushisa kwenza kube yinto ekhethiweyo kumashishini afuna ukusebenza kunye nokuhambelana. Njengoko ubuchwephesha buqhubela phambili, ukuwelda amabala e-MFDC kusenokwenzeka ukuba kuhlale kulilitye lembombo kwimveliso yale mihla, kube negalelo ekwandeni kobuchule kunye nokonga iindleko.