Zeziphi iingxaki ezixhaphakileyo ngee-spot welders?

Kwimveliso yanamhlanje,amabala abawelderzisetyenziswa kakhulu ngenxa yemveliso yazo ephezulu, ukusebenza kakuhle kwamandla, kunye nokufaneleka kokuzenzekela kunye{0}}nokuveliswa kwevolyum ephezulu. Badlala indima ebalulekileyo kumashishini afana nokuvelisa iimoto, ukudibanisa ibhetri, ukwenziwa kwamaphepha esinyithi, kunye nokuveliswa kwezixhobo zombane. Ngaphandle kokuvuthwa kobuchwepheshe be-welding, imiba yomgangatho isenokuthi yenzeke ngexesha lokusebenza, ekhokelela kwiziphene ze-weld ezichaphazela amandla okuhlangana, inkangeleko, kunye nokuthembeka kwexesha elide{3}}.

Ukuqonda okucwangcisiweyo kweziphene zeweld kwiindawo zokuwelda{0}}kuquka ukuba zichongwe njani, kutheni zisenzeka, kunye nendlela yokuzithomalalisa ngolawulo lwenkqubo{1}}ibalulekile ekuphumezeni umgangatho ongaguqukiyo welding kunye nokusebenza okuzinzileyo kwemveliso.

• Iziphene eziveliswa ngamabala okuwelda ziwela ngokweendidi ezimbini: iziphene zangaphandle ezibonakala kumphezulu wedibano edityanisiweyo, kunye neziphene zangaphakathi ezikhoyo kwi-weld nugget okanye ubushushu{0}ummandla ochaphazelekayo. Imiba yomphezulu -enje nge-spatter, ukujongwa ngokugqithisileyo, okanye ukutshisa{3}} ngapha koko kunokuchongwa ngokuhlola okubonwayo. Iziphene zangaphakathi{5}}kuquka ukungonelanga ukudityaniswa, iintanda, kunye ne-porosity{6}}azibonakali ngokukhawuleza kodwa zinokubeka esichengeni ngokubalulekileyo imfezeko.
• Kwimveliso yemizi-mveliso, ukuvavanywa komgangatho we-weld akufuneki kuxhomekeke kuphela kwimbonakalo yomphezulu. Ukusetyenziswa okubandakanya ulwakhiwo okanye ukhuseleko{1}}amacandelo abalulekileyo, uhlolo olubonakalayo kufuneka longezwe ngovavanyo lomatshini, uhlalutyo -loluhlu olunqamlezayo, okanye{3}}iindlela zokuhlola ezonakalisayo ezifana novavanyo lwe-ultrasonic okanye i-X{4}}reyi. Le ndlela yovavanyo - yolwaleko oluninzi ibonelela ngovavanyo oluthembeke ngakumbi lomsebenzi we-spot welder.

Ukudibanisa okungonelanga kwenzeka xa i-spot welder isilela ukuvelisa i-weld nugget yobungakanani obaneleyo okanye ukuqhubeka. Kwiimeko ezinjalo, ukunyanzeliswa komphezulu kunokubonakala kwamkelekile, kodwa ukudibanisa kwahlula ngokulula phantsi komthwalo womatshini, kaninzi ngaphandle kokungaphumeleli kwezinto ezisisiseko.

Esi siphene siqhele ukubangelwa kukungonelanga kwe-welding okwangoku, ixesha elifutshane le-weld, ukungonelanga kwamandla e-electrode, okanye ukunxibelelana kombane okungazinzanga. Ungcoliseko lomphezulu{1}}olufana neeoksidi, i-oyile, okanye iiayilethi ezingalinganiyo{2}}zinokunqanda ngakumbi ukuveliswa kobushushu kujongano lwefaying.

Iingcebiso eziSebenzayo:

• Lungisa okwangoku, ixesha le-weld, kunye namandla e-electrode ukuqinisekisa igalelo elaneleyo lobushushu.
• Gcina izinto ezicocekileyo nezingaguquguqukiyo phambi kwewelding.
• Faka iishedyuli ze-welding eziphuhliswe ngokukodwa kwizinto ezigqunyiweyo okanye ezicwecwe.

Isitshizi esigqithisileyo sibhekisa ekugxothweni okungalawulwayo kwesinyithi esinyibilikisiweyo ngexesha lokusebenza kwesixhobo sokuwelda. Ngelixa isitshizi esincinci sinokuthi singenzi buthathaka ngokukhawuleza i-weld, isitshizi esigqithileyo sinciphisa ukungaguquguquki kwe-weld, sithobe umgangatho womphezulu, kwaye sikhawulezise ukunxiba kwe-electrode.

Lo mbandela udla ngokunxulunyaniswa nencopho yangoku egqithisileyo, ukuhanjiswa kwamandla okukhawulezayo, ii-electrode ezigugileyo, okanye uqhagamshelwano olungazinzanga lwe-electrode.

Iingcebiso eziSebenzayo:

• Lungiselela iiprofayili zangoku ukunqanda i-spikes yamandla ngequbuliso.
• Gqoka rhoqo okanye utshintshe iingcebiso ze-electrode ukugcina iimeko zoqhagamshelwano ezihambelanayo.
• Qinisekisa ukubamba ngokufanelekileyo kunye nokulungelelaniswa kwezinto zokusebenza.

Ukunyibilika komphezulu okanye ukutshisa{0}}ngokwenzeka xa ibala lokuwelda lizisa ubushushu obugqithisileyo kumsebenzi wokusetyenzwa, okukhokelela kuguquko oluqatha lomphezulu okanye ukugqobhozwa okupheleleyo kwemathiriyeli. Esi siphene sixhaphake kakhulu xa udibanisa amashiti amancinci okanye izinto ezinomgangatho ophezulu we-thermal conductivity, ezifana ne-aluminium okanye i-alloys zethusi.

Izinto ezinegalelo ziquka ukugqithisa ngoku, ixesha le-weld elongeziweyo, i-electrode encinci ye-tip diameter, kunye nokungonelanga kokupholisa kwe-electrode.

Iingcebiso eziSebenzayo:

• Tshatisa iiparitha ze-welding kubukhulu bezinto kunye neempawu ezishushu.
• Sebenzisa iingcebiso zobungakanani obufanelekileyo be-electrode ukuze usasaze ubushushu ngokulinganayo.
• Gcina ukupholisa kwe-electrode okusebenzayo ukunciphisa ukuqokelelwa kwe-thermal.

I-Electrode indentation sisiphumo esiqhelekileyo samandla omatshini asetyenziswa ngabashicileli bamabala. Nangona kunjalo, ukufakwa ngokugqithisileyo kunokuchaphazela kakubi inkangeleko yomphezulu, ukwazisa amanqaku oxinzelelo, kunye nokunciphisa ukuqina okudibeneyo.

Le meko idla ngokubangelwa ngamandla amaninzi e-electrode, ukunciphisa indawo yokudibanisa ngenxa yokugqoka i-electrode, okanye ukuthambisa kwendawo yezinto ezisisiseko.

Iingcebiso eziSebenzayo:

• Lungisa amandla e-electrode ukuze alungele amandla ezinto kunye nobukhulu.
• Ukubeka iliso kwijiyometri yengcebiso ye-electrode kwaye ugcine indawo yoqhagamshelwano engaguqukiyo.
• Thintela ubushushu obugqithisileyo ngokupholisa okufanelekileyo kunye nolawulo lweparamitha.

Ukuqhekeka sesinye seziphene ezibaluleke kakhulu ezinxulumene neendawo zokuwelda. Iintanda zisenokwakheka ngaphakathi kwi-weld nugget, ecaleni komda we-weld, okanye kwindawo echatshazelwe bubushushu{1}, inciphisa ngokubonakalayo ubomi bokudinwa kunye nobulungisa bolwakhiwo.

Iintanda zihlala zibangelwa kuxinzelelo oluphezulu lwe-thermal, ukupholisa ngokukhawuleza, ukungahambelani kwe-metallurgical, okanye ukuthintela ngokugqithiseleyo komatshini ngexesha le-welding.

Iingcebiso eziSebenzayo:

• Lawula imijikelo ye-thermal, ngakumbi xa udiza iintsimbi zekhabhoni -eziphezulu okanye izinto ezifanayo.
• Kuphephe ukuwelda ngokugqithisileyo okwangoku kunye notshintsho lweparameter ngokukhawuleza.
• Qinisekisa ukulungiswa okuzinzileyo ukunciphisa uxinzelelo olushiyekileyo ngexesha lokuqina.

I-Porosity kunye nokuncipha{0}}iziphene ezinxulumeneyo zenzeka xa irhasi ivaleleka kwi weld etyhidiweyo okanye xa ukucutheka komthamo ngexesha lokuqiniswa kubangela i-voids yangaphakathi. Nangona ezi ziphene zisenokungabangeli ukusilela kwangoko, zehlisa kakhulu- ukuthembeka kwexesha elide kunye nokumelana nokudinwa.

Izizathu eziqhelekileyo ziquka ukungcoliseka komhlaba, ukufuma, igalelo lamandla elingazinzanga, kunye neeshedyuli ezingafanelekanga ze-welding.

Iingcebiso eziSebenzayo:

• Qinisekisa ukuba iindawo zokusebenza zicocekile kwaye zomile.
• Sebenzisa i-spot welders kunye nemveliso yamandla ezinzileyo kunye nolawulo lwamandla oluchanekileyo.
• Gcina indawo elawulwayo ye-welding ukunciphisa ungcoliseko.

• Iziphene ze-weld kwi-spot welders azifane zibangelwa yinto enye. Endaweni yoko, zidla ngokubakho ngenxa yentsebenziswano yeeparamitha zombane, ulawulo lwamandla oomatshini, imeko ye-electrode, iipropathi zezinto eziphathekayo, kunye nokungaguquguquki kokusebenza. Imijikelezo eyandisiweyo yemveliso, ukunxitywa kwe-electrode, ukuqokelelwa kwe-thermal, kunye nokuguquguquka kwamandla kunokuthoba kancinci umgangatho we-weld ukuba ayilawulwa kakuhle.
• Ukuphumeza isicwangciso esicwangcisiweyo solawulo lomgangatho{0}kuquka ugcino lothintelo, ulawulo lwe-electrode lifecycle, iinkqubo zokusebenza ezisemgangathweni, kunye noqeqesho lwabaqhubi{1}}lubalulekile ekugcineni ukusebenza okungaguqukiyo ukusuka kubadibanisi be-spot.

Ukunciphisa iziphene kunye nokuphucula ukungaguquguquki kwe-welding, ezi ndlela zilandelayo zibalaseleyo ziyacetyiswa:

1.Ukugcinwa kweZixhobo

• Ukuhlolwa rhoqo kwezibonelelo zombane, iinkqubo zokulawula, iindlela zokuvula, kunye neesekethe zokupholisa ziqinisekisa ukusebenza okuzinzileyo kwe-welder spot.

2.Ulawulo lwe-Electrode

• Chaza ukugqoka i-electrode kunye nekhefu lokutshintshwa ngokusekelwe kwiimeko zangempela zokugqoka kunye nomthamo wemveliso.

3.Umgangatho weParameter

• Ukuseka iishedyuli ze-welding eziqinisekisiweyo zezixhobo ezithile, ubukhulu, kunye nolungelelwaniso oludibeneyo.

4.Ukuhambelana kokuSebenza

• Ukulungelelanisa ukulungiswa, ukulungelelaniswa, kunye nokulandelelana kwe-welding ukunciphisa ukuhluka okubangelwa ukungenelela ngesandla.

5.Inkqubo yokuHlola kunye nokulandelelwa

• Sebenzisa ixesha lokwenyani{0}}lokuhlola ixesha langoku, umbane, kunye nobude be-weld ukubona ukunxaxha kwangoko kunye nokuxhasa ukuphuculwa okuqhubekayo.

Ukuqukumbela

Iziphene ezinxulunyaniswa ne-spot welders zixhaphakile kodwa ziyalawuleka xa zisonjululwa ngendlela ecwangcisiweyo, yobunjineli{0}esekelwe kwindlela. Ngokuchonga ngokuchanekileyo iintlobo zesiphene, ukuqonda oonobangela bazo, kunye nokusetyenziswa kwenkqubo ekujoliswe kuyo, abavelisi banokuphucula kakhulu ukuhambelana kwe-weld, imfezeko yesakhiwo, kunye nokuthembeka kwemveliso.

Kwiindawo ezikhuphisanayo zokwenziwa kwemveliso, ulawulo olukhawulezileyo lwentsebenzo ye-spot welder ayingomlinganiselo nje wokulungisa{0}}lucebo oluluncedo oluxhasa ngokuthe ngqo umgangatho wemveliso, ukhuseleko, kunye{1}}nexesha elide ukusebenza kakuhle.

Qhagamshelana ngoku